Throttles

A throttle gear 5 is fastened to a throttle shaft 2. A relief lever 9 is pivotally mounted on the throttle shaft 2. A return spring 11 urges the relief lever 9 in a valve closing direction with respect to a throttle body 1. The throttle body 1 contacts the relief lever 9 at a second contact position...

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Bibliographic Details
Main Authors SAKURAI TORU, TSUGE TAKASHI, NISHITANI TSUTOMU
Format Patent
LanguageEnglish
Published 03.12.2002
Edition7
Subjects
BLASTING
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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Summary:A throttle gear 5 is fastened to a throttle shaft 2. A relief lever 9 is pivotally mounted on the throttle shaft 2. A return spring 11 urges the relief lever 9 in a valve closing direction with respect to a throttle body 1. The throttle body 1 contacts the relief lever 9 at a second contact position 20A when the relief lever 9 pivots to a predetermined pivot position B in the valve closing direction. A relief spring 10 urges the throttle gear 5 in a valve opening direction with respect to the relief lever 9. The relief lever 9 contacts the throttle gear 5 at a first contact position 20B when the throttle gear 5 pivots to the predetermined pivot position B in the valve opening direction. The first and second contact positions 20B, 20A are located within or to one side of a plane P that is perpendicular to the rotational axis L of the throttle shaft 2. Plane P preferably includes a third position 20C at which the biasing force of the return spring 11 acts on the relief lever 9.
Bibliography:Application Number: US20010840835