The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 21, 2002
Filed:
Sep. 28, 2001
Applicant:
Inventors:
Peter J. Dowding, Bloomfield Hills, MI (US);
Darrell Charles Drouillard, Tecumseh, CA;
Assignee:
Ford Global Technologies, Inc., Dearborn, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 2/502 ;
U.S. Cl.
CPC ...
F02M 2/502 ;
Abstract
An intake manifold for an internal combustion engine is provided which has an intake venturi passage for throttled passage of filtered air into a plenum . A crankcase ventilation passage is provided having a first end intersecting with the venturi passage and a second end intersecting with an outer boundary of the manifold. A heat pipe is adjacent a major portion of the crankcase ventilation passage between the first and second ends for transfer of thermal energy to prevent freeze up in the crankcase ventilation passage