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. 19, 1979
Filed:
Mar. 29, 1977
Applicant:
Inventor:
Ryozo Ito, Toyota, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01C / ; F02F / ;
U.S. Cl.
CPC ...
418 83 ; 123 4171 ;
Abstract
A Wankel type rotary engine comprising a rotor housing composed of an inner wall portion defining a trochoidal inner peripheral surface, an outer wall portion, enclosing said inner wall portion and stay portions interconnecting the inner and outer wall portions, while a cooling water passage is defined between the inner and outer wall portions, wherein an oscillation damping layer is provided on at least a part of the surface of the inner wall portion which faces the cooling water passage.