Self-cleaning submersible pump
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United States of America Patent
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-
Oct 4, 1983
Issued Date -
N/A
app pub date -
Nov 30, 1981
filing date -
Jan 10, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pump for pumping liquids which may contain solid debris, comprising a conduit having an orifice at its lowest region for the ingress of liquid when the lowest region is submerged in the liquid, one end of the conduit being connected to a sources of pulses of propellant fluid (e.g. air) and the other end being adapted to deliver slugs of liquid to a receiving vessel. The conduit may be U-shaped with the orifice at the bottom, or it may comprise one conduit portion within and open to another conduit portion having the orifice at the bottom thereof.
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