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:
Aug. 29, 2017

Filed:

Sep. 10, 2014
Applicant:

Caterpillar Inc., Peoria, IL (US);

Inventors:

Emily Anne Morris, Peoria, IL (US);

Jeremy Todd Peterson, Washington, IL (US);

Jeffrey Lee Kuehn, Germantown Hills, IL (US);

Dayao Chen, Bolingbrook, IL (US);

Pengfei Ma, Naperville, IL (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D 31/02 (2006.01); F02N 7/08 (2006.01); E02F 9/20 (2006.01); E02F 9/22 (2006.01); F02N 11/00 (2006.01); B60K 6/12 (2006.01);
U.S. Cl.
CPC ...
F02N 7/08 (2013.01); E02F 9/2066 (2013.01); E02F 9/2217 (2013.01); E02F 9/2246 (2013.01); E02F 9/2289 (2013.01); E02F 9/2292 (2013.01); E02F 9/2296 (2013.01); F02N 11/00 (2013.01); B60K 2006/126 (2013.01); F02N 2300/2002 (2013.01); F15B 2211/212 (2013.01); F15B 2211/851 (2013.01);
Abstract

A hydraulic system is disclosed for assisting starting of a machine having an engine. The hydraulic system may include a work tool, a pump driven by the engine to pressurize fluid, and an actuator configured to receive pressurized fluid from the pump and move the work tool. The hydraulic system may also include an accumulator configured to selectively receive pressurized fluid from the pump and from the actuator, an electric starter configured to start the engine, and a motor selectively supplied with fluid from the accumulator to assist the electric starter in starting the engine.


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