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:
Jul. 24, 2007
Filed:
Oct. 08, 2004
Applicants:
Teng-hua Shieh, Ann Arbor, MI (US);
Wei Liu, Canton, MI (US);
Inventors:
Teng-Hua Shieh, Ann Arbor, MI (US);
Wei Liu, Canton, MI (US);
Assignee:
Toyota Technical Center USA, Inc, Ann Arbor, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
F01M 13/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An oil separator is provided for removing oil from crankcase ventilation gases of an internal combustion engine. The oil separator includes a housing and a spiral shaped wall. The housing includes an inlet and an outlet. The spiral wall defines a spiral path for guiding the ventilation gases between the inlet and outlet of the housing. The spiral path has a width that decreases at a predetermined constant rate between the inlet and outlet of the housing.