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. 06, 2008
Filed:
May. 30, 2003
Hiroshi Yamauchi, Aichi, JP;
Nakaaki Himeki, Aichi, JP;
Toshihiko Sugahara, Aichi, JP;
Akiyoshi Yanagita, Aichi, JP;
Yuzo Niina, Aichi, JP;
Hiroshi Yamauchi, Aichi, JP;
Nakaaki Himeki, Aichi, JP;
Toshihiko Sugahara, Aichi, JP;
Akiyoshi Yanagita, Aichi, JP;
Yuzo Niina, Aichi, JP;
Mitsubishi Jidosha Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A shock absorber preferably used for an automobile aims at inhibition of noise caused by self-induced vibration. The shock absorber includes a piston, a working cylinder for housing the piston; and a rod, one end of which being attached to the piston and the other end of which projecting from the working cylinder, wherein a friction coefficient μ between the piston and the working cylinder is represented by the formula μ≦3h/rl, where, r is the radius of the piston; 2h is the height of the piston; and l is the length of a portion of the rod, which portion is stored in the working cylinder when the piston is neutral.