ClassID:

143272

F04B2201/1201 - CPC Classification

Classification description:

Pump parameters; Parameters of driving or driven means Rotational speed of the axis

Recent Application in this class:
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FRACTURING APPARATUS AND CONTROL METHOD THEREOF, FRACTURING SYSTEM

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ELECTRONIC PRESSURE CONTROL OF DUAL PUMP SYSTEM

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Piston pump group for brake system and control method therefor

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Fracturing apparatus and control method thereof, fracturing system

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2024-01-25

CONTROL OF A DUAL-PUMP SINGLE-POWER SOURCE SYSTEM

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2023-08-31

Progressing cavity pump control using pump fillage with PID based controller

#10
20230258172
2023-08-17

Optimizing an efficiency of a positive displacement pump with a constant or near-constant speed power source

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Electronic Pressure Compensated Hydraulic Motor Pump with Variable Output Power

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2023-02-09

HYDRAULIC FRACTURING PUMP HEALTH AND PERFORMANCE MONITORING USING IOT SENSOR NETWORKS

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2023-01-19

Positive displacement pump controller and method of operation

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Fracturing apparatus and control method thereof, fracturing system

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Fracturing apparatus and control method thereof, fracturing system

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Flow rate control for pump with flow sensor

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Accurate volume dispensing using pump and flow sensor

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20220170455
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Method for controlling the start-up of an oil pump

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SUBSTRATE PROCESSING APPARATUS AND RECORDING MEDIUM

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Liquid medicine administration device

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Device and method for monitoring oil pressure in oil cylinder of diaphragm compressor

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Method for monitoring the functioning of a compressor

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2021-01-21

Dynamic compressor controls

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2020-12-31

Positive displacement pump controller and method of operation

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Method for determining a flow volume of a fluid delivered by a pump

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Axial piston machine having integral counting perforation

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2020-08-27

Pump Control Devices, Applications and Systems

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2020-02-27

Flow locking system and method

#29
20190195219
2019-06-27

Substrate processing apparatus and recording medium

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20180274530
2018-09-27

Method for actuating semi-commanded valve and system for actuating semi-commanded valve for multi-suction alternative compressor

#31
20180202431
2018-07-19

Two-stage reciprocating compressor optimization control system

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20180066639
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LIQUID COLOR CLOSED LOOP REFILL METHOD AND APPARATUS

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System for piston rod monitoring

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2017-10-05

Hydraulic pump malfunction diagnosing device

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2017-09-21

Controller and method of controlling a rod pumping unit

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20170037846
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Pumping control unit and method of computing a time-varying downhole parameter

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#38
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2016-03-24

Hydraulic pressure control device

#39
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2016-01-07

Method for actuating semi-commanded valve and system for actuating semi-commanded valve for multi-suction alternative compressor

#40
20150377133
2015-12-31

Intake-air cooling device

#41
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2015-08-20

Method and apparatus for closed loop automatic refill of liquid color

#42
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2014-09-11

Motor drive device and motor drive method for vehicle electric pump

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Air compressor

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Feed water pump control device

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2013-07-04

Exhaust system

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2013-05-23

Flow locking system and method

#47
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2013-03-14

HYDRAULIC TRANSPORT DEVICE AND ELECTROHYDRAULIC CONTROL MODULE

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20130028757
2013-01-31

Vacuum pumping system

#49
20130004337
2013-01-03

System and method for driving a pump

#50
20120245820
2012-09-27

Apparatus and method for controlling electric oil pump

#51
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2012-03-29

Method, device and means for driving a reciprocating linear motion double acting pump

#52
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2012-02-16

Abnormality detecting device for construction machine

#53
20110271829
2011-11-10

Rotary hydraulic machine and controls

#54
20110200458
2011-08-18

MANAGING METHOD

#55
20110200450
2011-08-18

Apparatus and method for tuning pump speed

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2011-07-28

METHOD FOR CONTROLLING THE FEED RATE OF A FEED PUMP

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2011-06-09

Method for controlling a pump and motor system

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2010-12-23

Apparatus for controlling blood flow in an extracorporeal blood circuit

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2010-12-23

Flow cytometer system with unclogging feature

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2010-07-29

Method for detection of a malfunction related to a fluid affected component in a piston machine

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Fluid pressure unit

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2010-02-25

METHOD FOR DETERMINING A SETTING PARAMETER FOR A HYDROSTATIC DISPLACEMENT UNIT AND A CORRESPONDING SYSTEM

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Electronic camshaft motor control for piston pump

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20090287357
2009-11-19

System and method of constant pressure, variable speed pump control with local equalization for dissimilar pumps

#65
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2009-10-29

Method of controlling a hydraulic system

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2009-10-08

Variable Rate Pumping System

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Method for Determination of a Leakage on a Piston Machine

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Variable frequency control module for an AC compressor in an air conditioning system

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COMPRESSOR PROTECTION SYSTEM AND METHOD

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Diaphragm pump

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Blood pump system user interface alarm management

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System and method of operation of multiple screw compressors with continuously variable speed to provide noise cancellation

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VARIABLE TORQUE TRANSMITTER

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Process for controlling blood flow in an extracorporeal blood circuit

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Flow cytometer system with unclogging feature

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2008-03-13

Speed-related control mechanism for a pump and control method

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20080053468
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Flavoring-material application device

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Cigarette making apparatus

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20070081907
2007-04-12

Diaphragm pump

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2007-02-08

Rotary hydraulic machine and controls

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Method and apparatus for controlling the speed of a pump in a well

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2006-11-16

HYDRAULIC PUMP OR HYDRAULIC MOTOR HAVING A ROTATION SPEED SENSOR

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2006-07-13

Method and system for monitoring a reciprocating compressor

#85
20060088423
2006-04-27

Variable rate pumping system

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20050172621
2005-08-11

Control valve supply for rotary hydraulic machine

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20050084386
2005-04-21

Gradient liquid feed pump system, and liquid chromatograph

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20050043665
2005-02-24

Process for controlling blood flow in an extracorporeal blood circuit

#89
20050028615
2005-02-10

Determination of the piston stroke in a reciprocating piston machine

#90
15921801
2019-04-30

Method for operating a compressor