Abstract: The apparatus has a housing with a main chamber in which a rotor is situated. The drive shaft drives the rotor about a longitudinal axis of rotation. The housing has a fluid inlet and a fluid outlet, the fluid inlet communicating with an inlet region and a fluid outlet communicating with an exit region. The outer surface of the rotor forms one boundary for the fluid heat generating region chamber which is confronted by the inner surface of the main chamber which is the other boundary. At least one of these surfaces is angularly inclined relative to the axis of rotation of the drive shaft and rotor. By bodily shifting the rotor in a direction along the longitudinal axis, an increase or decrease in the distance between the outer and inner surfaces is possible in order to adjust for wear or to change the degree of shear experienced by the passing fluid.

Abstract: An apparatus for heating a liquid comprising a housing having an internal chamber and a rotor disposed in said chamber. A drive shaft rotatably supported in the housing and extending into said chamber for imparting mechanical energy to the rotor. The rotor being provided with a series of openings generally arranged to be parallel to the rotational axis of the drive shaft. The rotor in the form of a disc and the housing formed with radial surfaces on either side of said rotor disc. The rotor may comprise a single disc or alternatively, a series of dics in a liminated formation. A fluid intake passage in said housing preferably arranged adjacent the center of the disc and a fluid exit passage, generally arranged to be circumeferntially outwards of said disc.

Abstract: An inline heating device for fluid has rotary members frictionally engaging fixed housing extensions on a central fluid transfer conduit. The rotary members are rotated by drive shafts having multiple vein turbine assemblies respectively thereon within the fluid transfer conduit. The rotary members have enhanced friction engagement surface which are spring urged against the fixed housing extension engagement surfaces generating heat therein for thermal transfer to the fluid flow within the transfer conduit driving the turbine assemblies.

Abstract: A system for cleaning, heating and purifying contaminated aqueous solutions. The system utilizes a separator having a wheel with staggered orifices of different diameters and depths. The wheel is tightly held within a housing and is mounted on a rotating shaft. The shaft is held by sealed bearing assemblies. The shaft is rotated by an external electromotive devise. The aqueous solution is transported to the separator via preheat and circulation tanks by use of a pump, and passes to a storage container where it may be utilized for many purposes, via a pair of heat exchangers, a venturi and a second pump.

Abstract: A centrifugal device for pumping and heating fluids is described. The centrifugal device includes a cylindrical rotor positioned in a cylindrical cavity. The rotor rotates within the cavity and includes bores equally spaced and arranged on the front surface of the rotor according to a predetermined pattern. When a fluid is directed through the device, the fluid is subjected to vortex formation to produce fluid heating.

Abstract: A frictional heating system for communicating with an air supply duct to heat and cool air in a building, including an enclosure defining an interior, two air inlets, and at least one air outlet therein communicating with the interior of the enclosure for permitting air flow therethrough. A plurality of turbines are carried on a common shaft for rotation therewith. Each of the turbines is positioned within the enclosure for drawing air into the enclosure and frictionally heating the air therein. A first conduit is in fluid communication with the air outlet, a water heater and an air conditioning system, for moving frictionally-heated air from the air outlet to one or the other of the water heater and the air conditioning system. A motor assembly including a motor is operatively connected to the common shaft and positioned outside the enclosure for driving the common shaft and turbines.

Abstract: The invention relates to a heating device, in particular for motor vehicles, for generating frictional heat by liquid friction with a housing which is arranged in a stationary position and has a working space and a motor-driven rotor in the working space.

Abstract: A heat generator for reducing emissions includes a permanently magnetized, disc-shaped rotor; a stator axially separated from the rotor and in which the rotor induces electric currents as it rotates to generate heat in the stator; and an adjoining cooling duct through which a cooling liquid flows to dissipate heat generated in the stator. The rotor and stator are axially movable in relation to one another to adjust the heat generated in the stator. Heat output is controlled by a member acting axially on the rotor in the direction of the stator with a variable force against the action of a repelling force, and includes a soft magnetic material forming part of the stator. The permanently magnetized rotor and the stator are magnetically attracted to one another, and it is possible to strengthen/weaken their to achieve a predetermined output/speed profile.

