US7059308B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling device
Assignee: Mahle Behr GmbH and Co KG
•
Filing: 2003-11-03
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Granted: 2006-06-13
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Expires: 2023-11-03
Abstract
Abstract The invention relates to a device for cooling media or liquids, in particular the inlet air and exhaust gas from a motor vehicle.
Inventors
- 👤 Jochen Eitel
- 👤 Daniel Hendrix
- 👤 Wolfgang Kramer
- 👤 Rainer Lutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:44
CPC Classifications
F; F02; F02B; F02B29/00; F02B29/04; F02B29/0406; F02M; F02M26/00; F02M26/13; F02M26/22; F02M26/23; F02M26/24; F02B29/0425; F02B29/0437; F02B29/045; F02B29/0475; F02B29/0493; F02M26/02; F02M26/04; F02M26/05; F02M26/28; F02M26/42; F02M26/43; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
128 words
An apparatus suitable for cooling charge air and exhaust gas in a motor vehicle with an internal combustion engine, comprising: a first heat exchanger adapted to cool a recirculated exhaust-gas stream; a second heat exchanger adapted to cool the exhaust-gas stream, said second heat exchanger located downstream from the first heat exchanger; and a third heat exchanger adapted to cool a charge-air stream, wherein the apparatus is adapted to combine the exhaust-gas stream and charge-air stream after the exhaust-gas stream has been cooled by the first heat exchanger and the second heat exchanger and after the charge-air stream has been cooled by the third heat exchanger, and wherein the first heat exchanger and the second heat exchanger are separate heat exchangers and are formed as a structural unit.
Claim 2
Independent Claim
128 words
An apparatus suitable for cooling charge air and exhaust gas in a motor vehicle with an internal combustion engine, comprising: a first heat exchanger adapted to cool a recirculated exhaust-gas stream; a second heat exchanger adapted to cool the exhaust-gas stream, said second heat exchanger located downstream from the first heat exchanger; and a third heat exchanger adapted to cool a charge-air stream, wherein the apparatus is adapted to combine the exhaust-gas stream and charge-air stream after the exhaust-gas stream has been cooled by the first heat exchanger and the second heat exchanger and after the charge-air stream has been cooled by the third heat exchanger, and wherein the first heat exchanger and the second heat exchanger are separate heat exchangers and are formed as a structural unit.
Claim 3
Dependent Claim
19 words
The apparatus as claimed in claim 1 , further comprising a valve adapted to control the recirculated exhaust-gas stream.
Claim 4
Dependent Claim
24 words
The apparatus as claimed in claim 1 , further comprising fluid passages that separately route and cool the exhaust gas and the charge air.
Claim 5
Dependent Claim
71 words
The apparatus as claimed in claim 1 , further comprising a mixing chamber that is adapted to combine the exhaust-gas stream and charge-air stream after the exhaust-gas stream has been cooled by the first heat exchanger and the second heat exchanger and after the charge-air stream has been cooled by the third heat exchanger, wherein the mixing chamber comprises a portion of a heat exchanger and is adapted to be cooled.
Claim 6
Dependent Claim
65 words
The apparatus as claimed in claim 1 , further comprising a mixing chamber that is adapted to combine the exhaust-gas stream and charge-air stream after the exhaust-gas stream has been cooled by the first heat exchanger and the second heat exchanger and after the charge-air stream has been cooled by the third heat exchanger, wherein the mixing chamber is part of a heat exchange module.
Claim 7
Dependent Claim
64 words
The apparatus as claimed in claim 1 , further comprising a mixing chamber that is adapted to combine the exhaust-gas stream and charge-air stream after the exhaust-gas stream has been cooled by the first heat exchanger and the second heat exchanger and after the charge-air stream has been cooled by the third heat exchanger, wherein the mixing chamber is part of a heat exchanger.
Claim 8
Dependent Claim
25 words
The apparatus as claimed in claim 6 , wherein the exhaust-gas stream and the charge-air stream are mixed at an inlet of the heat exchanger.
Claim 9
Dependent Claim
26 words
The apparatus as claimed in claim 6 , wherein the exhaust-gas stream and the charge-air stream are mixed at an exit end of the heat exchanger.
Claim 10
Independent Claim
117 words
An apparatus suitable for cooling charge air and exhaust gas in a motor vehicle with an internal combustion engine, comprising: a first heat exchanger adapted to cool a recirculated exhaust-gas stream; a second heat exchanger adapted to cool the exhaust-gas stream; and a third heat exchanger adapted to cool a charge-air stream, wherein the apparatus is adapted to combine the exhaust-gas stream and charge-air stream after the exhaust-gas stream has been cooled by the first heat exchanger and the second heat exchanger and after the charge-air stream has been cooled by the third heat exchanger, and wherein at least two of the first and/or the second and/or the third heat exchanger are formed as a structural unit.
