pump ring

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• pump — pump1 pumpable, adj. pumpless, adj. pumplike, adj. /pump/, n. 1. an apparatus or machine for raising, driving, exhausting, or compressing fluids or gases by means of a piston, plunger, or set of rotating vanes. 2. Engin., Building Trades. a shore …   Universalium

• Liquid ring — A liquid ring pump is a rotating positive displacement pump. They are typically used as a vacuum pump but can also be used as a gas compressor.The function of a liquid ring pump is similar to a rotary vane pump the difference being that the vanes …   Wikipedia

• Cock ring — One design variant of a cock ring A cock ring, or cockring, is a ring that is placed around a man s penis, usually at the base, primarily to slow the flow of blood from the erect penile tissue, thus maintaining erection for a much longer period… …   Wikipedia

• Oil pump (internal combustion engine) — This article is about a part in an internal combustion engine. For other uses, see Oil pump. Oil circulation system …   Wikipedia

• Vacuum pump — A vacuum pump is a device that removes gas molecules from a sealed volume in order to leave behind a partial vacuum. The vacuum pump was invented in 1650 by Otto von Guericke. Types Pumps can be broadly categorized according to three… …   Wikipedia

• Fuel pump — should not be confused with fuel dispenser, a device that dispenses fuel into an automobile. A high pressure fuel pump on a Yanmar 2GM20 marine diesel engine. A fuel pump is a frequently (but not always) essential component on a car or other… …   Wikipedia

• Thames Water Ring Main — The Thames Water Ring Main (TWRM) formerly known as the London Water Ring Main (LWRM) is a major part of London s water supply infrastructure that consists of an approximately 80 km system of mostly 2.54 m (100 ) concrete pipelines used to… …   Wikipedia

• Discovery and development of proton pump inhibitors — Proton pump inhibitors (PPIs) block the gastric Hydrogen potassium ATPase (H+,K+ ATPase) and inhibit gastric acid secretion. These drugs have emerged as the treatment of choice for acid related diseases, including gastroesophageal reflux disease… …   Wikipedia

• Infusion pump — A type of infusion pump, manufactured by Fresenius. An infusion pump infuses fluids, medication or nutrients into a patient s circulatory system. It is generally used intravenously, although subcutaneous, arterial and epidural infusions are… …   Wikipedia

• Obturator ring — For other uses see Obturator Obturator rings are a specific type of piston ring used in World War I aero engines to compensate for warping of the cylinders. Purpose The rotary aircraft engines of World War I (engines with the crankshaft fixed to… …   Wikipedia

• O-ring — This article is about the mechanical seal. For other uses, see Oring. Typical O ring and application An O ring, also known as a packing, or a toric joint, is a mechanical gasket in the shape of a torus; it is a loop of elastomer with a disc… …   Wikipedia