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:
Jul. 19, 1988
Filed:
Oct. 30, 1986
Applicant:
Inventor:
Koji Yagii, Hiroshima, JP;
Assignee:
Mazda Motor Corporation, Hiroshima, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01C / ;
U.S. Cl.
CPC ...
418178 ; 2915 / ; 29458 ; 295272 ;
Abstract
A method for manufacturing a side housing of a rotary piston engine including the steps of forming a flame sprayed layer on the rotor sliding portion of the inner surface thereof and forming an anodized layer on a portion of the inner surface with the exception of the rotor sliding portion so as to eliminate a jamming of whetstone employed for an abrading process.