TREA

Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids

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Industry

  • CPC
  • F04C28/00
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS

Current Industry

F04C28/00Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids

Sub Industries

F04C28/02specially adapted for several pumps connected in series or in parallel F04C28/04specially adapted for reversible pumps F04C28/06specially adapted for stopping, starting, idling or no-load operation F04C28/065Capacity control using a multiplicity of units or pumping capacities F04C28/08characterised by varying the rotational speed F04C28/10characterised by changing the positions of the inlet or outlet openings with respect to the working chamber F04C28/12using sliding valves F04C28/125with sliding valves controlled by the use of fluid other than the working fluid F04C28/14using rotating valves F04C28/16using lift valves F04C28/18characterised by varying the volume of the working chamber F04C28/185by varying the useful pumping length of the cooperating members in the axial direction F04C28/20by changing the form of the inner or outer contour of the working chamber F04C28/22by changing the eccentricity between cooperating members F04C28/24characterised by using valves regulating pressure or flow rate F04C28/26using bypass channels F04C28/265being obtained by displacing a lateral sealing face F04C28/28Safety arrangements Monitoring
Industries