Pumps – Condition responsive control of pump drive motor – Responsive to accumulation of pumped liquid in receiver
Patent
1997-06-20
1999-07-20
Freay, Charles G.
Pumps
Condition responsive control of pump drive motor
Responsive to accumulation of pumped liquid in receiver
417422, 404 25, 404 26, 50 20, F04B 4900
Patent
active
059248467
ABSTRACT:
A cover for a sewer basin with a pump is provided with upper and lower members. The bowl-like lower member has a central cavity which may be closed in a water-tight fashion by placement of the upper member onto the lower member in a frictional fit. A flanged surface on the lower member allows it to be sealed in water-tight relationship over a maintenance entry into the basin. A control panel for the pump is mounted in the central cavity. Access may be had to the control panel without a need to open the basin, and access may be had to the basin interior without a need for opening the central cavity or the control panel housed therein.
REFERENCES:
patent: 3875051 (1975-04-01), Kovarik
patent: 4709723 (1987-12-01), Sidaway et al.
patent: 4896705 (1990-01-01), Podgers et al.
patent: 5401114 (1995-03-01), Guggemos
patent: 5553794 (1996-09-01), Oliver et al.
patent: 5727351 (1998-03-01), Neathery et al.
Arnold, Jr. Larry
Baughman Thomas R.
Fogt Jason D.
Milby Douglas
Mitsch Brian
Crane Pumps & Systems, Inc.
Freay Charles G.
Ratcliffe Paul
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