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:
Dec. 10, 2019

Filed:

Dec. 19, 2016
Applicant:

Ford Global Technologies, Llc, Dearborn, MI (US);

Inventor:

Ian Graham Pegg, Chelmsford, GB;

Assignee:

Ford Global Technologies, LLC, Dearborn, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02F 1/00 (2006.01); F02F 3/00 (2006.01); F02F 1/20 (2006.01); F16J 10/04 (2006.01);
U.S. Cl.
CPC ...
F02F 1/004 (2013.01); F02F 1/20 (2013.01); F02F 3/00 (2013.01); F16J 10/04 (2013.01);
Abstract

A machine having a cylinder, the configuration of the machine being such that a body portion of a piston of the machine periodically engages an inner surface of the cylinder during operation of the machine, this engagement defining a contact zone between the body portion of the piston and the inner surface of the cylinder, the inner surface of the cylinder having an enhanced bearing region comprising one or more recesses indented into the inner surface, the enhanced bearing region being smaller than the inner surface of the cylinder and being substantially centered on the contact zone.


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