Systems and methods for managing a collaborative environment are provided. A plurality of sheets is stored in a collaboration system. The collaboration system tracks user interactions with the plurality of sheets and generates a collaboration graph based on the interactions. The collaboration graph is analyzed to determine similarities between the sheets and/or the users. One or more visualizations are generated based on the collaboration graph and the determined similarities. In some embodiments, the collaboration system is able to provide project management information even for dynamic workflows that are not explicitly defined.

An apparatus, method, and computer program product are disclosed for trigger-based content presentation. A trigger module detects a triggering event. A response module determines a content element to present to a user in response to the triggering event. The content element may include a multimedia element and one or more interactive content elements that are synchronized with the multimedia element such that the one or more interactive content elements are presented at predetermined points during presentation of the multimedia element. A presentation module presents the determined content element on a device of the user.

A method of web-based data visualization includes: a Frontend sending a request over a computer network to a server configured as a Backend; a web server of the second server fetching data responsive to the request; the web server sending a response to the Frontend in a format compatible with a plurality software adaptors located on the Frontend, the response including information about objects to be presented on a web component; logic of the Frontend passing the response to a selected one of the software adaptors; and the selected software adaptor rendering the using a web visualization library associated with selected software adaptor.

An on-demand database system that manages graphical representation in web pages may associate a first graphical representation in a first web page with a first event in a library of events. Each of the events in the library of events may be associated with a function. A second graphical representation in the first web page may also be associated with the first event. Based on detecting a triggering of the first event, the database system may cause a function associated with the first event to execute. The first graphical representation and the second graphical representation may be based on execution of the function associated with the first event.

Data items are aggregated based on information relating to a display capability of a display device, to produce aggregated data. The aggregated data is for display in a visualization presented by the display device. Responsive to user selection in the visualization, dynamically created data at a second hierarchical level different from a first hierarchical level of the aggregated data is for display in the visualization.

A non-transitory computer readable medium storing computer readable instructions that are executable by a computer in an information processing apparatus having a display device is provided. The computer readable instructions, when executed by the computer, cause the computer to determine a format to display at least one setup item, which is required in order to accomplish a predetermined process, in the display device between an icon format, in which the at least one setup item is displayed in a figurative image containing a symbolic figure representing the at least one setup item, and a list format, in which the at least one setup item is displayed in a textual image containing text describing the at least one setup item. The computer readable instructions further cause the computer to control the display device to display the at least one setup item in the determined format.

Various embodiments present a combined visual entity that represents overlapping visual entities. The combined visual entity can include a primary visualization that represents one of the overlapping visual entities and annotations that represent others of the overlapping visual entities. For example, a map view can include multiple geographical entities that overlap. A primary visualization can be rendered that represents one of the multiple geographical entities. The primary visualization can be visually annotated (e.g., with symbols, letters, or other visual indicators) to indicate others of the multiple geographical entities. In some embodiments, a zoom operation can cause visual entities to be added and/or removed from the combined visual entity.

Disclosed are an information processing method and terminal. The method includes: acquiring a first operation (101); in response to the first operation, selecting a plurality of pictures from a local information base or an information base pulled and obtained by a background server, and displaying the same on a user interface of a terminal (102); acquiring a second operation (103); in response to the second operation, partitioning to-be-added first target information into a plurality of items of second target information according to a preset rule, and overlaying the plurality of items of second target information on the plurality of pictures in one batch (104); and forming complete information corresponding to the first target information by the plurality of items of second target information, the second target information being partial information in the first target information (105).

In a computing environment having a multiple input detection system including a detector that detects and transmits multiple simultaneous user inputs from different users at a same time, a method for processing inputs from different users across multiple application windows of one or more applications displayed on a single display of a user interface, resulting in a multi-user graphical user interface (GUI), the computing environment running an operating system (OS) designed to run with a single user GUI, the method including determining, in a primary application, separate from the OS, that a first user input corresponds to a first window and a second user input corresponds to a second window, the primary application sending the first and second user inputs to first and second secondary applications that run in parallel with the primary application, the first and second secondary applications being designed to run with the OS.

An exemplary communication session management system concurrently presents a plurality of session icons within a single on-screen user interface, each session icon representative of a respective communication session and configured to visually indicate a session status of the respective communication session. The communication session management system further detects a user action performed by a user with respect to one of the plurality of session icons, modifies a communication session in response to the user action, and graphically indicates the modification of the session status of the communication session. Corresponding systems and methods are also described.