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: 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: In a heat generator of the invention in which a drive shaft 8 is made of an iron-type metal, a rotor 9 includes a main rotor body 9a made of an aluminum-type metal for shearing a silicone oil SO and a bush 9b made of an iron-type metal inserted in the main rotor body 9a and secured to the drive shaft 8 while being positioned in contact with the inner race 7a of a bearing device 7. The main rotor body 9a has at least a gap &Dgr; relative to the inner race 7a of the bearing device 7, and is permitted to undergo thermal expansion.

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 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: Disclosed are a method and apparatus for heating a liquid using mechanical vibrations. The liquid is introduced into a cavity (1) in a rotating wheel (2) and expelled into an annular chamber (4) formed by the wheel and the stator (7), passes through a series of outlet apertures (8) and is removed. For this process, the following empirical relationships are preferred: R=1.1614 K/mm; &Dgr;R=1.1614 B/mm; and n=3.8396 K−1.5×106 revs./min, R being the radius of the peripheral cylindrical surface of the wheel, &Dgr;R being the radial dimension of the annular chamber, n the rotation frequency of the wheel, K the number of outlet apertures in the wheel. B is an integer in the rang of 1−K/5. A method and an apparatus for heating a liquid /FIG.

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 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.

Abstract: A portable controlled heating unit providing for recirculating heated air to obtain better control of exit temperature from a heating unit. Temperature sensors of exit temperature control vaned entrances and exits under one single unit to control the recirculation.

Abstract: A method and apparatus for heating fluid comprising a rotor with a first hole and a second hole. The apparatus comprising an intake port, a discharge port and a pocket spaced apart from the rotor. The fluid enters the apparatus through the intake port and the rotor rotates causing the fluid to flow through the first hole, collide with the pocket, flow though the second hole and leave the apparatus through the discharge port.

Abstract: A viscous fluid type heat generator, which shears viscous fluid for generating heat. The heater includes a rotor located in a heating chamber and viscous fluid accommodated in the heating chamber. The rotor is rotated integrally with a drive shaft by a vehicle engine. The rotor includes a boss for attaching the rotor to the drive shaft. The boss has a double-ringed structure for reinforcing the attachment of the boss to the drive shaft.

Abstract: A viscous fluid type supplementary heat generator having a housing assembly defining a fluid containing chamber including a hermetically sealed heat generating chamber in which a viscous fluid is filled to generate heat when the viscous fluid is subjected to shearing action applied by the rotation of a rotor element rotatably arranged in the heat generating chamber. The fluid containing chamber has a predetermined substantial volume with respect to which the volume of the viscous fluid filled in the fluid containing chamber is set at a value between 50% through 70%, i.e., the filling rate of the viscous fluid relative to the substantial volume of the fluid containing chamber of the viscous fluid type heat generator is determined to be a value between 0.5 through 0.7. The determination of the filling rate of the viscous fluid is made so as to protect an oil sealing device sealing the heat generating chamber from being damaged or broken by an excessive pressure prevailing in the heat generating chamber.

Abstract: A heating system incorporating a heat generator confining therein a heat-generative fluid to viscously generate heat when a shearing action is applied to the fluid by a rotor element, and a heat-generation controller including a heat-generation adjusting actuator which adjustably changes the heat-generating performance of the heat generator on the basis of a signal detected as a first control signal indicating a change in the rotating speed of the rotor element and a preset reference signal. A second control signal detected to indicate a temperature of the heat-generative fluid is used to adjustably change the preset reference signal. The operation of the heating system is controlled by a method in which the first control signal is compared with the preset reference signal to determine whether or not the heat-generation adjusting actuator should actuated to change the heat-generating performance of the heat generator.

Abstract: A viscous fluid type heat generating apparatus having a housing forming a cylindrical heat-generating chamber having a cylindrical wall surface and an axially spaced flat annular wall surface, and a rotatably supported rotor element having a cylindrical base portion and an axially extending tubular portion integral with the base portion forming a substantially cylindrical outer face and a cavity portion used as a fluid-storing chamber, the cylindrical portion of the rotor element cooperating with the cylindrical wall surface of the housing to define a main part of a heat-generating gap holding a viscous fluid which generates heat in response to an application of a shearing force to the viscous fluid in response to the rotation of the rotor element.

