| 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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| 04/26/2012 | US20120100009 Pump control device and pump device |
| 04/26/2012 | DE102010064262A1 Pump, particularly high-pressure pump, for conveying fuel such as diesel fuel, for motor vehicle, has cylinder having inlet and outlet, and another cylinder having another inlet and another outlet |
| 04/25/2012 | EP2444667A1 Bootstrap accumulator system with telescoping actuator cylinder |
| 04/25/2012 | EP2444609A1 Exhaust gas treatment method and device for internal combustion engine |
| 04/25/2012 | EP2444557A1 Hydraulically-Powered Working Vehicle |
| 04/25/2012 | EP2444556A1 Pump Unit |
| 04/25/2012 | EP1783869B1 Connector |
| 04/25/2012 | CN202203099U 电液控制高压大流量双泵分流与双选择合流阀 Electro-hydraulic control high pressure and high flow dual-pump bypass valve dual selection confluence |
| 04/25/2012 | CN202203098U 一种泵的自保系统及带有自保系统的智能泵 A pump is self-protection systems and smart pumps with self-protection system |
| 04/25/2012 | CN202203097U 一种水电站机组顶盖排水控制系统 One kind of roof drainage control system Hydropower Plant |
| 04/25/2012 | CN202203096U 一种水电站中压空压机控制系统 One kind of Hydropower Station pressure compressor control system |
| 04/25/2012 | CN202203095U 一种水电站机组技术供水控制系统 One kind of Hydropower Unit Water Supply Control System |
| 04/25/2012 | CN202203094U 一种时控水泵 A time-controlled pump |
| 04/25/2012 | CN202203093U 中央空调水泵变频增压系统 Central air conditioning system booster pump frequency |
| 04/25/2012 | CN202202971U 吊斗车的液压泵转速控制装置 Hanging trolley hydraulic pump speed control device |
| 04/25/2012 | CN102428328A 可变速压缩机 Variable speed compressor |
| 04/25/2012 | CN102428277A 诊断系统 Diagnostic System |
| 04/25/2012 | CN102428272A 用于可变排量泵的控制阀 A control valve for a variable displacement pump |
| 04/25/2012 | CN102425539A 一种计量泵用行程调节装置 A measure of the pump stroke adjusting means |
| 04/24/2012 | US8162623 High-pressure liquid supply pump |
| 04/24/2012 | US8162620 Method for control of a pressurised air supply system for a motor vehicle |
| 04/24/2012 | US8162619 Method for controlling the discharge pressure of an engine-driven pump |
| 04/24/2012 | US8162618 Method and device for controlling pump torque for hydraulic construction machine |
| 04/19/2012 | WO2012051560A1 Hybrid hydraulic systems for industrial processes |
| 04/19/2012 | WO2012025086A3 Method for starting an electric motor in a hydraulically operated working machine |
| 04/19/2012 | US20120093662 Auto-stop air pump |
| 04/19/2012 | US20120091165 System and Method for Correcting for Pressure Variations Using a Motor |
| 04/19/2012 | DE102011016998A1 Hydraulic storage system for transmission control, has accumulator valve that connects electrically-driven pump with pressure accumulator in primary state and connects pump with load in secondary state, based on adjustable pressure limit |
| 04/19/2012 | DE102010048893A1 Load-Sensing geregeltes hydrostatisches Antriebssystem Load-sensing controlled hydrostatic drive system |
| 04/19/2012 | DE102010042620A1 Method for controlling multi-phase series piston pump used in motor vehicle, involves changing duty factor of pulse signal for controlling drive motor of series piston pump in order to reduce driving power of drive motor |
| 04/19/2012 | CA2814728A1 Hybrid hydraulic systems for industrial processes |
| 04/18/2012 | EP2440777A1 Ring cam and fluid-working machine including ring cam |
| 04/18/2012 | CN202194817U 一种压缩机内置式保护器 A compressor built-in protection |
| 04/18/2012 | CN202194816U 一种自动引水泵组 An automatic water pump |
| 04/18/2012 | CN202194815U 一种车用空调器压缩机控制电器 A vehicle air conditioner compressor control appliances |
| 04/18/2012 | CN202194814U 热处理厂循环冷却水水泵的自动控制装置 Heat treatment plant circulating cooling water pump automatic control device |
| 04/18/2012 | CN102422021A 活塞机，尤其是液体活塞机 Piston machines, especially liquid piston machine |
| 04/18/2012 | CN102421516A 气体处理设备 Gas treatment apparatus |
| 04/18/2012 | CN102418690A 燃驱压缩机组安全保护器 Burning drive compressors security protection |
| 04/18/2012 | CN102418689A Variable pump control system and method, hydraulic walking equipment and control method thereof |
| 04/18/2012 | CN102418682A 一种双缸计量柱塞泵及其计量方法 A cylinder piston metering and measurement methods |
| 04/18/2012 | CN102418392A 多层太阳能幕墙结构 Multilayer solar curtain wall structure |
| 04/17/2012 | US8157538 Capacity modulation system for compressor and method |
| 04/17/2012 | US8157537 Method, system, and apparatus for operating a sucker rod pump |
| 04/17/2012 | US8157536 Rotating speed adjustment circuit and related control system for a heat dissipation fan |
| 04/17/2012 | US8157535 Electrical air pump assembly and inflatable product having the same |
| 04/12/2012 | WO2012046162A1 Liquid metering pump, and device for detecting the variation in pressure for such a pump |
| 04/12/2012 | WO2012045387A1 Electrohydraulic unit |
