Split radiator maximizing entering temperature differential
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F01P-001/06
F01P-001/00
출원번호
US-0787401
(2007-04-16)
등록번호
US-7506618
(2009-03-24)
발명자
/ 주소
Meissner,Alan Paul
Christenson,Jeffrey J.
Chartrand,Randall Lee
Motl,Dennis Michael
출원인 / 주소
IEA, Inc.
대리인 / 주소
Brannen Law Office, LLC
인용정보
피인용 횟수 :
1인용 특허 :
4
초록▼
A heat exchanger is provided for dissipating heat from a dual turbocharged engine. The heat exchanger has a jacket water cooler, and first and second charge air coolers. The three coolers are arranged in parallel enabling each to operate with a maximum temperature differential, and have fronts that
A heat exchanger is provided for dissipating heat from a dual turbocharged engine. The heat exchanger has a jacket water cooler, and first and second charge air coolers. The three coolers are arranged in parallel enabling each to operate with a maximum temperature differential, and have fronts that lie in parallel planes. Charge air from a first turbocharger is directly piped to the first charge air cooler, and charge air from the second turbocharger is directly piped to the second charge air cooler. A first baffle is between and upstream of the first charge air cooler and the jacket water cooler. A second baffle is between and upstream of the second charge air cooler and the jacket water cooler. The baffles can direct selected amounts of air to each of the three coolers and prevent radial convective scrubbing. A fuel oil cooler can also be provided.
대표청구항▼
We claim: 1. A heat exchanger for an engine producing heat with at least one turbocharger charging air into charge air, said heat exchanger comprising: a jacket water cooler for dissipating heat from the engine; a first charge air cooler for cooling the charge air; a first baffle upstream of said j
We claim: 1. A heat exchanger for an engine producing heat with at least one turbocharger charging air into charge air, said heat exchanger comprising: a jacket water cooler for dissipating heat from the engine; a first charge air cooler for cooling the charge air; a first baffle upstream of said jacket water cooler and said first charge air cooler, said first baffle having a first baffle first side and a first baffle second side, a second charge air cooler for cooling the charge air; and a second baffle upstream of said jacket water cooler and said second charge air cooler, said second baffle having a second baffle first side and a second baffle second side, wherein said first charge air cooler and said jacket water cooler operate in parallel, wherein an air mover causes air starting at the ambient air temperature to be divided by said first baffle and independently passes on said first baffle first side through said jacket water cooler and on said first baffle second side through said first charge air cooler, the ambient air temperature creating maximum entering temperature differentials respectively for each of said jacket water cooler and said first charge air cooler, wherein said second charge air cooler and said jacket water cooler operate in parallel, and wherein an air mover causes air starting at the ambient air temperature to be divided by said second baffle and independently passes on said second baffle first side through said jacket water cooler and on said second baffle second side through said second charge air cooler, the ambient air temperature creating maximum entering temperature differentials respectively for each of said jacket water cooler and said second charge air cooler. 2. The heat exchanger of claim 1 wherein: said charge air cooler is a first charge air cooler for cooling charge air from a first turbocharger; said heat exchanger further comprises a second charge air cooler for cooling charge air from a second turbocharger; said baffle is a first baffle and said heat exchanger further comprises a second baffle upstream of said jacket water cooler and said second charge air cooler, and the air mover causes air starting at the ambient air temperature to independently pass through said jacket water cooler, said first charge air cooler and said second charge air cooler. 3. The heat exchanger of claim 2 wherein said jacket water cooler, said first charge air cooler and said second charge air cooler are arranged in parallel alignment. 4. A heat exchanger for an engine producing heat with a first turbocharger charging air into charge air and a second turbocharger charging air into charge air, said heat exchanger comprising: a jacket water cooler for dissipating heat from the engine, said jacket water cooler having a jacket water cooler front surface; a first charge air cooler for cooling the charge air from the first turbocharger, said first charge air cooler having a first charge air cooler front surface that is parallel to said jacket water cooler front surface; a second charge air cooler for cooling the charge air from the second turbocharger, said second charge air cooler having a second charge air cooler front surface that is parallel to said jacket water cooler front surface, a first baffle extending upstream to divide air