| 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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| 03/13/2013 | CN202789374U Injection pump |
| 03/13/2013 | CN202789369U Movable type concrete frequency conversion transfer pump system which is far from power supply and capable of barrier-free starting and off-line fine operation |
| 03/13/2013 | CN102971532A Hydraulic assembly |
| 03/13/2013 | CN102966523A Gas-liquid combination-type stroke regulation system for metering pump |
| 03/13/2013 | CN102966522A Automatic control device of circulation cooling water pump of thermal treatment plant |
| 03/13/2013 | CN102966518A Clean vacuum pumping system and pumping method for large space environment simulator |
| 03/13/2013 | CN102966509A Large-flow multilevel solar photovoltaic water pump intelligent system |
| 03/13/2013 | CN101799005B Circulating oil path control system of middle or high pressure oil-injecting screw unit |
| 03/13/2013 | CA2752655A1 Pump with wear sleeve |
| 03/12/2013 | US8393875 Pressure-controlled liquid supply system and pump control device for use therein |
| 03/12/2013 | US8393874 Hybrid pumping system for a downhole tool |
| 03/12/2013 | US8393873 Air compressor with shut-off mechanism |
| 03/12/2013 | US8393156 Variable performance valve of a fuel nozzle for a turbine engine |
| 03/07/2013 | WO2013033502A1 System and method for controlling a variable speed drive of a compressor motor |
| 03/07/2013 | WO2013032425A1 Linear pump control |
| 03/07/2013 | WO2013031768A1 Hydraulic drive device for construction machine |
| 03/07/2013 | WO2013029971A1 Clamping lever arrangement, method for producing a clamping lever, and actuation unit |
| 03/07/2013 | US20130058801 Hybrid compressor for an air-conditioning circuit |
| 03/07/2013 | US20130058797 System and method for attenuation of esp motor vibration |
| 03/07/2013 | US20130058796 Dosing pump unit |
| 03/07/2013 | US20130058795 Method for determining the power of an electric motor of a hybrid compressor |
| 03/07/2013 | US20130058794 Fan rotation speed control system and method |
| 03/07/2013 | US20130056100 Pressure sensor unit and brake device |
| 03/07/2013 | US20130055704 Apparatus for Controlling Raise Speed of Working Machine for Heavy Equipment |
| 03/07/2013 | DE112010004755T5 Steuersystem für eine taumelscheibenpumpe A control system for a swash plate pump |
| 03/07/2013 | DE102011112701A1 Pressure medium system i.e. hydraulic system, for mechanical clamping apparatus that is utilized for e.g. mechanically clamping workpiece, has control unit for switching-on pump before fluid pressure falls below setpoint value |
| 03/06/2013 | EP2565452A1 Capacity control valve |
| 03/06/2013 | EP2563980A2 Method and system for carrying out closed-loop or open-loop control of the water pressure in a pressure zone and device for carrying out and for operating same |
| 03/06/2013 | CN202768363U Multifunctional plunger pump safety control system |
| 03/06/2013 | CN202768362U Intelligent water pump and fire fighting equipment |
| 03/06/2013 | CN202768361U Air compressor control system |
| 03/06/2013 | CN202768360U Vibrating controller of machine shell |
| 03/06/2013 | CN202768359U Frequency conversion system for double condensate pumps |
| 03/06/2013 | CN202768358U Liquid level control system of alkali-return barrel |
| 03/06/2013 | CN202768357U Air volume regulating device of reciprocating compressor |
| 03/06/2013 | CN202768356U Intelligent reversing electric submersible rodless oil pumping device |
| 03/06/2013 | CN202768324U Compressor |
| 03/06/2013 | CN202768320U Handheld electric vacuum pump |
| 03/06/2013 | CN202768314U High precision ship bilge pump |
| 03/06/2013 | CN102959243A 液压轴向活塞机器 Hydraulic axial piston machine |
| 03/06/2013 | CN102953966A Self-adaptive iterative control method of variable-frequency pumps in pump station group |
| 03/06/2013 | CN102953965A High-voltage and constant-current pump using electronic cam technique to realize constant-current liquid conveying function |
| 03/06/2013 | CN102953962A 空气压缩机 Air Compressor |
| 03/06/2013 | CN102953959A Compressor with anti-drop movement |
| 03/06/2013 | CN102953958A Dual cryogenic pump system and control method thereof |
| 03/06/2013 | CN101529093B Method for controlling the capacity of a peristaltic pump and peristaltic pump |
| 03/05/2013 | US8388598 Method and device for controlling several infusion pumps |
| 03/05/2013 | CA2541670C Current monitoring system and method for metering peristaltic pump |
