Vibration damping device

Details Vibration damping device Vibration damping device

1994-04-12

1994-11-22

Butler, Douglas C.

Brakes

Internal-resistance motion retarder

Magnetic fluid or material

188298, 18832217, 188312, 188313, 267 6424, 267122, 26714014, F16F 904

Patent

active

053660480

ABSTRACT:
A vibration damping device comprises two cylindrical and flexible membrane members, a restricted passage constituting member connected at both end portions to these membrane members, two face plates connected at their end portion to the membrane members, a closed chamber defined by these members and face plates, a rigid member connecting both the face plates to each other at inside or outside of the closed chamber, a fluid filled in the closed chamber, and a fastening member disposed at each side of the restricted passage constituting member and the face plate.

REFERENCES:
patent: 1884477 (1932-10-01), Albert
patent: 2606631 (1952-08-01), Grooms
patent: 2919883 (1960-01-01), Murphy
patent: 3046003 (1962-07-01), Schultz
patent: 3075601 (1963-01-01), Muller
patent: 4572488 (1986-02-01), Holmberg, Jr. et al.
patent: 4848495 (1989-07-01), Hayashi
patent: 4854555 (1989-08-01), Ohkawa et al.
patent: 4858733 (1989-08-01), Noguchi et al.
patent: 5180145 (1993-01-01), Watanabe et al.
Patent Abstract of Japan vol. 4, No. 161 (M-40)(643) 11 Nov. 1980, & JP-A-55 112440 (Tokyo Shibaura Denki) 30 Aug. 1980, *whole document*.

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