Controllable hydraulic vibration absorber

Details Controllable hydraulic vibration absorber Controllable hydraulic vibration absorber

1992-09-28

1995-02-07

Butler, Douglas C.

Brakes

Internal-resistance motion retarder

Controlled by an operator remote from retarder

18832214, 188318, 188315, B60G 1708, F16F 946, G01H 1700

Patent

active

053868935

ABSTRACT:
A controllable hydraulic vibration absorber is disclosed whose power cylinder and a tube defines a connecting duct which affords a balance of volume between both power chambers of the vibration absorber and a balancing chamber which is formed between the tube and an external tube disposed coaxially with it. The controllable vibration absorber valve affords variations of the vibration absorbing power and allows a flow through it in one direction only and is arranged between the connecting duct and the balancing chamber so as to be integrated as to its action in a valve assembly which is constituted by a non-return valve and by a switching valve. The switching valve is inserted between the second power chamber and the connecting duct.

REFERENCES:
patent: 3125186 (1964-03-01), Day
patent: 4031989 (1977-06-01), Blazquez
patent: 4561524 (1985-12-01), Mizumukai et al.
patent: 4638896 (1987-01-01), Poyser
patent: 4650042 (1987-03-01), Knecht et al.
patent: 4917222 (1990-04-01), Bacardit
patent: 4921080 (1990-05-01), Lin
patent: 4960188 (1990-10-01), Wossner
patent: 4973854 (1990-11-01), Hummel
patent: 5251730 (1993-10-01), Ackermann et al.

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