Fluid control mechanism

Details Fluid control mechanism Fluid control mechanism

1974-03-28

1976-04-06

Geoghegan, Edgar W.

Motors: expansible chamber type

Rotary and reciprocating working members

91412, 137101, F15B 1120

Patent

active

039481450

ABSTRACT:
This invention relates to a fluid control system adapted to be used in a rock or roof drill to control the drill feed rate automatically with respect to the resistance of the strata material to drill penetration. The system comprises a priority flow divider which functions to divide a fluid supply source into two distinct flow paths and to control the volumetric flow rate of one flow path independent of the demand from either flow path, a first manually operated shut off valve controlling the flow of fluid through one of said flow paths to a drill motor and the second control valve controlling the direction of feed of said drill.

REFERENCES:
patent: 2462983 (1949-03-01), MacDuff et al.
patent: 2804751 (1957-09-01), Schroeder
patent: 2995141 (1961-08-01), Hipp
patent: R24892 (1960-10-01), Banker

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