Disclosed is an apparatus and method for controlling a sound object based on an additional image object. A sound object controlling method includes displaying image objects synchronized with a plurality of sound objects, respectively, on a display; and controlling a sound object synchronized with an image object selected by a user from among the image objects displayed on the display. The sound object includes metadata that includes playback location information of the sound object on a specific space, sound level information of the sound object, and display location information of the image object synchronized with the sound object on the display.

A combination locking arrangement includes a locking member, at least first and second tumbler discs, a dial, and a code change mechanism. When each of the tumbler discs is rotated to an unlocking orientation, the locking member is movable from a locking position to a releasing position. The dial is rotatable about a tumbler disc axis for selective rotation of the at least first and second tumbler discs. The dial includes a clutch rotationally securable in interlocking engagement with the first tumbler disc. The code change mechanism is rotatable to a code change position to separate the clutch from the first tumbler disc, such that the dial is subsequently rotatable to rotate the clutch with respect to the first tumbler disc.

A method of preventing a first door on an over-the-road vehicle from moving from a closed position into an open position. The first door has a first latch assembly that cooperates with a second latch assembly to releasably maintain the first door in its closed position. One of the first and second latch assemblies is maintained in place by at least one fastener extended into a first opening. With the at least one fastener loosened, the first locking assembly is placed on one of: a) one of the doors; or b) the vehicle frame after which a fastener is tightened into the first opening to thereby: i) maintain one of the first and second latch assemblies in place and secure the operatively placed first locking assembly. With the first door in the closed position, a locking device can be connected to the first locking assembly and another part on the vehicle to thereby maintain the first door in the closed position.

Method for monitoring a cargo container in which a transmitter is arranged on the container and periodically transmits messages to a remote site or location according to a schedule of messages. When a message is not received according to the schedule, which may be the result of tampering with the transmitter or another nefarious action involving the container, it may be considered that the container has been stolen. A rate of transmission of the messages may be modified based on a condition of the vehicle, such as the presence of a driver inside the vehicle, a distance between a driver inside the vehicle and the vehicle, the vehicle being at rest after motion of the vehicle stops, a location of the vehicle, biometric identification of a driver of the vehicle and deviation of the vehicle from an expected route, and/or based on current time and weather around the vehicle.

An asset retention device, including: a housing including a base portion and a cap portion, the base portion and the cap portion containing a plurality of electrical contacts; and an asset attachment structure securely coupled to the cap portion and making electrical contact with the plurality of electrical contacts, thereby completing an electrical circuit through the asset attachment structure and the housing; wherein, if the continuity of the asset attachment structure is broken, the electrical circuit is broken. The base portion of the housing is configured to be selectively coupled to a main console including a controller/processor operable for detecting a break in the continuity of the asset attachment structure and the associated electrical circuit. The asset retention device also includes an identifying chip. The asset attachment structure includes a plurality of hooked ends that extend through channels manufactured into an interior portion of the cap portion of the housing.

A hand tool includes a handle and a holding member is connected to the front end of the handle. A first part is connected to one end of the holding member and is connected to a second part connected to the front end of the handle. The first part has a first recess defined transversely therethrough. A second recess and a third recess are respectively in one side of the first part and communicate with the first recess. The second recess is located between the first and third recesses. A control unit has two pins which are movably cooperated with the first, second and the third recesses. The second pin is connected to the first pin. When pushing the first pin toward the second pin, the first part is shifted from the second part so that a blade is inserted into or removed from the first and second parts.

Disclosed is an improved pipe cutting tool based upon a ratchet closure action wherein handles are pivotedly attached to allow successive movement of a cutting blade in response to the squeezing of the handles. The handles are also hingedly coupled to the cutting member to maintain the cutting member in a position perpendicular to the tubular item to be cut while allowing the operator to squeeze the handles at offset angles, up to and including a right angle cut. The hinged handles allow for offset operation without forgoing the ease of operation by the consumer or causing a large reduction in the mechanical advantage. A ratchet allows sequential advancement of a cutting member toward a tubular shaped jaw that holds the item to be cut.

A system for locking a blade of a knife with a folding blade in an unfolded position includes a handle-forming part for a user to grasp, and a blade pivotably mounted relative to this handle-forming part. The blade pivots to adopt either an unfolded position for use, or a foldaway position for storage, wherein it is partially concealed in the handle-forming part. A first locking element on a top of the knife, cooperates with the blade and adopts a first position of locking the blade in the unfolded position and a second release position of the blade A second locking element cooperating with the first locking element, adopts a first position of locking the first locking element in the first locking position of the blade, and a second release position wherein the second locking element forces the first locking element to adopt the second release position of the blade.

