Patent US5887562A successfully refreshed from Google Patents.
US5887562A
Expired / Lapsed
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Internal-combustion engine with independent module subassembly
Assignee: Mann and Hummel GmbH
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Filing: 1997-07-22
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Granted: 1999-03-30
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Expires: 2017-07-22
Abstract
Abstract An internal-combustion engine has an oil pump, preferably also the cooling water pump, assigned to an independent module which can be mounted separately.
Inventors
- 👤 Goetz Freiherr von Esebeck
- 👤 Rolf Duerrstein
- 👤 Martin Weindorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:02
CPC Classifications
F; F01; F01M; F01M1/00; F01M1/12; F01M11/00; F01M5/00; F01M5/002; F01P; F01P5/00; F01P5/10; F01M1/02; F01M11/03; F01M1/10; F01M2001/1007; F01M2001/1014; F01M2001/123
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
Internal-combustion engine having a cooling circulating system including an oil lubrication system, an oil cooler connected to the cooling circulating system and an oil pan arranged to receive an oil sump, wherein an oil filter, an oil pump, a coolant pump, an initial oil pump, and an intermediate storage device arranged downstream of the initial oil pump between the oil sump and the oil pump, and the oil cooler comprising the oil lubrication system being combined as a subassembly forming an attached independent module of the internal-combustion engine situated outside the oil pan, wherein a drive connection to the internal-combustion engine is assigned to the module, and a drive source comprising the module is operatively arranged for the oil pump and the coolant pump.
Claim 2
Dependent Claim
124 words
Internal-combustion engine having a cooling circulating system including an oil lubrication system, an oil cooler connected to the cooling circulating system and an oil pan arranged to receive an oil sump, wherein an oil filter, an oil pump, a coolant pump, an initial oil pump, and an intermediate storage device arranged downstream of the initial oil pump between the oil sump and the oil pump, and the oil cooler comprising the oil lubrication system being combined as a subassembly forming an attached independent module of the internal-combustion engine situated outside the oil pan, wherein a drive connection to the internal-combustion engine is assigned to the module, and a drive source comprising the module is operatively arranged for the oil pump and the coolant pump.
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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) | 2002-03-29 | 2002-09-28 | 2003-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-03-29 | 2006-09-28 | 2007-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-03-29 | 2010-09-28 | 2011-03-30 | $7700.00 | Window Closed / Lapsed |