An apparatus for containing sports equipment includes: a wall defining an enclosure and a closeable opening in the enclosure, the wall being see-through at the closeable opening; and divider members configurable to an expanded configuration defining compartments within the enclosure and configurable to a substantially planar collapsed configuration, each compartment being dimensioned for receiving sports equipment, the divider members being removably insertable into the enclosure when in the expanded configuration and in the collapsed configuration. The sports equipment includes soccer balls or other types of balls, marker cones, a first aid kit, cooler for ice and pinnies. A lower section of the apparatus has a see-through front cover and a drain. An upper section may be watertight. The apparatus may include a rigid cylindrical compartment for containing marker cones. A kit may include the apparatus and sports equipment contained within the apparatus.

The invention provides a reading stand. The reading stand may comprising a base portion including at least one base portion sidewall, the base portion sidewall being supported by the base portion; and a platform portion forming a support surface to support the document, the platform portion including at least one page holder to retain the document. The reading stand may further include a side support clip extending from the platform portion such that the base portion sidewall is receivable between the platform portion and the side support clip in an assembled position, the side support clip having a protuberance disposed thereon, the protuberance engageable with the base portion sidewall. The assembled position affords side reading.

An apparatus that includes a suitcase and integrated support arrangements that are transformable from an extended state to provide support for a person to lie down and a stored state for ease of transport.

The present invention is a smart luggage having an outer case and an inner case with a weight determination mechanism therebetween in electrical communication with a circuit having firmware and an exterior electronic display. The circuit further incorporates a GPS locator and a transponder, whereby a user having a mobile device enabled with tracking software may be able to locate and retrieve lost or stolen luggage. Also provided within the smart luggage is a camera that can take one or more pictures when the smart luggage is opened by a person.

The present invention relates to an item of luggage (101) incorporating a collapsed resting support (125) which when erected may be used to support portions of a resting person (55) in a forwards leaning seated position. The item of luggage comprises an external casing (102) that extends across a plurality of sides of the item of luggage, and a personal resting support (125) for supporting a resting seated person's upper torso, the personal resting support being removeably affixable to a side (103) of the casing when not in use for resting support of a seated person. The resting support includes a main supporting section (126) for supporting a seated user's upper torso in a forwards leaning seated position, and at least two supporting legs (117, 118; 146) for supporting the main supporting section and which in use extend downwardly from the main supporting section. The item of luggage (101) comprises at least one ground engaging rolling means (109, 110) by which the item of luggage may be wheeled along the ground when being moved about and a handle (114) by which the item of luggage may be pulled to wheel the item of luggage along the ground. The handle (114) is joined to the casing (102) through one or more of the legs (117, 118) when the personal resting support (125) is affixed to the side (103) of the casing.

The present invention relates to a pocketbook system that allows to easily mix and match how many pocketbooks, other carriers, and/or straps will suffice for that day or evenings' use while this pocketbook system is easy to use and inexpensive to manufacture. More particularly, the pocketbook system has a primary pocketbook for carrying contents, one or more removably attached secondary carrier for carrying contents, a device(s) for removably attaching the secondary carrier(s) to the inside or outside of the primary pocketbook, or for attaching the primary pocketbook and secondary carrier together, and preferably has at least one removable flexible strap(s) and a device(s) for removably attaching the strap(s) to the primary pocketbook and/or secondary carrier. The user makes use of the pocketbook system by attaching, detaching, re-attaching, exchanging, and switching different parts and/or elements to form a suitable pocketbook structure for a particular use at a particular time.

A cover-type containing structure for flexible enclosures primarily includes a front cover sheet, a rear cover sheet and a flexible enclosure. The front cover sheet includes a first joining edge and a cover piece, whereas the rear cover sheet includes a cover assembly corresponding to the cover piece. The flexible enclosure includes a second joining edge and by engaging the first joining edge with the second joining edge, the front cover sheet and the flexible enclosure are fixed. Besides, the containing structure further includes a holding portion. Under a contained state, the holding portion is used to contain smaller objectives; whereas, in an unfolded state, in addition to using the flexible enclosure to contain larger objectives, the holding portion can be also used to contain smaller objectives. The present invention can be also applied to a piece of clothing combined with a bag unit or other flexible enclosure.

