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. 22, 1990
Filed:
Dec. 19, 1988
Applicant:
Inventors:
Tatsuya Kita, Hiroshima, JP;
Takuro Shigemura, Hiroshima, JP;
Setsuo Nakamura, Hiroshima, JP;
Hisanori Nakane, Higashihiroshima, JP;
Assignee:
Mazda Motor Corporation, Hiroshima, JP;
Primary Examiner:
Int. Cl.
CPC ...
F01N / ; F02B / ;
U.S. Cl.
CPC ...
123203 ;
Abstract
A rotary piston engine having a casing and a substantially triangular rotor disposed in the trochoidal cavity of the casing. The casing is provided with an intake port located to communicate with the intake working chamber and an exhaust port located to communicate with the exhaust working chamber. The exhaust port has an air nozzle discharging air or air-fuel mixture into the leading part of the exhaust working chamber at the leading end of the exhaust port.