Shock absorber with third fluid chamber

Details Shock absorber with third fluid chamber Shock absorber with third fluid chamber

1993-12-01

1997-01-14

Ballato, Josie

Brakes

Internal-resistance motion retarder

Using diverse fluids

188314, 188320, F16F 946

Patent

active

055930077

ABSTRACT:
A number of embodiments of tubular type shock absorbers that permit improved damping characteristics in both directions by providing a third fluid chamber that surrounds the central shock absorber portion which defines the normal first and second fluid chambers separated by a piston connected by a piston rod to one of the two suspended elements. An annular piston is connected to the piston rod and displaces fluid from the third fluid chamber through a shock absorbing arrangement for augmenting the shock absorbing action of the centrally positioned shock absorber. Several embodiments of reservoir arrangements are disclosed.

REFERENCES:
patent: 4973854 (1990-11-01), Hummel
patent: 5263559 (1993-11-01), Mettner

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