A luggage assembly includes a first piece of luggage and a second piece of luggage. An attachment member is affixed to the second piece of luggage. The attachment member couples the second piece of luggage to the first piece of luggage so that the first and second pieces of luggage are self-stabilized while upright and inclined, and while in motion and while stationary.

A self-supporting, rigid, and collapsible reusable bag made from flexible material and having a bottom, two first sidewalls, two second sidewalls, a top opening, and rigid insert. A rigid full-wall board is embedded in each of the two first sidewalls. A rigid insert comprised of at least one pair of sidewalls and bottom with substantially similar dimensions to the second sidewalls and bottom of the bag are placed in the interior and in frictional contact with the second sidewalls and bottom of the bag. The rigid insert sidewalls are held in place with securing devices located on the interior upper corners of the sidewalls of the bag. The bag can be collapsed by moving the rigid insert away from the second sidewalls and bottom to allow the second sidewalls to fold either inward or outward. A full-wall pocket is provided for each first sidewall to receive the full-wall board.

A travel case for elongate items such as skis, golf clubs, snowboards, or the like comprises an elongate bag having a pair of hard sided end sections longitudinally spaced from a hard sided center section. Between each end section and the center section is a respective soft sided intermediate section. The hard sided end and center sections provide protection for the case contents at the vulnerable locations of those contents. The soft sided intermediate sections, made of collapsible and supple material, provide the advantage of reducing the weight of the overall case, and the suppleness permits the end sections to be folded in on the center section when the case is open along its length to educe the length and the required storage space for the case when not in use.

An accessory container for containing baby accessories and for changing a baby's diaper when in proximity to a door includes a container member having a bottom wall with rear, front, and side walls extending upwardly therefrom and defining an interior area. A divider panel is positioned in the interior area of the container member so as to divide the interior area into first and second chambers. The front wall is movable between a closed configuration preventing access to the second chamber and an open configuration allowing access to the second chamber. A length adjustable frame assembly is mounted in the second chamber and is selectively movable between a stowed configuration contained in the second chamber and a deployed configuration extending away from the second chamber. A covering is the frame assembly is configured to support a baby on the frame assembly.

The present invention provides a new and useful apparatus for charging battery powered electronic devices using a rolling means. The rolling means transfers mechanical energy from a plurality of wheels to a generator by way of a gear ratio. The generator in turn yields electrical energy that is later transformed via integrated circuitry into viable power for the purposes of charging an optional internal batter or that of an attached device. This apparatus does not limit the user's mobility and can be used in everyday settings. The apparatus can be an integral part of a piece of luggage or added to an existing hand cart. Additionally, the apparatus can have a connection for a DC input to charge the internal battery when the apparatus is not in motion.

An expandable item carrying device facilitates carrying items such as groceries and the like. The device includes a container having a bottom wall and a perimeter wall coupled to and extending upwardly from a perimeter edge of the bottom wall defining an interior space. A top edge of the perimeter wall defines an opening into the interior space. The perimeter wall has a pair of opposed ends sides and a pair of longitudinal sides extending between the opposed end sides. The longitudinal sides and the bottom wall are compactable along a longitudinal axis of the bottom wall. A primary handle comprises opposed ends coupled to a first one of the longitudinal sides of the perimeter wall.

An apparatus and method for forming a self-stabilized luggage assembly is disclosed. In one embodiment the method includes coupling a first piece of luggage in contact with a second piece of luggage using an adjustable stabilizer configured to couple a handle on the first piece of luggage to a handle on the second piece of luggage while wheels on the bottom of the first and second pieces of luggage remain on the ground when the first and second pieces of luggage are tilted, upright, moving, and stationary. Other embodiments are described and claimed.

