pressure pump
111Pulsometer steam pump — The Pulsometer steam pump is a pistonless pump which was patented in 1872 [cite web title = Pumps History Resources publisher = ASME url = http://www.asme.org/Communities/History/Resources/Pumps.cfm] by American Charles Henry Hall. In 1875 a… …
112zero-delivery pressure — The pressure delivered by a variable displacement pump when no services are being operated. It is the normal operating mode, with a zero stroke, when no system is being operated. The swash plate in this case has a positive angle of inclination… …
113Mean effective pressure — The mean effective pressure is a quantity related to the operation of an reciprocating engine and is a valuable measure of an engine s capacity to do work that is independent of engine displacement[1]. When quoted as an indicated mean effective… …
114Intelligent pump — is a pump that has the ability to regulate and control flow or pressure. Typical advantages are energy savings, lifetime improvements and system cost reductions. ee also* [http://news.thomasnet.com/fullstory/483666 Lifetime improvements with… …
115Force pump — (Mach.) (a) A pump having a solid piston, or plunger, for drawing and forcing a liquid, as water, through the valves; in distinction from a pump having a bucket, or valved piston. (b) A pump adapted for delivering water at a considerable height… …
116Variable displacement pump — A variable displacement pump is a device that converts mechanical energy to hydraulic (fluid) energy. The displacement, or amount of fluid pumped per revolution of the pump s input shaft can be varied while the pump is running.Many variable… …
117Negative pressure wound therapy — (NPWT) is the use of sub atmospheric pressure to promote or assist wound healing, or to remove fluids from a wound site. Introduction Negative Pressure Wound Therapy has two forms which mainly differ in the type of dressing used to transfer NPWT… …
118diffusion pump — noun vacuum pump used to obtain a high vacuum • Syn: ↑condensation pump • Hypernyms: ↑air pump, ↑vacuum pump * * * noun : a vacuum pump for producing extremely high vacuums by diffusing gas into a jet of vapor of mercury or some heavy oil by… …
119Mud pump — Mud pumps (blue) in foreground A mud pump is a reciprocating piston/plunger device designed to circulate drilling fluid under high pressure (up to 7,500 psi (52,000 kPa) ) down the drill string and back up the annulus. Mud pumps come in a… …
120Siphon pump — Siphon Si phon, n. [F. siphon, L. sipho, onis, fr. Gr. ??? a siphon, tube, pipe.] 1. A device, consisting of a pipe or tube bent so as to form two branches or legs of unequal length, by which a liquid can be transferred to a lower level, as from… …
