Abstract: It is an object to provide a fluid machine, which is simple in structure and in which lubricating oil containing smaller amount of the working fluid is supplied to sliding portions of an expansion device. The fluid machine has the expansion device for generating a driving force by expansion of the working fluid, which contains the lubricating oil and is heated to a gas phase condition. The fluid machine further has an electric power generating device driven by the driving force of the expansion device and generating electric power. An oil pooling portion is formed in a fluid passage, through which the working fluid discharged from the expansion device flows, such that the lubricating oil contained in the working fluid is brought into contact with at least one of sliding portions of the expansion device and the electric power generating device. And a heating unit is provided to heat the working fluid in the oil pooling portion.

Abstract: A power transmission device for transmitting a driving force from a vehicle-mounted driving source to a vehicle-mounted rotary device includes a driving rotor mechanically coupled to the vehicle-mounted driving source via a belt, and a driven rotor disposed coaxially with the driving rotor and mechanically coupled to a drive shaft of the vehicle-mounted rotary device. Furthermore, the power transmission device is provided with a magnetic join portion disposed in at least one of the driving rotor and the driven rotor, and the magnetic join portion is adapted to transmit a rotary driving force from the driving rotor to the driven rotor by a magnetic force, while keeping a predetermined clearance between the driving rotor and the driven rotor. Thus, in the power transmission device, a natural frequency can be made much lower than a frequency of vibration generated from the vehicle-mounted rotary device in idling of a vehicle.

Abstract: A complex fluid machine has an expansion-compressor device, a pump, and a motor generator. The expansion-compressor device, the pump, and the motor generator are operatively connected and arranged in series. A portion of an outlet side passage formed in the fluid machine, through which the working fluid flows from the expansion device, is arranged adjacent to a portion of a pump outlet-side passage formed in the fluid machine, through which the working fluid flows from the pump, so that heat of the working fluid in the outlet side passage is transferred to the working fluid in the pump outlet-side passage.

Abstract: A controller reduces a rotational speed of a Rankine cycle from a predetermined normal rotational speed during an operation of a compressor in a predetermined state when the controller determines that a predicted refrigerant flow quantity, which is predicted by assuming that the compressor is operated in a sole operation of the Rankine cycle at the predetermined normal rotational speed of the Rankine cycle, exceeds a predetermined flow quantity. The predetermined state is a state that satisfies a predetermined condition, which relates to the sole operation of the Rankine cycle.

Abstract: A waste heat recovery apparatus including a Rankine cycle which includes a heater for heating an operation fluid by waste heat from a heat-generating device, an expansion unit for converting energy of expansion of the operation fluid flowing out from the heater into mechanical energy, and a condenser for condensing and liquefying the expanded operation fluid, a temperature detector for detecting the temperature of the operation fluid on the inlet side of the expansion unit, a pressure detector for detecting inlet-side pressure of the expansion unit, a pressure detector for detecting outlet-side pressure of the expansion unit, and a control unit. The control unit controls a command rotational speed of the expansion unit based on superheated degree information at the inlet of the expansion unit obtained from the operation fluid temperature and the inlet-side pressure, and pressure information in which the outlet-side pressure is considered.

Abstract: A refrigeration apparatus with an exhaust heat recovery device mounted on a vehicle includes a refrigeration cycle for allowing a refrigerant for refrigeration to circulate therethrough, and a Rankine cycle for allowing a refrigerant for the Rankine cycle to circulate therethrough. The refrigeration-cycle condenser and the Rankine-cycle condenser are disposed in predetermined positions of the vehicle in series with respect to a flow direction of external air for cooling, and the refrigeration-cycle condenser is disposed on an upstream side of the external air with respect to the Rankine-cycle condenser.

Abstract: A refrigeration apparatus with an exhaust heat recovery device mounted on a vehicle includes a refrigeration cycle for allowing a refrigerant for refrigeration to circulate therethrough, and a Rankine cycle for allowing a refrigerant for the Rankine cycle to circulate therethrough. The Rankine-cycle condenser and the refrigeration-cycle condenser are disposed in predetermined positions of the vehicle in series with respect to a flow direction of external air for cooling, and the Rankine-cycle condenser is disposed on an upstream side of the external air with respect to the refrigeration-cycle condenser.

Abstract: A complex fluid machine has an expansion-compressor device, a pump, and a motor generator, wherein the expansion-compressor device, the pump, and the motor generator are operatively connected and arranged in series, and a power transmitting device for disconnecting the pump from the motor generator, when the expansion-compressor device is driven by the motor generator so as to be operated as a compressor device.

Abstract: A complex fluid machine has an expansion-compressor device, a pump, and a motor generator, wherein the expansion-compressor device, the pump, and the motor generator are operatively connected and arranged in series, and a power transmitting device for disconnecting the pump from the motor generator, when the expansion-compressor device is driven by the motor generator so as to be operated as a compressor device.

Abstract: A controller reduces a rotational speed of a Rankine cycle from a predetermined normal rotational speed during an operation of a compressor in a predetermined state when the controller determines that a predicted refrigerant flow quantity, which is predicted by assuming that the compressor is operated in a sole operation of the Rankine cycle at the predetermined normal rotational speed of the Rankine cycle, exceeds a predetermined flow quantity. The predetermined state is a state that satisfies a predetermined condition, which relates to the sole operation of the Rankine cycle.

