| 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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| 08/01/2012 | CN102619722A Hydraulic dual-fluid grouting pump |
| 08/01/2012 | CN102619721A Multistage electromagnetic incentive type piston pump in linear reciprocation and control circuit thereof |
| 08/01/2012 | CN102619719A Pumping distribution mechanism, pumping device, control method thereof and concrete pump truck |
| 08/01/2012 | CN102619718A Pumping distribution mechanism, pumping device and control method for pumping device, and concrete pump truck |
| 08/01/2012 | CN102619717A Pumping distribution mechanism, pumping device, control method thereof and concrete pump truck |
| 08/01/2012 | CN102619262A Fully automatic household water-saving device |
| 07/31/2012 | US8231367 Compressor having a simplified structure with a reduced size |
| 07/31/2012 | US8231366 Fan, motor and air-cooled bushing comprising an internal wall, external wall and hollow portion therebetween |
| 07/31/2012 | US8231361 Hydrostatic pump |
| 07/31/2012 | US8231360 Hydrostatic pump with a mechanical displacement volume control |
| 07/31/2012 | US8231359 Pump unit comprising a main pump and a charge pump with a variable pump capacity |
| 07/31/2012 | US8231356 Control system and control method for electric water pump |
| 07/31/2012 | US8231355 Linear motor controller improvements |
| 07/26/2012 | US20120189467 Method for Controlling Delivery Quantity, and Reciprocating Compressor Having Delivery Quantity Control |
| 07/26/2012 | US20120189466 Well Deployed Heat Fin For ESP Motor |
| 07/26/2012 | US20120189465 High pressure fuel pump piston assembly |
| 07/26/2012 | US20120189464 Solid State Sump Pump Control |
| 07/26/2012 | US20120189463 Hydraulic pump operating device and method for use in hydraulic system |
| 07/26/2012 | US20120189462 Pump Assisted Refilling System for LPG Fuel Tanks |
| 07/26/2012 | US20120186673 Aircraft engine fuel system |
| 07/25/2012 | CN202348635U Flow regulation device for plunger reciprocation pump |
| 07/25/2012 | CN202348632U Valve plug for control valve of plunger pump |
| 07/25/2012 | CN202348631U Water pump unit for quantitatively regulating water quantity |
| 07/25/2012 | CN202348630U Load-removal emptying control device for air compressors in two units |
| 07/25/2012 | CN202348629U Wireless monitoring system for pump stations |
| 07/25/2012 | CN202348628U Concrete pumping equipment and pumping control device thereof |
| 07/25/2012 | CN102612600A Rotary vane compressor |
| 07/25/2012 | CN102606463A Compressor memory system, compressor information network, and warranty administration method |
| 07/25/2012 | CN102606462A Monitoring protection method for hydraulic station of blast shaft |
| 07/25/2012 | CN102606461A Remote bidirectional intelligent monitoring protector for electric water pump |
| 07/25/2012 | CN102606460A Remote bidirectional intelligent monitoring protecting device with mobile phone short message control function for electric water pump |
| 07/25/2012 | CN102606459A One-key setting device of electric water pump |
| 07/25/2012 | CN102606458A Hydraulic system for variable-speed variable pump |
| 07/25/2012 | CN102606457A Auxiliary air source control system and method for electric locomotive |
| 07/25/2012 | CN102606445A Dual-pump type variable-frequency submersible pump |
| 07/25/2012 | CN102606112A Oil pumping unit |
| 07/25/2012 | CN102071809B Concrete pump truck, damping device and method for concrete pump truck arm support |
| 07/25/2012 | CN102032140B Handheld electric vacuum pump, control system thereof and vacuum refreshing system |
| 07/25/2012 | CN102029268B Dual-control steam cleaner |
| 07/25/2012 | CN101922429B Concrete pump truck and control method thereof as well as pumping system and distribution mechanism thereof |
| 07/24/2012 | US8226379 Hydraulic pump |
| 07/24/2012 | US8226374 Variable motor drive system for a reservoir with circulating fluid |
| 07/24/2012 | US8226373 Sensorless magnetic bearing type blood pump apparatus |
| 07/24/2012 | US8226372 Electric compressor |
| 07/24/2012 | US8226371 Pump control unit with decelerometer switch |
| 07/24/2012 | US8226370 Hydraulic system and method for controlling valve phasing |
| 07/19/2012 | WO2012097361A2 Control valve for airless sprayer pressure adjustment |
| 07/19/2012 | WO2012094694A1 A variable stroke assembly |
| 07/19/2012 | US20120183414 Compressor overload protection device |
| 07/19/2012 | US20120183413 Reactor Feedwater Pump Control System |
| 07/18/2012 | EP2475888A1 Energy saving system and method for devices with rotating or reciprocating masses |
