| 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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| 01/29/2013 | US8360735 Serial axial fan |
| 01/29/2013 | CA2647511C Control valve assembly for a compressor unloader |
| 01/28/2013 | CA2783843A1 High pressure solenoid pump |
| 01/24/2013 | WO2013011523A1 Compressor for producing energy efficient compression |
| 01/24/2013 | WO2013010687A1 Piston-type compressor |
| 01/24/2013 | US20130022476 Adaptive Pump Control for Positive Displacement Pump Failure Modes |
| 01/24/2013 | US20130022475 Sewage Pumping System and Method |
| 01/24/2013 | DE102011079478A1 Kolbenverdichter Reciprocating compressor |
| 01/24/2013 | DE102008047074B4 Rückschlagventilanordnung und Verfahren zum Betreiben einer Common-Rail-Rückschlagventilanordnung Check valve assembly and method for operating a common rail check valve assembly |
| 01/24/2013 | DE10100108B4 Hydrostatischer Axialkolbenmotor mit veränderbarem minimalen Verdrängervolumen in Abhängigkeit von dem Bremsdruck in der Ablaufseite des Axialkolbenmotors Hydrostatic axial piston variable displacement volume minimum as a function of the brake pressure in the discharge side of the axial piston motor |
| 01/23/2013 | CN202695627U Digital pump control system of fuel cell air supply system |
| 01/23/2013 | CN202695283U 压力开关 Pressure Switch |
| 01/23/2013 | CN202690432U Integration electromagnetic oil transfer pump |
| 01/23/2013 | CN202690402U Control device for water feeding pump of thermal power plant |
| 01/23/2013 | CN202690401U Measurement and control system of peristaltic pump |
| 01/23/2013 | CN202690400U Floating ball switch |
| 01/23/2013 | CN202690399U Working medium control system based on digital pump |
| 01/23/2013 | CN202690398U Novel automatic no-load protection type water pump |
| 01/23/2013 | CN202690397U Automatic control system of air compressor |
| 01/23/2013 | CN202690396U Biphasic agricultural automatic water feeder |
| 01/23/2013 | CN202690395U Automatic control switch for air pump |
| 01/23/2013 | CN202690394U Energy-saving control device for air compressor |
| 01/23/2013 | CN202690393U Single-core submersible cable linear motor rodless pump |
| 01/23/2013 | CN202690388U Precise quantitative peristaltic pump and device thereof |
| 01/23/2013 | CN202690383U Diaphragm pump with liquid leakage detection device |
| 01/23/2013 | CN202690382U Air compressor |
| 01/23/2013 | CN202690373U Power-off protection device for return oil of air compressor |
| 01/23/2013 | CN202682434U Control system of peristaltic pump for blood purification |
| 01/23/2013 | CN102893028A Phase shift controller for reciprocating pump system |
| 01/23/2013 | CN102893026A Recovered energy-type generating set and control method thereof |
| 01/23/2013 | CN102889203A Pressure controller |
| 01/23/2013 | CN102889202A Inflation and deflation control circuit of brain health instrument |
| 01/23/2013 | CN102889201A Active control system of air compressor |
| 01/23/2013 | CN102889200A Natural gas compressor control system capable of realizing automatic timing and automatic gas-leakage protection |
| 01/23/2013 | CN102889199A Diaphragm type electromagnetic air pump |
| 01/22/2013 | US8356984 Hand air pump having gauge device |
| 01/22/2013 | US8356983 Airflow control for variable speed blowers |
| 01/17/2013 | WO2012161525A3 Intelligent air compressor system |
| 01/17/2013 | US20130018605 Estimating Fluid Levels in a Progressing Cavity Pump System |
| 01/17/2013 | US20130017098 Method for optimizing the energy of pumps |
| 01/17/2013 | US20130017097 Alarm circuit |
| 01/16/2013 | EP2546481A1 Relief device for oil pump |
| 01/16/2013 | CN202673658U Main draining pump for mine |
| 01/16/2013 | CN202673652U One-way valve outer submersible motor protector |
| 01/16/2013 | CN202673651U Piston air compressor with self protection device |
| 01/16/2013 | CN202673650U Pneumatic butterfly valve system for water pump outlet |
| 01/16/2013 | CN202673649U Water level protection control device |
| 01/16/2013 | CN202673648U No-load protector for water pump |
| 01/16/2013 | CN202673647U Control system of photovoltaic pumping device and pumping device |
| 01/16/2013 | CN202673646U Integrated energy-saving control device of air compressor plant |
| 01/16/2013 | CN202673645U Vacuum pump with adjustable rate for crystal growing furnace |
| 01/16/2013 | CN202673644U Plunger type electromagnetic water pump with stable flow |
| 01/16/2013 | CN202673643U Start control circuit for compressor of geothermal heat pump air conditioning unit |
