| 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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| 05/18/2011 | EP2322802A1 Electronically controlled valve |
| 05/18/2011 | EP2322798A1 Device and method for delivering medical fluids using a shape memory alloy |
| 05/18/2011 | EP2132443B1 Pump having a magnetically actuated control valve for suction regulation |
| 05/18/2011 | CN201836029U Electric pump |
| 05/18/2011 | CN201836028U Fan frequency conversion control system for kilns |
| 05/18/2011 | CN201836013U Natural gas compressor and exhaust temperature control device |
| 05/18/2011 | CN201836009U Combined water supply water pump station group |
| 05/18/2011 | CN201835316U Energy-saving control device for optimizing thermal load of water system in metallurgy industry |
| 05/18/2011 | CN102066758A Method for controlling the position of an electromechanical actuator for reciprocating compressor valves |
| 05/18/2011 | CN102066757A Sensor arrangement |
| 05/18/2011 | CN102062083A Protector packaging structure |
| 05/18/2011 | CN102062082A Protector of compressor |
| 05/18/2011 | CN102061722A Double-pump automatic circular water charging system of coal mine hydrostatic tank |
| 05/18/2011 | CN101660519B Electrical feedback electro-hydraulic proportional pressure flux compound control method and variable output pump |
| 05/18/2011 | CN101213370B Fast energy-saving chamber pumping |
| 05/17/2011 | US7942645 Oil pump assembly |
| 05/17/2011 | US7942642 Method and apparatus for highly efficient compact vapor compression cooling |
| 05/12/2011 | WO2011056518A2 Control device, oil well with device and method |
| 05/12/2011 | WO2011055444A1 Heat pump device, two-stage compressor, and method of operating heat pump device |
| 05/12/2011 | US20110110795 Method for controlling a compressed air unit and compressed air unit for applying such a method |
| 05/12/2011 | US20110110794 Sensors and methods and apparatus relating to same |
| 05/12/2011 | US20110110793 Suction stabilizer for pump assembly |
| 05/12/2011 | US20110110792 Sensors and methods and apparatus relating to same |
| 05/12/2011 | US20110110791 Continuous compressor envelope protection |
| 05/12/2011 | DE102009053133A1 Kolbenverdichter mit Leerlaufventil Piston compressor with idle valve |
| 05/12/2011 | DE102009052510A1 Kompressor zur Erzeugung von Druckluft Compressor for producing compressed air |
| 05/12/2011 | DE102009052385A1 Valve-controlled hydrostatic positive displacement machine e.g. radial piston pump, has low pressure valves hydraulically actuated by pre-control valves, which are mechanically directly or indirectly synchronized by shaft of machine |
| 05/12/2011 | CA2777869A1 Control device, oil well with device and method |
| 05/12/2011 | CA2720555A1 Sensors and methods and apparatus relating to same |
| 05/11/2011 | EP2320093A1 Engine lug-down suppressing device for hydraulic work machinery |
| 05/11/2011 | CN201827053U Intelligent pressure-superposed energy-saving water pump device and water supply system |
| 05/11/2011 | CN201827046U Natural gas compressor and oil temperature control device |
| 05/11/2011 | CN102057160A Double reciprocation pump |
| 05/11/2011 | CN102055445A Method for adjusting control device by means of pulse width modulation and control system |
| 05/11/2011 | CN102052735A Control method for vehicle power-driven air conditioner compressor |
| 05/11/2011 | CN102052292A Pressure regulating valve for metering pump |
| 05/11/2011 | CN102052291A Check valve for metering pump |
| 05/11/2011 | CN102052290A Control process for a piezoelectric pump of an electric household appliance and an electric household appliance employing such a process |
| 05/11/2011 | CN102052289A Intermittent air supply controller for inflator pump of fish tank |
| 05/11/2011 | CN102052288A Infrared monitoring warner of abrasion of balance disc of multi-stage pump and infrared monitoring method thereof |
| 05/11/2011 | CN102052285A Pressurization compressor |
| 05/10/2011 | CA2521733C Method for controlling a pump means |
| 05/05/2011 | WO2011053121A2 Milk pump device and method for displacing an amount of milk |
| 05/05/2011 | WO2011052675A1 Pump unit, vacuum device, and exhaust device for load lock chamber |
| 05/05/2011 | US20110103977 Control Process for a Piezoelectric Pump of an Electric Household Appliance and an Electric Household Appliance Employing Such a Process |
| 05/05/2011 | US20110103976 Device and method for preparing liquefied natural gas (lng) fuel |
| 05/05/2011 | US20110103974 Control device, oil well with device and method |
