Sealed flight screw injector

Details Sealed flight screw injector Sealed flight screw injector

1979-08-23

1981-02-10

Nase, Jeffrey V.

Conveyors: fluid current

With diverse power-driven conveyor

198625, 198629, 198795, 406 56, 406 79, B65G 5340

Patent

active

042498384

ABSTRACT:
An injector with a pair of counter-rotating screws that are mounted along parallel axes in cylindrical chambers formed in a housing are driven in synchronism by a driver. A series of plates are slidably received in a track provided in the housing and are fitted between successive flights of the screws. The plates are carried by the screws in an endless path within the housing. Pockets formed by the plates, screw flights and chamber walls carry particulate solids from an inlet port to a discharge port of the housing for injection into a pressurized hydraulic transport line.

REFERENCES:
patent: 1671207 (1928-05-01), Parlongue
patent: 2223639 (1940-12-01), Ponder
patent: 3841946 (1974-10-01), Carter
patent: 3931999 (1976-01-01), McCain

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