Vented product pump and air filter arrangement

Details Vented product pump and air filter arrangement Vented product pump and air filter arrangement

1989-02-28

1989-12-26

Peters, Jr., Joseph F.

Conveyors: fluid current

Pulsing fluid current

406109, 406121, 406122, 406130, 406171, B65G 5366, B65G 5346, B65G 5360

Patent

active

048894524

ABSTRACT:
An apparatus for handling communited materials including a material hopper defining a zone into which the material may be deposited, a filter device having an inlet communicating with the material depositing zone, a pump defining a chamber for receiving material from the hopper, a valve for controlling the supply of material from the hopper to the pump chamber, a device for injecting fluid under pressure into the pump chamber to flush material disposed therein through a pump outlet, a valve for controlling the supply of fluid into the pump chamber, a venting conduit intercommunicating the pump chamber and the inlet of the filter device, and a valve for controlling the flow of fluid through the venting conduit.

REFERENCES:
patent: 1385870 (1921-07-01), Gieseler
patent: 1669635 (1928-05-01), Thomas
patent: 2734782 (1956-02-01), Galle
patent: 2907606 (1959-10-01), Caldwell
patent: 3069205 (1962-12-01), McIver
patent: 3233945 (1966-02-01), Kurtz
patent: 3424501 (1969-01-01), Young
patent: 3489464 (1970-01-01), Delfs
patent: 4009912 (1977-03-01), Mraz
patent: 4061401 (1977-12-01), Brown
patent: 4073244 (1978-02-01), Snowdon

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