Hydraulic flow divider for a mining vehicle

Details Hydraulic flow divider for a mining vehicle Hydraulic flow divider for a mining vehicle

F - Mech Eng,Light,Heat,Weapons

15

B

138/72.11, 138/4

F15B 9/16 (2006.01) B25D 9/12 (2006.01) E21B 7/02 (2006.01) E21B 44/06 (2006.01) E21D 20/00 (2006.01)

Patent

CA 1044117

ABSTRACT A hydraulic flow dividing and proportioning system is provided for use in conjunction with a multi-function mining vehicle. In a preferred embodiment of the invention, the hy- draulic system is employed for powering a roof bolting vehicle having the power requiring functions of drill rotation, drill thrusting and vehicle tramming. The system, utilizing a single hydraulic pump, provides for the efficient and selective pumping of hydraulic fluid to those power requiring elements when neces- sary. The system additionally includes a hydraulic flow propor- tioner which provides for a smooth and even tramming transition from a stop condition to full drive condition.

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