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Liquid-ring pumps are typically used as vacuum pumps, but can also be used as gas compressors.The function of a liquid-ring pump is similar to a rotary vane pump, with the difference being that the vanes are a rigid part of the rotor and churn a rotating ring of liquid to form the compression-chamber seal.
These kinds of piston pumps are characterized by the following advantages: high efficiency; high pressure (up to 1,000 bar or 14000psi) low flow and pressure ripple (due to the small dead volume in the workspace of the pumping piston) low noise level; very high load at lowest speed due to the hydrostatically balanced parts possible
A gasoline pump or fuel dispenser is a machine at a filling station that is used to pump gasoline (petrol), diesel, or other types of liquid fuel into vehicles. Gasoline pumps are also known as bowsers or petrol bowsers (in Australia and South Africa), [2] [3] petrol pumps (in Commonwealth countries), or gas pumps (in North America).
Schematic diagram of pneumatic powered gas booster types. Top to bottom: Single stage, single action; single stage double action; two stage double action. Gas booster pumps are usually piston or plunger type compressors. A single-acting, single-stage booster is the simplest configuration, and comprises a cylinder, designed to withstand the ...
Cutaway side-view diagram of an axial piston pump 3-D rendering of an axial piston pump with the parts labeled Animation of an axial piston pump in operation. An axial piston pump has a number of pistons (usually an odd number) arranged in a circular array within a housing which is commonly referred to as a cylinder block, rotor or barrel.
NYC's Times Square is already preparing for the New Year's Eve festivities. (Michael M. Santiago/Getty Images) (Michael M. Santiago via Getty Images)
An angry, drunken grandma has been busted in Tennessee for allegedly stabbing her daughter and grandson with a kitchen knife during a Thanksgiving Day argument.
The line of sucker rods is represented in this diagram by the solid black line in the center of the well. A sucker rod is a steel rod, typically between 7 and 9 metres (25 and 30 ft) in length, and threaded at both ends, used in the oil industry to join together the surface and downhole components of a reciprocating piston pump installed in an oil well.