| 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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| 03/01/2012 | US20120053737 Home energy management system incorporating a pool pump |
| 03/01/2012 | US20120051950 Engine oil pump provided automatic adjustment of oil supply amount |
| 03/01/2012 | US20120051946 Micropump and driving method thereof |
| 03/01/2012 | US20120051945 Speed control for diaphragm pump |
| 03/01/2012 | US20120051944 Submersible pump utilizing magnetic clutch activated impeller |
| 03/01/2012 | US20120051942 Method and device for controlling a vacuum apparatus |
| 03/01/2012 | US20120050414 Ring Electrode for Fluid Ejection |
| 03/01/2012 | US20120047999 Vane pump apparatus and leak check system having the same |
| 03/01/2012 | DE102011102006A1 Hydrostatisches Antriebssystem mit einer Speisepumpe A hydrostatic drive system comprising a feed pump |
| 03/01/2012 | DE102010039943A1 Verfahren zur Ansteuerung einer Druckversorgungseinheit für ein Fluidaggregat und korrespondierendes Fluidaggregat A method for controlling a compressed air supply unit for a fluid assembly, and corresponding fluid assembly |
| 03/01/2012 | DE102010035283A1 Hydraulic drive device has frequency-controlled drive motor, where shaft of drive motor is firmly connected to flywheel and firmly connected with uncontrolled hydraulic pump |
| 02/29/2012 | EP1655469B1 Control device for working vehicle |
| 02/29/2012 | CN202152723U 一种空压机自动变频控制装置 One kind of air compressor automatic frequency control device |
| 02/29/2012 | CN202152722U 一种液相泵控制系统 One kind of liquid pump control system |
| 02/29/2012 | CN202152721U 采用永磁同步电机的太阳能水泵 Use of permanent magnet synchronous motors solar pump |
| 02/28/2012 | US8126621 Engine load control device of work vehicle |
| 02/28/2012 | US8123496 Two-unit pump for liquid chromatograph with flow sensor arrangement |
| 02/28/2012 | US8123492 Speed-related control mechanism for a pump and control method |
| 02/28/2012 | US8123490 Apparatus and method for controlling electric compressor |
| 02/28/2012 | CA2731482C Pump control system and method |
| 02/23/2012 | WO2012023987A2 Method for synchronizing linear pump system |
| 02/23/2012 | WO2012023463A1 Clearance pocket for reciprocating compressor |
| 02/23/2012 | WO2012023231A1 Electro-hydraulic drive system for a work machine |
| 02/23/2012 | WO2012022954A1 Ring cam and fluid-working machine including ring cam |
| 02/23/2012 | WO2012022444A1 Device having valve-controlled piston engines |
| 02/23/2012 | WO2012021928A1 Multistage compressors for pet bottle blowing processes |
| 02/23/2012 | US20120045348 Integral Plus Proportional Dual Pump Switching System |
| 02/23/2012 | US20120045346 Electronic proportioner using continuous metering and correction |
| 02/23/2012 | DE102010039657A1 Bypass valve for constant pump, has valve housing with inlet and outlet, where valve chamber is formed by inlet opening and outlet opening |
| 02/23/2012 | DE102010039428A1 Method for monitoring loading unit for pressure storage, particularly in brake system for motor vehicle, involves controlling loading unit for loading pressure storage in partial manner |
| 02/22/2012 | EP2420399A1 Driving torque-calculating device for variable displacement compressor, and air conditioning system for vehicle |
| 02/22/2012 | CN202149015U 新型供水泵和高位水池监控系统 The new water supply pump and high pool monitoring system |
| 02/22/2012 | CN202149014U 实现自动计时与自动漏气保护的天然气压缩机控制装置 Automatic chronograph with automatic leak gas compressor protection control device |
| 02/22/2012 | CN202149013U 一种智能水泵 An intelligent pump |
| 02/22/2012 | CN202149012U 自感知压电隔膜泵 Self-perception of the piezoelectric diaphragm pump |
| 02/22/2012 | CN101901014B 空压站预测调压控制方法 Air Station predictive regulator control method |
| 02/22/2012 | CN101636585B 隔膜真空泵单元 Diaphragm vacuum pump unit |
| 02/22/2012 | CN101144470B 真空泵的运行控制设备及方法 The operation of the vacuum pump control apparatus and method |
| 02/21/2012 | US8118565 Blower and electric device with such blower mounted thereon |
| 02/21/2012 | US8118564 Motor-driven compressor |
| 02/16/2012 | WO2011095935A3 Methods of use for a positive displacement pump having an externally assisted valve |
| 02/16/2012 | WO2011058848A9 Rotary vane compressor |
| 02/16/2012 | US20120039726 Method for operating a hydraulic apparatus of a transmission device |
| 02/16/2012 | US20120039724 Methods and devices used for automatically controlling speed of an expander |
| 02/16/2012 | US20120039723 Controller for a liquid supply pump |
| 02/16/2012 | US20120036992 Piston machine, especially fluid piston machine |
| 02/15/2012 | EP2417362A1 A control system for a hydraulic actuating device |
| 02/15/2012 | EP2288811B1 Device and method for pumping a cryogenic fluid |
| 02/15/2012 | CN202145438U 热保护器、变频空调压缩机和变频空调器 Thermal protection, inverter air conditioner compressor and inverter air conditioner |
| 02/15/2012 | CN202144781U 综合采煤机乳化液泵站集中控制装置 Shearer emulsion pump integrated centralized control device |