A three-sided disposable cutting blade for use within a utility knife. The cutting blade features between three and six distinct cutting portions. The cutting blade may be rotated and flipped such that each cutting portion may be presented from the utility knife as the active cutting portion. Features of the cutting blade include a wear-coat indicator which is located at or near each cutting portion and indicates when a portion has been used; grippable locations on the body of the blade to increase the grippibility of the blade when removing and handling the blade; multiple mounting-hole orientations; and mass-reducing punch-outs which reduce cutting friction of the blade against the object being cut.

Compound action snips includes include first and second handles pivotally connected to each other, and first and second blades. The first handle includes first and second walls arranged opposite to each other. The second wall includes a recess. The first blade is mounted to the first handle. The second blade is mounted to the second handle. A fastener inserts through the first wall, the first blade, and the second wall. A fixing element is received into the recess and threaded onto the fastener, so that a top surface defined on the fixing element is not exposed out of the second wall of the first handle.

A vegetation pruning device includes a cutting element; a guide bar for supporting the cutting element, the guide bar having a guide bar plane, the guide bar being pivotable in the guide bar plane about a fixed axis; a motor having a motor shaft for rotatably driving the cutting element; a motor housing for receiving the motor; a guiding mechanism connected to the motor housing, the guiding mechanism having a longitudinal axis; a handle assembly operable to move linearly along the longitudinal axis; and a transmission device for connecting the handle assembly to the guide bar through, the transmission device converting a linearly movement of the handle assembly to a pivoting movement of the guide bar, the cutting element thereby approaching or withdrawing from a workpiece to be sawn.

A razor comprises a first component comprising a first indicia on a surface of the first component. The razor also comprises a second component configured to rotate relative to the first component about a first axis of rotation, the second component comprising at least one blade and a second indicia on a surface of the second component, the second component configured to rotate relative to the first component about a second axis of rotation, wherein the second axis of rotation and the first axis of rotation are non-coplanar. The second component is in a preloaded neutral position when at rest such that rotation about the second axis of rotation generates a return torque and wherein the first indicia and the second indicia are in alignment at rest and out of alignment when the second component has been rotated about the first axis of rotation.

A hair clipper has a base structural housing with a blade set operably secured thereto. The blade set has a stationary blade and a reciprocating blade. The base has at least one support for a rotary motor. A flexible motor vibration and noise damper fits over half of the motor, and a motor cover is secured to the base structural housing over the vibration damper. A secondary housing cover is secured to the base structural housing over the motor cover.

An oil supply device for a crankcase of an internal combustion engine feeds oil from a reservoir to a main oil duct of the crankcase. A filter switching device allows a selection from a plurality of oil filter units in the flow path of the oil to be selectively connected into the oil flow path, to set a proportion of the oil filter units to active and a proportion of the oil filter units to passive. A switching unit switches between the active and passive states and opens up a pressurized oil flow path to the active oil filter unit(s) and also a drainage flow path between the passive oil filter unit(s) and a drainage duct. An evacuation device drains or evacuates oil from the drainage duct which has accumulated at the passive oil filter unit(s).

A dual-line pump unit for supplying lubricant includes a reservoir having an interior for holding lubricant. A first pump is provided for pumping lubricant from the reservoir through a first main line to a lubricant distribution system. A second pump is provided for pumping lubricant from the reservoir through a second main line to the lubricant distribution system. During a first stage of operation, the first pump operates to pump lubricant from the reservoir through the first main line to the lubricant distribution system and the second pump is idle, the second main line venting back to the reservoir via the second pump. During a second stage of operation, the second pump operates to pump lubricant from the reservoir through the second main line to the lubricant distribution system and the first pump is idle, the first main line venting back to the reservoir via the first pump.

A high-pressure homogenizer including: a fixed body (7) housing a rotating crankshaft (10);a motor (3) for driving the crankshaft (10);a reduction gear unit (4) interconnected between the crankshaft and transmission elements (5, 6), characterized in that the reduction gear unit (4) is an epicyclic reduction gear unit. Preferably there is provided a lubricant feed line (15) which passes through the fixed body and reaches the epicyclic reduction gear unit (4). Preferably the epicyclic reduction gear unit (4) is constructed integrally with the fixed body (4).

