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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 9744962 B1

PDFFull Text
Date of Patent:
Aug. 29, 2017

Filed:

Jan. 08, 2016

Hybrid construction machine

Applicant:

Hitachi Construction Machinery Co., Ltd., Tokyo, JP;

Inventors:

Chiaki Takahashi, Tokyo, JP;

Ken Takeuchi, Tsuchiura, JP;

Shinya Imura, Tsuchiura, JP;

Assignee:

HITACHI CONSTRUCTION MACHINERY CO., LTD., Tokyo, JP;

Attorney:

Mattingly & Malur, PC

Primary Examiner:

Aaron L Troost

Int. Cl.
CPC ...
B60W 20/10 (2016.01); E02F 9/20 (2006.01); G01R 31/36 (2006.01); H02J 7/00 (2006.01); B60K 25/00 (2006.01); B60W 10/06 (2006.01); B60W 10/08 (2006.01); B60W 10/26 (2006.01); E02F 3/32 (2006.01); B60K 6/20 (2007.10);
U.S. Cl.
CPC ...
B60W 20/10 (2013.01); B60K 6/20 (2013.01); B60K 25/00 (2013.01); B60W 10/06 (2013.01); B60W 10/08 (2013.01); B60W 10/26 (2013.01); E02F 3/32 (2013.01); E02F 9/2075 (2013.01); E02F 9/2091 (2013.01); G01R 31/3679 (2013.01); H02J 7/0091 (2013.01); B60W 2510/246 (2013.01); B60W 2710/06 (2013.01); B60W 2710/08 (2013.01); B60W 2710/244 (2013.01); B60Y 2200/41 (2013.01); B60Y 2200/92 (2013.01); B60Y 2300/182 (2013.01); B60Y 2306/05 (2013.01); B60Y 2400/112 (2013.01); B60Y 2400/20 (2013.01); B60Y 2400/61 (2013.01); B60Y 2400/81 (2013.01); B60Y 2400/87 (2013.01); Y10S 903/93 (2013.01);
Abstract

The hybrid construction machine includes an engine, an electric motor/generator, a hydraulic pump unit, an electricity storage device, an inverter, a temperature regulator (D orE), and a hybrid control unit. The hybrid control unitexecutes at least one of first control for controlling a warming-up battery temperature regulatorD so that it increases a temperature of the electricity storage device, second control for controlling the inverterso that it reduces the power output from the inverter, and third control for controlling a pump capacity control unitso that it reduces the flow rate of a hydraulic fluid delivered from the hydraulic pump unit, according to a charge/discharge history of the electricity storage device

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