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:
Jun. 17, 2025

Filed:

Mar. 22, 2022
Applicant:

Mitsubishi Heavy Industries, Ltd., Tokyo, JP;

Inventors:

Shintaro Shuto, Tokyo, JP;

Kengo Tanaka, Tokyo, JP;

Keita Suzuki, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B 75/28 (2006.01); F02B 23/02 (2006.01); F02B 25/08 (2006.01);
U.S. Cl.
CPC ...
F02B 25/08 (2013.01); F02B 23/02 (2013.01); F02B 75/28 (2013.01);
Abstract

An opposed-piston engine includes: a cylinder having a scavenging port on one side in an axial direction and an exhaust port on another side in the axial direction, a scavenging-side piston disposed inside the cylinder on the one side in the axial direction, an exhaust-side piston disposed inside the cylinder on the other side in the axial direction; and at least one fuel injection device configured to inject fuel between the scavenging-side piston and the exhaust-side piston inside the cylinder. A top surface of the exhaust-side piston is formed in a flat shape, a top surface of the scavenging-side piston has a scavenging-side cavity with a predetermined cavity volume, and the at least one fuel injection device includes at least one scavenging-side fuel injection device having a central axis inclined to the one side in the axial direction toward an inner side in a radial direction of the cylinder.


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