Disclosed herein is an inertial sensor control module. The inertial sensor control module according to a preferred embodiment of the present invention includes: an inertial sensor including a driving mass, a driving unit driving the driving mass of the inertial sensor according to a control signal to the inertial sensor, a control unit connected to the driving unit and generating the control signal to transfer the generated control signal to the driving unit, and a sensing unit connected between the inertial sensor and the control unit and detecting information about whether the driving mass of the inertial sensor is in a stabilized state or information about an inertial force of the inertial sensor to transfer the detected information to the outside or the control unit.

An electronic device includes a base body, a functional element that is placed on the base body, and a lid body, formed from silicon, that is placed over the base body so as to cover the functional element. A hole portion and a sealing member that closes the hole portion are disposed in the lid body, in the hole portion, the area of a second opening disposed on a side opposite to a first opening is larger than the area of the first opening disposed on the base body side, and the ratio of the volume of the sealing member to the volume of the hole portion is equal to or higher than 35% and is equal to or lower than 87%.

Disclosed herein is an angular velocity sensor including: first and second mass bodies; a first frame provided at an outer side of the first and second mass bodies; a first flexible part connecting the first and second mass bodies to the first frame in a Y axis direction, respectively; a second flexible part connecting the first and second mass bodies to the first frame in an X axis direction, respectively; a second frame provided at an outer side of the first frame; a third flexible part connecting the first and second frames to each other in the X axis direction; and a fourth flexible part connecting the first and second frames to each other in the Y axis direction, wherein the first frame has a thickness in a Z axis direction thinner than that of the second frame.

Disclosed herein is a method of setting valid output sections of a 3-axis acceleration sensor mounted within a tire of a vehicle, including setting an output signal of the 3-axis acceleration sensor in the z-axis direction as a reference signal, setting a specific section of the output signal in the z-axis direction as a valid section where a part of the tire where the 3-axis acceleration sensor is mounted contacts a road surface, and setting sections of output signals of the 3-axis acceleration sensor in the x-axis and y-axis directions corresponding to the valid section in the z-axis direction as valid sections in the x-axis and y-axis directions. The method sets precise valid sections applied to detect information between the tire and a ground surface so as to minimize a component of a noise section by connecting output signals in the x-axis, y-axis and z-axis directions.

A micromechanical component is described having a substrate which has at least one stator electrode fixedly mounted with respect to the substrate, a movable mass having at least one actuator electrode fixedly mounted with respect to the movable mass, and at least one spring via which the movable mass is displaceable. The movable mass is structured from the substrate with the aid of at least one separating trench, at least one outer stator electrode spans at least one section of the at least one separating trench and/or of the movable mass, the at least one actuator electrode protrudes between the at least one outer stator electrode and the substrate, and at least one inner stator electrode protrudes between the at least one actuator electrode and the substrate. A related manufacturing method is also described for a micromechanical component.

An apparatus and a method for determining a damage state of a wheel bearing (12), in which a wheel (15) with a tire (9) arranged on a rim (8) in such a manner that the wheel can be rotated on an axle, in a motor vehicle, in particular during maintenance work on the motor vehicle. In order to avoid the wheel bearing (12) being accessed unnecessarily, a sensor unit (1) which communicates with an evaluation unit and is removably fastened radially outside a screw circle (11) of the rim (8) is provided for the purpose of determining the damage state.

A testing method using a guided wave generates a guided wave to propagate through a subject as a testing target in a longitudinal direction of the subject, detects a reflected wave of the guided wave and examines the subject on the basis of the reflected wave. The testing method includes the steps of (A) obtaining data for defect amount estimation beforehand indicating a relationship between a defect amount of the subject and a magnitude of a reflected wave, (B) generating a guided wave so as to propagate through the subject, and detecting a reflected wave of the guided wave, and (C) estimating a defect amount of the subject on the basis of the data for defect amount estimation obtained at (A) and the magnitude of the guided wave detected at (B).

