Positive-displacement pump - Hutchinson encyclopedia article about Positive-displacement pump

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pump

Any device for moving liquids and gases, or compressing gases.

Some pumps, such as the traditional lift pump used to raise water from wells, work by a reciprocating (up-and-down) action. Movement of a piston in a cylinder with a one-way valve creates a partial vacuum in the cylinder, thereby sucking water into it.

Gear pumps, used to pump oil in a car's lubrication system, have two meshing gears that rotate inside a housing, and the teeth move the oil. Rotary pumps contain a rotor with vanes projecting from it inside a casing, sweeping the liquid round as they move.

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1712 advanced gas-cooled reactor Aldgate aquarium Archimedes screw Armstrong, William George Australian Alps barrel organ Bath beam engine Beloit Ben Cruachan Berezovsky, Boris Abramovich black box Blaenau Ffestiniog blood pressure Bonham Booth, Hubert Cecil Boyle's law			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			Portugal, Marcus Antonio da Fonseca Portuguesa Portuguese Portuguese East Africa Portuguese Guinea Portuguese India Portuguese language Portuguese literature Portuguese man-of-war Portuguese West Africa Portumna Portumna Castle Portunus POS terminal Posada, José Guadalupe Posadas Posaune Poseidon Posen positif position position vector positioning positive integer positive organ Positive-displacement pump positive-sum situation positivism positron positron emission tomography POSIX Posner, Richard A possessive pronoun possible world possum post post hoc, ergo propter hoc Post Office post scriptum Post, Charles William Post, Emil Leon Post, Emily Post, George B Post, Richard F Post, Wiley Post- post-coital contraception post-Impressionism post-mortem post-traumatic stress disorder post-viral fatigue syndrome			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 RNA Positive-sense ssRNA virus Positive-sense ssRNA virus Positive-sense virus Positive-sense virus positive-sum situation Positive-Youth Foundation Positive/Negative positively positively positively positively positively positively charged

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pump (redirected from Positive-displacement pump)

pump

pump
(redirected from Positive-displacement pump)