Abstract: As a viscous fluid (F) contained in a vehicular heat generator provided with a rotor (33), a non-Newtonian fluid having an apparent viscosity that decreases as the shear rate of the rotor (33) increases (e.g., a kind of silicone oil) is employed. The nominal viscosity of the viscous fluid (F) is in the range of 10,000 cSt to 200,000 cSt. If such viscous fluid is employed, the viscous fluid (F) maintains its shear heat generating function over an extended period even under circumstances where the fluid (F) is subjected to over-shearing by over-rotation of the rotor (33). In addition, low-temperature starting of the rotor is facilitated.

Abstract: A viscous heater is provided which can carry out full heat exchange securely. For instance, fins 2c through 2f are formed in a housing, and project into a water jacket RW. Thus, a surface area of a wall surface constituting the water jacket RW is enlarged, and a circulating fluid, taken in through a water inlet port 8 and delivered out to an external heating circuit through a water outlet port 9, is circulated along a specific route.

Abstract: An improved viscous heater for a vehicle heating system is disclosed. The viscous heater has a heat generator including a rotor that agitates viscous fluid to generate the heat. A vehicle engine transmits its rotation to the rotor via an electromagnetic clutch. A thermosensitive switch is attached to the heat generator and selectively connects and disconnects the electromagnetic clutch with electric power source. The thermosensitive switch is selectively activated and deactivated based on magnitude of the heat generated by the agitated viscous fluid. The thermosensitive switch is deactivated when the ambient temperature is in excess of the predetermined uppermost value (T) and activated when the temperature in smaller than the predetermined lowermost value (T-.DELTA.T).

Abstract: An improved viscous fluid type heater is disclosed. The heater has a heating chamber and a heat exchange chamber. The heating chamber accommodates viscous fluid and a rotor that rotates and shears the viscous fluid to produce heat. The heat exchange chamber allows circulating fluid to flow therethrough, whereby the heat is transmitted to the heat exchange chamber from the heating chamber to heat the circulating fluid. A reservoir chamber communicates with the heating chamber for an auxiliary reservoir of the viscous fluid. A stirring member is provided in the reservoir chamber and stirs the viscous fluid in the reservoir chamber.

Abstract: A liquid heating device, comprising a pump for pumping a liquid, a convertor for converting of a flow of the liquid, heat exchange a unit, the convertor being formed as a cyclone connected with the pump and having a main spiral passage for a tangential supply of the liquid, passage a unit from withdrawal of the liquid, and an additional spiral passage which is directed toward a side which is opposite toward the main passage is directed, the spiral passages having outlets which are offset relative to one another along an axis of the cyclone.

Abstract: A coolant circulation system for circulating a coolant through a coolant passage of a liquid-cooled engine, a radiator of an engine cooling system and a heat exchanger of a passenger compartment heating system. The coolant circulation system includes a coolant circuit provided for a fluidic communication between the coolant passage, the radiator and the heat exchanger. A coolant is forcibly circulated in the coolant circuit by a coolant pump. The coolant circulation system further includes a supplementary heat source arranged in the coolant circuit to heat the coolant flowing out of the heat exchanger. The coolant heated by the supplementary heat source is directed to the coolant passage. The supplementary heat source may be formed as a viscous fluid type heat generator.

Abstract: Specifically configured dual rotor, multi-lobed, rotary gas compressors in a piping system will provide clean gas heating and re-circulation that will quickly and efficiently heat a connected process chamber or process piping section. Substantial heat is quickly generated through mechanical agitation of the gas molecules that pass through the inlet and outlet of a dual rotor, multi-lobed, rotary gas compressor. The invention application of a dual rotor, multi-lobed, rotary gas compressor as a means of imparting heat to a gas stream provides an economical source of convective heat for closed and open loop piping applications.

Abstract: A heat generator has a heating chamber and a pair of heat exchange chambers located adjacent to the heating chamber. The heating chamber includes inner walls and accommodates viscous fluid. A rotor is located in the heating chamber and has shearing surfaces facing the inner walls of the heating chamber. The rotor is rotated for shearing the viscous fluid that occupies the clearance between the inner walls of the heating chamber and the working surfaces thereby generating heat. Each inner wall includes a center region, which is located in the vicinity of the axis of the rotor, and a peripheral region, which surrounds the center region. Heat generated in the heating chamber is transferred to the heat exchange chambers and heats circulating fluid in the heat exchange chambers. Each inner wall includes grooves extending radially from the peripheral region to the center region. Each groove includes a bottom and a pair of side walls.

