Pumps – Successive stages
Patent
1989-08-09
1990-11-20
Chambers, A. Michael
Pumps
Successive stages
417360, 417900, 415 72, F04B 300
Patent
active
049715267
ABSTRACT:
A pumping system for a top loading manure wagon utilizing dual augers interconnected by a hose with both augers being independently driven with one auger extending into a manure pit, lagoon or the like and the other auger extending to the top loading manure wagon. The augers include support structures, an inlet and an outlet and the auger extending to the top of the wagon is driven at a slightly higher speed than the auger extending into the pit in order to prevent plugging as well as to help create a vacuum therein. The auger which extends to the tank wagon includes a stand and a shoe at the lower end to keep the auger drive means from coming into contact with a supporting surface.
REFERENCES:
patent: 734687 (1903-07-01), Erter
patent: 3716304 (1973-02-01), Coles
patent: 3876341 (1975-04-01), Nesseth
patent: 4594006 (1986-06-01), Depeault
patent: 4661046 (1987-04-01), Ruyle
patent: 4813849 (1989-03-01), Grujanac et al.
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