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:
Jan. 29, 2008
Filed:
Dec. 14, 2005
Yoshio Kinoshita, Fukuroi, JP;
Shiro Takeuchi, Fukuroi, JP;
Tatsuro Miyoshi, Fukuroi, JP;
Shigeki Umezawa, Fukuroi, JP;
Shun Kitahara, Fukuroi, JP;
Tamotsu Fujii, Fukuroi, JP;
Hiroyuki Kinpara, Fukuroi, JP;
Kenji Maruo, Fukuroi, JP;
Tomoyuki Miyazaki, Fukuroi, JP;
Xiaoming Gu, Fukuroi, JP;
Fumimasa Muramatsu, Fukuroi, JP;
Shigeharu Nishimura, Fukuroi, JP;
Ritsuo Toya, Fukuroi, JP;
Yoshio Kinoshita, Fukuroi, JP;
Shiro Takeuchi, Fukuroi, JP;
Tatsuro Miyoshi, Fukuroi, JP;
Shigeki Umezawa, Fukuroi, JP;
Shun Kitahara, Fukuroi, JP;
Tamotsu Fujii, Fukuroi, JP;
Hiroyuki Kinpara, Fukuroi, JP;
Kenji Maruo, Fukuroi, JP;
Tomoyuki Miyazaki, Fukuroi, JP;
Xiaoming Gu, Fukuroi, JP;
Fumimasa Muramatsu, Fukuroi, JP;
Shigeharu Nishimura, Fukuroi, JP;
Ritsuo Toya, Fukuroi, JP;
NSK- Warner K.K., Tokyo, JP;
Abstract
In a lockup clutch assembly for use in a torque converter, a friction lining attached to one of a clutch piston and a front cover of the torque converter is divided into an outer-circumference-side friction lining and an inner-circumference-side friction lining. The outer-circumference-side friction lining contains as a filler diatomaceous earth in a higher proportion than the inner-circumference-side friction lining.