starting at the ambient air temperature and having a first baffle first side and a first baffle second side, the divided air passing on both of said first baffle first side and said first baffle second side, and accordingly between said first charge air cooler and said jacket water cooler; and a second baffle extending upstream to divide air starting at the ambient air temperature and having a second baffle first side and a second baffle second side, the divided air passing on both of said second baffle first side and said second baffle second side, and accordingly between said second charge air cooler and said jacket water cooler, wherein an air mover causes air entering at the ambient air temperature to independently pass through said jacket water cooler, said first charge air cooler and said second charge air cooler. 5. The heat exchanger of claim 4 wherein: said jacket water cooler has a first side and a second side; and said first charge air cooler is near said first side of said jacket water cooler and said second charge air cooler is near said second side of said jacket water cooler. 6. The heat exchanger of claim 5 wherein: said air mover is a fan; and said first baffle and said second baffle prevent radial convective scrubbing between said first charge air cooler, said jacket water cooler and said second charge air cooler. 7. A heat exchanger for an engine with a first turbocharger and a second turbocharger, said heat exchanger comprising: a jacket water cooling circuit comprising a jacket water cooler for dissipating heat from the engine, said jacket water cooler having an inlet for receiving coolant from the engine and an outlet for returning cooled coolant to the engine; a first charge air cooling circuit comprising a first charge air cooler for cooling the charge air from the first turbocharger, said first charge air cooler having an inlet for receiving charge air from the first turbocharger and an outlet for routing cooled charge air directly to the engine; a second charge air cooling circuit comprising second charge air cooler for cooling the charge air from the second turbocharger, said second charge air cooler having an inlet for receiving charge air from the second turbocharger and an outlet for routing cooled charge air directly to the engine; a first baffle having a first baffle first side and a first baffle second side, said first baffle extending upstream to divide air starting at the ambient air temperature to pass on each of said first baffle first side and said first baffle second side and accordingly between said first charge air cooler and said jacket water cooler; and a second baffle having a second baffle first side and a second baffle second side, said second baffle extending upstream to divide air starting at the ambient air temperature to pass on each of said second baffle first side and said second baffle second side, and accordingly between said second charge air cooler and said jacket water cooler, wherein said jacket water cooling circuit, said first charge air cooling circuit and said second charge air cooling circuit are independent cooling circuits. 8. The heat exchanger of claim 7 wherein: said jacket water cooler has a first side and a second side; said first charge air cooler is near said first side of said jacket water cooler and said first charge air cooling circuit is direct from the first turbocharger to said first charge air cooler; and said second charge air cooler is near said second side of said jacket water cooler and said second charge air cooling circuit is direct from the second turbocharger to said second charge air cooler. 9. The heat exchanger of claim 8 wherein: said jacket water cooler has a front surface; said first charge air cooler has a front surface that is parallel to said front surface of said jacket water cooler; said second charge air cooler has a front surface that is parallel to said front surface of said jacket water cooler; and an air mover causes air at an ambient air temperature to independently pass through said jacket water cooler, said first charge air cooler and said second charge air cooler. 10. A heat exchanger for an engine with a first turbocharger and a second turbocharger, said heat exchanger comprising: a jacket water cooler having a first side and a second side for dissipating heat from the engine; a first charge air cooler near said first side of said jacket water cooler for cooling the charge air from the first turbocharger; a second charge air cooler near said second side of said jacket water cooler for cooling the charge air from the second turbocharger, a first baffle extending upstream to divide air starting at the ambient air temperature and having a first baffle first side and a first baffle second side, the divided air passing on both of said first baffle first side and said first baffle second side, and accordingly between said first charge air cooler and said jacket water cooler; and a second baffle extending upstream to divide air starting at the ambient air temperature and having a second baffle first side and a second baffle second side, the divided air passing on both of said second baffle first side and said second baffle second side, and accordingly between said second charge air cooler and said jacket water cooler, wherein an air mover causes air entering at the ambient air temperature to independently pass through said jacket water cooler, said first charge air cooler and said second charge air cooler, each molecule of air passing only through one of said jacket water cooler, said first charge air cooler and said second charge air cooler to thereby reduce system resistance and increase driving potential of the air mover to move air through said jacket water cooler, said first charge air cooler and said second charge air cooler. 