Sloped facet electromagnetic actuator adapted for vibration comp

Details Sloped facet electromagnetic actuator adapted for vibration comp Sloped facet electromagnetic actuator adapted for vibration comp

1994-12-14

1997-05-20

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 12, 29596, H02K 524, H02K 4100, H02K 1500

Patent

active

056315066

ABSTRACT:
An electromagnetic actuator includes a ferromagnetic plate and an electromagnet, both of which have adjacent surfaces with corresponding sloped facets that define a non-uniform gap. A nominal spacing of the gap is maintained by elastomer, preferably located within the gap. The gap spacing between corresponding sloped facets is substantially less than for other portions of the gap and favors flow of magnetic flux. In one embodiment, multiple parallel-connected electromagnets are magnetically coupled to the same faceted ferromagnetic plate such that sloped facets of the various electromagnets and corresponding or matching sloped facets of the ferromagnetic plate are oriented in different directions. A weighted average of the coil currents of the electromagnets determines the net translation of the ferromagnetic plate. The actuators are used in vibration control systems.

REFERENCES:
patent: 3868082 (1975-02-01), Soderqvist
patent: 4483425 (1984-11-01), Newman
patent: 4498038 (1985-02-01), Malueg
patent: 4531699 (1985-07-01), Pinson
patent: 4595166 (1986-06-01), Kurokawa
patent: 4600863 (1986-07-01), Chaplin et al.
patent: 4624435 (1986-11-01), Freudenberg
patent: 4638983 (1987-01-01), Idigkeit et al.
patent: 4648576 (1987-03-01), Matsui
patent: 4650170 (1987-03-01), Fukushima
patent: 4699348 (1987-10-01), Freudenberg
patent: 4705257 (1987-11-01), Leo et al.
patent: 4730541 (1988-03-01), Greene
patent: 4735296 (1988-04-01), Pinson
patent: 4793599 (1988-12-01), Ishioka
patent: 4796873 (1989-01-01), Schubert
patent: 4821205 (1989-04-01), Schutten
patent: 4850261 (1989-07-01), Greene
patent: 4869474 (1989-09-01), Best et al.
patent: 4922159 (1990-05-01), Phillips et al.
patent: 5000415 (1991-03-01), Sandercock
patent: 5011108 (1991-04-01), Chen et al.
patent: 5060519 (1991-10-01), Chojitani et al.
patent: 5121898 (1992-06-01), Yasuda et al.
patent: 5133527 (1992-07-01), Chen et al.
patent: 5148068 (1992-09-01), Kushida et al.
patent: 5156370 (1992-10-01), Silcox et al.
patent: 5170104 (1992-12-01), Laughlin
patent: 5208497 (1993-05-01), Ishii et al.
patent: 5209326 (1993-05-01), Harper
patent: 5236186 (1993-08-01), Weltin et al.
patent: 5275388 (1994-01-01), Kobayashi et al.
patent: 5291967 (1994-03-01), Aoki
patent: 5297781 (1994-03-01), Gennesseaux
patent: 5535853 (1996-07-01), Skalski
"Vibration Isolation Uses Piezo-Ceramic Elements to Yield Ultra-Quite Platforms", Electronic Design, Aug. 8, 1994, pp. 36 & 37.

Affiliated with

Also associated with

Rating

Sloped facet electromagnetic actuator adapted for vibration comp does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Sloped facet electromagnetic actuator adapted for vibration comp, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sloped facet electromagnetic actuator adapted for vibration comp will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1725994