| 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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| 06/06/2012 | CN202266389U 一种机芯防脱落的压缩机 One kind of movement compressor anti-shedding |
| 06/06/2012 | CN202263230U 一种血液净化机用直流电机蠕动泵 A blood purifier peristaltic pump with DC motor |
| 06/06/2012 | CN1737372B Liquid feeding system |
| 06/06/2012 | CN102486171A Energy-saving control system for air compressor group |
| 06/06/2012 | CN101571119B Micro sample-adding pump |
| 06/06/2012 | CN101184989B Devices and methods for use in assessing a flow condition of a fluid |
| 06/05/2012 | US8192179 Method and apparatus for isolating a motor of a box fan |
| 06/05/2012 | US8192171 Compressor system |
| 06/01/2012 | DE202011109497U1 Pumpenaggregat Pump unit |
| 05/31/2012 | US20120134854 Differential pressure control valve and variable displacement compressor having the differential pressure control valve |
| 05/31/2012 | US20120134850 Reciprocating compressor and methods for monitoring operation of same |
| 05/31/2012 | US20120134849 Character parameters obtaining method for displacement control mechanism of hydraulic pump and detecting device for carrying out the method |
| 05/31/2012 | US20120134848 Hydraulic fan circuit having energy recovery |
| 05/31/2012 | US20120134847 Pump having venting and non-venting piston return |
| 05/31/2012 | US20120132287 Pump for conveying a medium and lubricating system containing the same |
| 05/31/2012 | DE102011108203A1 Diagnostic method for switchable water pump of cooling system of combustion engine of motor vehicle for error indication of malfunction of switchable water pump, involves carrying out error indication when certain conditions are satisfied |
| 05/31/2012 | DE102010052618A1 Method for switching-off pumps operatively connected to reservoir, in drinking system, plant system and fire fighting systems, involves continuously measuring water level in reservoir |
| 05/30/2012 | EP2458214A2 Reciprocating compressor and methods for monitoring operation of same |
| 05/30/2012 | EP2458211A1 Differential pressure control valve and variable displacement compressor having the differential pressure control valve |
| 05/30/2012 | EP2458210A1 Crankshaft for a pump gear mechanism |
| 05/30/2012 | EP2457037A1 Demand flow pumping |
| 05/30/2012 | EP2456980A2 Suction cutoff unloader valve for compressor capacity control |
| 05/30/2012 | EP2456979A1 Method for controlling delivery quantity, and reciprocating compressor having delivery quantity control |
| 05/30/2012 | EP2456978A1 Method for controlling delivery quantity and reciprocating compressor having delivery quantity control |
| 05/30/2012 | EP2456977A2 Method of controlling gaseous fluid pump |
| 05/30/2012 | EP2022954B1 Exhaust gas purifier of construction machine |
| 05/30/2012 | DE202011109898U1 Steuerung einer hydraulischen Hochdruckpumpe Controlling a hydraulic high-pressure pump |
| 05/30/2012 | CN202261157U Automatic energy saver of air compressor |
| 05/30/2012 | CN202251581U Electromagnetic brake device of melt metering pump in chemical fiber spinning |
| 05/30/2012 | CN202250770U Air compressor with adjustable output air pressure |
| 05/30/2012 | CN202250769U Vacuum system protection device and vacuum glass vacuumizing system |
| 05/30/2012 | CN202250768U Accurate intelligent control protection cabinet for head of irrigation pump |
| 05/30/2012 | CN202250767U Electric submersible pump protector of two-stage sealing two-chamber structure with serial connection of capsule chambers |
| 05/30/2012 | CN202250766U Three-stage-sealed electric submersible pump protector with sequentially serially-connected settling chamber, capsule chamber and settling chamber |
| 05/30/2012 | CN202250765U Three-level sealed electric submersible pump protector with two capsule chambers and settling chamber connected in series |
| 05/30/2012 | CN202250764U Safety inflation device for inflator |
| 05/30/2012 | CN202250763U Intelligent energy saving control system with constant temperature difference for air-conditioning water pump |
| 05/30/2012 | CN202250762U System for monitoring moisture in air compressor lubricating oil for railway locomotive braking system on line |
| 05/30/2012 | CN202250761U Energy-saving control device for air compressors |
| 05/30/2012 | CN202250760U Variable-frequency control system for air compressor |
| 05/30/2012 | CN202250759U Hydraulic pump controller of high-voltage live working robot |
| 05/30/2012 | CN202250758U Rotary drilling rig and control device for mud pump of rotary drilling rig |
| 05/30/2012 | CN202250757U Electromagnetic water pump capable of adjusting output flow |
| 05/30/2012 | CN202250756U Intelligent electromagnetic water pump |
| 05/30/2012 | CN202250755U Energy-saving device for water pump fan |
| 05/30/2012 | CN202250754U Phase change power device and constant flow pump |
| 05/30/2012 | CN202250753U Electronic control device of hydraulic lift oil pump of cab |
| 05/30/2012 | CN202250752U Electricity-saving system of air compressor |
