| 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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| 04/06/2011 | CN102003377A Control device and method for air compressor |
| 04/06/2011 | CN102003376A Water mixing pump system and control method thereof |
| 04/06/2011 | CN102003375A Safety system and method for pump and motor |
| 04/06/2011 | CN102003374A System and method for motor drive control pad and drive terminals |
| 04/06/2011 | CN102003373A Joint inspection device of drainage pump and pump station generating set under high-speed rail and in tunnel |
| 04/06/2011 | CN102003370A Method and device for controlling the condensator coolant water of a vapour stream vacuum pump |
| 04/06/2011 | CN102003162A Simple W-shaped traction pumping unit |
| 04/06/2011 | CN101498294B Pressure control adjusting device of compressor |
| 04/06/2011 | CN101413495B Suction structure in double-headed piston type compressor |
| 04/05/2011 | US7918655 Fixed and variable compressor system capacity control |
| 04/05/2011 | CA2614325C Device for driving an electromagnetic pump and related electromagnetic dosing pump |
| 04/05/2011 | CA2482417C Method and device for detecting leaks in reciprocating machinery |
| 03/31/2011 | WO2011038176A2 Crankcase heater systems and methods for variable speed compressors |
| 03/31/2011 | WO2011007912A3 Reciprocating compressor |
| 03/31/2011 | US20110076163 Method and apparatus in connection with pump drive |
| 03/31/2011 | US20110076161 Displacement Control System for Variable Displacement Compressor |
| 03/31/2011 | US20110076160 Control device for a hydraulic piston machine with a variable flow rate |
| 03/31/2011 | US20110076158 Method of operating adaptive core engines |
| 03/31/2011 | US20110076157 Centrifugal pump unit |
| 03/31/2011 | US20110076156 Flow Control |
| 03/30/2011 | EP2302194A1 A pump unit |
| 03/30/2011 | EP2300715A1 A compressor with improved refrigerant flow performance |
| 03/30/2011 | CN201778991U Air compressor control system |
| 03/30/2011 | CN201778990U Oil-water alarming device special for water flooding pump station |
| 03/30/2011 | CN201778989U Sewage pump controller |
| 03/30/2011 | CN201778988U Control device for drill pumps with slight pressure fluctuation for electric drive drilling rigs |
| 03/30/2011 | CN201778987U Air compressor variable-frequency control module |
| 03/30/2011 | CN201778986U Two-segment flow control structure of air compressor |
| 03/30/2011 | CN201778970U Electronic compensation analysis pump |
| 03/30/2011 | CN201778966U Electromagnetic control variable plunger pump |
| 03/30/2011 | CN101994687A Gate valve drive device of vacuum device |
| 03/30/2011 | CN101994686A Agricultural water-pumping automatic control system |
| 03/30/2011 | CN101233323B Reciprocating piston pump with air valve, detent and poppets |
| 03/29/2011 | US7917334 Compressor performance calculator |
| 03/29/2011 | US7914264 Controllable drive for a motor vehicle, in particular for a coolant pump |
| 03/29/2011 | US7913496 Apparatus and method for pumping a cryogenic fluid from a storage vessel and diagnosing cryogenic pump performance |
| 03/29/2011 | CA2548437C Pump control system and method |
| 03/28/2011 | CA2715606A1 Aspirator insert for a boundary layer in a fluid stream, a well and a compressor equipped with said insert |
| 03/24/2011 | US20110070103 Device and Method for Pumping a Cryogenic Fluid |
| 03/24/2011 | US20110070102 Compressor System and Method for the Operation of a Compressor System |
| 03/24/2011 | US20110070101 Valve Plate for a Compressor, and Method for Cooling Compressed Air in a Valve Plate of a Compressor |
| 03/24/2011 | US20110070098 Fan control system |
| 03/24/2011 | DE102010034800A1 Method for monitoring valve in e.g. scavenging pump, utilized in oil or gas conveyor system, involves determining valve defects based on characteristic value of acoustic signal within evaluation interval and reference characteristic value |
| 03/24/2011 | DE102009041236A1 Power train device, particularly motor vehicle drive train device, has operating unit pressure system and electrically propelled operating fluid pump for providing operating unit pressure in operating medium-pressure system |
| 03/23/2011 | EP2299115A2 Linear electric compressor and refrigerant circuit |
| 03/23/2011 | EP2298368A1 Reduced pressure pump having regulated pressure capabilities |
| 03/23/2011 | CN201773769U Trinomial protector of compressor |
| 03/23/2011 | CN201771739U External control valve of variable-displacement compressor |
| 03/23/2011 | CN201771738U Two segment type automatic stop control device for air pump and two segment type press button thereof |
| 03/23/2011 | CN201771737U Electricity economization controller capable of leading water pump to run at optimum revolution |