Claim 11
Independent Claim
117 words
An apparatus suitable for cooling charge air and exhaust gas in a motor vehicle with an internal combustion engine, comprising: a first heat exchanger adapted to cool a recirculated exhaust-gas stream; a second heat exchanger adapted to cool the exhaust-gas stream; and a third heat exchanger adapted to cool a charge-air stream, wherein the apparatus is adapted to combine the exhaust-gas stream and charge-air stream after the exhaust-gas stream has been cooled by the first heat exchanger and the second heat exchanger and after the charge-air stream has been cooled by the third heat exchanger, and wherein at least two of the first and/or the second and/or the third heat exchanger are formed as a structural unit.
Claim 12
Dependent Claim
71 words
The apparatus as claimed in claim 9 , further comprising a mixing chamber that is adapted to combine the exhaust-gas stream and charge-air stream after the exhaust-gas stream has been cooled by the first heat exchanger and the second heat exchanger and after the charge-air stream has been cooled by the third heat exchanger, wherein the mixing chamber comprises a portion of a heat exchanger and is adapted to be cooled.
Claim 13
Independent Claim
82 words
An apparatus suitable for cooling charge air and exhaust gas in a motor vehicle with an internal combustion engine, comprising: a first heat exchanger adapted to cool a recirculated exhaust-gas stream; and a second heat exchanger adapted to cool a mixed exhaust-gas/charge-air stream that is formed by combining the exhaust-gas stream cooled by the first heat exchanger with a charge-air stream, wherein the first heat exchanger and the second heat exchanger are separate heat exchangers and are formed as a structural unit.
Claim 14
Independent Claim
82 words
An apparatus suitable for cooling charge air and exhaust gas in a motor vehicle with an internal combustion engine, comprising: a first heat exchanger adapted to cool a recirculated exhaust-gas stream; and a second heat exchanger adapted to cool a mixed exhaust-gas/charge-air stream that is formed by combining the exhaust-gas stream cooled by the first heat exchanger with a charge-air stream, wherein the first heat exchanger and the second heat exchanger are separate heat exchangers and are formed as a structural unit.
Claim 15
Dependent Claim
23 words
The apparatus as claimed in claim 11 , wherein the first heat exchanger and/or the second heat exchanger is fixed to the engine.
Claim 16
Dependent Claim
24 words
The apparatus as claimed in claim 11 , wherein the first heat exchanger and/or the second heat exchanger is integrated in a cooling module.
Claim 17
Dependent Claim
54 words
The apparatus as claimed in claim 11 , further comprising a mixing chamber that is adapted to form the mixed exhaust-gas/charge-air stream by combining the exhaust-gas stream cooled by the first heat exchanger with the charge-air stream, wherein the mixing chamber comprises a portion of a heat exchanger and is adapted to be cooled.
Claim 18
Independent Claim
71 words
An apparatus suitable for cooling charge air and exhaust gas in a motor vehicle with an internal combustion engine, comprising: a first heat exchanger adapted to cool a recirculated exhaust-gas stream; and a second heat exchanger adapted to cool a mixed exhaust-gas/charge-air stream that is formed by combining the exhaust-gas stream cooled by the first heat exchanger with a charge-air stream, wherein the exhaust gas is recirculated upstream of a turbine.
Claim 19
Independent Claim
71 words
An apparatus suitable for cooling charge air and exhaust gas in a motor vehicle with an internal combustion engine, comprising: a first heat exchanger adapted to cool a recirculated exhaust-gas stream; and a second heat exchanger adapted to cool a mixed exhaust-gas/charge-air stream that is formed by combining the exhaust-gas stream cooled by the first heat exchanger with a charge-air stream, wherein the exhaust gas is recirculated upstream of a turbine.
Claim 20
Dependent Claim
54 words
The apparatus as claimed in claim 15 , further comprising a mixing chamber that is adapted to form the mixed exhaust-gas/charge-air stream by combining the exhaust-gas stream cooled by the first heat exchanger with the charge-air stream, wherein the mixing chamber comprises a portion of a heat exchanger and is adapted to be cooled.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2009-06-12 | 2009-12-12 | 2010-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2013-06-12 | 2013-12-12 | 2014-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2017-06-12 | 2017-12-12 | 2018-06-13 | $7700.00 | Window Closed / Lapsed |