Abstract: A method and apparatus for heating a surface of an aircraft. A flow of air is received from a portion of an engine in a tube system. The air flowing through the tube system is heated. The air is sent to the surface of the aircraft. The flow of the air from the portion of the engine and the heating system to heat the surface of the aircraft are controlled. Icing conditions at the surface of the aircraft are reduced.

Abstract: When an A/C switch is ON and a predetermined dehumidification condition is met, an ECU determines whether or not HV travel is selected. When the HV travel is selected, the ECU controls an air conditioning facility so that a heat pump cycle performs a cooling operation (dehumidification) and hot-water heating is used for the heating capability. When the EV travel is selected, the ECU controls the air conditioning facility so that the heat pump cycle performs dehumidification heating.

Abstract: In one or more embodiments, the present invention provides a vehicle heating system for a vehicle with an engine and a charge air cooler, the vehicle heating system including a high-temperature cooling circuit coupled to the engine, a low-temperature cooling circuit coupled to the charge air cooler and including a low temperature cooler, and a heating heat exchanger coupled to the low-temperature cooling circuit.

Abstract: A method of optimizing usage of post-injection strategy for improved cabin comfort in a vehicle includes detecting a set of conditions corresponding to parameters pertaining to the vehicle's hardware components, driving components and operating conditions. If one or more of the set of conditions are satisfied, the method implements the post-injection strategy for the vehicle, for a pre-determined time, if the fuel-oil ratio for the engine of the vehicle is lower than a pre-determined value.

Abstract: The present invention provides a heating device with cathode oxygen depletion (COD) function for a fuel cell vehicle, in which an existing COD and a heating device for improving cold startability of the fuel cell vehicle are integrated. For this purpose, the present invention provides a heating device with COD function for a fuel cell vehicle, the heating device including: a housing having an inlet and an outlet formed on both ends thereof; a start-up heater and a shut-down heater provided in parallel on one side of the housing in a direction perpendicular to a coolant flow direction; and a plurality of heaters for heating coolant provided in parallel on the other side of the housing in a direction perpendicular to the coolant flow direction, wherein cross sections in the coolant flow direction of each of the respective heaters change periodically along the longitudinal direction of the heater so as to cause a flow disturbance.

Abstract: A system for conditioning the air in a passenger compartment of a fuel cell-powered vehicle is provided, the system including a metal hydride buffer and a hydrogen source, wherein the metal hydride buffer reversibly adsorbs and desorbs hydrogen gas. The change in temperature associated with adsorption or desorption of the hydrogen gas by the metal hydride buffer is thermally communicated to the passenger compartment, thereby conditioning the air therein. Desorbed hydrogen gas is fed back to the fuel cell to power the vehicle. Also provided are a vehicle having a system for conditioning air in a passenger compartment that employs the change in temperature resulting from the adsorption and desorption of hydrogen gas by the metal hydride buffer and methods for heating or cooling a passenger compartment of a fuel cell-powered vehicle.

Abstract: A vehicle waste heat recovery system may include a first pump, an internal combustion engine, a waste heat recovery device and a condenser. The first pump may be in fluid communication with a fluid. The internal combustion engine may be operable to power rotation of a drive axle of a vehicle and may define an engine coolant passage having an inlet in fluid communication with an outlet of the first pump. The waste heat recovery device may have an inlet in fluid communication with an outlet of the engine coolant passage. The condenser may have an inlet in fluid communication with an outlet of the waste heat recovery device and an outlet in fluid communication with an inlet of the first pump.

Abstract: Provided is a heater for vehicles, and more particularly, to a heater for vehicles, in which a first heater heated by a flowing of engine cooling water and a second heater heated by a power supply are integrally assembled, thereby increasing spatial efficiency and more increasing heat exchange performance to improve heating performance.

Abstract: A method of heating an undercarriage of a machine featuring obtaining a thawing system with a hydraulic system functioning to heat hydraulic fluid and a first high pressure line and a second high pressure line each fluidly connected to the hydraulic system and each adapted to carry hydraulic fluid from the hydraulic system; operatively connecting the hydraulic system to a main engine of the machine; creating channels in the machine to allow passage of the first high pressure line and the second high pressure line from the hydraulic system to the undercarriage of the machine; and activating the system, wherein when the system is activated the hydraulic fluid is delivered to the undercarriage providing heat to the undercarriage for thawing purposes.