The invention relates to a crankshaft comprising at least: a journal; a first crankpin; a second crankpin; a first arm connecting the first crankpin to the journal; a second arm connecting the second crankpin to the journal; a first pipe extending away from the first crank pin toward the journal and leading onto the surface of the first crankpin on the transverse median plane thereof, and substantially passing to the center of the median plane of the second arm; and a second conduit extending away from the second crankpin toward the journal and leading onto the surface of the second crankpin on the transverse median plane thereof, and substantially passing to the center of the median plane of the second arm, characterized in that the shape of the crankshaft is such that it cannot also comprise a diametric pipe within the transverse median plane of the journal fluidly adjoining the first pipe and the second pipe, and the crankshaft comprises a third non-diametric pipe within the transverse median plan of the journal fluidly connecting the first pipe and the second pipe.

A tank includes a tank discharge passageway at least partially within a tank body. A segmented anti-back flow structure is mounted adjacent to the tank body and the tank discharge passageway.

Disclosed is a method for feeding a grease composition for grease-feeding to bearing units comprising 35 to 85 wt. % of fluorine-based grease and 65 to 15 wt. % of fluorine-based organic solvent; the method comprising jetting the grease composition into an inner portion of a bearing unit, such as a bearing for a conveyor chain having a grease-feeding hole, so as to feed the fluorine-based grease in an amount accounting for 10 to 45 volume % of the space volume in the bearing. According to the grease-feeding method, the grease composition for grease-feeding can be effectively applied to a bearing unit having a grease-feeding hole (nipple), thereby can be sufficiently supplied to a lubrication part, and allows grease-feeding without leakage from the bearing unit.

The present invention is directed to lubrication system having a reservoir having a body. A follower is moveably disposed in the body. The system further comprises an alarm system having an electrical switch operably associated with the follower. The alarm generates a signal when the follower is at a predetermined location in the body. The alarm system may generate a signal when the follower is at a lower location in the body such as when the reservoir has an amount of lubricant representing a predetermined amount of usage time remaining. The alarm system may also generate a signal when the follower is at an upper location in the body such as when the reservoir is filled with lubricant wherein the signal acts to automatically interrupt the fill of lubricant.

An oil supplying assembly for a transmission of a vehicle, which may supply oil to a clutch and a pulley of a transmission, may include a base member which is mounted to a transmission main body, and includes a first oil path supplying the oil to the clutch and an oil supply column which is integrally formed to the base member and of which a second oil path for supplying the oil to the pulley is formed thereto.

A shaft assembly includes a gear with a gear bore having a splined bore section adjacent to an oil dam. A shaft includes a first splined end section and a second splined end section, the first splined end section engageable with the splined inner diameter, the shaft having a bore with a bore diameter greater than a diameter of the oil dam, a first set of radial apertures axially inboard of the first splined end section in communication with the shaft inner bore and a second set of radial apertures axially inboard of the second splined end section in communication with the shaft inner bore that altogether provide lubrication of the splined end sections.

A flow restrictor is provided for a lubrication circulation system. The flow restrictor comprises a body configured to obstruct a flow of lubricant within the lubricant circulation system. The body has one or more through holes communicating with upstream and downstream portions of the lubrication circulation system. Each of the one or more holes has a cross-sectional area sufficiently small, and a length sufficiently long, to prevent turbulent lubricant flow therethrough at temperatures below a first predetermined reference temperature. The one or more holes have sufficient aggregate cross-sectional area to allow a desired lubricant flow rate through the body at temperatures at or above a second predetermined reference temperature.

A lubrication system for a gear system for a wind turbine is disclosed. The lubrication system comprises a reservoir adapted to contain lubricant, first pump means arranged to supply lubricant from the reservoir to the gear system via a first fluid connection, and vacuum generating means arranged in fluid connection with the reservoir, thereby maintaining a total air pressure in the reservoir which is lower than an ambient pressure during normal operation. The lowered total air pressure in the reservoir draws lubricant from the gear system into the reservoir, thereby increasing the lubricant level in the reservoir and decreasing the lubricant level in the gear system, allowing the lubrication system to be operated in a ‘dry sump mode’. In the case of an emergency or during start-up the vacuum generating means is stopped, thereby increasing the total air pressure in the reservoir. This causes a decrease in the lubricant level in the reservoir and an increase in the lubricant level in the gear system, allowing the lubrication system to be operated in a ‘wet sump mode’.

