F04B49/005 - CPC Classification Index

ClassID:

143120 ⎘

F04B49/005 - CPC Classification

Classification description:

Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups - changing the phase relationship of two working pistons in one working chamber or the phase-relationship of a piston and a driven distribution member

Recent Application in this class:

20210239103

Apparatus for conveying thick matter

20180209414

DIRECT ACTUATED VALVE CONTROL HYDRAULIC PUMP AND MOTOR

20180119689

ALTERNATING FLOW HYDRAULIC PUMP CIRCUIT

20170298923

Digitized automatic control method for oil-pumping and digitized balance-shifting pumpjack

20170191474

Method of pulselessly displacing fluid

20150260181

Micro pumps

20130343923

Variable radial fluid devices in series

20130343915

Variable radial fluid device with counteracting cams

20130309103

ACTUATOR SYSTEM FOR A CONTROLLED COOLANT PUMP

20110250958

Apparatus and method for providing a user interface to an information processing system

20100047083

High pressure pump of variable displacement