Abstract: When an economy switch signal is ON to instruct that fuel economy should be given priority, a blower of an air conditioning device is operated using a blower characteristic map for fuel economy so that a blower level of the air conditioning device is changed with respect to the change in an engine coolant temperature at a low rate. Also, it is determined whether an engine needs to be operated or stopped using an engine operation map for fuel economy so that the engine is likely to be stopped.

Abstract: A reducing agent heating system. The reducing agent heating system provides a dual energy heating strategy using both an electric heater and an engine coolant line such that emission control may be promoted efficiently. The electric heater and engine coolant line are disposed in close proximity to the reducing agent such that efficient and quick thawing of frozen or freezing reducing agent is facilitated.

Abstract: It is an object to effectively reduce minute clearances generated between a heat radiating member and a vehicle body and ensure good cooling performance while avoiding the occurrence of impact and noise caused by the vibration of a vehicle. A circuit unit U is mounted such that an outer surface 11B of the heat radiating member 10 to which the circuit body 30 is fixed faces a body surface S of the vehicle with a clearance. Preferably, the mounting part 12 fixed to the body of the vehicle is extended, the surface 13 of the mounting part 12 which is in contact with the body is positioned to be substantially parallel to the outer surface 11B of the heat radiating member and a step is provided in both surfaces 13, 11B. In a mounted state, the body and the outer surface 11B of the heat radiating member are facing each other in a substantially parallel state and a clearance is formed between the body and the outer surface of the heat radiating member over the entire area excluding the mounting part 12.

Abstract: Provided is a vehicle air conditioning device, including: a unit case (2) including an air flow channel formed therein, the air flow channel being branched into a bypass flow channel and a heating flow channel; a heater core (13) installed in the heating flow channel; and upper-part shoulder supporting portions for the heater core, each of the upper-part shoulder supporting portions (24, 25) only supports one of upper-part right and left shoulder portions (13A, 13B) of the heater core (13) installed on a bottom surface side of the heating flow channel, each of the upper-part shoulder supporting portions is provided on one of right and left side surfaces (2A, 2B) of the unit case. The vehicle air conditioning device blowing off, into a chamber, an air flow made after joining together an air flow that has passed through the heating flow channel and an air flow that has passed through the bypass flow channel.

Abstract: A preferred embodiment supplemental heating system is fluidly connectable to a vehicle cooling system and includes a liquid heat generator operable for heating a cooling fluid delivered to the supplemental heating system from the vehicle's cooling system. The liquid heat generator includes a discharge passage connectable to a heater core of the vehicle and a inlet passage connectable to the vehicle's cooling system. The supplemental heating system further includes a control valve having an inlet connectable to an exit passage of a heater core of the vehicle, a discharge passage fluidly connected to the liquid heat generator, and a second discharge passage connectable to the vehicle's cooling system. The control valve is operable for controlling the proportion of cooling fluid exiting the heater core that is returned to the vehicle's cooling system and recirculated back to the liquid heat generator.

Abstract: A vehicle heating system comprising: a coolant circuit that circulates coolant between an engine and a heater core; heating device that heats coolant, which is interposed in the coolant circuit; a pump for coolant circulation, which is interposed in the coolant circuit; and a switching valve that switches the coolant flowing through the coolant circuit between a heater-core-side circuit that circuits the coolant among the heater core, the pump and the heating device and an engine-side circuit that circulates the coolant into the engine, wherein the switching valve has a thermo valve that switches channels so that the coolant coming from the engine-side circuit enters either one of the heater-core-side circuit and the engine-side circuit according to temperature of the coolant, and a bypass that delivers the coolant, which comes from the heater-core-side circuit, to the heater-core-side circuit.

Abstract: The present invention provides a heating system for a fuel cell vehicle, in which an additional heating source is used together with an electric heater to lower power consumption and increase fuel efficiency of prior systems. For this purpose the present invention provides a heating system for a fuel cell vehicle, the heating system including: an electric heater for heating air blown by a blower fan and supplied to the interior of the vehicle; and a heater core provided in a coolant line, through which coolant for cooling a fuel cell stack is circulated, and is used for heating the air, blown by the blower fan and supplied to the interior of the vehicle, by heat transfer between the coolant and the air, wherein the heater core is provided at the downstream side of the fuel cell stack in a coolant circulation path such that the air is heated by waste heat of the coolant discharged from the fuel cell stack.

Abstract: Disclosed herein is an exemplary liquid heat generator including a housing and a rotor disposed within the housing. A flexible pressure relief diaphragm is attached to the rotor. The pressure relief diaphragm includes a seal ring that engages a seal seat attached to the housing.

