pump-fed system

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• Pressure-fed cycle (rocket) — The pressure fed cycle is a class of rocket engine designs. A separate gas supply, usually helium, pressurizes the propellant tanks to force fuel and oxidizer to the combustion chamber. To maintain adequate flow, the tank pressures must exceed… …   Wikipedia

• Pistonless pump — A Pistonless pump is a type of pump designed to move fluids without any moving parts other than three chamber valves.The pump contains a chamber which has a valved inlet from the fluid to be pumped, a valved outlet both of these at the bottom of… …   Wikipedia

• Breast pump — A breast pump is a mechanical device (powered manually or by electricity) that extracts milk from the breasts of a female who is lactating. The breast pump was invented and patented by Edward Lasker. [Scientific American, Vol. 8, No. 4, January… …   Wikipedia

• endocrine system, human — ▪ anatomy Introduction  group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …   Universalium

• Guidance system — A guidance system is a device or group of devices used to navigate a ship, aircraft, missile, rocket, satellite, or other craft. Typically, this refers to a system that navigates without direct or continuous human control. Systems that are… …   Wikipedia

• pres|sure-fed — «PREHSH uhr FEHD», adjective. supplied by the force of pressure, such as that of a pump: »a pressure fed fuel system …   Useful english dictionary

• gravity-feed fuel system — An aircraft fuel system in which the fuel from the supply tank to the engine is fed under gravity, rather than with the help of a booster pump. See aircraft fuel system …   Aviation dictionary

• Swimming pool sanitation — articleissues refimprove = January 2008 technical = August 2008Swimming pool sanitation refers to both visual clarity and levels of microflora, such as bacteria and viruses in swimming pools. The goal of sanitation is to prevent the spread of… …   Wikipedia

• turbine — /terr bin, buyn/, n. any of various machines having a rotor, usually with vanes or blades, driven by the pressure, momentum, or reactive thrust of a moving fluid, as steam, water, hot gases, or air, either occurring in the form of free jets or as …   Universalium

• Rainwater harvesting — is the gathering, or accumulating and storing, of rainwater. [ [http://www.harvesth2o.com/faq.shtml Definition of rainwater harvesting] ] Traditionally, rainwater harvesting has been practiced in arid and semi arid areas, and has provided… …   Wikipedia

• XCOR Aerospace — Type Private Industry Aerospace and space tourism Founded September 1999 Headquarters Mojave Spaceport Key people Jeff Greason (President and Co Founder) …   Wikipedia