Actuator having a permanent magnet

Details Actuator having a permanent magnet Actuator having a permanent magnet

2005-03-15

2005-03-15

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Linear

C029S596000, C029S606000, C029S607000, C310S012060

Reexamination Certificate

active

06867512

ABSTRACT:
A solenoid for use in a valve such as an exhaust gas recirculation valve for a motor vehicle. The solenoid includes a housing having a coil for generating a first magnetic field. An armature is slidably mounted in the housing. The solenoid further includes a permanent magnet having a second magnetic field, wherein the magnet is located adjacent the armature. In addition, a stator is affixed in the housing for cooperation with the armature and the magnet to form a third magnetic field.

REFERENCES:
patent: 3772540 (1973-11-01), Benson
patent: 5734209 (1998-03-01), Hallidy
patent: 6051896 (2000-04-01), Shibuya et al.

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