Abstract: A viscous fluid type heating apparatus capable of achieving both reliable prevention of deterioration in the heat-generating performance of a viscous fluid and reliable prevention of leakage of the viscous fluid from the apparatus, and having a heat generating chamber provided with a first and a second storing region for storing a silicone oil to avoid an application of a shearing action from a rotor element to the viscous fluid and a heat generating gap. The silicone oil is held in the heat generating chamber so that it is able to flow between the heat generating gap and the first storing region which is directly affected by a thermal condition in the heat generating gap. The second storing region is substantially separated from the first storing region and is not directly affected by the thermal condition in the heat generating gap. The flow of the silicone oil between the first and second storing regions is adjustable by a movable element.

Abstract: A vehicle heater for generating heat for heating a vehicle compartment. The heater includes a rotor rotated by a vehicle engine. The rotor has a predetermined thickness and a peripheral edge. The heater further includes a heating chamber for accommodating the rotor and a fluid. The fluid is heated in the heating chamber when the rotor rotates. The heater further includes a reservoir. The fluid from the heating chamber is stored in the reservoir. The heater further includes a return passage connecting the reservoir and the heating chamber. The fluid returns from the heating chamber to the reservoir through the return passage. The return passage has an entrance opening in an inner wall of the heating chamber. The entrance opening faces the peripheral edge of the rotor, and the maximum width of the entrance opening is greater than the thickness of the rotor.

Abstract: A viscous fluid type heat generator including a housing assembly defining therein a heat generating chamber and a heat receiving chamber, a drive shaft rotatably supported by the housing assembly, a rotor element mounted to be rotationally driven by the drive shaft for rotation within the heat generating chamber, and a viscous fluid, held in a gap defined between the inner wall surfaces of the heat generating chamber and the outer surfaces of the rotor element, for heat generation under shearing stress applied by the rotation of the rotor element. At least a part of the housing assembly, which defines the heat generating chamber, is made of a material of which a linear expansion coefficient is larger than that of a material of the rotor element.

Abstract: In the heater of the present invention, a heating chamber accommodates a viscous fluid. A rotor is located in the heating chamber. The rotor rotates and shears the viscous fluid to generate heat. The heat generated in the heating chamber is transferred to the heat exchanger and heats a fluid that flows through the heat exchanger. A reservoir stores the viscous fluid. The reservoir has an upper portion and a lower portion, and the lower portion has a greater volume than the upper position. A return passage connects the heating chamber to the reservoir so that the viscous fluid moves from the heating chamber to the reservoir when the rotor rotates. A supply passage connects the reservoir to the heating chamber so that the viscous fluid flows from the reservoir to the heating chamber.

Abstract: A viscous liquid heater is composed of a housing having a heat chamber filled with viscous liquid, a rotor disposed in the heat chamber and a rotary plate movable to change volume of the heat chamber. The rotor rotates in the heat chamber and shears the viscous liquid to generate heat. The temperature of the heat chamber is controlled by changing volume of the heat chamber.

Abstract: A viscous fluid type heater is disclosed. A heat chamber and a heat exchange chamber are disposed closed to each other. The heat chamber accommodates viscous fluid and a rotor that rotates and shears the viscous fluid to generate the heat. The heat is transmitted to the heat exchange chamber thereby circulating fluid passing through the heat exchange chamber is heated. The rotor is made of a first material having a heat conductivity of 100 W/mK.

Abstract: According to the present invention, in a heating apparatus having a viscous heater using viscous fluid for heating cooling water, when an engine rotational speed is lower than a set rotational speed relative to a temperature of viscous fluid, a viscous clutch is turned on to transmit a rotational driving force of the engine to a rotor of the viscous heater. In this way, a shearing force is applied to the viscous fluid in the heat-generating chamber, and the circulating cooling water is heated by generated heat of the viscous fluid to improve the heating capacity. When the engine rotational speed is higher than the set rotational speed relative to a temperature of viscous fluid, a viscous clutch is not turned on. Therefore, the rotational driving force of the engine is not transmitted to the rotor of the viscous heater, so that the shearing force is not applied to the viscous fluid to prevent the oil temperature of the viscous fluid from increasing excessively higher than 200.degree. C.

