Valve assembly for drill bit lubrication system

Details Valve assembly for drill bit lubrication system Valve assembly for drill bit lubrication system

1982-01-11

1984-06-05

Britts, Ramon S.

Boring or penetrating the earth

With storage means for bit lubricant carried by bit or shaft

Rotation of bit actuates lubricant feed means

384 93, E21B 1022

Patent

active

044523238

ABSTRACT:
A valve system is disclosed for use in the lubrication passages of a rolling cutter drill bit, which valve assembly utilizes one or more reed valves to maintain flow of lubricant in a desirable direction.

REFERENCES:
patent: 893852 (1908-07-01), Leyner
patent: 1306391 (1919-06-01), Romanoff
patent: 3303898 (1967-02-01), Bercasu
patent: 3866695 (1975-02-01), Jackson
patent: 4284151 (1981-08-01), Levefelt

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