Bellows for idle air control valve of vehicle

Details Bellows for idle air control valve of vehicle Bellows for idle air control valve of vehicle

2007-09-18

2008-11-04

Solis, Erick (Department: 3747)

Valves and valve actuation

Hermetic flexible wall seal for actuator

Bellows

C123S339140, C123S339260, C123S339270, C123S339100

Reexamination Certificate

active

07445194

ABSTRACT:
An idle air control valve for a vehicle includes a housing (21), a motor (32) disposed in the housing, a shaft (29) associated with the motor, and a bellows assembly (30) including a bellows structure (10) having a first end defining a base (14), a second, opened end (16), and a bellows (18) between the first and second ends. An annular rim member (28) is associated with the second opened end. A pintle (24) has surfaces defining an annular groove (26) therein. The annular rim member (28) is received, in press-fit engagement, in the annular groove (26). The base (14) is in press-fit engagement with a recess (22) in the housing and the pintle (24) is coupled with an end of the shaft, such that the bellows structure together with the pintle surround the shaft and provide a barrier substantially preventing contaminants from entering the motor.

REFERENCES:
patent: 4212272 (1980-07-01), Hawk
patent: 4232695 (1980-11-01), Roberge
patent: 4453700 (1984-06-01), Otsuki et al.
patent: 4580536 (1986-04-01), Takao et al.
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patent: 5671903 (1997-09-01), Homma et al.
patent: 6213106 (2001-04-01), H.ang.kansson
patent: 6311950 (2001-11-01), Kappel et al.
patent: 7066399 (2006-06-01), Hohl
patent: 2006/0185652 (2006-08-01), Tsuge et al.

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