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:
Nov. 01, 2005
Filed:
Nov. 26, 2002
Tetsuo Matsumura, Hitachinaka, JP;
Naoyuki Ozaki, Hitachinaka, JP;
Kinya Fujimoto, Hitachinaka, JP;
Hiroshi Kuroiwa, Hitachi, JP;
Takashi Okada, Hitachi, JP;
Toshimichi Minowa, Mito, JP;
Tetsuo Matsumura, Hitachinaka, JP;
Naoyuki Ozaki, Hitachinaka, JP;
Kinya Fujimoto, Hitachinaka, JP;
Hiroshi Kuroiwa, Hitachi, JP;
Takashi Okada, Hitachi, JP;
Toshimichi Minowa, Mito, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Friction clutchesand engaging clutchesare arranged between an input shaft and an output shaft of a gear type transmission having a plurality of gear trains. A power train unitcontrols an output shaft torque and an input rotation speed of the transmission during changing speed by estimating or detecting input a torque to the transmission, and detecting an output rotation speed of the transmission, and setting a target shift torque during shifting gear, and setting a command value to the friction clutchesandfrom the target shift torque and the input torque.