| 05/05/2011 | US20110103973 System and method of controlling a linear compressor |
| 05/05/2011 | US20110103972 Eccentric screw pump for mortar |
| 05/05/2011 | US20110103934 Vacuum pump |
| 05/05/2011 | US20110100473 Sealing System Assembly For High Pressure Fluid Handling Devices |
| 05/05/2011 | CA2774135A1 Milk pump device and method for displacing an amount of milk |
| 05/04/2011 | EP1994284B1 Method and device for operating an electric peristaltic hose pump |
| 05/04/2011 | CN201818484U Pneumatic inverse proportion valve |
| 05/04/2011 | CN201818483U Intelligent control and management system for concrete delivery pump |
| 05/04/2011 | CN201818482U Water pump with time and temperature setting controller |
| 05/04/2011 | CN201818481U Energy-saving control system of air compressor |
| 05/04/2011 | CN201818480U Concrete pump and pumping control device thereof |
| 05/04/2011 | CN201818479U Water pump with infrared temperature sensor |
| 05/04/2011 | CN201818460U Novel hydraulic compressor |
| 05/04/2011 | CN201818458U Double-drive oil pump |
| 05/04/2011 | CN201817866U Water-saving device for urban resident life |
| 05/04/2011 | CN201814907U Direct-current variable-frequency snot absorbing device |
| 05/04/2011 | CN102042212A Novel external control type variable control improved valve body of large radial variable plunger pump |
| 05/04/2011 | CN102042205A Fuel cut automatic alarm device of compression crank case |
| 05/04/2011 | CN102042204A Control device for moving-magnetic type linear compressor piston displacement |
| 05/04/2011 | CN102042203A Intelligent monitoring and soft measurement synergy technology for compressor |
| 05/04/2011 | CN102042202A Pointer type flow setting device of liquid pump |
| 05/04/2011 | CN102042201A High efficiency energy-saving control device for engine blower |
| 05/04/2011 | CN102042200A Novel electro-hydraulic proportion variance control mode structure for large radial variable plunger pump |
| 05/04/2011 | CN102042192A Full-automatic oil-free energy-saving air pump |
| 05/04/2011 | CN101666111B Secondary lifting device of vacuum system |
| 05/04/2011 | CN101368393B High-rise housing pond pumping method and its control circuit |
| 05/04/2011 | CN101354029B Micro-fluid pump with multi-channel active control capability |
| 05/03/2011 | CA2644149C Control system for centrifugal pumps |
| 05/03/2011 | CA2500820C Blood processing systems and methods with umbilicus-driven blood processing chambers |
| 04/28/2011 | WO2011047749A1 Cold start valve |
| 04/28/2011 | WO2011011221A3 Suction cutoff unloader valve for compressor capacity control |
| 04/28/2011 | US20110097214 Pump control device, oil well with device and method |
| 04/28/2011 | US20110094213 Method and apparatus for controlling a pump |
| 04/28/2011 | DE102009050083A1 Method for determining volume stream in closed flow system i.e. heat circuit in wall-mounted heating system, involves determining stream from power correction value and theoretical power consumption characteristic curve for revolution speed |
| 04/27/2011 | EP2315349A1 Motor driver circuit and vacuum pump equipped with motor driver circuit |
| 04/27/2011 | CN201810543U Anti-dropping device for electric submersible pump |
| 04/27/2011 | CN201810542U Ultrahigh-pressure variable radial plunger pump |
| 04/27/2011 | CN201810541U Heat exchange unit frequency-conversion communication control device |
| 04/27/2011 | CN201810540U Energy-saving starter for refrigerator compressor |
| 04/27/2011 | CN201810539U Pump station intelligent control energy-saving system |
| 04/27/2011 | CN201810538U Automatic control structure of water pump |
| 04/27/2011 | CN201810537U Novel compressor guide vane control device |
| 04/27/2011 | CN201810536U Vertical variable pump station |
| 04/27/2011 | CN201810535U Compressor monitoring system |
| 04/27/2011 | CN102037243A Electric compressor |
| 04/27/2011 | CN102036867A Pressure generator of a hydraulic vehicle brake system and operating method for this |
| 04/27/2011 | CN102032337A Oil pump control apparatus for vehicle |
| 04/27/2011 | CN102032166A Method for detecting control signal of negative pressure pump |
| 04/27/2011 | CN102032163A Automatic control device for saving water for peasant household |
| 04/27/2011 | CN102032162A Digital speed regulation system and method for nuclear power station feed pump |
| 04/27/2011 | CN102032161A Energy-saving control system of air compressor |
| 04/27/2011 | CN102032160A Flow control method for gas supply system |
| 04/27/2011 | CN102032159A Central air conditioner water pump system energy-saving method and system as well as central air conditioner |