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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.:

US 9206749 B1

PDFFull Text
Expired
Date of Patent:
Dec. 08, 2015

Filed:

Apr. 08, 2013

Variable compression ratio systems for opposed-piston and other internal combustion engines, and related methods of manufacture and use

Applicant:

James M. Cleeves, Redwood City, CA (US);

Inventor:

James M. Cleeves, Redwood City, CA (US);

Assignee:

Pinnacle Engines, Inc., San Carlos, CA (US);

Attorney:

Mintz Levin Cohn Ferris Glovsky and Popeo, P.C.

Primary Examiner:

Lindsay Low

Assistant Examiner:

Kevin Lathers

Int. Cl.
CPC ...
F02B 7/02 (2006.01); F02D 15/02 (2006.01); F01B 7/14 (2006.01); F01L 1/344 (2006.01); F02B 75/28 (2006.01); F02D 15/00 (2006.01); F01B 7/02 (2006.01); F02B 75/04 (2006.01); F01B 1/10 (2006.01);
U.S. Cl.
CPC ...
F02D 15/02 (2013.01); F01B 7/02 (2013.01); F01B 7/14 (2013.01); F01L 1/3442 (2013.01); F02B 75/282 (2013.01); F02D 15/00 (2013.01); F01B 1/10 (2013.01); F01L 2001/3443 (2013.01); F01L 2001/34469 (2013.01); F01L 2820/041 (2013.01); F02B 75/042 (2013.01);
Abstract

Various embodiments of methods and systems for varying the compression ratio in opposed-piston engines are disclosed herein. In one embodiment, an opposed-piston engine can include a first phaser operably coupled to a first crankshaft and a second phaser operably coupled to a corresponding second crankshaft. The phase angle between the crankshafts can be changed to reduce or increase the compression ratio in the corresponding combustion chamber to optimize or at least improve engine performance under a given set of operating conditions.

Find Patent Forward Citations

Cleeves, James. (2015). Variable compression ratio systems for opposed-piston and other internal combustion engines, and related methods of manufacture and use (U.S. Patent No. 9206749). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9206749

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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