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:
Mar. 01, 1988

Filed:

May. 28, 1985
Applicant:
Inventors:

Takeo Hiramatsu, Nagaokakyo, JP;

Bonnosuke Takamiya, Joyo, JP;

Yoshimasa Nagayoshi, Kyoto, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B60K / ; F16D / ; F16D / ; F16D / ;
U.S. Cl.
CPC ...
192-0033 ; 74711 ; 180249 ; 192 / ; 1921 / ;
Abstract

A differential capable of distributing a torque of the input shaft to the two output shaft thereof and equipped with a differential motion limiting mechanism. The differential comprises a differential mechanism which receives a driving force through the input shaft thereof from a transmission connected to an engine and distributes the driving force to two output shafts; an oil pump interposed between two shafts, namely, the input shaft and either one of the output shafts themselves, and adapted to be driven by a differential revolving speed between the two shafts so as to produce a discharge pressure corresponding to the differential revolving speed; a clutch mechanism for coupling the two shafts; a hydraulic circuit for supplying the discharge pressure of the oil pump to the clutch mechanism to engage the two shafts; and hydraulic control means provided in the hydraulic circuit to control the discharge pressure to be supplied to the clutch mechanism. The differential produces a limiting torque corresponding to the differential revolving speed between the two shafts to limit the differential motion between the two shafts.


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