Patent US4592418A successfully refreshed from Google Patents.
US4592418A
Expired / Lapsed
US
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Degassing device for a fluid circulating in a heat exchanger
Assignee: Valeo SE
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Filing: 1984-03-06
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Granted: 1986-06-03
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Expires: 2004-03-06
Abstract
Abstract In a heat exchanger with fluid flow tubes, a degassing device formed in a water box of the exchanger, said water box including first and second collecting chambers and a compensation chamber, communicating with the outlet pipe of the exchanger, and a narrow passage connecting the upper portion of the first collecting chamber with the compensation chamber by forming a siphon between said two chambers.
Inventors
- 👤 Patrick Cadars
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:02
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/02; F28F9/0231; B; B01; B01D; B01D19/00; B01D19/0042; F01; F01P; F01P11/00; F01P11/02; F01P11/028
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
113 words
A degassing device for a cooling fluid circuit, comprising a heat exchanger including a water box in which are defined a collecting chamber and a compensation chamber separated by a wall and communicating with each other via a lower passage and an upper passage, said upper passage extending substantially vertically along said wall from the upper portion of the collecting chamber and opening into the compensation chamber through a first port formed in said wall under the level of fluid present in said compensation chamber, said upper passage being a channel formed by molding into the thickness of said wall and communicating with the collecting chamber via a second port in said wall.
Claim 2
Dependent Claim
113 words
A degassing device for a cooling fluid circuit, comprising a heat exchanger including a water box in which are defined a collecting chamber and a compensation chamber separated by a wall and communicating with each other via a lower passage and an upper passage, said upper passage extending substantially vertically along said wall from the upper portion of the collecting chamber and opening into the compensation chamber through a first port formed in said wall under the level of fluid present in said compensation chamber, said upper passage being a channel formed by molding into the thickness of said wall and communicating with the collecting chamber via a second port in said wall.
Claim 3
Dependent Claim
17 words
A device according to claim 1, wherein the upper passage forms a siphon between the two chambers.
Claim 4
Dependent Claim
25 words
A device according to claim 1, wherein the opening of the upper passage into the compensation chamber comprises means for guiding upwardly the gas bubbles.
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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) | 1989-06-02 | 1989-12-02 | 1990-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-02 | 1993-12-02 | 1994-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-02 | 1997-12-02 | 1998-06-03 | $7700.00 | Window Closed / Lapsed |