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:
Aug. 29, 2000
Filed:
Jan. 28, 1998
Akihiko Ikeda, Aichi-ken, JP;
Shinji Ogawa, Toyota, JP;
Hirokazu Suzuki, Toyota, JP;
Mitsuru Ohba, Anjo, JP;
Fumitomo Tsuchiya, Toyota, JP;
Akihiko Ichikawa, Toyota, JP;
Tomoyuki Kano, Toyota, JP;
Satoshi Ashida, Toyota, JP;
Toshifumi Sakai, Okazaki, JP;
Hiroshi Takuno, Aichi-ken, JP;
Kunihiko Suzuki, Gamagori, JP;
Naoyuki Kokubo, Aichi-ken, JP;
Masayuki Shimada, Takahama, JP;
Naoyuki Sakai, Anjo, JP;
Takashi Hosokawa, Kariya, JP;
Akio Suzuki, Toyota, JP;
Moritaka Isomura, Kariya, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Toyoda Koki Kabushiki Kaisha, Kariya, JP;
Abstract
A driving force transmission system comprising: a coupling case and a shaft arranged rotatably relative to each other; a pilot clutch and a main clutch for controlling a torque transmission between the coupling case and the shaft; an electromagnet for controlling the actions of the pilot clutch and the main clutch; and oil for retaining the functions of the pilot clutch and the main clutch. This system further comprises a coupling case, a shaft, a rotor, an X-ring and an O-ring for isolating a coupling oil chamber, in which the pilot clutch and the main clutch are arranged, liquid-tight from the surrounding space.