| 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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| 07/06/2011 | CN201891587U Circuit system of intelligent water pump |
| 07/06/2011 | CN201891586U Air-pressure pulse foot pump |
| 07/06/2011 | CN201891585U Infrared monitoring alarm for abrasion of multi-stage pump balancing disc |
| 07/06/2011 | CN1952398B Compressor capacity modulation system and method |
| 07/06/2011 | CN102116284A No-setting pump no-liquid idling preventing protector |
| 07/06/2011 | CN102116283A Method for protecting elastic hose of peristaltic pump |
| 07/06/2011 | CN102116282A PID (Proportion Integration Differentiation) control method for intelligent start-stop of cooling of compressor in high- and low-temperature experiment box |
| 07/06/2011 | CN102116281A Water cut-off pump |
| 07/06/2011 | CN102116278A Fluid pressurizing machine |
| 07/06/2011 | CN102116086A Pumping hopper device and control method thereof |
| 07/06/2011 | CN101504897B Novel pressure tunable switch apparatus |
| 07/06/2011 | CN101361244B Electronic method for starting compressor |
| 07/06/2011 | CN101349264B Compressor with blocked suction capacity modulation |
| 07/05/2011 | US7972117 Pump control system for submersible pumps |
| 06/30/2011 | US20110160788 Positive displacement pump system and method |
| 06/30/2011 | US20110158830 Negative control type hydraulic system |
| 06/30/2011 | US20110158825 System and method for modifying an automobile engine for use as a gas compressor |
| 06/30/2011 | US20110158824 Subsea technique for promoting fluid flow |
| 06/30/2011 | US20110158823 Shuttle pump with controlled geometry |
| 06/30/2011 | US20110158822 Method and Device for Automatically Conveying Liquids of Gases |
| 06/30/2011 | US20110158821 Hydraulic circuit and method for controlling the same |
| 06/30/2011 | DE102009055203A1 Method for identification of operating mode of pump, particularly drain pump for household appliance, involves supplying liquids by pump, where electric motor driving pump is controlled by regulating unit |
| 06/30/2011 | DE102009055195A1 Method for pumping out liquid from e.g. washing machine, involves controlling motor as function of ripple value and threshold value such that rotational speed of pump is reduced and/or increased when ripple value exceeds threshold value |
| 06/30/2011 | DE102009055194A1 Method for controlling pump, particularly drain pump for household appliance to pump down liquid from household device, involves operating pump by variable input or output speed |
| 06/30/2011 | DE102009055191A1 Method for controlling e.g. drain pump, that pumps out liquid from e.g. dishwasher, involves providing pump delivery volume flow less than compared delivery volume flow that results when pump is operated above minimum delivery volume flow |
| 06/29/2011 | EP2338423A2 Method for conveying a fluid and device for producing a volume flow |
| 06/29/2011 | EP2337956A1 Air compressor |
| 06/29/2011 | CN201884261U System for monitoring vacuum pump of photovoltaic equipment |
| 06/29/2011 | CN201884259U Energy-saving control system for air compressor group |
| 06/29/2011 | CN201884258U Automatic control electronic switch of air compressor |
| 06/29/2011 | CN201884257U Emergency electric pump protection system applicable for special-purpose vehicles |
| 06/29/2011 | CN201884256U Solar water heater and intelligent control water pump thereof |
| 06/29/2011 | CN201884255U High-displacement high-and-low-pressure automatic switching operator for concrete pumps |
| 06/29/2011 | CN201884250U Hydraulic diaphragm metering pump with diaphragm protection function |
| 06/29/2011 | CN201884062U Mine intrinsic safety type automatic dewatering and measurement and control protective device |
| 06/29/2011 | CN102108962A Variable frequency control single-cylinder double-acting double-liquid grouting pump |
| 06/29/2011 | CN101608613B Zero-disturbance switching method of pipeline transportation standby pump |
| 06/29/2011 | CN101387117B Traveling-type hydraulic working machine |
| 06/29/2011 | CN101235808B Double-headed piston type compressor |
| 06/28/2011 | US7967573 Method for driving a bidirectional motor to rotate a fluid circulation pump |
| 06/28/2011 | US7967572 Hydrogen operated power system |
| 06/23/2011 | WO2011075324A1 Condensate pump |
| 06/23/2011 | WO2011072808A1 Method for operating a hydraulic working machine |
| 06/23/2011 | WO2011038176A3 Crankcase heater systems and methods for variable speed compressors |
| 06/23/2011 | WO2011007306A3 Pump with rotor position measurement system |
| 06/23/2011 | US20110152772 Peristaltic Pump with Bi-Directional Pressure Sensor |
| 06/23/2011 | US20110150672 Pump apparatus and control method for controlling the pump apparatus |
| 06/23/2011 | US20110150671 Supercharger timing gear oil pump |
| 06/23/2011 | US20110150670 Transmission pump with one-way clutch function and method of assembling pump hub for a torque converter to a transmission pump |
| 06/23/2011 | US20110150667 Mems electrostatic fluidic pumps and valves |
