Brakes – Internal-resistance motion retarder – Having a thrust member with a variable volume chamber
Patent
1986-05-16
1988-02-09
Halvosa, George E. A.
Brakes
Internal-resistance motion retarder
Having a thrust member with a variable volume chamber
1376142, 13761421, 188280, 25112915, 280707, 280714, F16F 9348
Patent
active
047236400
ABSTRACT:
Hydraulic adjustable vibration damper with a damping piston, which divides the work cylinder into two chamber halves, whereby the two chamber halves are connected with one another by a bypass, in which an electromagnet controls the bypass. The bypass valve located in the bypass includes an axially-movable valve body which works together with a passage and which is controlled by the adjustment apparatus, and at least one spring-loaded valve which operates as a function of the pressure connected in series with the valve body.
REFERENCES:
patent: 2264111 (1941-11-01), Briggs
patent: 2934175 (1960-04-01), Schnitzer
patent: 3991659 (1976-11-01), Robinson
patent: 4313529 (1982-02-01), Kato et al.
patent: 4352417 (1982-10-01), Stinson
patent: 4535877 (1985-08-01), Shimokura
patent: 4600215 (1986-07-01), Kuroki et al.
patent: 4615420 (1986-10-01), Mourray
Boge GmbH
Halvosa George E. A.
Ljungman Nils H.
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