PUMPE OG ANLAEG, DER ANVENDER DENNE PUMPE

A system for delivering controlled quantities of a stream of fluid to an application zone includes a positive displacement pump (100) comprising a piston housing (111) with an interior cylindrical wall (115). A pumping chamber (116) lies adjacent a closed end of the pump cylinder. A reciprocating an...

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Bibliographic Details
Main Author GUTHRIE ROGER THACKSTON
Format Patent
LanguageDanish
Published 15.05.1985
Edition4
Subjects
BLASTING
CYLINDERS
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
METHODS OF PRODUCING PAPER THEREON
PAPER-MAKING
PAPER-MAKING MACHINES
PISTONS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PRODUCTION OF CELLULOSE
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
SEALINGS
TEXTILES
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:A system for delivering controlled quantities of a stream of fluid to an application zone includes a positive displacement pump (100) comprising a piston housing (111) with an interior cylindrical wall (115). A pumping chamber (116) lies adjacent a closed end of the pump cylinder. A reciprocating and rotating piston (118) in the cylinder draws fluid into the chamber (116) and expels the fluid therefrom. A barrier fluid inlet (122) adjacent the piston (118) enables barrier fluid to be delivered to the cylinder at a pressure greater than the maximum fluid pressure in the pumping chamber (116) to preclude migration of pumping fluid along the piston to the opposite end of the cylinder.
Bibliography:Application Number: DK19840005388