Solids feeder apparatus

Details Solids feeder apparatus Solids feeder apparatus

1977-12-01

1979-04-24

Sheridan, Robert G.

Dispensing

Snap-acting outlet element

Axially movable tube, sleeve, or apertured cap

222137, 414217, 48 86R, C10J 330

Patent

active

041507592

ABSTRACT:
This invention sets forth a double-acting piston, which carries a floating piston, and which is reciprocated in a housing, for feeding coal to a high pressure gasifier system. The housing has a plurality of solids (for instance: coal) in-feeding ports and a single discharge port, the latter port being in communication with a high pressure gasifier system. The double-acting piston sequentially and individually communicates each of the in-feeding ports with the discharge port. The floating piston both seals off the discharge port while each in-feeding port is receiving coal or the like, to prevent undue escape of gas from the gasifier system, and translates in the housing, following a discharge of coal or the like into the discharge port, to return gas which has been admitted into the housing back into the gasifier system.

REFERENCES:
patent: 1875921 (1932-09-01), Grant et al.

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