The present invention employs a photoacoustic measuring apparatus including: a laser light source; a forming unit for forming a second light beam by dividing or deforming a laser light beam; an optical member for guiding the second light beam to the surface of a subject; a probe for obtaining a photoacoustic wave generated when the subject is irradiated with the second light beam; and a buffering member that contacts the surface of the subject and transmits light, wherein the optical member overlaps areas of the second light beam having a small light intensity on the surface of the subject, the probe and the optical member are positioned on an identical side of the buffering member relative to the subject, and the optical member refracts the second light beam such that the second light beam enters the subject through the buffering member while avoiding the probe.

One embodiment of the invention provides a system for identifying an anomalous movement of a reciprocating element in a reciprocating device, the system comprising: at least one sensing device for sensing a vibration signal of the reciprocating element; a processing apparatus for separating the vibration signal into a first component having a first frequency range and a second component having a second frequency range different than the first frequency range; and a device for at least one of analyzing or displaying at least one of the first or the second components of the vibration signal, wherein the vibration signal includes positional data of the reciprocating element along at least one axis of the reciprocating element.

A method, apparatus and system for testing the self-sealing properties of a concrete sample. The method may include providing an apparatus for creating a consistent and reproducible crack in a concrete sample and creating a consistent and reproducible crack in the concrete sample with the apparatus. The method may further include providing a fluidic delivery system that provides a consistent flow of fluid for testing the self-sealing properties of the concrete sample and testing the self-sealing properties of the concrete sample with the system.

The invention relates to a method for determining the fatigue capital of a cable supporting a civil engineering structure, the method including: a measuring step (S1, S2) during which the normal tensile stress in the cable and the bending stress in the cable are measured in a synchronized manner so as to obtain the compound stress in the cable; a counting step (S3) during which a count of the number of stress cycles, depending on the amplitude of the stress, is carried out from the measured compound stresses; and a step (S4) of assessing the fatigue capital of the cable during which the fatigue capital of the cable is determined by comparing the count, carried out in the counting step, with a pre-set Wohler curve for the cable.

A compression fitting includes a housing, a compressible seal, a follower and a driving member. The housing includes an axial cavity having a lateral sidewall that includes an axial keyway therein. The cavity terminates at a first end portion thereof at a seat. The compressible seal may receive a signal transmitting lead therethrough, and is disposed within the cavity and seated on the seat. The follower is axially movable within the cavity for selective engagement with the seal for axially compressing the seal against the seat, the sidewall of the cavity and the signal transmitting lead. The follower includes an integral key that extends laterally outward therefrom and is received within the keyway, and an axial bore for accommodation therewithin of the lead. The driving member is rotatably mounted on the housing and engageable with the follower such that rotation of the driving member causes an axial translation thereof.

An integrated circuit includes a pulse generator to provide an excitation pulse to an output terminal and a comparator to receive a signal in response to the excitation pulse and for comparing the signal to a threshold to produce a comparator output signal corresponding to oscillations in the signal. The integrated circuit further includes a counter to count pulses in the comparator output signal and a discriminator circuit to compare a count value of the counter to a damping threshold and for providing an output signal having a first value when the count value is equal to or exceeds the damping threshold and otherwise having a second value.

Apparatus configured detect a physical quantity, for example a density, of a flowing fluid, the apparatus including: a sensor body (2) configured to extend into the flowing fluid, the sensor body comprising a fiber Bragg grating (FBG) of a fiber Bragg grating sensor (3, 7, FBG), for generating a detector signal relating to vibration of at least part (2B) of the sensor body (2); anda processing unit, configured to process the detector signal, and to determine the physical quantity based on detected vibration at a mechanical eigenfrequency of the flexible part (2B) of the sensor body (2).

A kiosk apparatus that may select for a person a recommended footcare product based on pressure measurements collected from pressures sensors or calculated biomechanical data estimates. Pressure measurements and calculated biomechanical data estimates may be used to determine if a foot is unshod on the pressure sensor and also group a person into a classified subgroup. The pressure measurement and calculated biomechanical data estimates may also be used to select a recommended footcare product.