Abstract: Method and device for fluid heating (FIG. 1) by acting With mechanical vibrations, comprising supply of fluid into the space (1) of the rotating working wheel (2), discharge of fluid into the circular chamber (4), formed by the working wheel and the stator (7) through a series of outlet openings (8), and outflow of fluid. During this, prefer red empirical relationships are observed:R=1.1614 K (mm),.DELTA.R=1.1614 B (mm) andn=3.8396 K.sup.-1.5 *10.sup.6 (r.p.m.),whereR is the radius of the peripheral cylindrical surface of the working wheel,.DELTA.R is the radial size of the circular chamber,n is the frequency of the working wheel rotation,K is the number of the outlet openings of the working wheel,B is the integer in the range of 1 . . . K/5.

Abstract: A heating apparatus (2) draws in a liquid medium through a motor (7) driven, high pressure pump (5, 172), the liquid medium is greatly increased in pressure and temperature through frictional heating thereof and then the liquid medium is discharged in a heated, reduced pressure state for use directly or for heat exchange with another fluid. A method of utilizing the heating apparatus is also disclosed.

Abstract: Specifically configured dual rotor, multi-lobed, rotary gas compressors in a piping system will provide clean gas heating and re-circulation that will quickly and efficiently heat a connected process chamber or process piping section. Substantial heat is quickly generated through mechanical agitation of the gas molecules that pass through the inlet and outlet of a dual rotor, multi-lobed, rotary gas compressor. The invention application of a dual rotor, multi-lobed, rotary gas compressor as a means of imparting heat to a gas stream provides an economical source of convective heat for closed and open loop piping applications.

Abstract: A heat generating apparatus having a housing assembly in which a working chamber including a heat generating region for heat generation and a fluid storing region for storing a viscous fluid, and a heat receiving chamber for receiving heat from the heat generating region are formed. The heat generating apparatus also having a rotor element mounted on a drive shaft to be rotated within the working chamber to apply a shearing action to the viscous fluid within the heat generating region. The viscous fluid generates heat when the shearing action is applied thereto so that the heat is transmitted to a heat exchanging liquid flowing through the heat receiving chamber. The heat generating region and fluid storing region communicating through an aperture formed in a partition wall formed in the working chamber, and the aperture having a gas-phase portion, a liquid-phase portion and a liquid supply portion.

Abstract: A viscous fluid type heat generator including a housing assembly in which a heat generating chamber confining therein a heat generative viscous fluid to which a shearing action is applied by a rotor element rotated by a drive shaft, and having inner wall surfaces confronting outer surfaces of the rotor element, the inner wall surfaces of the heat generating chamber and the outer faces of the rotor elements defining a small space in which the heat generative viscous fluid is held, and having fluid movement regulator formed by an elongate recess or ridge formed therein to increase or suppress heat generation of the viscous fluid during the rotation of the rotor element in response to a change in an environmental condition in which the heat generator is used, and a change in an operation condition of the viscous fluid heat generator.

Abstract: A system for the heating of fluids by causing severe turbulence of the fluid within a cavity of a housing. The device utilizes a rotor closely received within a cavity, the rotor mounted upon a rotatable shaft, with the surface of the rotor provided with a plurality of uniformly-spaced recesses oriented at a selected angle to the surface. The shaft is journalled in bearing assemblies and seal units at end walls of the housing, and the shaft is rotated by any suitable motive means. The heated fluid then is stored in any suitable storage facility, or utilized for any desired purpose. The system is provided for heating liquids, such as water, and high solids, or fluid mixtures having a solid constituent, and processing chemicals such as zinc phosphate.

