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 dischar
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.
대표청구항▼
1. A heating apparatus connectable to an engine cooling system of a vehicle, the cooling system including a cooling fluid circulating within the cooling system and a heat exchanger for transferring heat from the fluid to an airstream for heating a passenger compartment of the vehicle, the heating ap
1. A heating apparatus connectable to an engine cooling system of a vehicle, the cooling system including a cooling fluid circulating within the cooling system and a heat exchanger for transferring heat from the fluid to an airstream for heating a passenger compartment of the vehicle, the heating apparatus comprising: a hydrodynamic chamber operable to selectively heat the fluid present within an interior region of the hydrodynamic chamber when the heating apparatus is connected to the cooling system, the interior region including a first interior region and a second interior region, the hydrodynamic chamber having at least a first inlet port fluidly connected to a first interior region of the hydrodynamic chamber, and a second inlet port fluidly connected to a second interior region of the hydrodynamic chamber;a recirculating passage fluidly connecting the heat exchanger to the first inlet port; anda supply passage fluidly connecting the cooling system to the second inlet port. 2. The heating apparatus of claim 1 further comprising: a stator;a rotor coaxially aligned with and positioned adjacent the stator, the rotor operably rotatable relative to the stator, the rotor and stator at least partially defining the interior region of the hydrodynamic chamber;a shaft attached to the rotor for concurrent rotation therewith; andmeans for rotatably driving the shaft. 3. The heating apparatus of claim 2, wherein the drive means comprises a sheave operably connected to the shaft for co-rotation therewith, the sheave operably engageable with a crankshaft of an engine of the vehicle. 4. The heating apparatus of claim 3, wherein the drive means further comprises a clutch for selectively engaging the sheave with the shaft. 5. The heating apparatus of claim 4 further comprising a control device operably connected to the clutch for selectively controlling the operation of the clutch. 6. The heating apparatus of claim 2, wherein the drive means comprises an electric motor. 7. The heating apparatus of claim 2 further comprising: a control device for controlling the operation of the heating apparatus; anda rotational speed sensor operable to detect a rotational speed of the rotor, the speed sensor in operable communication with the control device and configured to send a signal to the control device indicative of the rotational speed of the rotor. 8. The heating apparatus of claim 1 further comprising a vent passage fluidly connected to the hydrodynamic chamber for venting the hydrodynamic chamber to atmosphere. 9. The heating apparatus of claim 1 further comprising a control valve having an inlet fluidly connected to a discharge port of the heat exchanger, a first exit port fluidly connected to the recirculating passage, and a second exit port fluidly connected to a return passage that is fluidly connectable to the engine cooling system, wherein the control valve is operable to selectively apportion fluid received from the heat exchanger between the return passage and the recirculating passage. 10. The heating apparatus of claim 9, wherein the control valve is selectively adjustable to direct substantially all of the fluid received from the heat exchanger to the return passage when the hydrodynamic chamber is not operating. 11. The heating apparatus of claim 9 further comprising a control device in operable communication with the control valve, the control device configured to send a control signal to the control valve for controlling the distribution of the fluid between the return passage and the recirculating passage. 12. The heating apparatus of claim 9, wherein the control valve is operable to cause a predetermined quantity of the fluid received from the heat exchanger to be directed through the recirculating passage to the hydrodynamic chamber when operating the hydrodynamic chamber. 13. The heating apparatus of claim 1 further comprising: a control device for controlling the operation of the heating apparatus; anda temperature sensor in fluid contact with the fluid present in the recirculating passage, the temperature sensor in operable communication with the control device and configured to send a signal to the control device indicative of the temperature of the fluid. 14. The heating apparatus of claim 1 further comprising: an engine pulley attachable to a crankshaft of an engine for concurrent rotation therewith; anda housing attached to the engine pulley for concurrent rotation therewith. 15. The apparatus of claim 14, wherein the housing is at least partially disposed within an interior space defined by an outer extremity of the pulley. 16. The apparatus of claim 14, wherein the housing is entirely disposed within an interior space defined by an outer extremity of the pulley. 17. The apparatus of claim 14, wherein the liquid heat generator further comprises a stator and a rotor positioned adjacent a first side of the stator, the rotor attached to the housing for concurrent rotation therewith. 18. The apparatus of claim 17, wherein the liquid heat generator further comprises a second rotor positioned adjacent a second side of the stator, the second rotor attached to the housing for concurrent rotation therewith. 19. The apparatus of claim 18, wherein the stator and the first rotor define a first cavity and the stator and the second rotor define a second cavity, the first cavity fluidly connected to the second cavity. 20. The heating apparatus of claim 1 further comprising a discharge passage for fluidly connecting the hydrodynamic chamber to the heat exchanger. 21. The heating apparatus of claim 20 further comprising a bypass passage fluidly connecting the supply passage to the discharge passage. 22. The heating apparatus of claim 21, wherein the bypass passage comprises a check valve operable to substantially prevent fluid from traveling from the discharge passage to the supply passage. 23. The heating apparatus of claim 21, wherein substantially the entire quantity of the fluid passing through the supply passage passes through the hydrodynamic chamber when the heating apparatus is connected to the cooling system and the hydrodynamic chamber is operating. 