Abstract: A vehicle waste heat recovery system may include a first pump, an internal combustion engine, a waste heat recovery device and a condenser. The first pump may be in fluid communication with a fluid. The internal combustion engine may be operable to power rotation of a drive axle of a vehicle and may define an engine coolant passage having an inlet in fluid communication with an outlet of the first pump. The waste heat recovery device may have an inlet in fluid communication with an outlet of the engine coolant passage. The condenser may have an inlet in fluid communication with an outlet of the waste heat recovery device and an outlet in fluid communication with an inlet of the first pump.

Abstract: A thermal storage and transfer system includes a cooling system and method using ice or other frozen material with heat pipes to produce a cool airstream. Preferably, the ice is disposed in a container with the condensers and evaporators of the heat pipes respectively inside and outside the container. A fan blows air across the evaporator sections through a duct to circulate within an enclosed airspace to be cooled. A separate refrigeration system which may be used to independently cool the airspace also freezes water or another liquid to produce the ice or other frozen material in the container. The cooling system is broadly applicable, including use on motor vehicles to provide cooling for several hours when the vehicle engine is off. A heating system includes an adsorbent heat exchanger for extracting heat from exhaust gases of an engine and heating an enclosed airspace.

Abstract: A method of conserving energy during a heating event wherein a coolant is heated in a cooling system is disclosed. The method includes establishing a first set point temperature for a first point in the cooling system and establishing a second set point temperature lower than the first set point temperature for a second point in the cooling system. Normally, the coolant is maintained at the second set point temperature at the second set point in the cooling system. During the heating event, the second set point temperature is raised to substantially match the first set point temperature to reduce necessary heating of the coolant at the first point.

Abstract: The invention relates to a thermal energy management device for a vehicle, namely a vehicle equipped with an electric generator associating and fuel cell and hydrogen reformer, comprising at least one primary circuit circulating a first heat-conducting fluid, such circuit enabling calories to be collected from a thermal source and transported to at least one thermal exchanger wherein said device comprises at least one thermal exchanger constituted by a sorption exchanger, enabling the thermal energy management of vehicles, and namely, armored vehicles.

Abstract: Disclosed herein is a heating device using waste engine heat. When an engine is stopped for a driver to rest in a vehicle or leave the vehicle for a meal, a manipulation switch in the vehicle is turned on to forcibly circulate coolant heated by engine heat, thus heating the interior of the vehicle. The device includes a main body which generates rotating force by current supplied from a vehicle battery, when an engine is stopped. A receiving part is received in the main body, and prevents coolant from flowing into the main body. A rotor is inserted into the receiving part, receives the coolant, and is rotated depending on a varying polarity, thus discharging the coolant. A lid introduces the coolant from the engine through one side, supplies the coolant to the rotor, and discharges the coolant to a heater coupled to the other side.

Abstract: A system for supplying supplemental heat to a vehicle, particularly a vehicle with a diesel engine, A driven viscous plate with different viscous clutch faces on either side is provided between the engine and the coolant pump. One side clutches to the engine structure (ground) to generate heat, and the other side clutches to the coolant pump to vary the pump drive. The two sides are controlled by a valve operated by signals from the engine computer. The valve varies the supply of viscous fluid from a common reservoir independently to both sides of the driven viscous plate. The signal from the engine control unit is based on the instantaneous desired supplemental heat and coolant flow. In another embodiment, two separate viscous clutches are utilized and positioned on opposite sides of the coolant pump.

Abstract: A heating system for optimizing execution of heating tasks in a fuel cell vehicle is disclosed, the system including a stack coolant loop with a fuel cell stack, a primary pump, and a radiator module. A bypass coolant loop is disposed parallel with and is connected to the stack coolant loop between the fuel cell stack and the radiator module. The bypass loop including a cabin heat exchanger and a coolant heater, along with a secondary pump for pumping coolant through the heaters when desired.

Abstract: A heat reservoir for storing the energy necessary for powering heat engines, particularly steam engines, is disclosed. The heat reservoir converts electrical energy into thermal energy through the use of electrical resistance heating coils bathed in one or more high heat capacity metals. Loss of heat through thermal conduction is minimized through the use of an insulating jacket surrounding the reservoir. The stored heat can be quickly transferred to a working fluid, such as steam, by using both a heat storage metal and a heat exchanger metal that possess high thermal conductivity.

