US5002117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor vehicle power steering cooler arrangement
Assignee: Motors Liquidation Co
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Filing: 1990-04-02
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Granted: 1991-03-26
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Expires: 2010-04-02
Abstract
Abstract A motor vehicle power steering installation has a heat exchanger mounted in a hollow portion of a motor vehicle frame where air passes through at a velocity higher than that outside the motor vehicle frame.
Inventors
- 👤 Thomas J. Buckley
- 👤 Benigno Cruz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:37
CPC Classifications
B; B62; B62D; B62D5/00; B62D5/06; B62D5/062; Y; Y10; Y10S; Y10S165/00; Y10S165/916; Y10S60/00; Y10S60/912
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
71 words
In combination, a motor vehicle having an engine supporting frame including a hollow portion that is open at opposite ends thereof and through which air normally passes on forward vehicle motion, a power steering pump for pumping hydraulic fluid to effect power steering of the vehicle, and a serpentine tube heat exchanger extending into and out of one open end only of said hollow frame portion for cooling said hydraulic fluid.
Claim 2
Dependent Claim
71 words
In combination, a motor vehicle having an engine supporting frame including a hollow portion that is open at opposite ends thereof and through which air normally passes on forward vehicle motion, a power steering pump for pumping hydraulic fluid to effect power steering of the vehicle, and a serpentine tube heat exchanger extending into and out of one open end only of said hollow frame portion for cooling said hydraulic fluid.
Claim 3
Dependent Claim
72 words
In combination, a motor vehicle having an engine supporting frame including a hollow portion that is open at opposite ends thereof and through which air normally passes on forward vehicle motion, a power steering pump for pumping hydraulic fluid to effect power steering of the vehicle, and a bare serpentine tube heat exchanger extending into and out of one open end only of said hollow frame portion for cooling said hydraulic fluid.
Claim 4
Dependent Claim
72 words
In combination, a motor vehicle having an engine supporting frame including a hollow portion that is open at opposite ends thereof and through which air normally passes on forward vehicle motion, a power steering pump for pumping hydraulic fluid to effect power steering of the vehicle, and a bare serpentine tube heat exchanger extending into and out of one open end only of said hollow frame portion for cooling said hydraulic fluid.
References Cited (Backward Citations)
US657684A
Cited
US1401562A
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FR569546A
Cited
US3478648A
Cited
US3770049A
Cited
JPS59118529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-03-25 | 1994-09-24 | 1995-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-03-25 | 1998-09-24 | 1999-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-03-25 | 2002-09-24 | 2003-03-26 | $7700.00 | Window Closed / Lapsed |