Hydraulic dampers

Details Hydraulic dampers Hydraulic dampers

1986-11-17

1988-05-03

Reger, Duane A.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

F16F 934

Patent

active

047415193

ABSTRACT:
The invention relates to a damping and holding device having a rigid base (7), a rigid ring (9), a truncated cone shaped resilient wall (12) resisting axial compression and sealingly connecting the base to the ring, a flexible membrane (13) sealingly connected to the ring, a sealing dividing wall (14) connected to the ring between the truncated cone shaped wall and the membrane, a restricted passage (15) providing communication between the two sides of the dividing wall and a liquid mass (16) filling the case thus formed. The device further comprises a second truncated cone shaped resilient wall (17) resisting axial compression and oriented in a direction opposite that of the first one (12), the small bases of the two truncated cone shaped walls being juxtaposed axially and both secured to the base, and a rigid external framework (18) connecting the large base of the second rigid wall with the ring.

REFERENCES:
patent: 3947007 (1976-03-01), Pelat
patent: 4159091 (1979-06-01), Le Salver et al.
patent: 4399987 (1983-08-01), Cucelli et al.
patent: 4573656 (1986-03-01), Yoshida et al.

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