Conveyors: fluid current – With signal – indicator – or inspection means – With load motion observing means
Patent
1996-10-02
1998-03-17
Pike, Andrew C.
Conveyors: fluid current
With signal, indicator, or inspection means
With load motion observing means
406 93, 406142, 406153, 406191, 406194, B65G 5324
Patent
active
057279080
ABSTRACT:
An air lift pump for wet particulates has a plurality of transport tubes and air injectors disposed in a central column for transporting particulate matter from a lower elevation to a higher elevation. The central column has a closed top and an open bottom. Each tube has a lower, intake end, a lower first air injector and an upper second air injector. Each air injector is comprised of a housing disposed around an air injection section of the transport tube in which is mounted a first or second air jet, respectively. Compressed air is supplied to the first air injector via an air supply line and to the second air injector via an air supply line and the central column.
REFERENCES:
patent: 914105 (1909-03-01), Boland
patent: 1152302 (1915-08-01), Davenport
patent: 1549285 (1925-08-01), Baker
patent: 2610093 (1952-09-01), Bergman
patent: 2826460 (1958-03-01), Cameron et al.
patent: 4838071 (1989-06-01), Hoppe et al.
Andritz Sprout-Bauer, Inc.
Pike Andrew C.
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