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.:
Date of Patent:
Aug. 29, 2017
Filed:
Jul. 16, 2014
Applicant:
Komatsu Ltd., Tokyo, JP;
Inventor:
Makoto Naito, Komatsu, JP;
Assignee:
KOMATSU LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60K 6/40 (2007.10); E02F 9/20 (2006.01); B60K 6/365 (2007.10); B60K 6/405 (2007.10); E02F 9/08 (2006.01); B60K 6/387 (2007.10); B60K 6/445 (2007.10); E02F 3/28 (2006.01); B60K 1/00 (2006.01); B60K 6/38 (2007.10);
U.S. Cl.
CPC ...
E02F 9/202 (2013.01); B60K 6/365 (2013.01); B60K 6/387 (2013.01); B60K 6/40 (2013.01); B60K 6/405 (2013.01); B60K 6/445 (2013.01); E02F 3/283 (2013.01); E02F 9/0866 (2013.01); E02F 9/0883 (2013.01); B60K 2001/006 (2013.01); B60K 2006/381 (2013.01); B60Y 2200/415 (2013.01); B60Y 2306/03 (2013.01); B60Y 2306/05 (2013.01); B60Y 2400/73 (2013.01); Y02T 10/6239 (2013.01);
Abstract
The motor cooling system circulates cooling oil for cooling a motor. A transmission is configured to change a rotation speed ratio of an output shaft with respect to an input shaft by changing a rotation speed of the motor. A transmission case has an output shaft case for housing the output shaft. The output shaft case is positioned forward of the motor and protrudes to a position below the motor. The motor cooling system has a cooling oil tank for storing the cooling oil and a cooling oil pipe which connects a cooling oil tank and the motor. The cooling oil tank is positioned behind the output shaft case and under the motor.