Fast engage, slow release electrical actuator

Details Fast engage, slow release electrical actuator Fast engage, slow release electrical actuator

2005-09-06

2005-09-06

Barrera, Ramon M. (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

C335S026000, C335S028000, C335S029000, C335S043000, C335S239000, C335S240000, C335S253000

Reexamination Certificate

active

06940373

ABSTRACT:
A fast engage, slow release electrical actuator combines an electromagnetic actuator with a thermal actuator, the latter which retains the electromagnetic actuator after the former has been actuated to delay the release thereof.

REFERENCES:
patent: 5520424 (1996-05-01), Hapke
patent: 5572869 (1996-11-01), Schantz
patent: 5823017 (1998-10-01), Hapke
patent: 6293289 (2001-09-01), Hapke
patent: 6363755 (2002-04-01), Hapke
patent: 6434977 (2002-08-01), Hapke
patent: 2002/0101313 (2002-08-01), Dirnberger et al.
patent: 2080399 (1982-02-01), None

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