Pneumatic line clean out device

Details Pneumatic line clean out device Pneumatic line clean out device

1980-08-08

1982-10-19

Skaggs, H. Grant

Conveyors: fluid current

Selective delivery

Destination controlled by sensed condition

406 11, 221278, B65G 5366

Patent

active

043547753

ABSTRACT:
A device for cleaning blockages of a pneumatic tube for carrying seeds or similar particulate matter comprising a sensing device adapted to sense the blockage, a gate in the tube adapted to be opened in response to the sensor and a pneumatic device to blow the seed or other matter out of the tube. A time delay relay may be used to prevent unwarranted recycling of the gate opening and pneumatic devices.

REFERENCES:
patent: 2554583 (1951-05-01), McFall
patent: 2793083 (1957-05-01), Oetiker
patent: 3455588 (1969-07-01), Frantz
patent: 3891120 (1975-06-01), Loesch et al.

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