Condenser, radiator, and fan module with Rankine cycle fan
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F25B-027/00
B60H-001/00
B60H-001/32
출원번호
US-0077180
(2008-03-17)
등록번호
US-8327654
(2012-12-11)
발명자
/ 주소
Taylor, Dwayne Robert
출원인 / 주소
DENSO International America, Inc.
대리인 / 주소
Harness, Dickey & Pierce, P.L.C.
인용정보
피인용 횟수 :
1인용 특허 :
52
초록▼
An apparatus to rotate a cooling fan may employ an engine coolant radiator having a radiator inlet tank attached at an end of the radiator. The radiator inlet tank may be filled with engine coolant and transfer heat into a fan system evaporator contained inside the radiator inlet tank. The tank may
An apparatus to rotate a cooling fan may employ an engine coolant radiator having a radiator inlet tank attached at an end of the radiator. The radiator inlet tank may be filled with engine coolant and transfer heat into a fan system evaporator contained inside the radiator inlet tank. The tank may contain a liquid working fluid capable of absorbing heat from the engine coolant and becoming a gaseous working fluid. A gas expander with an impeller may be employed to receive the gaseous working fluid from the fan system evaporator and impart rotation in a shaft to which the impeller of the gas expander and cooling fan is attached. A fan system condenser may receive the gaseous working fluid from the gas expander and condense the gaseous working fluid to form a liquid working fluid. A pump pumps the liquid working fluid back to the fan system evaporator.
대표청구항▼
1. A cooling fan apparatus, the apparatus comprising: a radiator retaining engine coolant, the radiator having a radiator inlet tank;a cooling fan directing air flow through the radiator;a fan system evaporator residing within the radiator inlet tank, the fan system evaporator retaining a working fl
1. A cooling fan apparatus, the apparatus comprising: a radiator retaining engine coolant, the radiator having a radiator inlet tank;a cooling fan directing air flow through the radiator;a fan system evaporator residing within the radiator inlet tank, the fan system evaporator retaining a working fluid different from the engine coolant; andan expander receiving the working fluid from the fan system evaporator to impart rotation to an impeller of the expander to drive the cooling fan. 2. The apparatus of claim 1, further comprising: a shaft, the shaft connected to the impeller and the cooling fan to transfer energy to the cooling fan; anda working fluid pump, the pump driven by the shaft. 3. The apparatus of claim 1, further comprising: a fan system condenser, the fan system condenser receiving the working fluid from the expander to effect a phase change in the working fluid; anda pump, the pump receiving the working fluid from the fan system condenser and pumping the working fluid into the fan system evaporator. 4. The apparatus of claim 1, further comprising: a shaft, the shaft connected to the impeller and the cooling fan to transfer energy to the cooling fan;a fan system condenser, the fan system condenser receiving the working fluid from the expander to effect a phase change in the working fluid; anda working fluid pump, the pump driven by the shaft move the working fluid into the fan system evaporator. 5. The apparatus of claim 1, wherein the fan draws air through the fan system condenser and the radiator. 6. A cooling fan apparatus, the apparatus comprising: a radiator having a radiator inlet tank attached at a first end of the radiator, the radiator inlet tank filled with an engine coolant;a cooling fan directing air flow through the radiator;a fan system evaporator disposed inside the radiator inlet tank, the fan system evaporator containing a liquid working fluid capable of absorbing heat from the engine coolant such that the liquid working fluid becomes a gaseous working fluid;a gas expander receiving the gaseous working fluid from the fan system evaporator;a fan system condenser receiving the gaseous working fluid from the gas expander and condensing the gaseous working fluid to form the liquid working fluid;a pump receiving the liquid working fluid from the fan system condenser and pumping the liquid working fluid into the fan system evaporator; anda shaft that is driven by the gas expander to drive the cooling fan. 7. The apparatus of claim 6, further comprising: an air conditioning condenser, wherein the cooling fan draws air through the fan system condenser and the air conditioning condenser. 8. The apparatus of claim 7, further comprising: an electric cooling fan arranged such that the electric cooling fan pushes air through the fan system condenser and the air conditioning condenser. 9. The apparatus of claim 8, wherein the gas expander and the pump are contained within a common housing and mounted to the shaft. 10. The apparatus of claim 6, wherein the fan system evaporator is completely disposed inside the radiator inlet tank. 11. The apparatus of claim 6, wherein the shaft that drives the cooling fan also drives the pump. 12. A cooling fan apparatus, the apparatus comprising: a radiator having a radiator inlet tank attached at a first end of the radiator, the radiator inlet tank filled with an engine coolant;a cooling fan directing air flow through the radiator;a fan system evaporator disposed inside the radiator inlet tank, the fan system evaporator containing a liquid working fluid capable of absorbing heat from the engine coolant such that the liquid working fluid becomes a gaseous working fluid;a gas expander receiving the gaseous working fluid from the fan system evaporator;a fan system condenser receiving the gaseous working fluid from the gas expander and condensing the gaseous working fluid to form the liquid working fluid;a pump receiving the liquid working fluid from the fan system condenser and pumping the liquid working fluid into the fan system evaporator;an air conditioning condenser, wherein the cooling fan directs air through the fan system condenser and the air conditioning condenser; anda shaft coupled to the cooling fan and the pump, the shaft driven by the gas expander. 13. The apparatus of claim 12, further comprising: an electric cooling fan arranged such that the electric cooling fan will push air through the fan system condenser and the air conditioning condenser. 14. The apparatus of claim 12, wherein: the air conditioning condenser is positioned relative to the fan system condenser such that the cooling fan directs air through both condensers in a parallel fashion. 15. The apparatus of claim 12, wherein: the air-conditioning condenser is positioned relative to the fan system condenser such that the cooling fan directs air through both condensers in a serial fashion. 16. The apparatus of claim 12, wherein the gas expander and the pump are contained within a common housing and mounted to the shaft. 17. The apparatus of claim 16, wherein the fan system evaporator is completely disposed inside the radiator inlet tank. 18. The apparatus of claim 12, wherein the fan system evaporator is completely disposed inside the radiator inlet tank.
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