A torque sensor bearing arrangement for a shaft having first and second bearings, each with respective inner ring and outer rings with rolling elements therebetween. The bearings are located at first and second ends of the shaft. First and second sensing rings are connected to the outer rings of the bearings. First and second marking rings are connected to the inner rings, spaced apart from and aligned with the respective first and second sensing rings. The marking rings each have a wavy surface facing the respective sensing ring to form respective first and second sensors from the respective sensing ring—marking ring pairs. The sensors detect a rotational angle position of the shaft and provide a signal. A controller receives signals from the first and second sensors and calculates at least one of torque or an angular speed of the shaft based on signals from the first and second sensors.

A device and method for measuring the clamping force a machine tool exerts on a tool holder that includes a piston or cylinder body defining a bore that slidably receives a piston. A fluid filled pressure chamber is defined between the piston and the body and a pressure gauge carried by the piston communicates with the pressure chamber such that movement in the piston in at least one direction exerts compressive forces on the fluid in the pressure chamber which is communicated to the pressure gauge. A retention knob is coupled to the piston and is engageable by the machine tool such that the clamping force exerted by the machine tool is transmitted to the piston. Hex-shaped structure on the piston that is received by a complementally formed recess in the cylinder body inhibits relative rotation between the piston and the body and facilitates installation and removal of the retention knob. A pin forming part of the piston is engageable by a pin receiving recess in the piston body and ensures a predetermined orientation between a shank portion and the piston body, during assembly.

Methods and devices for inline sampling of a bulk material, such as a powder, are provided. The material's bulk density can be determined from samples drawn using methods and devices described herein. One embodiment of a method of sampling a material allows the material to flow through a sampling compartment, closes off the flow of material below the sampling compartment, builds up a column of material through the sampling compartment, shifts the sampling compartment to remove a slice of material in the column, and places the slice of material into a sample container. A device for sampling a material is provided in another embodiment. The device includes an inlet, an outlet aligned with the inlet, and a sample collector. The sample collector can include at least one through hole and be configured to move such that the at least one through hole can be moved into and out of alignment with the inlet and the outlet.

A control system according to the principles of the present disclosure includes a fuel system diagnostic module and a pump control module. The fuel system diagnostic module performs a diagnostic test on a fuel system when a vacuum pump is switched off to prevent flow through the vacuum pump and thereby seal a portion of the fuel system from an atmosphere. The vacuum pump includes a cam ring, a rotor that rotates within the cam ring, and vanes that slide into and out of slots in the rotor as the rotor rotates. The pump control module switches on the vacuum pump for a predetermined period to force the vanes out of the slots and into contact with the cam ring to seal the vacuum pump before switching off the vacuum pump for the fuel system diagnostic test.

A device for controlling fluid flow pressure and flow rate is disclosed. The device includes a first orifice plate, a second orifice plate housed in a tubular structure. The first orifice plate includes a first orifice of a first diameter (d1) and the first orifice is positioned near an edge of the first orifice plate. The second orifice plate includes a second orifice of a second diameter (d2) and the second orifice is positioned near an edge of the second orifice plate. The tubular structure has an effective diameter (D) comprising the first orifice plate and the second orifice plate placed at perpendicular direction to the fluid flow within the tubular structure, separated by an optimum distance (X).

The invention relates to a temperature sensor comprising: a temperature-sensitive element (3); and a peripheral casing (7) accommodating the temperature-sensitive element (3) and having a closed end (9), the peripheral casing (7) being able to be inserted into a corresponding cavity (11), characterized in that the closed end (9) of the peripheral casing (7) has a peripheral portion (21) revealing, butted against the closed end, a flexible assembly stop (23) after said peripheral portion (21), said stop (23) being able to deform towards the peripheral portion (21) by shape cooperation with the bottom (15) of the corresponding cavity (11). The subject of the invention is also a process for manufacturing a temperature sensor as described above and a method of assembling said sensor.