| 05/30/2012 | CN202250751U Novel compressor control device |
| 05/30/2012 | CN202250750U Energy-saving control device for air compressor |
| 05/30/2012 | CN202250749U Suction and discharging control system for movable gas suction and discharging pump station |
| 05/30/2012 | CN202250748U Automatic clutch-type air compressor |
| 05/30/2012 | CN202250747U Novel high-pressure pump |
| 05/30/2012 | CN202250746U Concrete delivery pump hydraulic system equipped with electric control two-way cartridge inserted valve system |
| 05/30/2012 | CN202250745U Automatic sump-pit drainage device |
| 05/30/2012 | CN202250735U Electrically actuated artificial muscle pump |
| 05/30/2012 | CN102483056A 作业车辆及作业车辆的控制方法 The control method of the working vehicle and the working vehicle |
| 05/30/2012 | CN102483047A 具有转子位置测量系统的泵 A rotor position measurement system of the pump |
| 05/30/2012 | CN102483031A 环形凸轮以及包括环形凸轮的流体工作机器 An annular cam ring and a fluid working machine comprising a cam |
| 05/30/2012 | CN102482867A Control system for hybrid construction machinery |
| 05/30/2012 | CN102477975A 应急操作盒、泵车泵送控制系统以及泵车泵送系统 Emergency Operation box, pump control system and pump pumping pumping system |
| 05/30/2012 | CN101245770B Electromotor driven metering pump |
| 05/30/2012 | CA2758421A1 Reciprocating compressor and methods for monitoring operation of same |
| 05/29/2012 | US8186970 Scroll compressor including a fixed scroll and a orbiting scroll |
| 05/29/2012 | US8186969 Variable displacement pump |
| 05/29/2012 | US8186968 Compressor unit including a detection device to identify non-gaseous fluid in the suction line |
| 05/29/2012 | US8186967 Fail-safe control method for oil pump control unit of hybrid vehicle |
| 05/24/2012 | WO2012067767A1 Fluidics with thermal compensation for a flow-type particle analyzer |
| 05/24/2012 | WO2012066090A1 Method and control device for the rotational-speed-variable control of an expeller pump unit and expeller pump arrangement |
| 05/24/2012 | US20120128507 Cooling arrangement and method of operation for a fan control |
| 05/24/2012 | US20120128505 Method and System for Pump Priming |
| 05/24/2012 | US20120124987 Self-contained modular actuator |
| 05/24/2012 | DE102011086572A1 Verfahren und Regelvorrichtung zur drehzahlvariablen Regelung eines Verdrängerpumpenaggregates sowie Verdrängerpumpenanordnung Process and control device for variable speed control of a Verdrängerpumpenaggregates and displacement pump |
| 05/23/2012 | EP2454481A2 Pump with rotor position measurement system |
| 05/23/2012 | CN202228332U Multifunctional water pump control valve |
| 05/23/2012 | CN202228331U Electrical submersible pump protector of shunt-wound dual capsule chamber first-grade seal two-cavity structure |
| 05/23/2012 | CN202228330U Three-stage sealing electrical submersible pump protector employing three independent settling chambers connected in series |
| 05/23/2012 | CN202228329U Three-level sealing electrical submersible pump protector with three independent capsule chambers in series connection |
| 05/23/2012 | CN202228328U Dual protector of compressor |
| 05/23/2012 | CN202228327U Self-coupled and voltage-reducing starting device for well used submersible electric pump |
| 05/23/2012 | CN202228326U Flashboard type concrete pump and pumping control system thereof |
| 05/23/2012 | CN202228325U Medium voltage air compressor intelligent control system of hydropower station |
| 05/23/2012 | CN202228324U Electrical control hydraulic pump |
| 05/23/2012 | CN202228323U Gas-electricity automatic-switch water lifting system |
| 05/23/2012 | CN202228322U 油位控制器 Oil-bit controllers |
| 05/23/2012 | CN202228295U Interlocking device for slurry pipe feeding pump and water seal water pump |
| 05/23/2012 | CN202228293U Solar water pump |
| 05/23/2012 | CN1892029B Compressor memory system, compressor information network, and warranty administration method |
| 05/23/2012 | CN102472269A 用于压缩机容量控制的抽吸截流卸载器阀 Suction cutoff unloader valve for the compressor capacity control |
| 05/23/2012 | CN102472268A 用于压缩机容量控制的旁路卸载阀 Unloader valve for bypassing the compressor capacity control |
| 05/23/2012 | CN102472267A Electronic oil pump |
| 05/23/2012 | CN102472265A 供给量控制方法和具有供给量控制功能的往复活塞式压缩机 Supply amount control method and a supply amount control function reciprocating piston type compressor |
| 05/23/2012 | CN102472262A 用于使正排量机械摆动的驱动装置 For causing the mechanical drive positive displacement wobble |
| 05/23/2012 | CN102472220A A pump unit |
| 05/23/2012 | CN102470728A 制冷循环 Refrigeration cycle |
| 05/23/2012 | CN102470727A Air conditioning device for vehicle |
| 05/23/2012 | CN102465868A 电促动流体泵的速度控制 Electrically actuated fluid pump speed control |
| 05/23/2012 | CN102465867A 压缩装置及其运转控制方法 Apparatus and method for controlling operation of the compression |
| 05/23/2012 | CN101672271B Air compressor energy-saving controller with constant pressure and dormancy and control method |
| 05/23/2012 | CN101603524B Undisturbed switching method for operating modes of multi-stage pump station and energy dissipater thereof |