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5967760 |
Jet pump with filter for washing machines
A clog resistant pump for washwater employs two water flow circuits. The first powered by a conventional motor-driven pump uses filtered washwater and drives a jet-pump discharging unfiltered...
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5108600 |
Surface cleaning apparatus
A separator jet to separate a first liquid from a second liquid upon which the first liquid is floating. The separator jet has a main body with a base and a top. There is an inlet nozzle in the...
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4501659 |
Skimmer apparatus for swimming pools
Skimmer apparatus for swimming pools and the like having a receptacle in which a skimmer basket is fitted. The receptacle provides a chamber into which pool water flows through the skimmer. Water...
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4396355 |
Ejector
An ejector 110 having an additional nozzle 173 for issuing a fluid at a relatively high pressure through a throat 113 of the ejector 110 into an outlet 114 from the throat 113, so as to clear any...
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4310288 |
Method and apparatus for improving erosion resistance of the mixing chamber of a jet pump
To improve the erosion resistance of the mixing chamber of a jet pump employed to pump particulate containing fluids, this invention contemplates directing a pressurized source of clean fluid...
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4294573 |
Submersible electrically powered centrifugal and jet pump assembly
A petroleum well has a plurality of centrifugal pump stages, a jet pump stage, and an electrical drive motor. A recirculated portion of the output from high pressure stages of the centrifugal pump...
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4184806 |
Pumping ejector
Pumping ejector having a fixed tubular ejector body passing through the wall of a protective cell. In its part which projects into the cell this body has an extension provided with a first lateral...
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3610780 |
JET PUMP SYSTEM
Obstructions in the ejector of a jet pump system are removed by backflushing the system using pressurized fluid from the system storage tank and venting the pressure line to ambience. Venting of...
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3592564 |
MOVABLE PUMP WITH FLANGE HAVING SEALING MEANS THEREON
Movably positioned pumps, particularly sump pumps, are provided where the pump is accurately positioned on fixed guide means for controlled vertical movement into and out of a sump. The pump has a...
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3592562 |
TAKEOFF FOR HOT DUSTY GASES
A takeoff using injector action to aspirate dirty furnace gas from a sample zone and force it to an analyzer. Part of the water used for injector action is used to scavenge and rinse the walls of...
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3464189 |
GAS CLEANING APPARATUS
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3304564 |
Apparatus for cleaning a body of liquid and maintaining its level
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3212450 |
Ejector type pumping apparatus
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