Classification of vacuum pumps
Aug 03, 2022| Classification of vacuum pumps
According to the working principle of vacuum pumps, vacuum pumps can be basically divided into two types, namely variable volume vacuum pumps and momentum transfer pumps.
The variable-volume vacuum pump is a vacuum pump that uses the periodic change of pump chamber volume to complete the suction and exhaust to achieve the purpose of air extraction. The gas is compressed before being discharged from the pump chamber.
Momentum transfer pumps (molecular vacuum pumps) rely on high-speed rotating blades or high-speed jets to transfer momentum to gas or gas molecules so that the gas continuously from the inlet to the outlet of the pump. (Separate paragraph introduction)
The variational vacuum pump is divided into reciprocating, rotary (rotary vane, slide valve, liquid ring, Roots, spiral, claw rotor type), and other types.
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