| 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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| 02/20/2013 | CN102937073A Day-and-night photovoltaic pump system with no storage battery |
| 02/20/2013 | CN101881267B Air pump control circuit and electronic sphygmomanometer |
| 02/20/2013 | CN101718270B Prediction and pressure regulation method for control system of air compressor |
| 02/20/2013 | CN101155992B System and method for a variable home position dispense system |
| 02/19/2013 | US8376716 Multi-pump sequencing |
| 02/19/2013 | US8376714 Variable water pump control system and the control method thereof |
| 02/19/2013 | CA2528270C Pump and pump control circuit apparatus and method |
| 02/14/2013 | WO2013020655A1 Stop device, adjusting cylinder with such a stop device, method for producing such a stop device and tool for performing the method |
| 02/14/2013 | WO2013020180A1 A swimming pool controller |
| 02/14/2013 | US20130039781 Anticipation logic for a surge control valve utilized with load compressor |
| 02/14/2013 | US20130039778 System and method for controlling linear pump system |
| 02/14/2013 | US20130037137 Exhaust sensor arrangement structure |
| 02/13/2013 | EP2556254A1 System comprising pump, injector and regulator, with control signals to the pump which are based on calculated hose rigidities |
| 02/13/2013 | CN202732305U Safety monitoring system of mining desilting pump |
| 02/13/2013 | CN202732304U Oil starvation protective device of air compressor |
| 02/13/2013 | CN202732303U Simulation frequency conversion system of small-size membrane pump |
| 02/13/2013 | CN202732302U Mutual-standby circuit for dual oil pumps of high and low temperature expanders |
| 02/13/2013 | CN202732301U Pressure compensation device for descaling box |
| 02/13/2013 | CN202732300U 水泵智能控制系统 Intelligent Pump Control System |
| 02/13/2013 | CN202732290U Diaphragm pump with remote control device |
| 02/13/2013 | CN202732281U Hydraulic air pump |
| 02/13/2013 | CN202732271U Internal combustion locomotive air compressor set |
| 02/13/2013 | CN202732269U Vacuumizing and compressing device of double-acting hydraulic injection type single air cylinder |
| 02/13/2013 | CN202732259U Heat-preservation glue pump |
| 02/13/2013 | CN202725057U Centralized control system of emulsification pump |
| 02/13/2013 | CN102929235A Electric control device of double-system helium recycling equipment |
| 02/13/2013 | CN102926981A Control system of evacuating device |
| 02/13/2013 | CN102926979A Vibrating diaphragm fan, mobile phone applying same and diaphragm vibrating and ventilating method |
| 02/13/2013 | CN102920393A Cleaner and path controlling method thereof |
| 02/13/2013 | CN102003378B Novel start control circuit for double-winding compressor |
| 02/13/2013 | CN101251115B Autonomous decentralized system for n-multiple system of water feeding apparatus |
| 02/12/2013 | US8371824 Apparatus and method for controlling linear compressor with inverter unit |
| 02/12/2013 | US8371823 Apparatus and method for controlling operation of electric oil pump |
| 02/12/2013 | US8371822 Dual-powered airflow generator |
| 02/12/2013 | US8371821 Green waste water pump station control system |
| 02/12/2013 | CA2468454C Pump and pump control circuit apparatus and method |
| 02/07/2013 | US20130035031 Telecom Shelter Cooling and Control System |
| 02/06/2013 | EP2555067A1 Engineering machine and stability control system and control method thereof |
| 02/06/2013 | EP2553270A2 Valve for alternately filling two working chambers of a piston-cylinder system of a pump |
| 02/06/2013 | EP2553268A1 Reciprocating compressor with high freezing effect |
| 02/06/2013 | CN202718857U Hydraulic filter pump with function of automatic protection |
| 02/06/2013 | CN202718847U Small-displacement and small-pressure control loop for variable pump |
| 02/06/2013 | CN202718825U Wind source device for subway brake system |
| 02/06/2013 | CN102918274A Method for detecting abnormality in refrigeration apparatus and apparatus therefor |
| 02/06/2013 | CN102913427A Hydraulic pump with frequency conversion control |
| 02/06/2013 | CN102913426A Full-automatic efficient photovoltaic water pump system and control method thereof |
| 02/06/2013 | CN102913407A High-pressure constant-flow pump based on two-stage suspension transmission technology |
| 02/06/2013 | CN101025155B Systems and methods for detecting suction valve closure |
| 02/05/2013 | US8366883 Pressurized vapor cycle liquid distillation |
| 02/05/2013 | US8366409 Reciprocating pump |
