Pumps – One fluid pumped by contact or entrainment with another – Diverse pumps
Patent
1992-08-04
1994-05-17
Bertsch, Richard A.
Pumps
One fluid pumped by contact or entrainment with another
Diverse pumps
417 89, 417326, 417179, 417900, 406 67, 415912, F04B 2308, B65G 5346
Patent
active
053122313
ABSTRACT:
The objects of the invention are to prevent the backflow of slurry by first enclosing it in a closed space and then using air to force it along a discharge channel, and at the same time to ensure the smooth throughput of the slurry by causing any foreign bodies in the slurry to be broken up en route. To this end, the invention is provided with a casing enclosing a circular cross-section rotor chamber and a rotor which fits inside said rotor chamber and which is caused to rotate by a drive means. The rotor is also fitted with blades en bloc which extend radially from the rotating center section and which form moving chambers that rotate along with the rotor inside the rotor chamber. The casing is also provided with an intake port that connects with the moving chambers at the slurry intake point and a discharge port and air supply port, each of which connects, with the moving chambers at the slurry discharge point.
REFERENCES:
patent: 2757049 (1956-07-01), Temple
patent: 3291536 (1966-12-01), Smoot
patent: 3393942 (1968-07-01), Hanaya
patent: 3934937 (1976-01-01), Tee et al.
patent: 4015754 (1977-04-01), Leurs et al.
patent: 4463844 (1984-08-01), Huffmann et al.
patent: 4487553 (1984-12-01), Nagata
patent: 4609155 (1986-09-01), Garnier
patent: 4645439 (1987-02-01), Way
patent: 4846638 (1989-07-01), Pahl et al.
European Search Report, EP 92 11 2721.
Bertsch Richard A.
Engineering Corporation
McAndrews, Jr. Roland G.
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