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:
Sep. 24, 2019

Filed:

Nov. 04, 2015
Applicant:

Achates Power, Inc., San Diego, CA (US);

Inventor:

John M. Kessler, Oceanside, CA (US);

Assignee:

ACHATES POWER, INC., San Diego, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B 25/08 (2006.01); F02B 75/28 (2006.01); F02F 1/18 (2006.01); F02F 1/42 (2006.01); F01B 7/14 (2006.01); F02B 25/00 (2006.01); F01B 7/02 (2006.01); F02B 75/02 (2006.01);
U.S. Cl.
CPC ...
F02B 25/08 (2013.01); F01B 7/14 (2013.01); F02B 75/282 (2013.01); F02F 1/18 (2013.01); F02F 1/4285 (2013.01); F01B 7/02 (2013.01); F02B 25/00 (2013.01); F02B 75/28 (2013.01); F02B 2075/025 (2013.01);
Abstract

A compact construction for an opposed-piston engine includes a cylinder liner with longitudinally-spaced exhaust and intake ports in which the exhaust port has inner and outer edges presenting a port height that causes the exhaust port to be fully open before a piston associated with the exhaust port reaches bottom dead center during an expansion stroke and the end surface of the associated piston to be spaced outwardly of the outer edge when the piston is at bottom dead center.


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