| 01/16/2013 | CN202673642U Programmable pressure maintenance pump controller |
| 01/16/2013 | CN202673641U Fully mechanized coal face emulsified liquid remote monitoring and control system |
| 01/16/2013 | CN202673616U Air pump with pressure value display function |
| 01/16/2013 | CN202673269U Automatic control system for closed bump fracturing blender truck |
| 01/16/2013 | CN202673246U Fireproof fusible plug mechanism with blocking function |
| 01/16/2013 | CN202666423U Range hood controlling system |
| 01/16/2013 | CN102884322A System comprising pump, injector and regulator, with control signals to the pump which are based on calculated hose rigidities |
| 01/16/2013 | CN102884321A System for controlling a resonant linear compressor piston, method for controlling a resonant linear compressor piston, and resonant linear compressor |
| 01/16/2013 | CN102877966A Mechanical engineering control method and engineering machine |
| 01/16/2013 | CN101737308B Control apparatus for solenoid pump of instant heating steam cleaner |
| 01/16/2013 | CN101283181B Device for managing the displacement of a hydraulic motor and hydraulic loop |
| 01/15/2013 | US8353678 Controller for a motor and a method of controlling the motor |
| 01/15/2013 | US8353677 System and method for sensing a liquid level |
| 01/15/2013 | US8353676 Method for determining faults during the operation of a pump unit |
| 01/15/2013 | CA2580626C Method for mitigating rod float in rod pumped wells |
| 01/10/2013 | WO2013005538A1 Pressure-sensitive control valve |
| 01/10/2013 | US20130011274 Compressed air supply for the operation of moving bed filters |
| 01/10/2013 | DE102011106932A1 Device for conveying and/or dosing fluids i.e. fuel, in e.g. stationary plant in vehicle, has electric control whose acoustic intensities are compared with preset limit values and used in case of regulation to change energy pulse |
| 01/09/2013 | EP2542779A1 Control device and method for controlling a torque of a drive shaft of a hydrostatic machine |
| 01/09/2013 | CN202660202U Automatic reciprocating lubricating pump group under complete pneumatic control |
| 01/09/2013 | CN202659481U Portable garden ejection pump with handle and switch |
| 01/09/2013 | CN202659479U Device for preventing suck back of vacuum system |
| 01/09/2013 | CN202659478U Load pressure feedback equipment for load-sensing pump and engineering machinery |
| 01/09/2013 | CN202659477U Frequency conversion control system of air compressor waste heat recovery |
| 01/09/2013 | CN202659476U Energy-saving system capable of optimizing total energy consumption of cooling water pump |
| 01/09/2013 | CN202659475U Energy-saving analysis system of self-regulated circulating water |
| 01/09/2013 | CN202659474U Automatic water level control device of mine air pump |
| 01/09/2013 | CN202659465U Flow-adjustable hydraulic diaphragm metering pump |
| 01/09/2013 | CN202658192U Strain strengthening pressure increasing device for austenitic stainless steel low-temperature container |
| 01/09/2013 | CN202655276U Jetting machine |
| 01/09/2013 | CN102869886A 空气压缩机系统及操作方法 An air compressor system and method of operation |
| 01/09/2013 | CN102869884A 容量控制阀 Capacity control valve |
| 01/09/2013 | CN102865217A Equipment for multi-pump variable frequency unit to realize simple operation and automatic testing and debugging method |
| 01/09/2013 | CN101985926B Hydraulic piston compressor displacement stepless adjustment method |
| 01/09/2013 | CN101328871B 活塞泵 Piston Pump |
| 01/08/2013 | US8348634 Device for the processing of compressed air, and method for the operation thereof |
| 01/08/2013 | US8348630 Flow compensated proportional bypass valve combined with a control valve |
| 01/08/2013 | US8348628 System and method for monitoring a reciprocating compressor |
| 01/08/2013 | US8348625 Multiple fan speed control system for preventing overload at start-up |
| 01/08/2013 | US8348624 Efficiency optimized air flow apparatus and method |
| 01/08/2013 | CA2683340C Fluid control system with autonomously controlled pump |
| 01/08/2013 | CA2619826C Real time optimization of power in electrical submersible pump variable speed applications |
| 01/08/2013 | CA2486126C Monitoring system for reciprocating pumps |
| 01/03/2013 | US20130004345 Motor-driven compressor |
| 01/03/2013 | US20130004340 System and method for monitoring operation of a pump |
| 01/03/2013 | US20130004338 Micropump and driving method thereof |
| 01/03/2013 | US20130004337 System and method for driving a pump |