| 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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| 01/04/2012 | CN202100438U Constant-power control device of variable displacement pump and concrete pumping device |
| 01/04/2012 | CN202100437U Compressor unit speed adjustment control system |
| 01/04/2012 | CN202100436U Surge control system of compressor unit |
| 01/04/2012 | CN202100435U High-voltage soft-start system for joint control of multiple air compressors |
| 01/04/2012 | CN202100434U Control system of emulsion pump station |
| 01/04/2012 | CN202100433U Limiting plate of hydraulic pump control handle and hydraulic hand-controlled valve with limiting plate |
| 01/04/2012 | CN202100404U High-efficiency conveying system of concrete or coal slime and two-position three-way liquid control reversing valves utilized by same |
| 01/04/2012 | CN102308089A Variable length bent-axis pump/motor |
| 01/04/2012 | CN102305209A Frequency conversion control system of air compressor |
| 01/04/2012 | CN102305205A Manually-operated dual-fluid grouting pump for mining |
| 01/03/2012 | US8087904 Hybrid hydraulic-electric RAM pumping unit with downstroke energy recovery |
| 12/29/2011 | WO2011160738A1 Device, method, and system for compressed air control and compressed air supply |
| 12/29/2011 | WO2011138122A3 Dish-washer comprising a concentricity-monitoring unit of a circulation pump |
| 12/29/2011 | US20110318198 Fluid Flow Rate Compensation System Using an Integrated Conductivity Sensor to Monitor Tubing Changes |
| 12/29/2011 | US20110318195 Pump arrangement with two pump units, system, use and method |
| 12/29/2011 | US20110318194 Pump with automatic deactivation mechanism |
| 12/29/2011 | US20110318192 Device for delivering thick matter |
| 12/29/2011 | US20110318182 Gas compressor and method for controlling flow rate thereof |
| 12/29/2011 | DE112005001075B4 Drehmomentgesteuerte Pumpenschutzeinrichtung mit mechanischer Verlustkompensierung Torque-controlled pump protection device with a mechanical Verlustkompensierung |
| 12/28/2011 | EP2399032A2 Device and method for conveying a liquid for medical purposes |
| 12/28/2011 | EP2399030A1 Device for restricting the throughflow quantity at a pump, and pump arrangement having a device of this type |
| 12/28/2011 | CN202091171U 计量泵专用控制阀 Metering pump dedicated control valve |
| 12/28/2011 | CN202091170U 混凝土输送泵半自动高低压泵送转换阀 Concrete pump pumping semi-automatic high and low pressure switch valve |
| 12/28/2011 | CN202091169U 基于plc的排水泵控制装置 Based plc drain pump control device |
| 12/28/2011 | CN202091168U 一种利用发电机中性点电压控制油泵工作的控制电路 A use of generator neutral point voltage control circuit controls the pump work |
| 12/28/2011 | CN202091167U 泥浆泵电控安全系统 Mud pump electronically controlled safety systems |
| 12/28/2011 | CN202091166U 一种污水提升泵站群的实时监控与管理设备 One kind of sewage pump stations group of real-time monitoring and management equipment |
| 12/28/2011 | CN202091165U Energy-saving frequency conversion control device for water pump of air conditioner |
| 12/28/2011 | CN202091164U 空压机智能联机节能控制系统 Intelligent energy-saving control system of air compressor line |
| 12/28/2011 | CN202091163U 热网中循环水泵多功能控制系统 Circulating pump heating network in multi-function control system |
| 12/28/2011 | CN202091162U 往复式隔膜泵自动控制系统 Reciprocating diaphragm pump automatic control system |
| 12/28/2011 | CN202091161U 集中控制式太阳能光伏水泵系统 Centralized control of solar photovoltaic pumping systems |
