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:
Feb. 28, 1989
Filed:
Jun. 10, 1987
Applicant:
Inventors:
Dankwart Eiermann, Weissensberg-West, DE;
Manfred Fischer, Lindau, DE;
Assignee:
Wankel GmbH, Berlin, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01C / ; F01C / ;
U.S. Cl.
CPC ...
418113 ; 418142 ; 277 / ; 277 / ; 277192 ;
Abstract
An axial sealing system of a rotary piston engine with a triangular piston and a dual-arc casing runway surfacing with which a seal body arranged in axial groove or groove bore cooperating sealingly after each axial sealing strip at a preceding end thereof for sealing therewith and the preceding sealing plug under gas pressure from the working or operating chamber. The sealing body is a second sealing plug cut into by the sealing strip and the first sealing plug. Also this can be a sealing strip segment having a configuration that fits with respect to the cutout of the sealing strip and the first sealing plug.