A manufacturing method for a cap, for a hybrid vertically integrated component having a MEMS component a relatively large cavern volume having a low cavern internal pressure, and a reliable overload protection for the micromechanical structure of the MEMS component. A cap structure is produced in a flat cap substrate in a multistep anisotropic etching, and includes at least one mounting frame having at least one mounting surface and a stop structure, on the cap inner side, having at least one stop surface, the surface of the cap substrate being masked for the multistep anisotropic etching with at least two masking layers made of different materials, and the layouts of the masking layers and the number and duration of the etching steps being selected so that the mounting surface, the stop surface, and the cap inner side are situated at different surface levels of the cap structure.

A parking sensor device has a casing, a front cover, a sensor module and an assembling clamp. The casing has two first hooking elements. The front cover is mounted on the casing. The sensor module is mounted in the casing and the front cover. The assembling clamp detachably engages the casing and has two second hooking elements. The second hooking elements selectively hook the first hooking elements of the casing respectively. The casing and the assembling clamp are engaged quickly with each other, thereby facilitating the easy fabrication of the parking sensor device and improving the convenience of maintenance of the parking sensor device.

Device (10) for vehicle driving evaluation comprising: A means (11) to obtain at least one physical parameter whereby it possible at any time to determine the value of the speed and instantaneous acceleration of a traveling vehicle;A calculation and comparison unit (12) whereby it is possible, from said physical parameter, to calculate an effective parameter that depends on said instantaneous acceleration and to compare said effective parameter with a reference parameter;A driving evaluation unit (13), whereby it is possible to generate a vehicle driving energy score by measuring the variance between said effective parameter and said reference parameter. Corresponding vehicle driving evaluation process.

Devices, methods and systems are disclosed herein to describe a range marker for a navigation system. The range marker may delineate a bounded area within a navigation map that a vehicle may travel based on the amount of fuel remaining. As the fuel continues to decrease during operation of the vehicle, the range marker may become smaller and smaller indicating a shrinking range since the fuel remaining decreases, thereby allowing the driver to easily identify which gas stations may be within a range of the vehicle (based on a current vehicle fuel level) and which gas stations might not be within the range of the vehicle.

A modular system and method for testing and measuring various physical and chemical properties of substances includes a user interface unit having a micro controller, a power source, a display, and an input device; and a sensing module having a sensor probe, a signal conditioner, and a sensor controller. The user interface unit and the sensing modules are in electrical communication with one another such that sensor data generated by the one or more sensor probes, corresponding to one or more properties of the substances, is transmitted to the micro controller of the user interface unit. The user interface unit can be used to remotely view, test, record, and analyze data obtained by the sensing module, which module may be located at a remote location. The user interface unit and the sensing module may be in wired or wireless communication according to various known wired and wireless connection means.

An ultrasonic sensor includes: a substrate; an ultrasonic transducer disposed on the substrate, and configured and arranged to transmit ultrasonic waves that propagate as plane waves in a direction orthogonal to a surface of the substrate; an acoustic refracting part contacting the ultrasonic transducer, and configured and arranged to refract the ultrasonic waves transmitted from the ultrasonic transducer; an elastically deformable elastic portion contacting the acoustic refracting part; and an ultrasonic reflecting member disposed within the elastic portion, and configured and arranged to reflect the ultrasonic waves. The acoustic refracting part is configured and arranged to refract, toward the ultrasonic reflecting member, the ultrasonic waves transmitted from the ultrasonic transducer.

The monitoring apparatus includes vibration sensors that detect vibration accompanying machining, a rotation detector and a rotation detection section that detect rotation of a main spindle, and a stability limit and vibration distribution calculation section that creates, on the basis of vibration information obtained from the vibration sensors and a rotation speed of the main spindle detected by the rotation detector and rotation detection section, both a stability limit diagram illustrating a relationship between the rotation speed and a stability limit of the machining and a vibration distribution diagram illustrating a relationship between the rotation speed and the vibration, and displays the created diagrams on a monitor in a vertical arrangement.

