US4632080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil addition apparatus
Assignee: The Huntington Library, Art Museum, and Botanical Gardens
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Filing: 1985-09-17
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Granted: 1986-12-30
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Expires: 2005-09-17
Abstract
Abstract A novel oil addition device which is operable on vehicles frequently maintained in operational condition on unlevel surfaces for extended periods of time.
Inventors
- 👤 Erwin E. Hurner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:09
CPC Classifications
F; F01; F01M; F01M11/00; F01M11/10; F01M11/04; F01M11/0458; F01M11/06; F01M11/061; F01M11/12; F01P; F01P11/00; F01P11/14; F01P11/18; F02; F02B; F02B77/00; F02B77/08; F01M2011/0466; F02B3/00; F02B3/06
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
79 words
In an internal combustion engine having an ignition system and a lubrication system to lubricate parts of said engine including an oil pan, the improvement, comprising: a reservoir of fresh lubricating oil; conduit means for establishing fluid communication between said reservoir and said oil pan; valve means for opening and closing said conduit means; and control means for said valve means to establish fluid communication between said reservoir and said oil pan responsive to deactication of said ignition system.
Claim 2
Dependent Claim
79 words
In an internal combustion engine having an ignition system and a lubrication system to lubricate parts of said engine including an oil pan, the improvement, comprising: a reservoir of fresh lubricating oil; conduit means for establishing fluid communication between said reservoir and said oil pan; valve means for opening and closing said conduit means; and control means for said valve means to establish fluid communication between said reservoir and said oil pan responsive to deactication of said ignition system.
Claim 3
Dependent Claim
42 words
The improvement according to claim 1 wherein said control means comprises a timer to activate said valve means to establish fluid communication between said reservoir and said oil pan after a first predetermined period of time after deactivation of said ignition system.
Claim 4
Dependent Claim
42 words
The improvement according to claim 2 wherein said control means further includes means to deactivate said valve means to prevent fluid communication between said reservoir and said oil pan after a second predetermined period of time after deactivation of said ignition system.
Claim 5
Dependent Claim
31 words
The improvement according to claim 3 further comprising a chamber in fluid communication with said oil pan and a level monitor within said chamber established at a predetermined desired oil level.
Claim 6
Dependent Claim
30 words
The improvement according to claim 4 further comprising communication between said monitor and said control means to deactivate and close said valve means upon establishment of said desired oil level.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-12-29 | 1990-06-30 | 1990-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-12-29 | 1994-06-30 | 1994-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-12-29 | 1998-06-30 | 1998-12-30 | $7700.00 | Window Closed / Lapsed |