Solenoid impact control device

Details Solenoid impact control device Solenoid impact control device

1995-10-02

1997-09-16

Spyrou, Cassandra C.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335277, 271117, H01F 300, H01F 708

Patent

active

056685173

ABSTRACT:
An apparatus that controls impact noise of a solenoid by energy dissipation through both resilient and pneumatic devices. This is achieved by providing a device between the plunger of the solenoid and a machine member. The device includes a predetermined number of orifices which are of different sizes and placed at different locations. This forms an air metering system and controls the stiffness of the device for maximum impact noise attenuation.

REFERENCES:
patent: 3455536 (1969-07-01), Barker
patent: 4782862 (1988-11-01), Nguyen
patent: 5157448 (1992-10-01), Lang

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