A compressor lubrication system including a positive displacement pump, a pressure relief valve assembly, and a divider block. The pressure relief valve assembly includes a housing that has an opening to the fluid distribution system and a relief passage. A conduit is connected from the relief passage to a fluid reservoir. The assembly also includes a pressure relief valve that has an open position in which fluid from the fluid distribution system can enter the relief passage, and a closed position in which fluid is prevented from entering the relief passage. A biasing element maintains a biasing force on the pressure relief valve. The pressure relief valve is maintained in the closed position when the biasing force exceeds the fluid force on the pressure relief valve and the pressure relief valve moves into the open position when the fluid force exceeds the biasing force.

The device is configured for moving a fluid within a gearbox. In one illustrative embodiment, the device includes a base portion coupled to a rotatable member within the gearbox. An inlet portion of the device is configured to draw the fluid from a reservoir portion of the gearbox. The device is configured to utilize a centrifugal force for moving the fluid from the inlet portion toward the base portion along an interior surface of a conical portion. In another illustrative embodiment, the device includes a conical portion having an external threaded portion configured to capture a fluid during a rotation of the device. In such an embodiment, the threaded portion is configured to utilize a centrifugal force for moving the fluid captured by the threaded portion along an exterior surface of the conical portion.

A lubrication structure is provided for supplying lubricating oil to a transmission of an engine. The engine includes a mission holder which includes a power transmission mechanism between a main shaft and a countershaft as a unit and is removably mounted in a mission chamber, and a clutch chamber having a clutch mechanism is provided adjacent the mission chamber for transmitting rotation of a crankshaft to the transmission. Two oil introduction ports are provided on the mission holder, which is between the clutch chamber and the mission chamber. The two oil introduction ports enable the two chambers to communicate with each other. Each of the oil introduction ports has an opening provided therein which opens upwardly on a clutch chamber side of the mission holder.

A lubrication system for a work tool, such as a demolition hammer, on a machine, such as an excavator or a loader. The lubrication system is mounted on drive line fluid connectors of the machine, such as hydraulic or pneumatic hoses. The lubrication system is fully supported by the connectors only and does not require mounting to the machine itself. The lubrication system includes a movable spool powered by the drive fluid of the machine, the spool reciprocating within a sleeve to force lubricant through passages to the work tool.

A lubrication apparatus for lubricating a surface of at least one component of a piece of equipment, which includes a lubrication mist generating unit in which air and a lubricant are combined to form a lubricant mist. A device is included for directly connecting the lubrication mist generating unit to the equipment at a position adjacent the surface to be lubricated.

A lubrication device for a hybrid vehicle power transmission device including a gear member, a first electric motor, and a second electric motor within a transaxle case, the lubrication device includes: a first pipe supplying oil forcibly transferred from an oil pump to the second electric motor; an oil passage branched from the first pipe; a first catch tank supplied with oil from the oil passage; a second pipe connected to the first catch tank to supply oil accumulated in the first catch tank to the first electric motor; an oil flow outlet disposed in the first catch tank and located above the second pipe; and a second catch tank disposed vertically beneath the first catch tank to receive oil outflowing from the oil flow outlet.

An arrangement of an oil pump (8) and its drive in a transmission (1) that has a transmission housing (2) and at least one transmission shaft (3). The oil pump (8) is arranged coaxially with the at least one transmission shaft (3). The oil pump (8) is arranged on and can be driven by the at least one transmission shaft (3).

A method to display a foot ornamentation system includes obtaining a foot ornamentation system that has a bottom band constructed from an elastomeric material for compressing the system snugly against a foot. The system has a first side panel and a second side panel that are flexible for conforming to a contour of a foot side. The system has a decorative member with an interior surface that has a smooth profile and a non-slip surface for interfacing with the foot top surface. The method includes donning the system by expanding an interior open area of the system via the stretchable bottom band then sliding over an end of a foot into a first position where the decorative member is located on a foot top surface. The method includes donning footwear with an open top that allows the system to be displayed.

[Objects] It is an object to provide a foam having a low specific gravity and a small compression set, more preferably a foam having a low specific gravity, a small compression set and uniform quality, a foaming composition, and applications of the foam. [Means for Solution] The foam is obtained by foaming an olefin polymer, wherein the foam has a specific gravity (d) in the range of 0.03 to 0.30, and a compression set (CS, %) and the specific gravity (d) satisfy the formula of CS≦−279×(d)+95. The foam is preferably obtained from a foaming composition that includes an ethylene polymer (A) including a specific ethylene/α-olefin copolymer (A1) and an ethylene/polar monomer copolymer (A2) in a specific mass ratio, and a specific ethylene/C3-20 α-olefin/non-conjugated polyene copolymer (B).

