Shock absorbers

Details Shock absorbers Shock absorbers

1985-05-03

1987-01-27

Butler, Douglas C.

Brakes

Internal-resistance motion retarder

Controlled by an operator remote from retarder

188315, 188317, 18832214, 18832215, 25112916, B62K 2506, F16F 946

Patent

active

046388966

ABSTRACT:
The present invention provides a shock absorber of monotube or twin-tube configuration wherein the piston within the shock absorber includes an electromagnetically operable bypass valve, the electromagnetically operable valve being controlled remotely from the outside of the shock absorber via an electrical connection which extends along the piston rod. In a twin tube configuration according to the present invention, the foot valve assembly also includes an electromagnetically operable bypass valve which is remotely controlled from the outside of the shock absorber via an electrical connection. These electrical connections do not affect the overall design of the shock absorber and can thus be easily included in a vehicle design. Further, these electrical connections can be connected to a microprocessor so that the shock absorber valves are controlled by the microprocessor dependent upon the values of certain parameters, e.g. speed, load, fed to the microprocessor from appropriate sensors.

REFERENCES:
patent: 2780321 (1957-02-01), Sturari
patent: 2996155 (1961-08-01), Priesemuth
patent: 3161033 (1964-12-01), Iketani
patent: 3422850 (1969-01-01), Caldwell
patent: 3559776 (1971-02-01), Schultze
patent: 3741582 (1973-06-01), Eckert
patent: 4313529 (1982-02-01), Kato et al.
patent: 4333668 (1982-06-01), Hendrickson et al.
patent: 4401196 (1983-08-01), Grundei
patent: 4463839 (1984-08-01), Ashiba
patent: 4468739 (1984-08-01), Woods et al.
patent: 4506751 (1985-03-01), Stephens
patent: 4527676 (1985-07-01), Emura et al.

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