| 07/18/2012 | CN202340199U 电动机启动器及压缩机 Motor starters and compressors |
| 07/18/2012 | CN202338475U 碎玻璃水池电气控制系统 Broken glass pool electrical control system |
| 07/18/2012 | CN202338467U 智能油位控制器 Smart oil level controller |
| 07/18/2012 | CN202338458U 油气回收隔爆真空泵 Flameproof vacuum vapor recovery |
| 07/18/2012 | CN202338455U 一种高压柱塞泵 A high-pressure piston pump |
| 07/18/2012 | CN1688814B Control method for controlling the gas flow in a compressor |
| 07/18/2012 | CN102597524A Heat pump device, two-stage compressor, and method of operating heat pump device |
| 07/18/2012 | CN102588261A Compressor memory system, compressor information network, and warranty administration method |
| 07/18/2012 | CN102588260A Remote monitoring system for compressor and monitoring method for compressor |
| 07/18/2012 | CN102588259A Frequency conversion and constant voltage control device of air compressor unit for cement plant |
| 07/18/2012 | CN102588258A Remote monitoring device and monitoring method for feed pump |
| 07/18/2012 | CN102588257A Controller for DC (direct current) frequency conversion compressor |
| 07/18/2012 | CN102588244A Emulsion pump station and control system thereof |
| 07/18/2012 | CN101905043B Membrane pump with bleed valve |
| 07/18/2012 | CN101680437B Pump unit with a main pump and a charging pump with a variable pump capacity |
| 07/17/2012 | US8221093 Locking ring in a pump of a beverage system |
| 07/17/2012 | US8221091 Driving controlling apparatus for reciprocating compressor and method thereof |
| 07/17/2012 | US8221090 Reciprocating compressor stroke control by compensating motor inductance influences |
| 07/17/2012 | US8221089 Thin, solid-state mechanism for pumping electrically conductive liquids in a flexible thermal spreader |
| 07/17/2012 | US8221088 Linear compressor controller |
| 07/12/2012 | WO2012094389A2 Variable stroke control structure for high pressure fuel pump |
| 07/12/2012 | WO2012093677A1 Electric pump device |
| 07/12/2012 | US20120177510 High-speed check valve suitable for cryogens and high reverse pressure |
| 07/12/2012 | US20120177508 Capacity modulation system for compressor and method |
| 07/12/2012 | US20120177507 Laboratory syringe pumps |
| 07/12/2012 | US20120177505 Variable stroke control structure for high pressure fuel pump |
| 07/12/2012 | US20120177504 Linear Rod Pump Apparatus and Method |
| 07/12/2012 | DE102011008165A1 Verfahen zum leistungsoptimierten Betreiben einer elektromotorisch angetriebenen Pumpe bei geringen Volumenströmen Procedure for performance-optimized operating a motor driven pump at low flow rates |
| 07/11/2012 | EP2474739A1 Hydraulic drive device of hydraulic operating machine |
| 07/11/2012 | EP1867873B1 Capacity control valve |
| 07/11/2012 | CN202334607U 一种基于多协议外控通讯接口的精密注射泵 Based on multiple protocol precision injection pump control communication interface |
| 07/11/2012 | CN202326149U 一种气泵自动限压调压表 One kind of pump pressure regulator automatic limit table |
| 07/11/2012 | CN202326148U 车用空调器压缩机启动的控制机构 Car air conditioner compressor start control mechanism |
| 07/11/2012 | CN202326147U Concrete pumping machinery and material level control device thereof |
| 07/11/2012 | CN202326146U 斜巷多级无人自动排水装置 Inclined Drift multistage unmanned automatic drainage |
| 07/11/2012 | CN202326145U Protection circuit of compressor and air conditioner |
| 07/11/2012 | CN202326144U 同步同速无负压的多泵站异地联动控制系统 Synchronous speed with no negative multi-pump station remote control linkage system |
| 07/11/2012 | CN202326143U 大功率水泵、电机变频转工频切换装置 High-power pumps, motors frequency switching frequency transfer device |
| 07/11/2012 | CN202326142U 智能换热机组二次网水泵电控装置 Intelligent heat pump unit secondary network of electronic control devices |
| 07/11/2012 | CN202326141U 水泵控制柜 Pump control cabinet |
| 07/11/2012 | CN202326140U 乳化液泵站防爆恒压供液装置 Emulsion pump constant pressure for liquid-proof device |
| 07/11/2012 | CN202326139U 一种水泵控制器 One kind of water pump controller |
| 07/11/2012 | CN202326138U 智能化节能低噪音活塞式空气压缩机 Intelligent energy-saving low-noise piston-type air compressor |
| 07/11/2012 | CN202326137U 自动可调水泵控制系统 Adjustable automatic pump control system |
| 07/11/2012 | CN202326136U 一种用于自动控制空压机的组合进气阀 A combination of automatic control of the air compressor for the intake valve |
| 07/11/2012 | CN202326135U 电磁感应洗涤泵 Electromagnetic induction wash pump |
| 07/11/2012 | CN202326134U 断水泵 Broken water pump |
| 07/11/2012 | CN202326133U 一种隔膜泵液压油量自动平衡调节结构 One kind of diaphragm pump hydraulic oil automatic balance adjustment structure |
| 07/11/2012 | CN202326132U 无气泵的运动方向转换器 Airless pump's direction of motion converter |