An inner sole board having varying regions of flexibility is provided for use in an article of footwear. The inner sole board may include different materials along its length at different locations that vary its flexibility. An inner sole board is manufactured in an injection molding process requiring only one mold. The process includes a first step of providing a mold, a second step of providing an injection molding assembly, a third step of preparing an injection molding assembly and mold, a fourth step of injecting material into the mold, and a fifth step of establishing the dimensions of a first portion. During the injection molding process, the flow rate of at least one material may be controlled by a nozzle gate to control the shape and size of the flex zone it creates. In this manner, the inner sole board may be customized for a specific sport or individual.

A shoe (1) is disclosed comprising: an insole (1) fixed to the upper (T) and comprising a slot (10) in the heel area and a plurality of holes (11) in the plantar surface area. A ventilation system (2) comprises: a pump (4) disposed in the slot (10) of the insole, a membrane (3) fixed in the lower surface of the insole (1) under the holes (11), a connection pipe (20) connecting the chamber (40) of the pump with the spaces (32) of the membrane and an outlet conduit (21) connecting the chamber of the pump (40) with the outside to exhaust air. An outsole (9) obtained by directly injecting expandable material in a mold covers the ventilation system, insole and lower part of the upper (T). A mold (S) for performing said direct injection is also disclosed.

A smartphone app that causes a smartphone device to actively control a configuration of footwear structural elements located in a footwear sole or removable inner sole insert of a user of the smartphone device, and one or more sensors located in either one or both of the sole or the removable inner sole insert the user's footwear and a sensor including a gyroscope and/or an accelerometer in the smartphone device; and the footwear structural elements being configured for computer control by the smartphone device when the smartphone app is operating on the smartphone device; and wherein instructions of the smartphone app, when executed, cause the smartphone device to, first, process measurement data received from the footwear and smartphone sensors and, second, use the processed measurement data to alter a configuration of the footwear structural elements based on the output from processing measurement data.

Embodiments of the present invention relate to a footwear sole including a midsole and an outsole. The midsole includes of a plurality of protrusions extending downwardly from a bottom surface of the midsole toward the outsole. The outsole may include a plurality of recesses positioned to mate with a corresponding protrusion from the midsole. The outsole may also include one or more protrusion extending downwardly from the bottom of the outsole. The outsole protrusions may correspond with an associated recess of the outsole top surface. The protrusions may be hemispherical in shape at their distal ends so that a portion of the distal end may be received by the corresponding recess of the outsole top surface.

An article of footwear includes a first ball control portion, a second ball control portion and a third ball control portion. Each ball control portion includes a group of gripping members configured to facilitate various types of ball control. Each group of gripping members is arranged so that the ball control portions present a series of approximately continuous edges to a ball, which can help maintain a smooth trajectory for a ball.

A composition comprising a refrigerant and a lubricant is disclosed, wherein the refrigerant comprises (i) a fluorocarbon selected from the group consisting of R125, R134a, R32, R152a, R143a, R218 and mixtures thereof, and (ii) a hydrocarbon selected from the group consisting of propane, n-butane, isobutane, n-pentane, isopentane, dimethyl ether, and mixtures thereof; the lubricant comprises (iii) a hydrocarbon-based lubricant component; and (iv) a synthetic lubricant component; and the synthetic lubricant component is less than 30% by weight of the total lubricant. Also disclosed are methods of replacing refrigerants in refrigeration or air conditioning systems containing a refrigerant comprising a CFC or HCFC and a lubricant. The methods involve adding to the system (a) a replacement refrigerant comprising (i) a fluorocarbon selected from the group consisting of R125, R134a, R152a, R32, R143a, R218 and mixtures thereof, and (ii) a hydrocarbon selected from the group consisting of propane, n-butane, isobutane, n-pentane, isopentane, dimethyl ether, and mixtures thereof; and (b) a synthetic lubricant component; wherein after refrigerant replacement the synthetic lubricant component is less than 30% by weight of the total amount of lubricant in the system.

An air conditioner and control method thereof is provided which may be controlled to adapt operation to changes in power rates. The method may include receiving electric power related information, determining whether a current power rate included in the received information is higher than a preset reference value, determining occupancy of a space to be air conditioned if the current power rate is higher than the preset reference value, and controlling a flow rate of air supplied to the space based on the determined occupancy.