Impact dampening means for power cylinders

Details Impact dampening means for power cylinders Impact dampening means for power cylinders

1992-07-13

1993-07-06

Denion, Thomas E.

Expansible chamber devices

With cushioning means effective over a portion only of stroke

18832222, F01B 1102

Patent

active

052244130

ABSTRACT:
An impact dampening ring is disclosed having a primary bumper and a secondary bumper for dampening the engagement of a piston against an end of a power cylinder. The primary bumper has a curved or arcuate surface for initial engagement with the end of the cylinder and the secondary bumper has a flat surface for secondary engagement with the end of the cylinder. The engagement of the primary and secondary bumpers dampens the impact and prevents the piston from directly engaging the end of the power cylinder. A mounting flange on the impact dampening rings provides a means for mounting the impact dampening ring onto a mounting surface of the piston. A seal along the outer perimeter of the impact dampening ring provides a fluid tight seal for the piston inside of the power cylinder.

REFERENCES:
patent: 2981232 (1961-04-01), Peras
patent: 2984529 (1961-05-01), Dailey
patent: 3465650 (1969-09-01), Gluck
patent: 3913460 (1975-10-01), Wright
patent: 4609135 (1986-02-01), Elliesen

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