| 12/28/2011 | CN202091160U 压缩空气调压装置 Compressed air pressure regulating device |
| 12/28/2011 | CN202091140U 一种在线型联轴驱动叠加双泵真空机组 An online type coupling drive superimposed double pump vacuum unit |
| 12/28/2011 | CN1993040B 挤奶系统、真空源和提供真空的方法 Milking system, vacuum source and a method for providing vacuum |
| 12/28/2011 | CN102297120A 一种空压机防喘振广义预测控制系统及方法 One kind of air compressor anti-surge generalized predictive control system and method |
| 12/28/2011 | CN102297117A 空压机定时自动排污装置 Compressor regular automatic sewage plant |
| 12/28/2011 | CN102297115A 空压机自动排污装置 Compressor automatic sewage plant |
| 12/28/2011 | CN102297114A 一种车用电驱动空气压缩机、气动系统和车辆 A vehicle electric drive air compressors, pneumatic systems and vehicle |
| 12/28/2011 | CN101761470B 一种用于泵急停的关储卸压控制阀 Off Reserve Emergency relief for pump control valve |
| 12/27/2011 | US8083718 Device and method employing shape memory alloy |
| 12/27/2011 | US8083498 System and method for position control of a mechanical piston in a pump |
| 12/27/2011 | US8082747 Temperature control through pulse width modulation |
| 12/23/2011 | CA2743619A1 Pressure washer device employing a cool bypass |
| 12/22/2011 | WO2011159463A2 Variable speed high efficiency gas compressor system |
| 12/22/2011 | WO2011159405A1 Methods and systems for subsea eletric piezopumps |
| 12/22/2011 | WO2011157478A1 Apparatus for operating an adjustable swash plate pump of a hydrostatic variator |
| 12/22/2011 | WO2011094603A3 Air motor having a modular add on regulator |
| 12/22/2011 | US20110311382 Valve actuation system for a suction valve of a gas compressor for refrigeration equipment |
| 12/22/2011 | US20110311375 Modular Down Hole Gauge for Use in Retrievable Electric Submersible Pump Systems with Wet Connect |
| 12/22/2011 | US20110311374 Submersible Pumping System |
| 12/22/2011 | US20110311373 Rotary pump for a vehicle |
| 12/22/2011 | US20110311370 Sump pump system with remote control and monitoring |
| 12/22/2011 | US20110308649 Hydraulic circuit device |
| 12/22/2011 | DE102011077759A1 Control device for high pressure pump in diesel engine of vehicle, has energy application control device controlling energy application condition for each fuel ejection based on difference of fuel pressure alteration pattern |
| 12/22/2011 | DE102010030325A1 Fluid pump e.g. piston pump, for use in e.g. high-performance liquid chromatography apparatus, has control unit configured such that actual volume of pumped fluid is adjusted to predetermined nominal volume of transported fluid |
| 12/22/2011 | DE102007010029B4 Automatische Druckentlastungsvorrichtung für eine Saugpumpe Automatic pressure relief device for a suction pump |
| 12/21/2011 | EP2396554A1 Controller for a liquid supply pump |
| 12/21/2011 | EP2396544A2 Variable length bent-axis pump/motor |
| 12/21/2011 | CN202083437U 分布式智能液位无线检测架构 Distributed intelligence level wireless detection architecture |
| 12/21/2011 | CN202082085U 一种抽水机保护装置 One kind of pump protection device |
| 12/21/2011 | CN202082084U Control device of integral motor-driven piston type air compressor |
| 12/21/2011 | CN202082083U 汽车空调鼓风机风量控制装置 Automotive air conditioning blower air flow control device |
| 12/21/2011 | CN202082082U Diaphragm pump oil feeding and discharging control system based on single-chip microcomputer |
| 12/21/2011 | CN202082081U 乳化液泵站控制装置 Emulsion pump control device |
