Shock absorber with pressure-relief mechanism

Details Shock absorber with pressure-relief mechanism Shock absorber with pressure-relief mechanism

1981-09-28

1983-10-04

Reger, Duane A.

Brakes

Internal-resistance motion retarder

Resistance alters relative to direction of thrust member

188320, 18832214, 18832215, F16F 934

Patent

active

044073976

ABSTRACT:
A shock absorber with improved shock absorbing characteristiscs has a piston in which a vortex chamber is formed. The vortex chamber communicates with upper and lower fluid chambers via communication passages. One of the communication passage opens to the vortex chamber tangentially to produce a vortex in the vortex chamber. Within the vortex chamber, a member is normally elastically urged to narrow the area through which the fluid flows. The member is responsive to the fluid pressure exceeding a predetermined value to move against the resilient force in the direction increasing the area allowing fluid flow. A bottom fitting of similar construction and function is also disclosed.

REFERENCES:
patent: 3362508 (1968-01-01), Mayer
patent: 3672474 (1972-06-01), Mayer et al.

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