Rotary shredding apparatus

Details Rotary shredding apparatus Rotary shredding apparatus

1986-12-04

1988-01-26

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

With automatic control

241 375, 241236, B02C 2500

Patent

active

047212578

ABSTRACT:
A rotary shredding apparatus having in combination counterrotating cutter supporting shafts operated by a reversible fluid pressure driven motor, and a fluid flow circuit connected to the reversible motor and including a pump supplied source of fluid at a predetermined nominal operating flow rate, a fluid pressure responsive relief valve operative for fluid flow exceeding said predetermined nominal operating flow rate to return fluid to the source, and a fluid flow directing valve connected in fluid flow relation between said relief valve and said fluid driven motor, and control connected to said fluid flow directing valve means; a fluid flow rate detecting sensor disposed in said hydraulic fluid flow circuit between said fluid flow directing valve and said pressure responsive relief valve, whereby upon the fluid flow rate detecting sensing fluid flow reduction at from about 5% to 10% of said predetermined nominal operating flow rate in said fluid flow circuit said fluid flow detecting sensor energizes said control means to stop said motor means and establishes that the flow directing valve dial moved to reestablish flow.

REFERENCES:
patent: 4034918 (1977-07-01), Culbertson et al.
Hedland Series Flow Meters, Form #000142, 2-1984.

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