Actuators

Details Actuators Actuators

1978-06-16

1981-03-03

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

1376255, 13762565, 251137, 335234, 335266, 335268, F16K 3108, H01F 716

Patent

active

042534933

ABSTRACT:
A bistable actuator comprising a magnetic member moveably mounted, in a housing of magnetic material, for movement between two positions. In each position such member is positively located adjacent a respective permanent magnet. Pole piece means is centrally located between the permanent magnets and extending from said housing to adjacent the moveably mounted member preferably extending to within a slot formed in the member. A separate coil is located within the housing between the pole piece means and each permanent magnet for energization to at least counteract the magnetic flux produced by the adjacent permanent magnet and allow movement of the member.

REFERENCES:
patent: 1090902 (1914-03-01), Beckwith
patent: 3202886 (1965-08-01), Kramer
patent: 3203447 (1965-08-01), Bremner et al.
patent: 3460081 (1969-08-01), Tillman
patent: 3728654 (1973-04-01), Tada
patent: 3900822 (1975-08-01), Hardwick et al.

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