Abstract: An additional heating device for a motor vehicle. The device includes a unit heater heated by internal combustion engine coolant, and a circuit for recycling exhausts gases from the engine, including an exchanger for cooling the exhaust gases, which is cooled by the engine coolant, the exchanger being connected in parallel with the coolant circuit that is connected to the unit heater. The exhaust gas recycling circuit includes a valve for controlling the flow of recycled exhaust gases to the engine intake. The gas recycling circuit includes a bypass for directing the exhaust gases towards the exhaust manifold of the engine, the bypass including a valve controlling the exhaust gases returning to the exhaust.

Abstract: The present invention provides a heating device with cathode oxygen depletion (COD) function for a fuel cell vehicle, in which an existing COD and a heating device for improving cold startability of the fuel cell vehicle are integrated. For this purpose, the present invention provides a heating device with COD function for a fuel cell vehicle, the heating device including: a housing having an inlet and an outlet formed on both ends thereof; a start-up heater and a shut-down heater provided in parallel on one side of the housing in a direction perpendicular to a coolant flow direction; and a plurality of heaters for heating coolant provided in parallel on the other side of the housing in a direction perpendicular to the coolant flow direction, wherein cross sections in the coolant flow direction of each of the respective heaters change periodically along the longitudinal direction of the heater so as to cause a flow disturbance.

Abstract: A motor vehicle has a low exhaust heat engine (ME) for driving the driven wheels and a system for conditioning the air temperature of the passenger compartment (CAB). The conditioning system includes a reversible heat pump (PAC) which conditions in temperature respectively a distribution loop (DI) and an exhaust loop (RE) through which flows a coolant. The distribution loop (DI) is connected to an exchanger (H2) with the air entering the space compartment (CAB) and is connectable via an electromagnetic valve (EV1) to another exchanger (H1) with the air entering the passenger compartment (CAB). The exhaust loop (RE) is connected to an exchanger (F1) with the outside air. The exhaust loop being further connected to the engine (ME) for exchanging heat with the engine.

Abstract: Disclosed herein is an exemplary liquid heat generator including a housing and a rotor disposed within the housing. A flexible pressure relief diaphragm is attached to the rotor. The pressure relief diaphragm includes a seal ring that engages a seal seat attached to the housing.

Abstract: The present invention relates to distribution of conditioned air from automotive HVAC units, in particularly, distribution systems having both front and rear components. In particular, the present invention improves the temperature characteristics of the rear floor area of distribution in the cockpit, cab or passenger compartment, in a variety of temperature modes. By providing for a valving or closing off means on a rear distribution door, regulation and adjustment of the stratification and temperature of air reaching the rear, and especially, the rear floor area of the cockpit, cab or passenger compartment, is achieved by blocking or closing off a channel between the heater core area of the HVAC and the distribution system.

Abstract: A heating device for heating a storage device (2) for a complex salt in a motor vehicle includes the storage device (2) for the complex salt and at least one mass-ducting hollow pipe (4). A mass flows through the mass-ducting hollow pipe (4) while the motor vehicle is operating and heats up while the motor vehicle is operating, and is thermally coupled to the storage device (2) for the complex salt in such a way that the heated mass in the mass-ducting hollow pipe (4) will heat the storage device (2) for the complex salt.

Abstract: An apparatus for the heating of a viscous fluid contained in a heat generating chamber by a rotatable unit having a fluid shearing surface formed on a face thereof, the unit by shearing of the viscous fluid on that face induces the heating of said viscous fluid and where an external heat extracting surface is provided for this heat to be removed by a further fluid in contact with that surface. The two dissimilar fluids are kept apart by at least the housing acting as a fluid partition. The unit has an interior space as a storage location for viscous fluid with a deformable element for volume changes of the viscous fluid during the operation of the apparatus.

Abstract: An apparatus for heating a liquid includes a housing having an internal chamber and a rotor disposed in the chamber. The rotor is preferably cylindrical and operates inside a bore provided by the housing without touching, the shape of the bore preferably being parallel with the exterior surface of the rotor, and a series of openings disposed over the rotor surface. At least one internal passageway in the rotor and elements for: pre-heating some or all the incoming fluid in the chamber; priming the chamber initially; cooling certain temperature sensitive components; injecting fluid into a partially evacuated volume; developing a vacuum state during operation expeditiously.

Abstract: A device for conditioning a vehicle includes at least one electrically operated conditioning arrangement, a hot air supply system with a heat source, and a delivery arrangement for delivery of heated air into a vehicle interior, a fuel cell system for providing electrical energy for the at least one conditioning arrangement and the delivery arrangement. The hot air supply system includes the fuel cell system as heat source and also furthermore a heat exchanger arrangement for transferring heat arising in the region of the fuel cell system to the air to be delivered into the vehicle interior.