| 12/21/2011 | CN202082080U 一种液体定量抽取器 Quantitative liquid extractor |
| 12/21/2011 | CN202082079U 一种混凝土输送泵装置 For concrete pump device |
| 12/21/2011 | CN202082078U 一种微型无刷直流水泵控制电路 A miniature brushless DC pump control circuit |
| 12/21/2011 | CN202082077U 电站凝结水泵深度变频系统 Condensate Pump station depth conversion system |
| 12/21/2011 | CN202082076U 汽油动力空气压缩机气动控制装置 Gasoline-powered air compressor pneumatic control device |
| 12/21/2011 | CN102292542A 流体静力的机器的调整装置 Adjusting device hydrostatic machine |
| 12/21/2011 | CN102292505A 使用前馈控制的液压控制系统 The hydraulic control system using feedforward control |
| 12/21/2011 | CN102287361A 潜油电泵保护器用单一结构标准模块式密封座 Used submersible pump to protect the unitary structure of standard modules seal seat |
| 12/21/2011 | CN102287360A 一种压裂作业中液氮泵的控制方法 A control method for fracturing operations in liquid nitrogen pump |
| 12/21/2011 | CN102287359A 一种控制管道增压泵自动启闭的压力开关 A method for controlling the opening and closing of the pipeline booster pump automatic pressure switch |
| 12/21/2011 | CN102287353A 一种浆体管道喂料泵与水封水泵的连锁装置及其连锁方法 An interlock slurry pipeline feeding pump and the pump seal and chain method |
| 12/21/2011 | CN101542137B 液压气动单元 Hydraulic and pneumatic unit |
| 12/20/2011 | US8082082 Engine-load control device for working vehicle |
| 12/20/2011 | US8079984 Device and method employing shape memory alloy |
| 12/20/2011 | US8079983 Device and method employing shape memory alloy |
| 12/20/2011 | US8079826 Vane pump with substantially constant regulated output |
| 12/20/2011 | US8079825 Sensor-less control method for linear compressors |
| 12/15/2011 | WO2011080240A3 A hermetic compressor the winding temperature of which is measured |
| 12/15/2011 | US20110305584 Adaptive accuracy for enteral feeding pump |
| 12/15/2011 | US20110303297 Flow-Ducting Unit with Pump and Fitting |
| 12/15/2011 | DE102010023630A1 Fördervorrichtung mit Pleuelstange und Verfahren zum Regeln einer Fördervorrichtung mit Pleuelstange und mindestens einem Ausgleichsgewicht Conveying apparatus with connecting rod and method for controlling a conveyor device with at least one connecting rod and balance weight |
| 12/14/2011 | EP2395243A1 Method for controlling the operation of a compressor |
| 12/14/2011 | CN202073777U 用于柱塞泵更换润滑油的累时提醒控制装置 Remind control device for piston oil change when tired |
| 12/14/2011 | CN202073761U 空气压缩机的集中监控装置 Centralized monitoring system for air compressors |
| 12/14/2011 | CN202073760U 一种装有步进电机的微流量变量柱塞泵 One kind is equipped with stepper motor micro-flow variable piston pump |
| 12/14/2011 | CN202073759U 空压机系统及其压力流量控制装置 Air compressor system and pressure flow control device |
| 12/14/2011 | CN202073758U 空压机节能调速装置 Air Compressor speeder |
| 12/14/2011 | CN202070505U 一种双控制蒸汽清洁器 A dual control steam cleaner |
| 12/14/2011 | CN102278301A 电控液压泵 Electronically controlled hydraulic pump |
| 12/14/2011 | CN102278300A 一种空压机冷却水泵的控制系统 One kind of compressor cooling water pump control system |
| 12/14/2011 | CN102278299A 电站凝结水泵深度变频系统 Condensate Pump station depth conversion system |
| 12/14/2011 | CN102278095A 一种无杆抽油机的自动换向机构 A non-rod pumping automatic reversing mechanism |
| 12/14/2011 | CN101701579B 带易启动功能的高压柱塞泵调压系统 Easy to start with high-pressure piston pump regulator system functions |
| 12/13/2011 | US8075527 Device and method employing shape memory alloy |
| 12/13/2011 | US8074558 Axial piston device having rotary displacement control |