Throttle device for engines having shaft positioning part

Details Throttle device for engines having shaft positioning part Throttle device for engines having shaft positioning part

1998-10-21

2000-05-30

Kwon, John

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

251305, F02D 100

Patent

active

060679611

ABSTRACT:
In a throttle device for automotive engines, a throttle shaft is position-regulated in the axial direction by a position regulating part of a throttle body at a side where a contact unit of a rotation position sensor is provided. Thus, the distance of axial movement of the contact unit is limited. Thus, the rotation position of the throttle shaft can be detected accurately by the rotation position sensor for the accurate control of the throttle valve opening angle, even when the surrounding temperature changes caused by heating of the engine and a throttle driving motor.

REFERENCES:
patent: 4895343 (1990-01-01), Sato
patent: 5632245 (1997-05-01), Ropertz
patent: 5687691 (1997-11-01), Kaiser et al.
patent: 5868114 (1999-02-01), Kamimura et al.

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