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Title: Internal combuston engine having separated cylinder head oil drains and crankcase ventilation passages

Abstract

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.

Inventors:
 [1];  [2];  [3];  [4]
  1. (Bloomfield Hills, MI)
  2. (Plymouth, MI)
  3. (Erfstadt, DE)
  4. (Ann Arbor, MI)
Issue Date:
Research Org.:
Midwest Research Institute; National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
872061
Patent Number(s):
5852992
Application Number:
08/976,940
Assignee:
Ford Global Technologies, Inc. (Dearborn, MI) NREL
DOE Contract Number:  
AC36-83CH10093
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
internal; combuston; engine; separated; cylinder; head; oil; drains; crankcase; ventilation; passages; combustion; drain-back; extend; position; below; top; level; formed; main; bearing; bulkheads; positions; ultimately; dams; surrounding; uppermost; portions; prevent; running; downwardly; passages formed; ventilation passages; internal combustion; combustion engine; cylinder head; crankcase ventilation; separated oil; oil drain-back; passages extend; /123/184/

Citation Formats

Boggs, David Lee, Baraszu, Daniel James, Foulkes, David Mark, and Gomes, Enio Goyannes. Internal combuston engine having separated cylinder head oil drains and crankcase ventilation passages. United States: N. p., 1998. Web.
Boggs, David Lee, Baraszu, Daniel James, Foulkes, David Mark, & Gomes, Enio Goyannes. Internal combuston engine having separated cylinder head oil drains and crankcase ventilation passages. United States.
Boggs, David Lee, Baraszu, Daniel James, Foulkes, David Mark, and Gomes, Enio Goyannes. Thu . "Internal combuston engine having separated cylinder head oil drains and crankcase ventilation passages". United States. https://www.osti.gov/servlets/purl/872061.
@article{osti_872061,
title = {Internal combuston engine having separated cylinder head oil drains and crankcase ventilation passages},
author = {Boggs, David Lee and Baraszu, Daniel James and Foulkes, David Mark and Gomes, Enio Goyannes},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1998},
month = {1}
}

Patent:

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