11. The heat exchanger of claim 10 wherein: said jacket water cooler has a front surface; said first charge air cooler has a front surface that is parallel to said front surface of said jacket water cooler; said second charge air cooler has a front surface that is parallel to said front surface of said jacket water cooler; and the air mover causes air at an ambient air temperature to independently pass through said jacket water cooler, said first charge air cooler and said second charge air cooler. 12. A heat exchanger for an engine with a first turbocharger and a second turbocharger, said heat exchanger comprising: a jacket water cooler for dissipating heat from the engine; a first charge air cooler for cooling the charge air from the first turbocharger; a second charge air cooler for cooling the charge air from the second turbocharger; a first baffle having a first baffle first side and a first baffle second side, said first baffle extending upstream; and a second baffle having a first baffle first side and a first baffle second side, said second baffle extending upstream, wherein an air mover drives air in an axial direction towards said heat exchanger, and wherein said first baffle divides air starting at the ambient air temperature to pass on each of said first baffle first side and said first baffle second side, and accordingly between said first charge air cooler and said jacket water cooler, and wherein said second baffle divides air starting at the ambient air temperature to pass on each of said second baffle first side and said second baffle second side, and accordingly between said second charge air cooler and said jacket water cooler. 13. The heat exchanger of claim 12 wherein: said heat exchanger has an outside; said first baffle has a face angled to said outside of said heat exchanger upstream of said first charge air cooler; and said second baffle has a face angled to said outside of said heat exchanger upstream of said second charge air cooler. 14. The heat exchanger of claim 12 wherein: said first baffle has a leading edge that is arched; and said second baffle has a leading edge that is arched. 15. The heat exchanger of claim 12 wherein: the air mover is a fan; and a portion of the air driven by the fan moves in a radial manner, and said first baffle and said second baffle prevent radial convective scrubbing between said first charge air cooler, said jacket water cooler and said second charge air cooler. 16. A heat exchanger for an engine with a first turbocharger and a second turbocharger, said heat exchanger comprising: a jacket water cooler for dissipating heat from the engine; a first charge air cooler for cooling the charge air from the first turbocharger; a second charge air cooler for cooling the charge air from the second turbocharger; a first baffle between said first charge air cooler and said jacket water cooler; and a second baffle between said second charge air cooler and said jacket water cooler, wherein a portion of the air driven by a fan moves in a radial manner, and wherein said first baffle and said second baffle prohibit radial convective scrubbing between said first charge air cooler, said jacket water cooler and said second charge air cooler. 17. The heat exchanger of claim 16 wherein: said heat exchanger has an outside; said first baffle has a face angled to said outside of said heat exchanger upstream of said first charge air cooler; and said second baffle has a face angled to said outside of said heat exchanger upstream of said second charge air cooler. 18. The heat exchanger of claim 16 wherein: a portion of the air driven by the fan moves in an axial direction towards said heat exchanger, said first baffle divides air starting at the ambient air temperature between said first charge air cooler and said jacket water cooler, and said second baffle divides air starting at the ambient air temperature between said second charge air cooler and said jacket water cooler. 19. The heat exchanger of claim 18 wherein the fan causes air starting at the ambient air temperature to independently pass through said jacket water cooler, said first charge air cooler and said second charge air cooler, the ambient air temperature creating maximum entering temperature differentials respectively for each of said jacket water cooler, said first charge air cooler and said second charge air cooler.
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