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. 19, 2002
Filed:
Oct. 04, 2000
Tadashi Yoshioka, Tokyo, JP;
Shigeyuki Yoshida, Tokyo, JP;
Kaoru Sawase, Tokyo, JP;
Takahisa Niwa, Tokyo, JP;
Yoshihiro Ikushima, Tokyo, JP;
Mitsubishi Jidosha Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
Disclosed herein is a driving state switching unit with a synchro-mechanism which employs a synchro-mechanism to perform switching of a driving state. The switching unit is equipped with a first gear ( ) and a second gear ( ) coaxially disposed, a gear connecting member ( ) axially movable so that the first gear ( ) and the second gear ( ) can be connected, and a synchro-mechanism ( ) interposed between the first gear ( ) and the second gear ( ). By moving the gear connecting member ( ) by an electric actuator ( ), the first gear ( ) and the second gear ( ) are connected, while they are being synchronized by the synchro-mechanism ( ). When this occurs, control means ( ) controls a supply current to the electric actuator ( ), and judgement means ( ) judges synchronization of the synchro-mechanism ( ), based on a change in the supply current value to the electric actuator ( ). With this, the judgement of the synchronization of the synchro-mechanism ( ) is made possible without providing dedicated sensors, switches, etc., and an accurate judgement, corresponding even to an individual difference in the sliding resistance between members and a change in running conditions, is made possible.