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:
Jul. 05, 2005
Filed:
Jun. 25, 2003
Tomonaga Oyamada, Chiyoda, JP;
Yuuichi Yanagase, Tamatsukuri, JP;
Takehiko Kowatari, Kashiwa, JP;
Teruhiko Minegishi, Hitachinaka, JP;
Eisuke Wayama, Hitachinaka, JP;
Tomonaga Oyamada, Chiyoda, JP;
Yuuichi Yanagase, Tamatsukuri, JP;
Takehiko Kowatari, Kashiwa, JP;
Teruhiko Minegishi, Hitachinaka, JP;
Eisuke Wayama, Hitachinaka, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
To reduce the amount of air leakage from the air cleaner side of the throttle system into the engine side on an occasion where the throttle valve is set to a closed position, a seal material is installed in the air passage that runs from the upstream side of the suction passage, passes through the upstream side of the gap between the shaft and through hole, communicates with the gap formed by the stepped recession, the shaft and the bearing of the throttle body, runs in the circumferential direction of the shaft and through the downstream side of the gap, and reaches the downstream side of the suction passage.