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. 18, 2005
Filed:
Sep. 09, 2002
Yoichi Yanagii, Kawasaki, JP;
Yoichi Yanagii, Kawasaki, JP;
Keihin Corporation, Tokyo, JP;
Abstract
To improve freedom of mounting to a motor cycle, a tandem valve type throttle body is provided with a throttle valve () in the downstream side of an intake passage () and a sub throttle valve () in the upstream side thereof, a sub throttle valve shaft () is rotated by a motor (M), a sub throttle valve lever () and a throttle valve lever () are connected by a transmission member, the shaft () and a sensor rotor (TA) of an opening degree sensor (T) are energized in the opening direction of the shaft () by a rotor spring (TC), a link lever spring () pressing the transmission member () in one direction is energized in the closing direction of the valve (), and torque is set so as to cancel spring forces applied to the shaft () by both the springs (TC), ().