| 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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| 06/18/2013 | US8465263 Dynamic control of an electric drive |
| 06/18/2013 | US8465262 Speed control |
| 06/13/2013 | WO2013086189A1 Control for compressor unloading system |
| 06/13/2013 | WO2013083217A1 Method for monitoring a pump |
| 06/13/2013 | WO2013082976A1 Control apparatus, control method and concrete pump for viscous body pumping mechanism |
| 06/13/2013 | US20130149172 System and method for improved flow uniformity in a peristaltic pump mechanism |
| 06/13/2013 | US20130149170 Method of controlling electric oil pump in hybrid vehicle |
| 06/13/2013 | DE102011120686A1 Verfahren zum Überwachen einer Pumpe A method for monitoring a pump |
| 06/12/2013 | EP2601413A1 Exhaust system |
| 06/12/2013 | EP2601411A2 Method for starting an electric motor in a hydraulically operated working machine |
| 06/12/2013 | CN202996498U Spiral plate type cooler with alarm function for transformer |
| 06/12/2013 | CN202991433U Data monitor for city water supply pump house |
| 06/12/2013 | CN202991431U Air compressor protector |
| 06/12/2013 | CN202991430U Cooling system for cement plant air compressor |
| 06/12/2013 | CN202991429U Inflator pump control device |
| 06/12/2013 | CN202991428U Photovoltaic solar water pump system |
| 06/12/2013 | CN202991427U Start control circuit of compressor |
| 06/12/2013 | CN202991391U Air type vacuum pump |
| 06/12/2013 | CN202991388U High-pressure sump oil pumping device |
| 06/12/2013 | CN202991386U Mechanical and electrical integration control variable plunger pump |
| 06/12/2013 | CN202989223U Automatic oil-recharging control device for oil bath |
| 06/12/2013 | CN202981583U Automatic water addition device capable of controlling water addition |
| 06/12/2013 | CN103154532A Ultra high pressure pump |
| 06/12/2013 | CN103154518A Water supply pump control device |
| 06/12/2013 | CN103154513A Method for starting an electric motor in a hydraulically operated working machine |
| 06/12/2013 | CN103153839A Method for synchronizing linear pump system |
| 06/12/2013 | CN103147971A Security controller for diaphragm leakage liquid of air diaphragm pump and controlling method of the diaphragm leakage liquid |
| 06/12/2013 | CN103147970A Wireless network centralized control energy saving system for air compressors |
| 06/12/2013 | CN103147969A Micro-flow rate super-pressure reciprocating self-control pump |
| 06/12/2013 | CN103147968A Pure electric car air conditioning compressor control method and system based on fuzzy control |
| 06/12/2013 | CN103147967A GSM remote wireless intelligent control automatic water pumping system |
| 06/12/2013 | CN103147966A Control device for pneumatic diaphragm pump |
| 06/11/2013 | US8459963 Screw compressor pulsation damper |
| 06/11/2013 | US8459959 Control device of hydraulically driven fan |
| 06/11/2013 | US8459957 Water-injected compressor |
| 06/11/2013 | CA2579162C Membrane pump with air release valve |
| 06/06/2013 | WO2013080825A1 Construction machine |
| 06/06/2013 | WO2013080805A1 Pump control unit |
| 06/06/2013 | US20130142674 Fuel cell compressor air bearing wear sensor |
| 06/06/2013 | US20130142669 Systems and methods for controlling a variable speed water pump |
| 06/06/2013 | US20130140912 Solid state bilge pump switch |
| 06/06/2013 | US20130139535 Control for Compressor Unloading System |
| 06/06/2013 | DE102011087664A1 Ventilanordnung Valve assembly |
| 06/06/2013 | DE102011087571A1 Feed pump e.g. electronic gear pump for supplying liquid medium e.g. petrol to motor car, has housing in which switching circuit is arranged to receive pressure of medium, and main unit set to automatically adjust to reference value |
| 06/05/2013 | EP2598726A2 Apparatus for compressing and expanding a gas |
| 06/05/2013 | CN202971164U Plunger pump device with exhaust function in spray cleaning machine |
| 06/05/2013 | CN202971163U Plunger pump device in spray cleaning machine |
| 06/05/2013 | CN202971152U Flow control valve for hydraulic pump |
| 06/05/2013 | CN202971137U Vacuum pump abnormal shutdown warning device |
| 06/05/2013 | CN202971136U Waterproof protector rack of refrigeration compressor |
| 06/05/2013 | CN202971135U Control loop of air compressor starting under no-load |