| 06/23/2011 | US20110146820 Transmission hydraulic control system having an accumulator bypass valve assembly |
| 06/23/2011 | US20110146593 Commercial hot water control system |
| 06/22/2011 | EP2232076B1 High-energy efficiency plant for automotive methane compression |
| 06/22/2011 | CN201874809U Concrete pump truck and concrete piston lubricating system |
| 06/22/2011 | CN201874795U Frequency conversion speed regulation type hydraulic coupler electrically-driven feed pump |
| 06/22/2011 | CN201874794U Control system of multiparameter sea water pump |
| 06/22/2011 | CN201874793U Automatic control device on vacuum pump |
| 06/22/2011 | CN201874792U Control device used on air compressor |
| 06/22/2011 | CN201874791U Practical high/low speed control system for spinning metering pump |
| 06/22/2011 | CN201874790U Mobile phone remote water pump control device |
| 06/22/2011 | CN201874789U Remote-control sewage pump |
| 06/22/2011 | CN102102664A Malfunction unloading device |
| 06/22/2011 | CN102102663A Pulsation attenuators |
| 06/22/2011 | CN102102662A Vacuum pump with anti-back suction function |
| 06/22/2011 | CN102102661A Marine water pump control device with wireless sensing function, and control method and adjustment method thereof |
| 06/22/2011 | CN102102660A Power control method for outdoor unit of variable frequency air conditioner |
| 06/22/2011 | CN102102659A Adjustable energy-saving compressor |
| 06/22/2011 | CN102102651A Light energy-efficient intelligent clarified water pump |
| 06/22/2011 | CN101649631B Wired remote transmission frequency-conversion water supply system through pressure signals |
| 06/21/2011 | US7965054 Vacuum pump |
| 06/21/2011 | US7963749 Fan with variable motor speed and disk type unloading device |
| 06/21/2011 | US7963748 Centrifugal air compressor |
| 06/21/2011 | US7963110 Systems and methods for improving drivetrain efficiency for compressed gas energy storage |
| 06/17/2011 | CA2688801A1 Shear coupling assembly for use with rotary and reciprocating pumps |
| 06/16/2011 | WO2011071578A1 Control system for swashplate pump |
| 06/16/2011 | WO2011071528A2 System and method for controlling linear pump system |
| 06/16/2011 | WO2011071518A1 Quick connect sensor apparatus |
| 06/16/2011 | US20110142690 Pump apparatus, power transmission apparatus, and vehicle |
| 06/16/2011 | US20110142685 Pump unloader valve and engine throttle system |
| 06/16/2011 | US20110139532 Hydraulic Motor Unit and Hydraulic Four-Wheel-Drive Working Vehicle |
| 06/16/2011 | US20110138848 Variable capacity type rotary compressor, cooling apparatus having the same, and method for driving the same |
| 06/16/2011 | DE19948602B4 Schüttgutpumpenvorrichtung Bulk pump device |
| 06/16/2011 | DE112009001314T5 Verdrängungssteuersystem für einen variablen Verdrängungsverdichter Displacement control system for a variable displacement compressor |
| 06/16/2011 | DE10201490B4 Hydraulikdrucksteuergerät für ein Automatikgetriebe eines Fahrzeugs Hydraulic pressure control device for an automatic transmission of a vehicle |
| 06/16/2011 | DE102010053280A1 Kompressorleistunggssteuerungsverfahren und Vorrichtung zur Leistungssteuerung eines Kompressors Kompressorleistunggssteuerungsverfahren and apparatus for power controlling a compressor |
| 06/16/2011 | DE102009058365A1 Steuerungsanordnung für eine ventilgesteuerte hydrostatische Verdrängereinheit Control arrangement for a valve-controlled hydrostatic displacement unit |
| 06/16/2011 | DE102009057927A1 Three-piston pump for conveying e.g. diesel, to cylinders of internal-combustion engine, has pump unit with valve provided with lower pressure, where volume of space of pump unit is smaller than volume of space of another pump unit |
| 06/16/2011 | DE102009057858A1 Vorrichtung und Verfahren zur Überwachung einer im Flüssigkeitssystem einer extrakorporalen Blutbehandlungsvorrichtung angeordneten elektrisch betriebenen Pumpe Apparatus and method for monitoring a fluid system arranged in an extracorporeal blood treatment apparatus electrically driven pump |
| 06/15/2011 | EP2333342A1 Damping arrangement and pump with a damping arrangement |
| 06/15/2011 | EP2333341A1 Peristaltic hose pump |
| 06/15/2011 | EP1915533B1 Regulator device for a hydrostatic piston machine with electronic control unit |
| 06/15/2011 | EP1497558B1 Vacuum pump |
| 06/15/2011 | CN201865898U Compressor stator protective structure |
| 06/15/2011 | CN201865897U Locomotive air pump control system based on single chip microcomputer control |
| 06/15/2011 | CN201865896U Control system for barometric pulse foot pump |
| 06/15/2011 | CN201865895U Discharge pressure full-automatic control and protection system for fire pump |
| 06/15/2011 | CN1836106B Integration of automated cryopump safety purge |
| 06/15/2011 | CN102094802A Pump truck and pump truck monitoring method |
| 06/15/2011 | CN102094801A Method for optimizing pumping set based on minimum conveying energy consumption |
| 06/15/2011 | CN102094800A Automatic empty adjustment system of air compressor |