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:
Jan. 31, 1989
Filed:
Dec. 19, 1986
Applicant:
Inventor:
Dankwart Eiermann, Weissensberg-West, DE;
Assignee:
Wankel GmbH, Berlin, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01C / ;
U.S. Cl.
CPC ...
418 94 ; 418 83 ; 418179 ; 123 4144 ;
Abstract
A fluid cooling system of a rotary piston internal combustion engine of trochoidal type of construction having a housing with one or more trochoidal shaped inner surfaces and having side plates with an eccentric shaft passing therethrough. A triangular piston is mounted upon an eccentric secured to the eccentric shaft and has corners of the triangular piston revolving to have corners of the triangular piston continuously engaged with the inner surfacing and furthermore having the eccentric shaft constructed hollow for cooling of the eccentric bearings and having cooling medium flowing via a by-pass conduit of the main cooling circuit circulation.