A catamaran type vessel for use in a wastewater facility for servicing submerged air diffusers is disclosed. The vessel has spaced apart pontoon having an A-frame spanning between the upper decks of the pontoon and connecting the pontoons. A hook connected to a winch is secured to a cross header above the space between the pontoons. The hook is lowered into water and lifts an air header, to which the air diffusers are connected. An air diffuser is then pulled on the pontoons and serviced. The vessel is then propelled to a position to service other air diffusers in the pontoon.

A flotation system for a recreational board such as a stand up paddleboard includes an elongated substrate that is sized and shaped to releaseably wrap around the perimeter of a recreational board. The elongated substrate is constructed of a buoyant material such as foam, and defines a plurality of apertures that can be used to store items such as beverages and personal belongings. The elongated substrate is releaseably attached to the board by a variety of fastening means, and serves to increase stability and buoyancy of the board, and to protect the board.

A seating system for marine vessels and watercraft including a chair having a backrest and a seat bottom and a lounge extension element wherein a first end of the extension element is hingeably attached to and extends from the seat bottom and wherein a second end of the extension element is configured to be hingeably attached to a first rigid structure such as a bulkhead on a watercraft. The seating system is convertible between a forward-facing seat configuration and an aft-facing lounger configuration. In the aft-facing lounger configuration, the extension element and the seat bottom are substantially parallel to one another. In the forward-facing seat configuration, the extension element is substantially upright and at an acute angle with respect to said seat bottom.

An apparatus including a fairing having a tail portion and an end portion capable of suppressing a vortex-induced vibration of a tubular. The apparatus further including a stabilizing member attached to the end portion of the fairing, the stabilizing member dimensioned to increase a thickness of the end portion of the fairing and a flange member attached to the stabilizing member, the flange member dimensioned to increase a chord dimension of the fairing so as to improve a stability of the fairing.

A vessel includes a hull and a deck, a substantially cylindrical rotor having a peripheral wall rotatable with respect to the deck around a longitudinal center line, the rotor being at a lower end connected to the deck and including an upper end plate, the rotor being mounted on the deck in such a manner that in an operational state the rotor is substantially vertically oriented and in an inoperational state the upper end plate is situated in the vicinity of the deck, the end plate extending transversely to the longitudinal center line, wherein the end plate is provided with movable edge segments that in the operational state of the rotor extend radially outwardly from the peripheral wall to an extended position and in the inoperational state of the rotor are moved to a retracted position that is situated closer to the peripheral wall than the extended position.

Disclosed is a drillship having a vortex suppression block with a recessed flow stabilizing part in a moon pool. The flow stabilizing section is formed so that a bottom of the vortex suppression block that protrudes from a bottom of a hull toward a stern in the moon pool is recessed in an upward direction of the hull to stabilize a flow in the moon pool and reduce a variation in resistance of the drillship. The flow stabilizing section (30) is formed by partly recessing the bottom of the vortex suppression block toward an upper portion of the hull. The drillship having this configuration provides resistance performance improvement and flow stabilization of the drillship.

A bearing for a sail furling apparatus includes a spherical body having a longitudinal axis and containing a cylindrical longitudinal through-opening for receiving a cable of the furling apparatus. The body is freely rotatable on the cable and protects the furled sail from abrasive contact with the cable. The body contains a plurality of spaced longitudinal channels in the outer surface to define a plurality of spaced flutes to further space the furled sail from the cable and to facilitate smooth furling and unfurling of the sail.

A jet boat including a hull including a keel extending in a fore and aft direction of the jet boat, at least one jet propulsion nozzle mounted to a rear of the hull, and an articulating keel attached at the rear of the hull, the articulating keel arranged to pivot about a pivot axis extending vertically or substantially vertically. A bottom surface of the articulating keel does not extend below a bottom surface of the keel when the articulating keel is parallel or substantially parallel to the fore and aft direction of the jet boat.