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:
Mar. 09, 1976
Filed:
Dec. 21, 1973
Applicant:
Inventor:
Werner Wieland, Obereisesheim, DT;
Assignees:
Audi NSU Auto Union Aktiengesellschaft, Neckarsulm, DT;
Wankel GmbH, Lindau, DT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01C / ; F01C / ;
U.S. Cl.
CPC ...
418 60 ; 418 / ; 418 83 ; 418178 ;
Abstract
A housing for circular piston combustion engines of trochoid type is produced with at least one annular shell having an inner peripheral wall in the shape of a multi-arcuate trochoid, an outer peripheral wall, and end walls parallel to each other and adjoined to the ends of the shell, end pieces parallel to each other having end walls parallel to each other and an inner and an outer peripheral wall. In the case of a multiple engine at least one end piece constitutes a middle piece between neighboring shells.