24. The heating apparatus of claim 21, wherein at least a portion of the fluid entering the heating apparatus through the supply passage passes through the bypass passage when the hydrodynamic chamber is not operating. 25. The heating apparatus of claim 20 further comprising: a control device for controlling the operation of the heating apparatus; anda pressure sensor in fluid contact with the fluid present in the discharge passage, the pressure sensor in operable communication with the control device and configured to send a signal to the control device indicative of the pressure of the cooling fluid. 26. The heating apparatus of claim 1 further comprising a return passage for fluidly connecting the recirculating passage to the engine cooling system, wherein fluid passing through the return passage is transferred to the engine cooling system. 27. A heating system for providing heat to a passenger compartment of a vehicle, the heating system comprising: an engine;an engine cooling system fluidly connected to the engine and including a fluid for cooling the engine;a hydrodynamic chamber having at least a first inlet port fluidly connected to a first interior region of the hydrodynamic chamber and a second inlet port fluidly connected to a second interior region of the hydrodynamic chamber, the hydrodynamic chamber selectively operable for heating the fluid present within the hydrodynamic chamber;a heat exchanger operable for transferring heat from the cooling fluid to an airstream deliverable to the passenger compartment;a supply passage fluidly connecting the cooling system to the second inlet port of the hydrodynamic chamber; anda recirculating passage fluidly connecting the heat exchanger to the first inlet port of the hydrodynamic chamber. 28. The heating system of claim 27 further comprising: a stator;a rotor positioned adjacent the stator, the rotor being operably rotatable relative to the stator, the stator and rotor at least partially defining the first and second interior regions of the hydrodynamic chamber;a shaft attached to the rotor for concurrent rotation therewith; andmeans for rotatably driving the shaft. 29. The heating system of claim 28, wherein the engine comprises a crankshaft operably connected to the drive means for concurrent rotation therewith, the drive means configured for selectable disengagement to enable the crankshaft to rotate independent of the shaft. 30. The heating system of claim 28 further comprising a control device operably connected to the drive means, wherein the drive means is operable in response to a signal received from the control device. 31. The heating system of claim 28 further comprising an expansion tank and a vent passage fluidly connecting the hydrodynamic chamber to the expansion tank. 32. The heating system of claim 28 further comprising: a control device for controlling the operation of the liquid heat generator; anda rotational speed sensor operable to detect a rotational speed of the rotor, the speed sensor in operable communication with the control device and configured for sending a signal to the control device indicative of the rotational speed of the rotor. 33. The heating system of claim 27 further comprising a control valve having an inlet port fluidly connected to a discharge port of the heat exchanger, a first exit port fluidly connected to the recirculating passage, and a second exit port fluidly connected to the engine cooling system, wherein the control valve is operable for selectively distributing the cooling fluid received from the heat exchanger between the recirculating passage and the engine cooling system. 34. The heating system of claim 33 further comprising a water pump operable for circulating the fluid present within the engine cooling system, the water pump having an inlet fluidly connected to the second exit port of the control valve. 35. The heating system of claim 33 wherein the control valve is selectively adjustable to direct substantially all of the cooling fluid received from the heat exchanger to the engine cooling system. 36. The heating system of claim 33, wherein the control valve is selectively adjustable to direct substantially all of the cooling fluid received from the heat exchanger to the recirculating passage. 37. The heating system of claim 33 further comprising a control device in operable communication with the control valve, the control device configured for sending a control signal to the control valve for controlling the distribution of the cooling fluid between the engine cooling system and the recirculating passage. 38. The heating system of claim 27 further comprising a discharge passage fluidly connecting the hydrodynamic chamber to the heat exchanger and a bypass passage fluidly connecting the supply passage to the discharge passage. 39. The heating system of claim 38, wherein the bypass passage comprises a check valve operable to substantially prevent cooling fluid from flowing from the discharge passage to the supply passage. 40. The heating system of claim 38, wherein substantially all of the cooling fluid passing through the supply passage is discharged into the hydrodynamic chamber when the hydrodynamic chamber is operating. 41. The heating system of claim 38, wherein at least a portion of the cooling fluid passing through the supply passage also passes through the bypass passage when the hydrodynamic chamber is not operating. 42. The heating system of claim 27 further comprising: a control device for controlling the operation of the liquid heat generator; anda temperature sensor in fluid contact with the cooling fluid present in the recirculating passage, the temperature sensor in operable communication with the control device and operable for sending a signal to the control device indicative of the temperature of the cooling fluid. 43. The heating system of claim 27 further comprising: a control device for controlling the operation of the liquid heat generator;a discharge passage fluidly connecting the hydrodynamic chamber to the heat exchanger; anda pressure sensor in fluid contact with the cooling fluid present in the discharge passage, the pressure sensor in operable communication with the control device and operable for sending a signal to the control device indicative of the pressure of the cooling fluid.
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이 특허에 인용된 특허 (97)
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