| Patents for F04B 49 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups (22,036) |
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| 10/17/2013 | US20130272902 Electronic control method and system for a piezo-electric pump |
| 10/17/2013 | US20130272900 Method and device for controlling an auxiliary pump for a transmission |
| 10/17/2013 | US20130272897 Intelligent online closed-loop balance adjusting system for pumping unit |
| 10/16/2013 | EP2650540A1 Air compressor apparatus |
| 10/16/2013 | EP2649318A2 Discharge vacuum relief valve for safety vacuum release system |
| 10/16/2013 | CN203239548U Water pump fault detection skipping device |
| 10/16/2013 | CN203239547U Water pump pressure controller |
| 10/16/2013 | CN203239546U Electron pressure switch |
| 10/16/2013 | CN203239545U Electron pressure controller |
| 10/16/2013 | CN203239544U Control system of air compressor |
| 10/16/2013 | CN203239538U Vibrating diaphragm fan and cell phone using same |
| 10/16/2013 | CN103354874A Fluid working machine with valve actuation |
| 10/16/2013 | CN103352839A Membrane leakage guiding device with metal sheets with slots |
| 10/16/2013 | CN103352838A Frequency conversion digital compressor |
| 10/16/2013 | CN103352837A Stand-by pump automatically-starting control logic device with two pumps mutually serving as stand-by pumps |
| 10/16/2013 | CN103352836A Water pumping control circuit |
| 10/16/2013 | CN103352835A Water pumping control circuit with remote control function |
| 10/16/2013 | CN103352834A Automatic water pumping device |
| 10/16/2013 | CN103352833A Diaphragm pump hydraulic end capable of adjusting flow rate in operation |
| 10/16/2013 | CN102312829B Electric compressor controller |
| 10/15/2013 | US8556596 Water pump having a clutch |
| 10/15/2013 | US8556225 Pump chamber configured to contain a residual fluid volume for inhibiting the pumping of a gas |
| 10/15/2013 | US8555984 Linear rod pump operating method |
| 10/15/2013 | CA2581120C Speed-related control mechanism for a pump and control method |
| 10/10/2013 | WO2013151040A1 Method and device for controlling scroll compressor |
| 10/10/2013 | WO2013151014A1 Pump unit, respiratory assistance device |
| 10/10/2013 | WO2013150808A1 Control device of variable-capacity pump |
| 10/10/2013 | US20130266457 Square shoulder metering rod |
| 10/09/2013 | CN203230562U Outlet pressure control system for medium-pressure deaerated water pump |
| 10/09/2013 | CN203230561U Remote intelligent control device for water pump |
| 10/09/2013 | CN203230560U Adjustable air-supply pipeline for air compressors |
| 10/09/2013 | CN203230553U Alternating /direct voltage universal compressor |
| 10/09/2013 | CN203230552U Solar energy direct current compressor |
| 10/09/2013 | CN103348136A Device and system for monitoring a pneumatically-actuated alternating linear displacement pump |
| 10/09/2013 | CN103343741A Double-cylinder pumping device hydraulic oil displacement control method, double-cylinder pumping device and equipment |
| 10/09/2013 | CN103341781A Hydrostatic bearing oil film thickness control system |
| 10/09/2013 | CN102032166B Method for detecting control signal of negative pressure pump |
| 10/08/2013 | US8550796 Variable capacity fluidic machine |
| 10/08/2013 | US8550792 Energy conversion device and method of reducing friction therein |
| 10/08/2013 | US8550790 Vacuum generator, driven by high-pressure air, and having means arranged therewith for the active release of an object that is gripped in a vacuum-gripper |
| 10/08/2013 | US8550789 Linear compressor |
| 10/03/2013 | WO2013145761A1 Electricity generation system and operating method therefor |
| 10/03/2013 | US20130259714 Variable Displacement Compressor |
| 10/03/2013 | US20130259707 System and method for monitoring and control of cavitation in positive displacement pumps |
| 10/02/2013 | DE102012105951A1 Pumpensystem zur Evakuierung von Gas aus einer Mehrzahl von Kammern sowie Verfahren zur Steuerung des Pumpensystems A pump system for evacuating gas from a plurality of chambers as well as procedures for control of the pump system |
| 10/02/2013 | DE102012102850A1 Fluidfördervorrichtung und Fluidförderverfahren für medizinische Anwendungen Fluid delivery device and fluid delivery method for medical applications |
| 10/02/2013 | DE102012006444A1 Verfahren zum Betreiben eines Pumpenaggregats A method of operating a pump unit |
| 10/02/2013 | CN203223368U System for maintaining pressure balance of diaphragm compressor |
| 10/02/2013 | CN203223367U Intelligent controller of drilling well air compressor |