Abstract: In a heater control apparatus for a vehicle and a method for controlling the same, an engine control part controls a cooling water conduit control part so that the opening of a cooling water bypass is variably regulated in proportion to an interior temperature thereby increasing the efficiency of air conditioning of a vehicle.

Abstract: A viscous fluid-type heat generating apparatus comprises a conveying rotor in communication with at least one channel for conveying a tempering fluid through it. The conveying rotor is mounted on a driven shaft. A shearing arrangement provides shearing forces onto viscous liquid situated in a chamber. This chamber is immediately formed within a hollow space of the conveyor rotor.

Abstract: An auxiliary motor vehicle heater (10) is provided with a control device (22) which has a connection (30) for a voltage supply line (32) which leads from the battery (34) of the motor vehicle to the control device (22). In order to especially more easily determine information for an auxiliary motor vehicle heater (10) about the operating state of the engine (36) of the motor vehicle, the control device (22) is set up to detect the voltage characteristic on the connection (30) and to determine the information “starting of the engine (36) of the motor vehicle is completed” depending on the voltage characteristic.

Abstract: Apparatus and Method for accelerating the warm-up of a heater/defroster in a passenger compartment of an automotive vehicle. A working fluid, such as power steering oil is rapidly heated by pumping it through a small orifice. An oil-to-coolant heat exchanger transfers heat from the working fluid to a liquid coolant. A blower generates an air stream and directs it across heat exchange surfaces of a coolant-to-air heat exchanger. Meanwhile the heated coolant is circulating through the interior of the coolant-to-air heat exchanger. This transfers heat from the liquid coolant and warms the air stream.

Abstract: A vehicle steering wheel, which comprises: (a) a main connection hose originated from a pre-existing air conditioning unit; (b) a coupling device connected to the main connection hose; (c) a left connection hose extension extending from the coupling device; (d) a right connection hose extension extending from the coupling device; (e) a plurality of left air vents connected to the left connection hose extension and mounted on a left hand-gripping portion; and (f) a plurality of right air vents connected to the right connection hose extension and mounted on a right hand-gripping portion.

Abstract: The invention relates to a mechanical control device (10) making it possible to act on control members of an airflow-distribution system (1) for a motor vehicle, characterised in that it comprises at least two separate control means (30, 40) with rotary movement acting respectively independently with respect to one another on the control members, a first control means (30) being mounted turning about a first rotational axis and carrying a second control means (40) mounted turning about a second rotational axis which is inclined with respect to the first rotational axis.

Abstract: In a heat generator for a vehicle according to the present invention, an operation chamber defined in the heat generator is composed of a heat generation area (7) which receives therein a rotor, a storage area (8) which contains viscous fluid, and a boundary opening (9) of a relatively large surface area, which connects the two areas. The boundary opening is provided with a pair of transfer openings (35A, 35B) in a point-symmetric arrangement with respect to the rotation axis C of the rotor. Guide portions (41A, 41B), each corresponding to each of the openings, are provided in the storage area. With this structure, since at least one of the transfer openings and the guide portion corresponding thereto are located below the surface level L of the viscous fluid regardless of the attachment angle of the heat generator, the exchange and circulation of the viscous fluid can be carried out between the heat generation area and the storage area, in accordance with the rotation of the rotor.

Abstract: In a vehicle air conditioner where a foot mode and a foot/defroster mode can be set, when a target temperature of air blown into a passenger compartment is higher than a predetermined temperature, the foot mode is selected. However, even if the target temperature of air is higher than the predetermined temperature, the foot/defroster mode is selected in place of the foot mode when an outside air temperature is lower than a predetermined temperature and when a vehicle speed is higher than a predetermined speed. In the vehicle air conditioner, because the foot/defroster mode can be suitably automatically selected based on a fog-generation condition of a windshield, both fog-preventing performance of the windshield and heating performance of the passenger compartment are improved during heating operation.

Abstract: In order to reduce emissions from a liquid-cooled internal combustion engine, the cooling liquid of the internal combustion engine is heated by a heat generator that is driven by the internal combustion engine as long as the working temperature of the internal combustion engine is below a predetermined value. The heat generator includes a driven rotor and a stator, in which the rotor when rotated induces electric currents that generate heat. The rotor includes a soft magnetic material and supports a plurality of permanent magnets, which generate a magnetizing field of the rotor. The stator has a ring of non-magnetic, electrically conductive material. The ring is arranged along the periphery of the rotor such that the magnetizing field of the rotor passes through the ring. A chamber which likewise extends along the periphery of the rotor and of which the stator is at least part, permits the circulation of a liquid for absorbing the heat generated in the stator ring, when the rotor is driven to rotate.

