pump-down operation
1Operation Sandblast — Part of Cold War (1953–1962) …
2Operation Wolf 3 — Developer(s) Taito Publisher(s) Taito …
3pump — 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 …
4Operation Barrel Roll — For other uses, see Barrel roll. Operation Barrel Roll Part of Vietnam War Date 14 December 1964 – 29 March 1973 Location Northeastern …
5Operation Crimp — Part of the Vi …
6Operation Moolah — MiG 15 in the Korean War Gallery at the National Museum of the United States Air Force. Operation Moolah was a United States Air Force (USAF) effort during the Korean War to obtain through defection a fully capable Soviet MiG 15 jet fighter.[1]… …
7Vacuum 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… …
8Sorption 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… …
9Hand pump — This article is about water and air pumps. For the beer dispensing device, see Beer engine. A rural handpump in Belgium. Hand pumps are manually operated pumps; they use human power and mechanical advantage to move fluids or air from one place to …
10Diffusion pump — Six inch oil diffusion pump. Diffusion pumps use a high speed jet of vapor to direct gas molecules in the pump throat down into the bottom of the pump and out the exhaust. Presented in 1915 by Wolfgang Gaede[1] and using mercury vapor, they were… …
