Idle air control valve bearing improvement

Details Idle air control valve bearing improvement Idle air control valve bearing improvement

2011-03-08

2011-03-08

Fristoe, Jr., John K (Department: 3753)

Valves and valve actuation

Mechanical movement actuator

Screw

C251S267000, C251S129110

Reexamination Certificate

active

07900888

ABSTRACT:
An idle air control valve (11) for a vehicle includes a stator assembly (12) and a rotor assembly (26) operatively associated with the stator assembly and mounted for rotation with respect to the stator assembly. A shaft (36) is restricted from rotation and is associated with the rotor assembly such that rotation of the rotor assembly causes linear movement of the shaft. A pintle (38) is associated with a distal end of the shaft for linear movement therewith. A journal (28) is associated with the rotor assembly and is constructed and arranged to support and permit rotation of the rotor assembly relative to the stator assembly. Lubricant (30) is provided between a surface of the journal and a surface of the rotor assembly.

REFERENCES:
patent: 4412517 (1983-11-01), Kobashi et al.
patent: 4593881 (1986-06-01), Yoshino
patent: 5533661 (1996-07-01), Main et al.
patent: 5690144 (1997-11-01), Takahashi
patent: 6105485 (2000-08-01), Zittel
patent: 6460567 (2002-10-01), Hansen et al.
patent: 6561480 (2003-05-01), Komiya et al.
patent: 6674208 (2004-01-01), Ineson et al.

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