F04D9/044 - CPC Classification Index

ClassID:

143981 ⎘

F04D9/044 - CPC Classification

Classification description:

Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock Means for rendering the priming pump inoperative

Sub-classes:

F04D9/045 » {the means being liquid level sensors} 2
F04D9/047 » {the means being flow sensors} 4
F04D9/048 » {the means being outlet pressure sensors} 3
F04D9/049 » {by operator interventions} 0

Recent Application in this class:

20210071670

System for priming a pool pump

20190249670

Method and device for venting the suction side of a synthetically commutated hydraulic pump