Abstract: A viscous fluid type heat generator having a heat generating chamber in which heat generation by the viscous fluid is carried out in response to the rotation of a rotor element applying a shearing action to the viscous fluid, a heat generation control chamber for containing the viscous fluid to be supplied into the heat generating chamber and receiving the viscous fluid withdrawn from the heat generating chamber so that an ability of quickly increasing and decreasing the heat generating performance of the heat generator is achieved in response to a requirement for a change in the supply of heat to be exchanged with a heat exchanging liquid of a heating system. The heat generator has a fluid supplying passage, a fluid withdrawing passage, a fluid supplying recessed groove in the heat generating chamber, and a subsidiary fluid supplying passageway which are arranged so as to provide a fluid communication between the heat generating chamber and the heat generation control chamber.

Abstract: According to the present invention, when an air-conditioning clutch of a compressor is set on, even if an improvement of a heating capacity by a viscous heater is required, a viscous clutch is turned off not to transmit a rotational driving force of an engine to a rotor of the viscous heater, and further the rotational driving force of the engine is transmitted to the compressor. In this way, a torque applied to the engine E and the V-belt can be reduced, so that a fuel consumption ratio of the engine lowers and a fuel economical performance improves. Further, because an operation of the compressor is intermitted, it is possible to remove a fog of a front windshield, so that a safety of the vehicle travelling can be prevented from being deteriorated.

Abstract: A heating apparatus for a vehicle with a simplified piping structure in a fluid pressure operating system, to a heat exchanger while preventing a pulsation of the operating fluid in the system from being directly transmitted to a cabin, thereby suppressing an occurrence of a noise in the cabin. A fluid pressure operating system includes an oil pump 12 rotated by an engine 21 and an actuator 20 operated by the operating fluid issued from the oil pump 12. A heat exchanger 39 is arranged between an outlet of the oil pump 12 and the actuator 20. Heat generated at the oil pump 12 in the fluid pressure operating system 11 is passed to the engine cooling water at the heat emitter and is used for heating the cabin.

Abstract: An improved viscous heater is disclosed. The viscous heater has a heating chamber accommodating viscous fluid and a rotor. The rotor rotates to shear and heat the viscous fluid. The heating chamber has a pair of inner flat surfaces and an inner peripheral surface. The rotor has a pair of outer flat surfaces that respectively opposes the inner flat surfaces by predetermined gaps and an outer peripheral surface that opposes the inner peripheral surface. The outer peripheral surface has peripheral edge portions each angularly and continuously extending from the outer flat surface. The peripheral edge is chamfered so that the rotor is prevented from interfering with the inner flat surfaces.

Abstract: A viscous fluid type heat generator including a housing assembly in which a heat generating chamber filled with viscous fluid generating heat due to a shearing action applied thereto, and a heat receiving chamber permitting a heat exchanging liquid to receive heat from the heat generating chamber and to carry the heat to an external heating system, a drive shaft rotatably supported by the housing assembly, and rotating a rotor element mounted thereon to apply the shearing action to the viscous fluid within the heat generating chamber, the drive shaft being provided with front and rear ends axially extending from the front and rear ends of the housing assembly, and having front and rear connecting means by which the drive shaft is connected to two different equipments when the viscous fluid type heat generator is mounted in a space extending between the two different equipments.

Abstract: A viscous fluid type heater includes a heating chamber for holding viscous fluid and a rotor located in the heating chamber. A holding chamber is located below the heating chamber to communicate with the heating chamber. A plunger, which is actuated by a solenoid, is movable between a forward position for maximizing the volume of the holding chamber and a rearward position for minimizing the volume of the holding chamber. When the plunger is at the forward position, viscous fluid is discharged from the heating chamber to the holding chamber. When the plunger is at the rearward position, viscous fluid is supplied from the holding chamber to the heating chamber. This allows the load of the heater to be removed or reinstated selectively. In an engine-driven vehicle, the engine can thus started without being hindered by the heater.

Abstract: A heater utilizing fluid frictional heat according to this invention has a structure suitable for realizing the heater in an elongated shape which is capable of being mounted laterally on an automobile engine. A cylindrical shear applying portion being integral with a drive shaft and having an outer circumferential surface in cylindrical form is disposed in a heat generating chamber formed as a cylindrical space. The shear applying portion is machined with the same support arbors as used in machining the drive shaft. Preferably, the drive shaft and the shear applying portion are machined as a one-piece member made of a single rod-like material.