Pressure-release valve and conduit for preventing damage to seal

Details Pressure-release valve and conduit for preventing damage to seal Pressure-release valve and conduit for preventing damage to seal

1988-08-24

1990-02-27

Garrett, Robert E.

Expansible chamber devices

With removal conduit for liquid seepage from expansible chamber

92153, 184107, 60456, 137 681, 137797, 277 15, 277 70, 277DIG10, F01M 110, F01M 116, F01M 120

Patent

active

049035797

ABSTRACT:
A hydraulic power drive unit for connection to the hydraulic system of an agricultural tractor is provided with a pressure release valve to protect the unit seal from damage if connected the wrong way round, and a bleed pipe which bursts to relieve pressure if the pressure release valve fails to operate.

REFERENCES:
patent: 2430394 (1947-11-01), Folke et al.
patent: 3116747 (1964-01-01), Cowles et al.
patent: 3453995 (1969-07-01), Pelizzoni et al.
patent: 3742822 (1973-07-01), Talbert
patent: 4550805 (1985-11-01), Zimmerman
patent: 4669999 (1987-06-01), Miller

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