Method and apparatus for absorbing mechanical shock

Details Method and apparatus for absorbing mechanical shock Method and apparatus for absorbing mechanical shock

1991-06-24

1992-09-01

Butler, Douglas C.

Brakes

Internal-resistance motion retarder

Controlled by an operator remote from retarder

188280, 18832215, 18832222, 280707, F16F 946, B60G 1126

Patent

active

051431866

ABSTRACT:
A method and apparatus for absorbing mechanical shock is disclosed. The apparatus comprises a pressure cylinder forming a working chamber having first and second portions operable to store damping fluid. The apparatus further comprises the first valve for controlling the flow of damping fluid between the first and second portions of the working chamber during compression of the shock absorber. In addition, the apparatus further comprises a pressure chamber in fluid communication with the first portion of the working chamber and the first valve. A solenoid is also provided for regulating the flow of damping fluid between the pressure chamber and the second portion of the working chamber. A second valve is further provided for controlling the flow of damping fluid between the first and second portions of the working chamber during rebound of the shock absorber.

REFERENCES:
patent: 3882977 (1975-05-01), Watanabe
patent: 4671392 (1987-06-01), Wossner
patent: 4923038 (1990-05-01), Lizell
patent: 5025899 (1991-06-01), Lizell

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