Fluid-filled elastic mount having oscillating plate driven by el

Details Fluid-filled elastic mount having oscillating plate driven by el Fluid-filled elastic mount having oscillating plate driven by el

1993-09-23

1995-01-31

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Combined with diverse-type art device

26714012, 26714015, H01F 100, F16M 100

Patent

active

053862759

ABSTRACT:
A fluid-filled elastic mount including an elastic body which elastically connects inner and outer support members and partially defines a fluid chamber, an oscillating plate partially defining the fluid chamber and supported by the inner support member, and an electromagnetic drive device having an inner yoke member fixed to the oscillating plate, an annular outer yoke member fixed to the outer support member, a moving permanent magnet fixed to the inner yoke member and cooperating with the yoke members to define a closed magnetic circuit, and an annular stationary coil which is disposed in an annular magnetic gap in the closed magnetic circuit and which is fixed to the outer yoke member, so that the moving permanent magnet is displaced together with the inner yoke member to thereby oscillate the oscillating plate upon energization of the annular stationary coil, while heat generated by the coil is dissipated through the outer yoke.

REFERENCES:
patent: 4693455 (1987-09-01), Andra
patent: 4941649 (1990-07-01), Funahashi
patent: 5029825 (1991-07-01), Doi
patent: 5076550 (1991-12-01), Mayama
patent: 5098072 (1992-03-01), Muramatsu
patent: 5261649 (1993-11-01), Kato
patent: 5277409 (1994-01-01), Goto

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