Abstract: A waste heat utilization device includes a Rankine cycle in which an operation fluid circulates, and a control unit which controls an operation of the Rankine cycle. The Rankine cycle has a heater for heating the operation fluid using a waste fluid with a waste heat from a heat engine, an expander that expands the heated operation fluid to recover a mechanical energy, and a condenser for cooling and condensing the expanded operation fluid. The control unit operates the Rankine cycle when a waste fluid temperature is not less than a predetermined temperature and when the waste fluid is in a flowing state in the heat engine.

Abstract: An object of the invention is to provide a waste heat collecting system having an expansion device, in which an over expansion of refrigerant is prevented so that a loss to be caused by the over expansion is eliminated. A volume ratio of expansion for the expansion device is selected at a value, at which proper expansion of the refrigerant is achieved when the pressure difference between the high pressure and the low pressure is minimum.

Abstract: It is an object to provide a fluid machine, which is simple in structure and in which lubricating oil containing smaller amount of the working fluid is supplied to sliding portions of an expansion device. The fluid machine has the expansion device for generating a driving force by expansion of the working fluid, which contains the lubricating oil and is heated to a gas phase condition. The fluid machine further has an electric power generating device driven by the driving force of the expansion device and generating electric power. An oil pooling portion is formed in a fluid passage, through which the working fluid discharged from the expansion device flows, such that the lubricating oil contained in the working fluid is brought into contact with at least one of sliding portions of the expansion device and the electric power generating device. And a heating unit is provided to heat the working fluid in the oil pooling portion.

Abstract: A vehicle air-conditioning apparatus includes a dehumidification means, which has a compressor and dehumidifies inside of the vehicle, a humidity calculation means, which calculates humidity in the vicinity of an inside surface of the windshield, and a determination means, which determines whether the windshield is fogged on the basis of comparison between the humidity and a predetermined value. A defogging operation for heightening dehumidifying performance of the dehumidification means is performed, when the determination means determines that the windshield is fogged in a state where the compressor is turned on. The dehumidifying performance of the dehumidification means is lowered or condition in which the defogging operation is started is made to be difficult in the next defogging operation, when the windshield is determined to be fogged and the defogging operation is not manually performed in a state where the compressor is turned off.

Abstract: In a wire harness-arranging method, a wire group at a predetermined portion of a wire harness, comprising a plurality of wires bundled together, is untied, and is arranged so as to be coated with a water stop agent. The wire harness is supported above an installation plate through a plurality of wire group support jigs mounted upright on the installation plate, in spaced relation to this installation plate. Subsequently, U-shaped wire holding members, each having a slit of a uniform width over an entire length thereof, are brought respectively into gripping engagement with those portions of the wire group, disposed respectively at opposite ends of the predetermined portion of the wire harness spaced from each other in a wire-installing direction, from an upper side of the installation plate, so that the wire group at the predetermined portion is arranged along each of the slits in an upward-downward direction.

Abstract: A rotating machine having an electro-magnetic clutch includes: a leakage magnetic flux path formed between the electro-magnetic clutch and a housing via the rotary shaft when a portion of the magnetic flux generated by the electro-magnetic clutch leaks out; a Hall-effect IC, which is arranged in the leakage magnetic flux path, for detecting an amount of the leakage magnetic flux passing in the Hall-effect IC; a variable leakage magnetic flux portion which composes a portion of the leakage magnetic flux path and is rotated by the rotary shaft; and an ECU for detecting a state of rotation of the rotating machine from a change in the leakage magnetic flux detected by the Hall-effect IC.

Abstract: A fluid machine has a scroll type expansion device which is operated by a high temperature high pressure refrigerant. The refrigerant is heated by use of waste heat from an engine for a vehicle. The fluid machine further has a motor generator for generating electric power when it is driven by a rotational force produced at the expansion device, wherein a rotating shaft of the motor generator is coupled to a movable scroll of the expansion device via a crank mechanism. A biasing member is provided for biasing the crank mechanism in a direction that the movable scroll wrap is separated from a contact in a circumferential direction with a fixed scroll wrap. Pressure of the refrigerant in a working chamber in the center portion is thereby equalized to the pressure in the outer peripheral portion, at a startup period of the expansion mode.

Abstract: A complex fluid machine has an expansion-compressor device, a pump, and a motor generator, wherein the expansion-compressor device, the pump, and the motor generator are operatively connected and arranged in series. A portion of an outlet side passage formed in the fluid machine, through which the working fluid flows from the expansion device, is arranged adjacent to a portion of a pump outlet-side passage formed in the fluid machine, through which the working fluid flows from the pump, so that heat of the working fluid in the outlet side passage is transferred to the working fluid in the pump outlet-side passage. As a result, efficiency of Rankine cycle for collecting waste heat is increased.

Abstract: A fluid pump includes a driving part, a movable part that is movable by power transmitted from the driving part via a transmission part, a fixed part disposed on a side of the movable part, opposite to the transmission part, to form an operating chamber having an outlet from which a fluid flowing into the operating chamber is pressure-fed to an outside in a liquid state by the movable part, and an introduction passage for introducing a part of the fluid in the operating chamber to the transmission part. Accordingly, the liquid fluid can be introduced to the transmission part such as a bearing through the introduction passage.

Abstract: A complex fluid machine has an expansion-compressor device, a pump, and a motor generator, wherein the expansion-compressor device, the pump, and the motor generator are operatively connected and arranged in series, and a power transmitting device for disconnecting the pump from the motor generator, when the expansion-compressor device is driven by the motor generator so as to be operated as a compressor device.