Patent US4909315A successfully refreshed from Google Patents.
US4909315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid heat exchanger for an electronic component
Assignee: Rateze Remote Mgmt LLC
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Filing: 1988-09-30
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Granted: 1990-03-20
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Expires: 2008-09-30
Abstract
Abstract A high performance fluid heat exchanger for cooling an electronic component which includes a housing having a base heat transfer member, a plurality of parallel fins in the housing and center fed concentric inlet and outlet tubes connected to the housing opposite the base for supplying cooling fluid towards the base and to the ends of the fins.
Inventors
- 👤 Richard D. Nelson
- 👤 Omkarnath R. Gupta
- 👤 Dennis J. Herrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:17
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/40; H10W40/43; H10W40/70; H10W40/77; H10W40/776; Y; Y10; Y10S; Y10S165/00; Y10S165/908
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
214 words
A fluid heat exchanger for cooling an electronic component comprising, a housing having a base for receiving heat from an electronic component, a plurality of parallel spaced fins each having a top, bottom, and two ends, said bottoms connected to the base, said fins being perpendicular to the base, the ends of the fins being tapered downwardly and outwardly from the tops to the bottoms for decreasing the pressure drop, and heat transfer to the ends of the fins, a fluid inlet tube communicating with the housing opposite the base and having a longitudinal axis perpendicular to the base, said axis directed toward the fins between the ends of the fins for directing a cooling fluid from the inlet tube towards the fins and the base and towards the ends of the fins, and a fluid outlet in communication with the ends of the fins, the tops of the fins include a recess in communication with the inlet tube for supplying cooling fluid to all of the fins, and a plate on the tops of the fins extending from the inlet tube to the downward taper at the ends of the fins for directing cooling fluid from the inlet tube towards both ends of the fins while minimizing the pressure drops at the ends.
Claim 2
Dependent Claim
214 words
A fluid heat exchanger for cooling an electronic component comprising, a housing having a base for receiving heat from an electronic component, a plurality of parallel spaced fins each having a top, bottom, and two ends, said bottoms connected to the base, said fins being perpendicular to the base, the ends of the fins being tapered downwardly and outwardly from the tops to the bottoms for decreasing the pressure drop, and heat transfer to the ends of the fins, a fluid inlet tube communicating with the housing opposite the base and having a longitudinal axis perpendicular to the base, said axis directed toward the fins between the ends of the fins for directing a cooling fluid from the inlet tube towards the fins and the base and towards the ends of the fins, and a fluid outlet in communication with the ends of the fins, the tops of the fins include a recess in communication with the inlet tube for supplying cooling fluid to all of the fins, and a plate on the tops of the fins extending from the inlet tube to the downward taper at the ends of the fins for directing cooling fluid from the inlet tube towards both ends of the fins while minimizing the pressure drops at the ends.
Claim 3
Dependent Claim
39 words
The apparatus of claim 1 wherein the cross-sectional area of the inlet and outlet tubes are less than the cross-sectional area of the base and the longitudinal axis of the tubes is directed to the center of the base.
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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) | 1993-03-19 | 1993-09-18 | 1994-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-03-19 | 1997-09-18 | 1998-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-03-19 | 2001-09-18 | 2002-03-20 | $7700.00 | Window Closed / Lapsed |