Damped voice coil actuator

Details Damped voice coil actuator Damped voice coil actuator

1986-03-14

1988-03-01

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Linear

310 27, H02K 4100

Patent

active

047288310

ABSTRACT:
This invention provides a structure for damping longitudinal vibrations in an apparatus which moves longitudinally.
It employs, in a longitudinally moveable body, a structural element, slotted in the longitudinal direction, so that said structural element has relatively rigid upper and lower portions and relatively flexible flextures at the slot ends. A layer of elastomeric material covers a side of said element and a stiffening plate covers said elastomeric layer.

REFERENCES:
patent: 2810842 (1957-10-01), Lewis
patent: 3527969 (1970-09-01), Papst
patent: 4144466 (1979-03-01), Hatch
patent: 4267731 (1981-05-01), Jacobson
patent: 4408283 (1983-10-01), Hearn
Ahid D. Nashif, "Control of Noise and Vibration with Damping Materials," Jul., 1983, Sound and Vibration, pp. 28-36.
Product Information Circular, Structural Products Department/3M, "Scotchdamp".

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