| 03/05/2013 | CA2528580C Control algorithm of variable speed pumping system |
| 02/28/2013 | WO2013026115A1 System and method for controlling the stroke and operation at resonance frequency of a resonant linear motor |
| 02/28/2013 | US20130052040 Two-axis adjustable mud pipe joint |
| 02/28/2013 | US20130052039 Pump assembly |
| 02/27/2013 | EP2561228A1 Air compressor system and method of operation |
| 02/27/2013 | CN202756743U Vacuum electric control switch valve |
| 02/27/2013 | CN202756669U Water inlet control valve for water pump and water pump with water inlet control valve |
| 02/27/2013 | CN202756221U Pressure regulation machine weight adding device |
| 02/27/2013 | CN202756220U Spray paint air pump |
| 02/27/2013 | CN202756219U High-speed liquid chromatography pump cup type energy storage buffer |
| 02/27/2013 | CN202756218U Energy-saving system for multiple parallel air compressors with different power |
| 02/27/2013 | CN202756217U Alarm control device of dewatering equipment |
| 02/27/2013 | CN202756216U Vacuum unit automatic control system |
| 02/27/2013 | CN202756215U Electrical control and protection device of double mechanical seal chemical pump and seal liquid pump |
| 02/27/2013 | CN202756214U Pump efficiency display and remote transmission device |
| 02/27/2013 | CN102947153A Device, method, and system for compressed air control and compressed air supply |
| 02/27/2013 | CN102943753A Electronic intelligent controller, control method and air compressor applying controller |
| 02/27/2013 | CN102635541B Control device and method for driving external fire pump by using diesel generator for engineering ships |
| 02/27/2013 | CN102094782B Concrete pumping equipment and hydraulic system thereof |
| 02/27/2013 | CN101680445B Electric compressor control device |
| 02/26/2013 | US8382454 Check valve, infusion device using the same, and method of manufacturing the same |
| 02/26/2013 | US8382448 Compressed air supply system for a utility vehicle having a pulse-width modulated valve |
| 02/26/2013 | US8382447 Shuttle pump with controlled geometry |
| 02/26/2013 | US8382445 Air logic controller |
| 02/26/2013 | US8382444 System and method for monitoring operation of a pump |
| 02/26/2013 | US8382443 Control device for electric compressor and start control method of electric compressor |
| 02/26/2013 | US8381766 Systems and methods for generating hydrogen gas |
| 02/21/2013 | US20130045118 Smart Blow-Down System for Variable Frequency Drive Compressor Units |
| 02/21/2013 | US20130045114 Fan control unit and method |
| 02/21/2013 | US20130045113 Reverse rotation braking for a pm motor |
| 02/21/2013 | US20130045112 Roller positioning system |
| 02/20/2013 | EP2558713A1 Connection plate for a hydrostatic piston machine |
| 02/20/2013 | CN202748910U Wireless alarm for machine pump |
| 02/20/2013 | CN202746168U Reflowing system of pressure leaking pipeline |
| 02/20/2013 | CN202746167U Pressure controller |
| 02/20/2013 | CN202746166U Converter smoke helmet cooling water circulating energy conservation management and control system in steel making plant |
| 02/20/2013 | CN202746165U Rapid frequency conversion device for converter cooling water pump in steel making plant |
| 02/20/2013 | CN202746164U Double-oil-pump oil supplying device of power machinery |
| 02/20/2013 | CN202746163U Soft starting water pump control cabinet |
| 02/20/2013 | CN202746162U Oil scavenger pump delay control system |
| 02/20/2013 | CN202746161U Obstacle-free started combustible-gas frequency conversion compression system far away from power supply |
| 02/20/2013 | CN202746160U Mechanical control switch device for underground pneumatic submersible pump |
| 02/20/2013 | CN202746159U Ecological type well-house-free radio frequency automatic control device |
| 02/20/2013 | CN202746140U Photovoltaic water pump system based on permanent-magnet synchronous motor |
| 02/20/2013 | CN202746139U General photovoltaic pump system |
| 02/20/2013 | CN202746138U Wind driven generator pump system |
| 02/20/2013 | CN202746137U Solar-energy mains supply complementary photovoltaic water pump system |
| 02/20/2013 | CN202742481U Servo power system of ceramic brick machine |
| 02/20/2013 | CN102937085A Displacement adjusting method for positive-flow hydraulic pump of excavator |
| 02/20/2013 | CN102937084A Air volume regulating system for compressor |
| 02/20/2013 | CN102937083A Setting method of normal hydraulic pump of force application system |
| 02/20/2013 | CN102937081A Miniature temperature control pressurizing pump |