| 04/12/2012 | US20120087805 Method for controlling the discharge pump of a household appliance and processing unit for implementing said method |
| 04/12/2012 | US20120087804 Method and pump unit for a pressure sewerage system |
| 04/12/2012 | DE102010048111A1 Elektrohydraulische Einheit Electro-hydraulic unit |
| 04/12/2012 | CA2812284A1 Liquid metering pump, and device for detecting the variation in pressure for such a pump |
| 04/12/2012 | CA2725950A1 A method and pump unit for a pressure sewerage system |
| 04/11/2012 | EP1910679B1 Reciprocating piston pump with air valve, detent and poppets |
| 04/11/2012 | CN202187897U 一种热保护器基座 A thermal protector base |
| 04/11/2012 | CN202187896U 同步控制型冷却循环水泵节能装置 Synchronous controlled cooling circulating pump energy-saving devices |
| 04/11/2012 | CN202187895U 潜水泵控制电路及具自保护功能的潜水泵 Submersible pump control circuit and a self-protection function submersible pumps |
| 04/11/2012 | CN202187894U 一种有流量自动调整装置的柱塞泵 A kind of automatic flow adjustment device piston |
| 04/11/2012 | CN202187888U 井口天然气压缩系统 Wellhead natural gas compression system |
| 04/11/2012 | CN202187880U Automobile-used electrically-driven air compressor, pneumatic system and automobile |
| 04/11/2012 | CN102410196A 具有多回路-活塞机和能量回收的液压系统 With multi-loop - piston machine and hydraulic energy recovery system |
| 04/11/2012 | CN102410195A Concrete pumping equipment and cut-off reversing device thereof |
| 04/11/2012 | CN102410194A 一种柱塞往复泵的流量调节装置 One kind of piston reciprocating pump flow control device |
| 04/11/2012 | CN102410193A 制冷压缩机的接线盒的防护机构 Refrigeration Compressor Protection Agency junction box |
| 04/11/2012 | CN102410192A 多泵智能控制器 Cascade intelligent controller |
| 04/11/2012 | CN102410191A 液体泵无连接智能控制器 Liquid pump without connecting intelligent controller |
| 04/11/2012 | CN102410190A 一种医用空气压缩机启停控制方法 A medical air compressor start-stop control method |
| 04/11/2012 | CN102410189A 机车空气压缩机控制方法 Locomotive air compressor control method |
| 04/11/2012 | CN102410188A 闸板式混凝土泵及其泵送控制系统 Concrete pumps and pumping gate control system |
| 04/11/2012 | CN102410187A Method for achieving liquid flow output, phase-change power unit and constant flow pump |
| 04/11/2012 | CN102410186A A fluid assembly and a method for controlling a pressure supply unit of the fluid assembly |
| 04/11/2012 | CN102410185A 柱塞式高压水泵系统及其高低压模式切换方法 High-pressure plunger pumps and high and low pressure systems mode switching method |
| 04/11/2012 | CN102410184A Pumping reverse control method, device and system for pumping device |
| 04/11/2012 | CN102410167A 液压注浆泵拨杆式换向机构 Hydraulic injection pump lever type commutation mechanism |
| 04/11/2012 | CN101737314B 高黏度精密胶泵 Precision plastic pump high viscosity |
| 04/11/2012 | CN101725548B 泵调压及断水结构 Pump regulator and without water structure |
| 04/10/2012 | US8152496 Continuing compressor operation through redundant algorithms |
| 04/10/2012 | US8152476 Positive displacement pump with a working fluid and linear motor control |
| 04/10/2012 | US8152475 Method for controlling operation of a compressor |
| 04/10/2012 | US8151564 Fuel efficient hydraulic power steering |
| 04/05/2012 | WO2012042899A1 Electric compressor |
| 04/05/2012 | US20120083730 Variable Volume, Shape Memory Actuated Insulin Dispensing Pump |
| 04/05/2012 | US20120082571 Fluid level control mechanism |
| 04/05/2012 | US20120082570 Dual drive pump system |
| 04/05/2012 | US20120082569 Very-Small-Capacity Pressure Gauge |
| 04/05/2012 | US20120080378 Thin film composite membranes for forward osmosis, and their preparation methods |
| 04/04/2012 | EP2436925A1 Method, device and drive means of a double acting pump with alternating linear movement |
| 04/04/2012 | EP2435712A2 Controlled hydraulic systems comprising a variable drive ratio device |
| 04/04/2012 | CN202182015U 一种双电压水泵专用的自动转换开关 A dual voltage pump dedicated automatic transfer switch |
| 04/04/2012 | CN202182014U 电控自动抽水装置 Electronically controlled automatic pumping equipment |
| 04/04/2012 | CN202182002U 一种砂浆和细石混凝土输送装置 One kind of fine stone mortar and concrete delivery device |
| 04/04/2012 | CN202182001U 一种多功能混凝土输送泵 A multifunctional concrete pump |
| 04/04/2012 | CN102400901A 可实现抽充两用功能的转换阀门 Can achieve dual function charge pump switching valves |
| 04/04/2012 | CN102400900A 基于集散控制系统的同步器自动控制装置 Automatic control device based synchronization Distributed Control System |
| 04/04/2012 | CN102400899A 空调压缩机的控制装置、控制方法、变频空调 Air conditioning compressor control device, control method, inverter air conditioner |
| 04/04/2012 | CN102400898A 断水泵 Broken water pump |
| 04/03/2012 | US8147211 Method and system for monitoring a reciprocating compressor valve |
| 04/03/2012 | US8147210 Electric motor in an overflow capture vessel in a tank |
| 03/29/2012 | WO2012039845A2 Electric motor pump control incorporating pump element position information |
| 03/29/2012 | WO2012038050A1 Hydraulic machine with electronically controlled valves |