Rotary actuators

Details Rotary actuators Rotary actuators

2009-03-03

2010-11-23

Hanh, Nguyen N (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S036000

Reexamination Certificate

active

07839041

ABSTRACT:
Embodiments of actuators (20) comprise an electromagnetically conductive housing (22); a rotor (24); a first stationary pole member (48); a second stationary pole member (42); a first permanent magnet (44) connected to the first pole member (48); a second permanent magnet (46) connected to the first pole member (48); and; an electrically conductive coil (40) situated within the housing (22) and configured to define a cavity. The rotor (24) comprises a rotor shaft (26) and a rotor flange (28). The rotor flange (28) comprises both a first flange segment (56) and a second flange segment (58) which extend in different radial directions relative to the rotor shaft (26).

REFERENCES:
patent: 5337030 (1994-08-01), Mohler
patent: 6507257 (2003-01-01), Mohler
patent: 199 45 262 (2001-04-01), None
patent: 0 175 903 (1986-04-01), None
patent: 0 411 563 (1991-02-01), None
patent: 6-225508 (1994-08-01), None
International Search Report and Written Opinion mailed Oct. 21, 2009 in corresponding PCT Application No. PCT/US2009/001331.

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