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:
Jun. 28, 1988
Filed:
Sep. 25, 1986
Applicant:
Inventor:
Felix Wankel, D-8990 Lindau, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01C / ; F01C / ;
U.S. Cl.
CPC ...
418 91 ; 418101 ; 418168 ;
Abstract
The engagement parts of the external rotor of a single rotation are provided with at least one cooling air duct. The inflow takes place by an inflow duct provided in the casing side plate and which is surrounded by the antifriction bearing mounting the external rotor, while the outflow takes place radially through openings provided in the circumferential wall of the casing.