pump relief

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• Relief valve — The relief valve is a type of valve used to control or limit the pressure in a system or vessel which can build up by a process upset, instrument or equipment failure, or fire. The pressure is relieved by allowing the pressurised fluid to flow… …   Wikipedia

• relief valve — [1] A valve in the air pump of an air injection system which dumps part of the air at high pump speeds to prevent pump damage. It may be combined with the air gulp valve. [2] Safety device on a sealed system. It opens to release fluids before… …   Dictionary of automotive terms

• 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

• 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

• Metering pump — A metering pump is a pump used to pump liquids at adjustable flow rates which are precise when averaged over time. Delivery of fluids in precise adjustable flow rates is sometimes called metering. The term metering pump is based on the… …   Wikipedia

• Sorption pump — The sorption pump is a vacuum pump that creates a vacuum by adsorbing molecules on a very porous material like molecular sieve which is cooled by a cryogen, typically liquid nitrogen. The ultimate pressure is about 10 2 mbar. With special… …   Wikipedia

• Geothermal heat pump — A geothermal heat pump system is a heating and/or an air conditioning system that uses the Earth s ability to store heat in the ground and water thermal masses. These systems operate based on the stability of underground temperatures: the ground… …   Wikipedia

• Comic Relief — This article is about the British charity for the needy. For the American charity for the homeless, see Comic Relief USA. For other uses, see Comic Relief (disambiguation). Comic Relief logo Comic Relief is an operating British charity, founded… …   Wikipedia

• Concrete pump — Because it is a fluid, concrete can be pumped to where it is needed. Here, a concrete transport truck is feeding concrete to a concrete pumper, which is pumping it to where a slab is being poured …   Wikipedia

• USS Relief (AH-1) — The sixth USS Relief (AH 1), the first ship of the U.S. Navy designed and built from the keel up as a hospital ship, was laid down 14 June 1917 by the Philadelphia Navy Yard; launched 23 December 1919; and commissioned 28 December 1920 at… …   Wikipedia

• The Pump House Gang — Infobox Book name = The Pump House Gang title orig = translator = image caption = author = Tom Wolfe illustrator = cover artist = country = United States language = English series = genre = New Journalism publisher = Farrar, Straus Giroux release …   Wikipedia