A - Human Necessities – 01 – C
Patent
A - Human Necessities
01
C
A01C 3/00 (2006.01) F16K 3/02 (2006.01)
Patent
CA 2393987
A manure transfer apparatus for transferring manure from a first location to a second remote location. The apparatus has a hopper at the first location for receiving the manure, and a collection chamber communicating with the hopper for receiving the manure. It also has a pumping chamber communicating with the collection chamber, a first guillotine door positioned between the collection chamber and the inlet of the pumping chamber, and a second guillotine door positioned between the outlet of the pumping chamber and a conduit communicating to the second remote location. A first hydraulic cylinder is connected to the first guillotine door for opening and closing it. A second hydraulic cylinder is also connected to the second guillotine door for opening and closing it. A pumping tube communicates with the pumping chamber and a hydraulic piston actuated by a hydraulic cylinder is positioned within the pumping tube for sucking manure into, and pushing manure out of the suction chamber. Advantageously, a biasing spring is connected to at least one of first and second hydraulic cylinders to force this cylinder to an extended position with the corresponding guillotine door in closed position in the case where pressure in the hydraulic conduits connected to the first and second hydraulic cylinders for operating the same drops below a predetermined threshold in a predetermined period of time. Such an automatic closure prevents unwanted manure back flow.
J. Houle & Fils Inc.
Robic
LandOfFree
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