| 02/05/2013 | US8366408 Externally assisted valve for a positive displacement pump |
| 02/05/2013 | US8366407 Device for reducing pulsation in a variable displacement compressor |
| 02/05/2013 | US8366405 Screw compressor with capacity control slide valve |
| 02/05/2013 | US8366404 Fuel system |
| 02/05/2013 | US8366402 System and method for determining onset of failure modes in a positive displacement pump |
| 02/05/2013 | US8365544 Screw compressor drive control |
| 01/31/2013 | WO2013014808A1 System for controlling number of compressors |
| 01/31/2013 | WO2013014807A1 System for controlling number of compressors |
| 01/31/2013 | WO2013013403A1 Concrete pumping device and control method and device thereof |
| 01/31/2013 | US20130028755 Booster Pump System for Pool Applications |
| 01/31/2013 | US20130028754 Peristaltic system, fluid delivery device, pipetting device, sleeve and method for operating the peristaltic system |
| 01/31/2013 | US20130028752 Priming of gear pump in alternative attitudes |
| 01/31/2013 | US20130028751 Shaft mounted geared fan for operating motors and method of assembling such motors |
| 01/31/2013 | US20130025569 Method for supplying a high-pressure pump in a fuel injection system of an internal combustion engine with fuel and fuel injection system |
| 01/31/2013 | DE102011079732A1 Verfahren und Vorrichtung zum Steuern bzw. Regeln eines Fluidförderers zum Fördern eines Fluides innerhalb einer Fluidleitung Method and apparatus for controlling a fluid conveyor for conveying a fluid within a fluid line |
| 01/31/2013 | DE102011052135A1 Method for controlling vacuum pump in braking system of motor vehicle, particularly electric vehicle or hybrid vehicle, involves supplying power in electric motor by power supply device for driving rotor of vacuum pump |
| 01/31/2013 | CA2842914A1 Method and device for controlling and/or regulating a fluid conveyor for conveying a fluid within a fluid line |
| 01/30/2013 | EP2551524A1 Hydraulic control circuit |
| 01/30/2013 | EP2551522A2 High pressure solenoid pump |
| 01/30/2013 | EP2550455A1 Method for regulating a compressor |
| 01/30/2013 | EP2550454A1 Method for controlling and/or regulating a metering pump |
| 01/30/2013 | CN202707459U Portable and variable pneumatic vacuum generator |
| 01/30/2013 | CN202707458U Diaphragm pump stroke adjusting assembly |
| 01/30/2013 | CN202707457U Comprehensive detecting and protecting device for submersible pump |
| 01/30/2013 | CN202707456U Electronic pressure switch of water pump |
| 01/30/2013 | CN202707455U Remote refueling control system based on telephone control |
| 01/30/2013 | CN202707454U Local manual control system for middle pressure pump of nuclear power station |
| 01/30/2013 | CN202707453U Water-level controller |
| 01/30/2013 | CN202707452U Electric control device of recycle gas compressor |
| 01/30/2013 | CN202707451U Wireless remote control floating boat pump |
| 01/30/2013 | CN202707450U Direct-current electric pump control application circuit |
| 01/30/2013 | CN202707449U Pipeline constant-pressure conveying starting disk for liquid |
| 01/30/2013 | CN202707448U Oil conveying device |
| 01/30/2013 | CN202707447U Variable frequency pump |
| 01/30/2013 | CN202707446U 智能化空压机 Intelligent Air Compressor |
| 01/30/2013 | CN202707445U Control system of fire pump |
| 01/30/2013 | CN202707444U Full-automatic intelligent photovoltaic water pump |
| 01/30/2013 | CN202707443U A variable frequency slurry circulation pump provided with a bypass circuit |
| 01/30/2013 | CN202707398U Photovoltaic water pump system |
| 01/30/2013 | CN102906416A Connection plate for a hydrostatic piston machine |
| 01/30/2013 | CN102900659A Control circuit for outdoor compressor of air-conditioner and air-conditioner |
| 01/30/2013 | CN101915230B Pneumatic actuator for water collection interface unit of vacuum drainage system |
| 01/29/2013 | US8360972 Virtual ports devices and method |
| 01/29/2013 | US8360746 Inverted pressure regulating valve for an engine oil pump |
| 01/29/2013 | US8360745 Air driven pump with performance control |
| 01/29/2013 | US8360740 Integrated fuel delivery module and methods of manufacture |
| 01/29/2013 | US8360739 Control apparatus and control method for negative pressure generating apparatus |
| 01/29/2013 | US8360738 Device for regulating the operating pressure of an oil-injected compressor installation |
| 01/29/2013 | US8360737 Dynamic range motor for a pump device |
| 01/29/2013 | US8360736 Controller for a motor and a method of controlling the motor |