Hydraulic damper

Details Hydraulic damper Hydraulic damper

1997-01-30

1999-04-20

Ferensic, Denise L.

Pipes and tubular conduits

With pressure compensators

Variable capacity chambers

138 30, 303 87, 267221, F16L 5504

Patent

active

058948627

ABSTRACT:
A hydraulic damper is disclosed for reducing undesirable pressure differentials in a hydraulic system. The damper comprises a body assembly, including first and second inlet ports for connecting the damper to a hydraulic system. A pair of lap assemblies are provided for equalizing pressure differentials between the inlet ports. Each lap assembly is in fluid communication with each of said inlet ports. A metered passageway is provided for fluidly connecting each of said inlet ports. A slide is movably received within the lap assembly to permit reciprocal motion. The slide alternately blocks and unblocks the metered passageway in response to a predetermined pressure across one of the respective inlet ports, in order to equalize the pressure differential between the ports.

REFERENCES:
patent: 2572270 (1951-10-01), Majneri
patent: 2655937 (1953-10-01), Harris
patent: 4655440 (1987-04-01), Eckert
patent: 4769990 (1988-09-01), Bach et al.
patent: 5035469 (1991-07-01), Geilen et al.
patent: 5401086 (1995-03-01), Nishikimi et al.
patent: 5460438 (1995-10-01), Hellmann et al.
patent: 5551767 (1996-09-01), Linkner, Jr.
patent: 5611413 (1997-03-01), Feigel
patent: 5673978 (1997-10-01), Linkner, Jr.

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