Abstract: A heat generator comprises a partitioning wall 34 in opposed relation to a rotor in a heat generating area, in which the partitioning wall is formed with a supply groove 38 for introducing the viscous fluid to the outer peripheral area of the heat generating area from a storage area, and a recovery groove 39 for leading out the viscous fluid to the storage area from the outer peripheral area of the heat generating area. The shape, position and the mounting angle of the supply groove 38 and the recovery groove 39 are designed to set the outflow ratio &agr; to not more than 0.92. The outflow ratio &agr; is defined as the ratio (&agr;=Qout1/Qin) of the amount Qout1 of the viscous fluid flowing out from the heat generating area due to the forcible transfer function of the recovery groove 39 to the total amount Qin of the viscous fluid flowing from the storage area into the heat generating area.

Abstract: A heating apparatus for a vehicle includes a pump for circulating cooling water in a cooling water circuit, a heating heat exchanger for heating air blown into a passenger compartment of the vehicle using cooling water as a heating source, and a throttle valve disposed at a discharge side of the pump. In the heating apparatus, when the temperature of cooling water is low and heating capacity for heating the passenger compartment is insufficient, an opening degree of the throttle valve is reduced by a control unit. Therefore, heat is generated from the throttle valve and the pump so that the temperature of cooling water is increased. Thus, heating capacity of the heating apparatus can be improved without using a manual operation.

Abstract: A vehicle is provided with an operators cab having a heating system. The vehicle is powered by an internal combustion engine that is a source of heated fluid. Heated fluid from the engine is directed to a supply line where it is carried to a heat exchanger in communication with the interior of the operators cab. A valve having an electrical actuator regulates the flow of heated fluid through the supply line to the heat exchanger. A non-linear potentiometer controls the actuator so that the heat output of the heat exchanger is linear with respect to the operation of the control knob. The non-linear potentiometer drives the actuator so that the valve is opened at an increasing rate until it its fully opened.

Abstract: A vehicle heat generator, which can easily be installed in an engine room, includes a housing, and a heating chamber housed in the housing. The heating chamber contains viscous fluid. A heat transfer chamber is housed in the housing about the heating chamber. Circulating fluid flows through the heat transfer chamber. A rotor is rotatably supported in the heating chamber. The rotor shears the viscous fluid to generate heat. A flow passage of the circulating fluid is defined in the heat transfer chamber. The flow passage encompasses substantially the entire rotor. An ingoing passage connects the exterior of the housing to the flow passage. The circulating fluid flows through the ingoing passage from the exterior to the flow passage. An outgoing passage connects the flow passage to the exterior. The circulating fluid flows through the outgoing passage from the flow passage to the exterior. The ingoing passage and the outgoing passage extend substantially parallel to the rotor axis.

Abstract: An auxiliary heat source for a vehicle having a driving source is provided. The auxiliary heat source includes a drive mechanism, an auxiliary machine and a heat generating unit. The drive mechanism is adapted for receiving a rotational driving force from the driving source and includes a first drive structure and a second drive structure. The auxiliary machine for the vehicle includes a first shaft, which is coupled for rotation with the first drive structure and which is operable for providing a power input to the auxiliary machine. The heat generating unit using a shearing force to generate heat. The heat generating unit includes a rotor and a second shaft. The second shaft is coupled for rotation with the second drive structure and operable for providing a power input to the rotor.

Abstract: A vehicle includes a vehicle housing which defines a passenger compartment. Attached to the vehicle housing is a hydraulic system, that includes a hydraulic fluid which flows through at least one passageway within the hydraulic system. Also attached to the vehicle housing is a passenger compartment heating system. The passenger compartment heating system includes a heat exchanger, wherein a portion of the heat exchanger is a segment of the at least one passageway of the hydraulic system.

Abstract: A method for producing a rotor assembly of a heat generator. The rotor assembly includes an inner rotor and an outer rotor that is rotated integrally with the inner rotor. The producing method includes forming the inner rotor from iron or iron alloy, and casting the outer rotor around the inner rotor by aluminum or aluminum alloy so that the outer rotor is firmly fixed to the inner rotor without slippage when heated.