| 02/15/2012 | CN202144780U 工频空压机进气阀智能控制系统 Frequency compressor inlet valve Intelligent Control System |
| 02/15/2012 | CN202144779U 空气压缩机排气管道在线温控装置 Online air compressor exhaust duct temperature control device |
| 02/15/2012 | CN102352834A Constant-power control valve |
| 02/15/2012 | CN102352833A Bus-type intelligentized digitalizer for detecting performances of swimming pool water pump |
| 02/15/2012 | CN102352832A Control method and control device of soft start and soft stop of air compressor |
| 02/15/2012 | CN101943149B 一种便携式气驱注油装置 A portable gas drive oiling device |
| 02/14/2012 | US8116932 Auxiliary pump diagnostic systems and methods |
| 02/14/2012 | US8113789 System and method of disabling an HVAC compressor based on a high pressure cut out |
| 02/09/2012 | WO2012017972A1 Exhaust system |
| 02/09/2012 | WO2012017939A1 Air compression device for railway vehicle |
| 02/09/2012 | US20120034107 Rotary vacuum pump with a device for decoupling the driving motor |
| 02/09/2012 | US20120034104 Linear compressor |
| 02/09/2012 | US20120034103 Method and apparatus for monitoring of esp |
| 02/09/2012 | DE10302481B4 Antriebsvorrichtung für einen Motor Drive device for an engine |
| 02/09/2012 | DE102010038863A1 Hydraulic pump i.e. single-stroke vane pump, for motor car, has annular gap formed between outer diameter of throttle at pressure output and inner diameter of receiving bore in region for connecting part of outlet line with channel |
| 02/09/2012 | DE102010033321A1 Steuerungsverfahren für eine Verbundanlage Control method for a composite system |
| 02/08/2012 | EP2416097A2 Control method for a multiple refrigeration system |
| 02/08/2012 | EP2414680A2 High pressure variable displacement piston pump |
| 02/08/2012 | EP2414679A1 Strainer for a bilge pump |
| 02/08/2012 | CN202140303U 一种浆体管道喂料泵冷却装置的快速切换装置 Fast switching apparatus slurry pipeline feeding pump cooling device |
| 02/08/2012 | CN202140294U 空调室外压缩机的控制电路及空调器 Conditioned outdoor air conditioner compressor control circuit and |
| 02/08/2012 | CN202140293U 一种智能一体化排污泵控制箱 An intelligent integrated sewage pump control box |
| 02/08/2012 | CN202140292U 矿用隔爆潜水排沙泵智能控制器 Mine explosion-proof submersible flushing pump intelligent controller |
| 02/08/2012 | CN202140291U 一种间歇空气泵 An intermittent air pump |
| 02/08/2012 | CN202140290U 采煤工作面乳化液泵站的调速器 Coal Face Emulsion Pump Station governor |
| 02/08/2012 | CN202140289U 采煤工作面乳化液泵站无线控制系统 Coal Face Emulsion Pump Wireless Control System |
| 02/08/2012 | CN202140288U 一种升压泵控制系统及具有升压泵的循环水余热回收系统 A booster pump control system and circulating water heat recovery system with booster pump |
| 02/08/2012 | CN202140287U 一种冰箱压缩机开关控制电路 A refrigerator compressor switch control circuit |
| 02/08/2012 | CN102348896A Electronically controlled valve |
| 02/08/2012 | CN102348893A Fluid working machine and method of operating a fluid working machine |
| 02/08/2012 | CN102345597A Ultrahigh-pressure oil pump |
| 02/08/2012 | CN101725517B 泵送排量控制系统、泵送排量控制方法和混凝土泵 Pumping capacity control systems, pumping and concrete pump displacement control method |
| 02/08/2012 | CN101142406B 固定和可变压缩机系统的控制系统、控制方法以及控制器 Fixed and variable compressor system control system, a control method and a controller |
| 02/07/2012 | US8109736 Apparatus and method for controlling operation of a linear compressor using a phase difference inflection point detecting unit |
| 02/02/2012 | WO2012014741A1 Pump for liquid chromatograph, and liquid chromatograph |
| 02/02/2012 | WO2011105720A3 Linear compressor |
| 02/02/2012 | US20120027625 Pump system |
| 02/02/2012 | US20120027623 Method and device for controlling a hot restart of a centrifugal compressor |
| 02/02/2012 | US20120027621 Electric motor system |
| 02/02/2012 | US20120027620 Forced vibration piezo generator and piezo actuator |
| 02/02/2012 | DE102010036744A1 Verfahren zur Steuerung eines Kompressors A method for controlling a compressor |
| 02/02/2012 | DE102010033346B3 Verfahren zum Starten eines Elektromotors in einer hydraulisch betriebenen Arbeitsmaschine A method of starting an electric motor in a hydraulically operated machine |
| 02/02/2012 | DE102010032738A1 Method for controlling of work of pump that pumps liquid i.e. water into pipe line for household application, involves unchanging inflow of liquid from pump to return valve if lapse time of active examinations lies in specific seconds |
| 02/02/2012 | CA2804585A1 Valves |
| 02/01/2012 | EP2413124A1 Device for detecting abnormality in construction machine |
| 02/01/2012 | EP2412981A1 Pump system |
| 02/01/2012 | EP2412978A1 Lubrication system for internal combustion engine |
| 02/01/2012 | EP1836576B1 A precision diagnostic method for the failure protection and predictive maintenance of a vacuum pump and a precision diagnostic system therefor |
| 02/01/2012 | CN202132220U 具有保护功能的压缩机电路以及包括所述电路的压缩机 Compressor circuit having protection function of the circuit and comprises a compressor |
| 02/01/2012 | CN202132219U 风电注油泵控制系统 Wind power injection pump control system |