Central-lubrication assembly

Details Central-lubrication assembly Central-lubrication assembly

1992-01-09

1993-02-23

Yeung, James C.

Lubrication

Systems

With measuring or metering value system

184 72, 137102, 1371163, F16N 2700

Patent

active

051881977

ABSTRACT:
In a central-lubrication assembly for vehicles, with a lubricant reservoir, with a lubricant pump connected on the inlet side to the lubricant reservoir and on the outlet side to at least one lubricant distributor, there is used for the pressure relief of the lubricant distributor and for limiting the pressure built up by the lubricant pump a combined pressure-relief and pressure-limiting valve (6) which is equipped with a piston (9) displaceable counter to the effect of a return spring (8) in a bore (7) of a housing (5). The piston (9) can assume three different working positions, in a first position the pressure relief being obtained, and in a third position pressure limitation in the system being ensured.

REFERENCES:
patent: 2109832 (1938-03-01), Tear
patent: 2141022 (1938-12-01), Rotter
patent: 2855069 (1958-10-01), Graves
patent: 4635671 (1987-01-01), Viegas

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