IDiyas

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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 10234009 B1

PDFFull Text
Date of Patent:
Mar. 19, 2019

Filed:

Sep. 25, 2017

Differential limiting device for vehicle

Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota-Shi, Aichi-Ken, JP;

Inventor:

Mizuki Imafuku, Kariya, JP;

Assignee:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;

Attorney:

Oliff PLC

Primary Examiner:

Stacey A Fluhart

Int. Cl.
CPC ...
F16H 48/22 (2006.01); B60K 17/02 (2006.01); B60K 17/344 (2006.01); F16D 13/52 (2006.01); F16D 23/00 (2006.01); F16H 25/22 (2006.01); F16H 48/08 (2006.01); F16H 48/34 (2012.01); F16D 23/12 (2006.01); F16H 48/24 (2006.01); F16H 1/16 (2006.01); F16H 25/20 (2006.01); F16D 125/52 (2012.01);
U.S. Cl.
CPC ...
F16H 48/22 (2013.01); B60K 17/02 (2013.01); B60K 17/344 (2013.01); F16D 13/52 (2013.01); F16D 23/00 (2013.01); F16D 23/12 (2013.01); F16H 25/2204 (2013.01); F16H 48/08 (2013.01); F16H 48/24 (2013.01); F16H 48/34 (2013.01); F16D 2023/123 (2013.01); F16D 2125/52 (2013.01); F16H 1/16 (2013.01); F16H 2025/209 (2013.01); F16H 2048/343 (2013.01);
Abstract

In a differential limiting device for a vehicle, when rotary motion of an electric motor is converted by a screw mechanism into linear motion of a nut member in a direction of a first axis Cof a side gear shaft, and a piston mounted on the nut member is moved in a direction opposite to a direction to depress frictional engagement elements, the piston and a clutch drum are relatively non-rotatably engaged. Therefore, differential rotation of a pair of side gears is mechanically limited. Thus, rotation of one electric motor makes it possible to generate differential limiting torque for limiting differential rotation of the pair of side gears in a rear-wheel differential device.

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