| 06/05/2013 | CN202971134U Submersible pump pumping time switch circuit |
| 06/05/2013 | CN202971133U Power saving device of air compressor |
| 06/05/2013 | CN202971132U Device for controlling bidirectional operation of water pump |
| 06/05/2013 | CN202971131U Control device for inching forward and back of concrete cylinder of filling pump |
| 06/05/2013 | CN202971130U Air compressor energy saving control system |
| 06/05/2013 | CN202971129U Automatic control energy-saving system |
| 06/05/2013 | CN202971128U Automatic-reset electronic pressure controller |
| 06/05/2013 | CN202971127U Electronic pressure controller |
| 06/05/2013 | CN202971126U Soft start control device for electrical submersible pump |
| 06/05/2013 | CN202971125U Agricultural remote automatic water pumping control system |
| 06/05/2013 | CN202971108U Cooling system for air compressor head |
| 06/05/2013 | CN202971096U Automatic pressure-adjusting device for vacuum pump |
| 06/05/2013 | CN202971082U High-power air compressor |
| 06/05/2013 | CN202971080U Multi-pump group intelligent emulsion pump station |
| 06/05/2013 | CN202969566U Automatic drainage device |
| 06/05/2013 | CN1959113B Apparatus for controlling operation of reciprocating compressor and method thereof |
| 06/05/2013 | CN103140681A Electric compressor |
| 06/05/2013 | CN103140676A Liquid metering pump, and device for detecting the variation in pressure for such a pump |
| 06/05/2013 | CN103133322A Multi-piezoelectric-drive circulation active distribution pump |
| 06/05/2013 | CN103133321A Air pressure system maintenance early warning device and method thereof |
| 06/05/2013 | CN103133320A Torque angle control based air compressor variable speed regulating method |
| 06/05/2013 | CN103133319A Frequency converting control method and system of condensate pump of condensed steam generator set |
| 06/05/2013 | CN103133318A Air compressor |
| 06/05/2013 | CN103133317A Method and device of main oil pump overspeed protection used for pump truck |
| 06/05/2013 | CN102017396B Linear motor and reciprocating compressor employing the same |
| 06/05/2013 | CN101883924B Multi-level membrane suction pump |
| 06/05/2013 | CN101849107B Precision pump with multiple heads |
| 06/05/2013 | CN101278126B 压缩机单元 Compressor unit |
| 06/04/2013 | US8456062 Surface acoustic wave sensor device and method of controlling liquid using the same |
| 06/04/2013 | US8454323 Lubricant valve for oil pumps of internal combustion engines |
| 06/04/2013 | US8454320 Control process for a piezoelectric pump of an electric household appliance and an electric household appliance employing such a process |
| 06/04/2013 | US8454319 Pressurized-oil supply amount control device for vehicle-mounted crane |
| 06/04/2013 | US8453524 Solution feeding device |
| 05/30/2013 | WO2013075946A1 Fuel delivery system for a vehicle |
| 05/30/2013 | WO2013013974A3 Method and device for controlling and/or regulating a fluid conveyer for conveying a fluid within a fluid line |
| 05/30/2013 | US20130136623 System for controlling an electric oil pump |
| 05/30/2013 | US20130133768 Compressor System for a Compressed Air Supply Arrangement |
| 05/30/2013 | CA2856633A1 A fan assembly |
| 05/29/2013 | EP2597310A2 Method for operating a variable-speed adjustable pump |
| 05/29/2013 | EP2597308A1 Switchable pressure relief a lubricating device with piston pump |
| 05/29/2013 | EP2596819A1 Feeding set adaptor |
| 05/29/2013 | DE102012105387A1 System zum Steuern einer elektrischen Ölpumpe A system for controlling an electric oil pump |
| 05/29/2013 | DE102011119649A1 Kompressorsystem für eine Druckluftversorgungsanlage Compressor system for a compressed air supply system |
| 05/29/2013 | DE102011119299A1 Verfahren zum Betreiben einerdrehzahlvariablen Verstellpumpe A method of operating a variable speed displacement pump |
| 05/29/2013 | CN202954953U Submersible pump control circuit with automatic protection function |
| 05/29/2013 | CN202954952U Remote water pump monitoring and anti-theft system |
| 05/29/2013 | CN202954951U Hydraulic oil pump valve body automatic control mechanism |
| 05/29/2013 | CN202954950U 多功能光电型水泵自动控制器 Multifunctional photoelectric type pump automatic controller |
| 05/29/2013 | CN202954949U Sand-controlled double flow channel oil inlet controller of oil well pump of oil well |