gas transfer pump: 1, liquid ring vacuum pump (water ring vacuum pump) 2, 3 reciprocating pumps, rotary vane vacuum pump 4, 5 fixed vane vacuum pump, vacuum pump valve slide 6, 7 trochoidal pumps, dry vacuum pump 8 Roots vacuum pump 9, molecular vacuum pump 10, drawing molecular pump 11, the composite vacuum pump 12, a water jet pump 13, a gas jet pump 14, steam jet pumps 15, diffusion pumps, etc. 16, gas station pump
Trapping gas pump comprising: adsorption pumps and cryogenic pumps.
Currently the most widely used industrial water ring vacuum pumps and rotary vane vacuum pump.
Based on the position of the control plunger in the barrel, the control plunger opens or closes the metering slits to a larger or smaller extent. For instance, if the air flow rate is high, then the control plunger will move a larger distance against the spring to open the metering slit to a greater extent. As a result, more fuel will be delivered to the injection valve. petrol fuel systems
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