Cylinder including a piston with a valve control

Details Cylinder including a piston with a valve control Cylinder including a piston with a valve control

1991-12-13

1994-02-15

Oberleitner, Robert J.

Brakes

Internal-resistance motion retarder

Having a thrust member with a variable volume chamber

188299, F16F 944

Patent

active

052858782

ABSTRACT:
In previously known shock absorbers, a throttle cross section can be controlled with the aid of a control slide. Because flow forces can never be avoided entirely, the magnetic force must be controlled as a function of the flowing pressure fluid flow. In the cylinder proposed here, having a control slide, an additional force acting upon the control slide results, which is directed counter to these flow forces and can at least partially compensate for them. The proposed cylinder is intended in particular for use as a shock absorber for vehicles.

REFERENCES:
patent: 2744469 (1956-05-01), Schaeffer
patent: 3542212 (1970-11-01), Daugherty, Jr.
patent: 3568711 (1971-03-01), Katz
patent: 4819771 (1989-04-01), Britze
patent: 4854429 (1989-08-01), Casey
patent: 4893699 (1990-01-01), Engelsdorf et al.
patent: 4905798 (1990-03-01), Engelsdorf et al.
patent: 4958704 (1990-09-01), Leiber et al.
patent: 5137125 (1992-08-01), Troltsch et al.

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