Positive displacement


Positive displacement

Positive displacement may refer to:

* Positive displacement pump
* Positive displacement meter


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  • Positive displacement meter — A positive displacement meter is a type of flow meter that requires the fluid being measured to mechanically displace components in the meter in order for any fluid flow to occur. Positive displacement (PD) flowmeters make volumetric flow… …   Wikipedia

  • positive-displacement pump — stūmoklinis siurblys statusas T sritis automatika atitikmenys: angl. piston pump; positive displacement pump vok. Kolbenpumpe, f; Pumpe in Verdrängungsbauart, f; volummetrische Pumpe, f rus. поршневой насос, m pranc. pompe à piston, f; pompe… …   Automatikos terminų žodynas

  • positive displacement compressor — A pump which provides a measured amount of gas or liquid per stroke or cycle and requires some form of mechanical drive arrangement, usually a belt drive from the crankshaft; typical positive displacement compressors are piston compressors, roots …   Dictionary of automotive terms

  • Displacement — may refer to: Contents 1 Physical sciences 1.1 Physics 1.2 Engineering …   Wikipedia

  • displacement — The total volume of air displaced by all the pistons in travelling from BDC to TDC, i.e., the total volume of air and fuel the cylinder can hold before compression occurs. Also called piston displacement. Also see cubic inch displacement engine… …   Dictionary of automotive terms

  • Displacement Volumetric Meter — A Displacement Volumetric Meter is a device which measures total volume. It can operate on the principle of the fluid sweeping out a fixed calibrated volume, which produces a rotation of a calibrated gauge. By maintaining constant conditions and… …   Wikipedia

  • displacement compressor — See positive displacement compressor …   Dictionary of automotive terms

  • Displacement current — Electromagnetism Electricity · …   Wikipedia

  • displacement — Fault Fault, n. [OE. faut, faute, F. faute (cf. It., Sp., & Pg. falta), fr. a verb meaning to want, fail, freq., fr. L. fallere to deceive. See {Fail}, and cf. {Default}.] 1. Defect; want; lack; default. [1913 Webster] One, it pleases me, for… …   The Collaborative International Dictionary of English

  • displacement — A process whereby strong negative or positive emotions directed towards an object or person are, because they are for some reason blocked, redirected on to another object or person. See also defence mechanisms ; psychoanalysis …   Dictionary of sociology


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