| 10/02/2013 | CN203223366U Paper machine vacuum pump energy-saving device |
| 10/02/2013 | CN203223365U Remote monitoring system of air compressor |
| 10/02/2013 | CN203223364U Constant pressure control system of air compressor |
| 10/02/2013 | CN203223363U Air compressor |
| 10/02/2013 | CN203223362U Constant pressure control system of air compressor |
| 10/02/2013 | CN203223361U Remote automatic operation system for pump stations |
| 10/02/2013 | CN203223360U Water pump energy-saving device of fan |
| 10/02/2013 | CN203223359U Photovoltaic water pump system with sensor-free brushless DC motor |
| 10/02/2013 | CN203223358U Hot spring water pump controller |
| 10/02/2013 | CN203223344U Pressure regulation device applied to high-pressure fluid |
| 10/02/2013 | CN103334914A Intelligent protection device for air compressor |
| 10/02/2013 | CN103334913A Control system of air compressor |
| 10/02/2013 | CN103334912A Control circuit of electro connecting pressure gauge |
| 10/02/2013 | CN103334903A On-line cleaning method for oil injection compressor lubricating oil and system thereof |
| 10/02/2013 | CN103334902A Non-emptying unloading start-up system and non-emptying unloading start-up method for compressor |
| 10/01/2013 | US8546984 Pump motor control assembly |
| 10/01/2013 | US8545198 Surgical cassette |
| 10/01/2013 | US8545195 Hydrogen generator with pump |
| 10/01/2013 | US8545191 Water pump for vehicle |
| 10/01/2013 | US8545190 Valve with shuttle for use in a flow management system |
| 10/01/2013 | US8545189 Method and arrangement for controlling a pumping station |
| 10/01/2013 | US8545188 Controller and the use thereof |
| 10/01/2013 | CA2722638C Rapid occlusion steady state pumping system |
| 09/26/2013 | WO2013140255A1 Controlling operation of a reduced pressure therapy system based on dynamic duty cycle threshold determination |
| 09/26/2013 | WO2012152886A3 Actuating module for an electric vacuum pump |
| 09/26/2013 | WO2011104547A3 Fluid-working machine valve timing |
| 09/26/2013 | US20130253420 Occlusion detection using pulse-width modulation and medical device incorporating same |
| 09/26/2013 | US20130251542 Speed Control |
| 09/26/2013 | US20130251541 Apparatus for Controlling Electric Pump |
| 09/26/2013 | US20130251540 Method and Control Device for Variable Rotational Speed Control of a Displacement Pump Unit and Displacement Pump Arrangement |
| 09/26/2013 | DE112011100048B4 Arbeitsfahrzeug und Steuerverfahren für ein Arbeitsfahrzeug Work vehicle and control method for a working vehicle |
| 09/26/2013 | DE102013004971A1 Vorrichtung und Verfahren zur Steuerung/Regelung einer elektrischen Pumpe Apparatus and method for controlling / regulating an electric pump |
| 09/26/2013 | DE102012204402A1 Electronic circuit module for controlling lifting magnet diaphragm pump, has high-side switch, low-side switch and diode that is connected with its cathode to power supply line and with its anode to ground |
| 09/26/2013 | DE102012102405A1 Kältemittelverdichter Refrigerant compressor |
| 09/25/2013 | EP2640975A1 Fluidics with thermal compensation for a flow-type particle analyzer |
| 09/25/2013 | EP2640973A1 Method and control device for the rotational-speed-variable control of an expeller pump unit and expeller pump arrangement |
| 09/25/2013 | CN203214292U Inflation pump |
| 09/25/2013 | CN203214291U Concrete pump truck and automatic reverse pump device thereof |
| 09/25/2013 | CN203214290U Parallel control system for double-pump unit |
| 09/25/2013 | CN203214289U Constant-pressure variable frequency pump used for water supply system |
| 09/25/2013 | CN203214288U Automatic temperature control protective box for water pump in water quality monitoring station |
| 09/25/2013 | CN203214287U Device for regulating water flow quantity through frequency converter |
| 09/25/2013 | CN203214286U Numerical-controlled inflator pump |
| 09/25/2013 | CN203214285U Control switch for high-pressure plunger pump |
| 09/25/2013 | CN203214263U Concrete pump |
| 09/25/2013 | CN103328822A Method and control device for the rotational-speed-variable control of an expeller pump unit and expeller pump arrangement |
| 09/25/2013 | CN103321886A Engine oil inductor for air compressor |
| 09/25/2013 | CN103321885A Energy-saving control system and energy-saving control method for slurry circulating pumps in wet desulfurization process |
| 09/25/2013 | CN103321884A Apparatus for controlling electric pump |
| 09/25/2013 | CN103321883A Actuating cylinder of reciprocating compressor gas flow regulating system |
| 09/25/2013 | CN101910633B 压缩机传感器模块 Compressor sensor module |