Patent US4370957A successfully refreshed from Google Patents.
US4370957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Assembly of auxiliary equipment for a water-cooled internal combustion engine
Assignee: Individual
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Filing: 1981-01-26
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Granted: 1983-02-01
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Expires: 2001-01-26
Abstract
Abstract An assembly of auxiliary equipment for a water-cooled internal combustion engine having an oil pump, a water pump and an oil cooler/oil filter unit, wherein the oil pump, water pump and oil cooler/oil filter unit are provided as separate interchangeable subassemblies and are combined and interconnected into a constructional unit that can be mounted on the engine.
Inventors
- 👤 Othmar Skatsche
- 👤 Johann Wagner
- 👤 Bertram Obermayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:24
CPC Classifications
F; F02; F02B; F02B77/00; F02B77/14; F01; F01M; F01M1/00; F01M1/02; F01M11/00; F01M11/03; F01M1/10; F01M2001/1007; F01M2001/1014; F01M2011/031; F01M2011/033; F01M2011/035; F01M2011/036; F01M5/00; F01M5/002; F01P; F01P5/00; F01P5/10; F01P5/12
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
126 words
An assembly of auxiliary equipment for a water-cooled internal combustion engine, having an oil pump, a water pump, an oil cooler/oil filter unit, characterized in that the oil pump, the water pump and the oil cooler/oil filter unit are provided as separate interchangable subassemblies and are combined and interconnected into a constructional unit that can be mounted on the internal combustion engine, and said oil cooler/oil filter unit including a housing provided with a mounting surface for attachment to the internal combustion engine, first and second mating flanges on the housing and on the water pump being fastened together, third and fourth mating flanges on the water pump and on the oil pump being fastened together, and oil and water connecting lines extending through the flanges.
Claim 2
Dependent Claim
126 words
An assembly of auxiliary equipment for a water-cooled internal combustion engine, having an oil pump, a water pump, an oil cooler/oil filter unit, characterized in that the oil pump, the water pump and the oil cooler/oil filter unit are provided as separate interchangable subassemblies and are combined and interconnected into a constructional unit that can be mounted on the internal combustion engine, and said oil cooler/oil filter unit including a housing provided with a mounting surface for attachment to the internal combustion engine, first and second mating flanges on the housing and on the water pump being fastened together, third and fourth mating flanges on the water pump and on the oil pump being fastened together, and oil and water connecting lines extending through the flanges.
Claim 3
Dependent Claim
37 words
The assembly according to claim 1, wherein the oil pump and water pump have housings containing a common drive shaft, and all channels for the supply and discharge of oil and water are mounted in the housings.
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) | 1986-01-31 | 1986-08-02 | 1987-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-01-31 | 1990-08-02 | 1991-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-01-31 | 1994-08-02 | 1995-02-01 | $7700.00 | Window Closed / Lapsed |