| 03/23/2011 | CN201771736U Novel connecting structure for control cabinet |
| 03/23/2011 | CN201771735U Automatic control device of water level |
| 03/23/2011 | CN201771734U Hydraulic starting device of oil pump motor |
| 03/23/2011 | CN201771713U High-pressure and low-pressure piston-type air compressor serving as network-yarn air source in terylene production process |
| 03/23/2011 | CN101990447A Tubing misload detection mechanism for an infusion pump |
| 03/23/2011 | CN101990446A Infusion pump |
| 03/23/2011 | CN101988492A Pressure regulating and controlling device of self-operated high-pressure water system and method thereof |
| 03/23/2011 | CN101988491A Digital display pressure regulating startup/shutdown device for micro air compressor |
| 03/23/2011 | CN101988487A Automatic pumping system of vacuum testing instrument and control method thereof |
| 03/23/2011 | CN101545476B Output valve for air storage tank of air compressor |
| 03/23/2011 | CN101410620B Capacity control valve |
| 03/22/2011 | US7909582 Vehicular oil pump control apparatus |
| 03/17/2011 | WO2011031603A1 Energy saving system and method for devices with rotating or reciprocating masses |
| 03/17/2011 | US20110064590 Valve Arrangement for Peripherally Pivoted Oscillating Vane Machine |
| 03/17/2011 | US20110064589 Air pump set |
| 03/17/2011 | US20110064588 Inlet throttle controlled liquid pump with cavitation damage avoidance feature |
| 03/17/2011 | US20110064587 Low waste pump follower |
| 03/17/2011 | US20110064586 Controller for vacuum suction type urine collector |
| 03/17/2011 | US20110061415 Condensate Pump |
| 03/17/2011 | DE102010033009A1 Electrical vacuum pump controlling device for e.g. hybrid vehicle, has controlling units designed such that switches control interruption and/or formation of connection between electrical energy source and vacuum pump |
| 03/17/2011 | DE102004049460B4 Flusssteuerung für Servolenkungen Flow control, power steering |
| 03/17/2011 | CA2771121A1 Energy saving system and method for devices with rotating or reciprocating masses |
| 03/16/2011 | EP2295799A2 Method and device for controlling the condensator coolant water of a vapour stream vacuum pump |
| 03/16/2011 | EP2294319A1 Hydraulic device control |
| 03/16/2011 | CN201763588U Low-pressure pressure-maintaining overflow valve |
| 03/16/2011 | CN201763587U Automatic constant pressure pneumatic valve |
| 03/16/2011 | CN201763586U Simple automatic water pumping equipment |
| 03/16/2011 | CN201763585U Electrohydraulic proportional pressure cutting pump |
| 03/16/2011 | CN201763584U High-performance remote automatic control axial plunger pump |
| 03/16/2011 | CN201763583U Energy-saving device capable of controlling multiple air compressors |
| 03/16/2011 | CN201763582U Air circuit board of auxiliary air compressor of high-speed motor train unit |
| 03/16/2011 | CN101985926A Hydraulic piston compressor displacement stepless adjustment method |
| 03/15/2011 | US7905853 Dialysis system having integrated pneumatic manifold |
| 03/15/2011 | US7905710 System and method for improved low flow medical pump delivery |
| 03/15/2011 | CA2513397C Air compressor unit inlet control |
| 03/10/2011 | WO2011028332A1 Automatic compressor overpressure control |
| 03/10/2011 | WO2011027822A1 Hydraulic drive device of hydraulic operating machine |
| 03/10/2011 | WO2011005367A3 Bypass unloader valve for compressor capacity control |
| 03/10/2011 | US20110058961 Combined oil level or condition sensor and sight oil level gage |
| 03/10/2011 | US20110058960 Method of detecting impact between cylinder and piston driven by a linear motor, detector of impact between a cylinder and piston driven by a linear motor, gas compressor, control system for a cylinder and a piston set driven by a linear motor gas compressor, control system for a cylinder and apiston set driven a linear motor |
| 03/10/2011 | US20110056370 Variable displacement swash plate compressor |
| 03/10/2011 | US20110056226 Motor Controller, Air Compressor, Air Conditioner, Controller of Passenger Conveyor and Controller of Conveyor |
| 03/10/2011 | CA2775281A1 Automatic compressor overpressure control |
| 03/09/2011 | EP2291909A2 Method for identifying the load condition of a pump |
| 03/09/2011 | CN201757051U Reciprocating type plunger accurate variable device |
| 03/09/2011 | CN201757050U Real-time graphic monitoring device for operating parameters of air compressor |
| 03/09/2011 | CN201757043U Multi-function inflation pump |
| 03/09/2011 | CN101984255A Electric-hydraulic control system applied in concrete or coal slurry conveying device and method for controlling system |
| 03/08/2011 | US7901190 Pump control system |
| 03/08/2011 | US7900444 Systems and methods for energy storage and recovery using compressed gas |