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:
May. 10, 1994
Filed:
Jun. 05, 1992
Takashi Shibayama, Isehara, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Abstract
A lock-up and slip lock-up type torque converter for an automotive transmission comprises a pump impeller associated with an input shaft of an automotive transmission, a turbine runner associated with an output shaft of the transmission and a lock-up clutch capable of directly connecting the input and output shafts, the lock-up clutch further has an orifice formed in the vicinity of a facing communicating with a fluid chamber of the lock-up clutch. A flow restricting bimetal portion is provided for operatively reducing a size of the orifice according to low fluid temperature detected at a facing portion of the lock-up clutch and increasing a size of the orifice according to high fluid temperature in the lock-up clutch.