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:
May. 17, 1977
Filed:
Nov. 11, 1975
Applicant:
Inventor:
Yoshikazu Ishikawa, Chofu, JA;
Assignee:
Nissan Motor Co., Ltd., Yokohama, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
123-813 ;
Abstract
A rotary piston internal combustion engine of the type comprising a housing having two lobes and a three sided piston rotatable in planetary fashion within the housing, in which a rich air-fuel mixture and a lean air-fuel mixture separately enter into the housing via an auxiliary intake port and a main intake port, respectively.