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.

Date of Patent:
Dec. 03, 2002

Filed:

Apr. 25, 2001
Applicant:
Inventors:

Toru Sakurai, Obu, JP;

Tsutomu Nishitani, Obu, JP;

Takashi Tsuge, Obu, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 9/02 ;
U.S. Cl.
CPC ...
F02D 9/02 ;
Abstract

A throttle gear is fastened to a throttle shaft . A relief lever is pivotally mounted on the throttle shaft . A return spring urges the relief lever in a valve closing direction with respect to a throttle body . The throttle body contacts the relief lever at a second contact position A when the relief lever pivots to a predetermined pivot position B in the valve closing direction. A relief spring urges the throttle gear in a valve opening direction with respect to the relief lever . The relief lever contacts the throttle gear at a first contact position B when the throttle gear pivots to the predetermined pivot position B in the valve opening direction. The first and second contact positions B, A are located within or to one side of a plane P that is perpendicular to the rotational axis L of the throttle shaft . Plane P preferably includes a third position C at which the biasing force of the return spring acts on the relief lever


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