Intake air cooler for dual-state turbocharging turbocompressed heat engine and corresponding air circuit
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02B-033/44
F02B-033/00
F02B-029/04
F28F-027/02
F28F-009/02
F28F-009/26
F28F-009/22
출원번호
US-0915811
(2006-05-24)
등록번호
US-8186159
(2012-05-29)
우선권정보
FR-05 05469 (2005-05-31)
국제출원번호
PCT/FR2006/001191
(2006-05-24)
§371/§102 date
20080725
(20080725)
국제공개번호
WO2006/128995
(2006-12-07)
발명자
/ 주소
Martins, Carlos
Potier, Michel
출원인 / 주소
Valeo Systemes Thermiques
대리인 / 주소
Howard & Howard Attorneys PLLC
인용정보
피인용 횟수 :
2인용 특허 :
8
초록▼
The intake air cooler of the invention comprises a first cooling stage (24) and a second cooling stage (26) grouped in a single heat exchanger housing (30) and sharing a common heat exchanger bundle (28) accommodated in the housing and traversed by a cooling liquid. Application to turbocharged inter
The intake air cooler of the invention comprises a first cooling stage (24) and a second cooling stage (26) grouped in a single heat exchanger housing (30) and sharing a common heat exchanger bundle (28) accommodated in the housing and traversed by a cooling liquid. Application to turbocharged internal combustion engines for motor vehicles.
대표청구항▼
1. An intake air cooler for a dual-stage turbocharged internal combustion engine, characterized in that it comprises a first cooling stage (24) and a second cooling stage (26) traversed by intake air and grouped together in a single heat exchanger housing (30) and sharing a common heat exchanger bun
1. An intake air cooler for a dual-stage turbocharged internal combustion engine, characterized in that it comprises a first cooling stage (24) and a second cooling stage (26) traversed by intake air and grouped together in a single heat exchanger housing (30) and sharing a common heat exchanger bundle (28), accommodated in the heat exchanger housing (30) and traversed by a cooling liquid; the first cooling stage (24) and the second cooling stage (26) respectively comprising a first conduit (40) and a second conduit (42) separated by a partition (44) and each having an inlet (50; 54) and an outlet (52; 56) for the intake air and wherein the heat exchanger bundle (28) comprises a first part (58) and a second part (60) accommodated respectively in the first conduit (40) and the second conduit (42);wherein the partition (44) comprises a fixed part (74) and at least one mobile part (76) movable between a first position in which the first conduit (40) and the second conduit (42) are isolated and a second position in which the first conduit (40) and the second conduit (42) communicate. 2. The intake air cooler as claimed in claim 1, characterized in that the inlet (50) and the outlet (52) of the first conduit (40) are respectively opposite the inlet (54) and the outlet (56) of the second conduit (42) so that the intake air flows therein in opposite directions, and in that the heat exchanger bundle (28) is arranged so that the cooling liquid flows in succession in the first part (58) and the second part (60) of the bundle. 3. The intake air cooler as claimed in claim 2, characterized in that the heat exchanger bundle (28) is arranged so that the cooling liquid flows in the opposite direction to the intake air both in the first part (58) and in the second part (60) of the heat exchanger bundle (28). 4. The intake air cooler as claimed in claim 3, characterized in that the partition (44) is formed by the housing (30) and/or the bundle (28). 5. The intake air cooler as claimed in claim 1, characterized in that the inlet (50) and the outlet (52) of the first conduit (40) are respectively on the same side as the inlet (54) and the outlet (56) of the second conduit (42), so that the intake air flows therein in the same direction, and in that the heat exchanger bundle (28) is arranged so that the cooling liquid flows simultaneously in the first part (58) and the second part (60) of the heat exchanger bundle (28). 6. The intake air cooler as claimed in claim 5, characterized in that the heat exchanger bundle (28) is arranged so that the cooling liquid flows in the opposite direction to the intake air both in the first part (58) and in the second part (60) of the heat exchanger bundle (28). 7. The intake air cooler as claimed in claim 5, characterized in that the partition (44) is formed by the housing (30) and/or the bundle (28). 8. The intake air cooler as claimed in claim 1, characterized in that the heat exchanger bundle (28) comprises a stack of plates (62) and corrugated inserts (64) bounding cooling liquid flow streams alternating with intake air flow channels. 9. The intake air cooler as claimed in claim 8, characterized in that the cooling liquid flow streams, each formed between two contiguous plates (62), bound a flow path having at least one U-shape. 10. The intake air cooler as claimed in claim 1, characterized in that the partition (44) is formed by the housing (30) and/or the bundle (28). 11. The intake air cooler as claimed in claim 10, characterized in that the partition (44) is a fixed partition. 12. The intake air cooler as claimed in claim 10, characterized in that the partition (44) comprises a fixed part (74) and at least one mobile part (76) movable between a first position in which the first conduit (40) and the second conduit (42) are isolated and a second position in which the first conduit (40) and the second conduit (42) communicate. 13. The intake air cooler as claimed in claim 1, characterized in that the partition (44) is a fixed partition. 