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.

Date of Patent:
Jan. 01, 1985

Filed:

Mar. 06, 1979
Applicant:
Inventors:

Masaaki Noguchi, Nagoya, JP;

Yukiyasu Tanaka, Okazaki, JP;

Isao Igarashi, Okazaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
123 / ; 123 / ;
Abstract

A two-stroke cycle gasoline or diesel engine having: at least two two-stroke cycle power cylinder - piston assemblies each having two horizontally opposed pistons, incorporating uniflow scavenging, and operating with a phase difference of 180.degree. relative to each other; at least one double acting scavenging pump cylinder - piston assembly which has two horizontally opposed pistons and is driven by the power cylinder - piston assemblies by way of a pair of mutually synchronized common crankshafts and crank mechanisms which connect the pistons of the power cylinder - piston assemblies and the pump cylinder - piston assembly with the common crankshafts, wherein the crank radius of the common crankshafts with respect to the pump cylinder - piston assembly is substantially smaller than that with respect to the power cylinder - piston assemblies.


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