Internal combuston engine having separated cylinder head oil drains and crankcase ventilation passages
Patent
·
OSTI ID:321161
An internal combustion engine includes separated oil drain-back and crankcase ventilation passages. The oil drain-back passages extend from the cylinder head to a position below the top level of oil in the engine`s crankcase. The crankcase ventilation passages extend from passages formed in the main bearing bulkheads from positions above the oil level in the crankcase and ultimately through the cylinder head. Oil dams surrounding the uppermost portions of the crankcase ventilation passages prevent oil from running downwardly through the crankcase ventilation passages. 4 figs.
- Research Organization:
- Midwest Research Institute
- Sponsoring Organization:
- USDOE, Washington, DC (United States); National Renewable Energy Lab., Golden, CO (United States)
- DOE Contract Number:
- AC36-83CH10093
- Assignee:
- Ford Global Technologies, Inc., Dearborn, MI (United States)
- Patent Number(s):
- US 5,852,992/A/
- Application Number:
- PAN: 8-976,940
- OSTI ID:
- 321161
- Country of Publication:
- United States
- Language:
- English
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