14. The intake air cooler as claimed in claim 1, characterized in that the respective air inlets (50; 54) of the first conduit (40) and the second conduit (42) are placed at opposite ends of the heat exchanger housing, and in that the partition comprises a single mobile part (76) located at one of the ends of the heat exchanger housing. 15. The intake air cooler as claimed in claim 1, characterized in that the respective air inlets (50; 54) of the first conduit (40) and the second conduit (42) are placed at the same end of the heat exchanger housing, and in that the partition comprises two mobile parts (76) located respectively at the two ends of the heat exchanger housing. 16. The intake air cooler as claimed in claim 1, characterized in that the mobile part (76) is a pivoting flap. 17. An intake air circuit for a dual-stage turbocharged internal combustion engine, comprising a low pressure upstream compressor (18) and a high pressure downstream compressor (22), characterized in that it further comprises an intake air cooler (20) according to claim 1, whereof the first cooling stage (24) is inserted between the upstream compressor and the downstream compressor, while the second cooling stage (26) is connected at the outlet of the downstream compressor. 18. The intake air circuit as claimed in claim 17, in which the intake air cooler (20) is equipped with a partition having at least one mobile part (76) movable between a first position which isolates and a second position which enables communication, characterized in that, in the first position, the intake air is passing in succession through the upstream compressor (18), the first cooling stage (24), the downstream compressor (22), then the second cooling stage (26), while, in the second position, the intake air is passing in succession through the upstream compressor (18), the first cooling stage (24), then the second cooling stage (26), while circumventing the downstream compressor (22). 19. The intake air cooler as claimed in claim 1, characterized in that the heat exchanger bundle (28) comprises a stack of plates (62) and corrugated inserts (64) bounding cooling liquid flow streams alternating with intake air flow channels. 20. An intake air cooler for a dual-stage turbocharged internal combustion engine, characterized in that it comprises a first cooling stage (24) and a second cooling stage (26) traversed by intake air and grouped together in a single heat exchanger housing (30) and sharing a common heat exchanger bundle (28), accommodated in the heat exchanger housing (30) and traversed by a cooling liquid; the first cooling stage (24) and the second cooling stage (26) respectively comprising a first conduit (40) and a second conduit (42) separated by a partition (44) and each having an inlet (50; 54) and an outlet (52; 56) for the intake air and wherein the heat exchanger bundle (28) comprises a first part (58) and a second part (60) accommodated respectively in the first conduit (40) and the second conduit (42);wherein the partition (44) is formed by the housing (30) and/or the bundle (28)wherein the partition (44) comprises a fixed part (74) and at least one mobile part (76) movable between a first position in which the first conduit (40) and the second conduit (42) are isolated and a second position in which the first conduit (40) and the second conduit (42) communicate. 21. An intake air circuit for a dual-stage turbocharged internal combustion engine, comprising a low pressure upstream compressor (18), a high pressure downstream compressor (22), and an intake air cooler (20), the air intake cooler comprising a first cooling stage (24) and a second cooling stage (26) traversed by intake air and grouped together in a single heat exchanger housing (30) and sharing a common heat exchanger bundle (28), accommodated in the heat exchanger housing (30) and traversed by a cooling liquid;the first cooling stage (24) and the second cooling stage (26) respectively comprising a first conduit (40) and a second conduit (42) separated by a partition (44) and each having an inlet (50; 54) and an outlet (52; 56) for the intake air and wherein the heat exchanger bundle (28) comprises a first part (58) and a second part (60) accommodated respectively in the first conduit (40) and the second conduit (42);wherein the intake air cooler (20) is equipped with a partition having at least one mobile part (76) movable between a first position which isolates and a second position which enables communication, characterized in that, in the first position, the intake air is passing in succession through the upstream compressor (18), the first cooling stage (24), the downstream compressor (22), then the second cooling stage (26), while, in the second position, the intake air is passing in succession through the upstream compressor (18), the first cooling stage (24), then the second cooling stage (26), while circumventing the downstream compressor (22); andwherein the first cooling stage (24) is inserted between the upstream compressor and the downstream compressor, while the second cooling stage (26) is connected at the outlet of the downstream compressor.
Hinkle Stanley J. (Union Lake MI) Dildine Dean M. (Birmingham MI), Engine charging system with dual function charge supplying and charge cooling blower.
Quix, Hans Guenter; Sommerhoff, Franz Arnd; Kuske, Andreas, Supercharged internal combustion engine and method for operating an internal combustion engine of said type.
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