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. 02, 1982
Filed:
Nov. 13, 1979
Applicant:
Inventors:
Kazuma Shimizu, Hiroshima, JP;
Haruhiko Satow, Hiroshima, JP;
Assignee:
Toyo Kogyo Co., Ltd., Hiroshima, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01C / ; F01C / ;
U.S. Cl.
CPC ...
418120 ; 418122 ;
Abstract
An apex seal for rotary piston engines which comprises an elongated sealing piece and an elongated support piece which are superposed throughout their lengths. A side piece is provided at one end of the superposed pieces and has an inclined inward surface which is engaged with a correspondingly inclined end surface of the sealing piece but spaced from a correspondingly inclined end surface of the support piece. A spring is provided for urging the support and side pieces toward the inner wall of the rotor housing.