positive-displacement pump

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positive-displacement pump [′päz·əd·iv dis¦plās·mənt ‚pəmp]

(mechanical engineering)

A pump in which a measured quantity of liquid is entrapped in a space, its pressure is raised, and then it is delivered; for example, a reciprocating piston-cylinder or rotary-vane, gear, or lobe mechanism.

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No references found			The C-series eccentric disc pump is an energy efficient, positive-displacement pump that can be utilized throughout a number of liquid-handling aspects of paint and coatings manufacturing, most notably the movement of resins, solvents, additives, caustics, solids and byproduct waste. Blackmer offers C-series disc pump for paint applications by Coatings World is a positive-displacement pump for open and closed-mold processes that reportedly delivers [+ or -] 0. New resin/catalyst pump reduces flow variation by Plastics Technology A positive-displacement pump delivers liquid additive to a nozzle, which sprays the additive over the solids as they pass through the cascade chamber just above the extruder throat. Gravimetric blender adds liquids by Plastics Technology			positive pedal curve positive phase sequence positive photokinesis positive phototaxis positive pole Positive Process positive ray positive real function Positive Relief form positive semidefinite positive series positive shoreline positive sign positive skewness positive temperature coefficient positive terminal positive transfer positive transmission positive vetting positive with respect to a signed measure positive zero positive-displacement positive-displacement compressor Positive-Displacement Hydraulic Drive positive-displacement meter positive-displacement pump positive-grid oscillator positive-ion sheath positive-phase-sequence relay Positivism Positron positron camera positron depth profiling positron emission positron emission spectroscopy positron emission tomography Positronium positronium velocity spectroscopy POSIX POSIX-based Poska, Dionizas Poslukh Posmitnyi, Makar Posmitnyi, Makar Anisimovich Posner, Richard A. Posner, Richard Allen Posnikov, Aleksandr Posnikov, Aleksandr Sergeevich Posokha Posokhin, Mikhail Posokhin, Mikhail Vasilevich			positive very large move positive vetting positive vetting Positive Vibrations Youth Steel Orchestra Positive Vision Network Positive volume index Positive volume index Positive volume index Positive Vorticity Advection positive with respect to a signed measure Positive Women Leaders of Uganda Positive Women of Hope Organization Positive Word-of-Mouth Positive Work Environment Positive yield curve Positive Yield Curves Positive youth development Positive Youth Initiative positive zero Positive, Proactive, Organized, Flexible and Focused Positive-Channel Metal Oxide Semiconductor Positive-channel, Negative-channel junction Positive-Definite Toeplitz Matrix positive-displacement positive-displacement compressor Positive-Displacement Hydraulic Drive positive-displacement meter positive-displacement pump Positive-Electrolyte-Negative Positive-End Airway Pressure Positive-Going Transition positive-grid oscillator Positive-Intrinsic-Negative Positive-Ion Chemical Ionization positive-ion sheath positive-negative pressure breathing Positive-Negative-Positive Positive-Negative-Positive-Negative positive-phase-sequence relay Positive-Pressure Mechanical Ventilation Positive-Referenced Emitter Coupled Logic Positive-sense RNA Positive-sense RNA Positive-sense RNA Positive-sense ssRNA virus Positive-sense ssRNA virus Positive-sense virus Positive-sense virus Positive-Youth Foundation Positive/Negative positively positively positively positively positively positively charged Positively Charged Dextran Resin positively declared

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