Vibration isolator

Details Vibration isolator Vibration isolator

1992-12-16

1994-12-06

Kashnikow, Andres

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

267219, 248562, 248636, F16F 1300, F16F 900

Patent

active

053703758

ABSTRACT:
A vibration isolator includes: a housing which is filled with a fluid; an intermediate plate inserted in the housing for partitioning the interior of the housing into two liquid chambers, the intermediate plate having therein a cylinder and at least two passageways for allowing the two liquid chambers to communicate with each other, the cylinder being formed at a position midway in one of the passageways, and one of the liquid chambers being provided with an elastic wall to render the capacity of that liquid chamber variable; a piston capable of opening and closing one of the passageways as the piston moves in the cylinder; and a pressure changeover valve disposed outside the housing and capable of moving the piston by means of a change in pressure by applying a gas pressure to the piston.

REFERENCES:
patent: 4709779 (1987-12-01), Takehara
patent: 4768759 (1988-09-01), Bellamy et al.
patent: 4867263 (1989-09-01), Sugino et al.
patent: 4886252 (1989-12-01), Haussermann
patent: 5215293 (1993-06-01), Muramatsu et al.

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