Water powered sump pump

Patent · Tue Nov 13 00:00:00 EST 1984

OSTI ID:5898106

Eulass, D S

A water powered sump pump having an ejector with an inlet end and a discharge end and enclosed within a housing providing support for the ejector. A control chamber about the inlet end of the ejector has a diaphragm valve which operates to control communication with a water pressure source responsive to operation of a float controlled pilot valve. Multi-stage turbulence and progressively increasing energy and velocity is effected in sump water directed to a propulsion zone defined about the ejector nozzle and communicating with the mouth end of a venturi leading to a discharge outlet from the ejector.

• Assignee: EDB-85-054235
• Patent Number(s): US 4482299
• OSTI ID: 5898106
• Resource Relation: Patent File Date: Filed date 25 Aug 1982; Other Information: PAT-APPL-411248
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
WATER PUMPS
EFFICIENCY
FLOW RATE
INTAKE STRUCTURES
NOZZLES
OPERATION
OUTLET STRUCTURES
PRESSURE CONTROL
PRESSURE MEASUREMENT
SUPPORTS
VALVES
VENTURI TUBES
CONTROL
CONTROL EQUIPMENT
EQUIPMENT
FLOW REGULATORS
MECHANICAL STRUCTURES
PUMPS
320300* - Energy Conservation
Consumption
& Utilization- Industrial & Agricultural Processes