Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04B - Positive-displacement machines for liquids; Pumps › F04B 49 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups
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)
03/2014
03/05/2014CN203463251U 12V electric portable tire inflator pump of tool car
03/05/2014CN203463247U Injection pump and injection system
03/05/2014CN203463243U Full-hydraulic concrete pump
03/05/2014CN103620220A Flow rate control method for pump and coating film forming method
03/05/2014CN103620218A Pump system
03/05/2014CN103619502A Extrusion press
03/05/2014CN103615384A Silt-resisting type multifunctional water pump control valve
03/05/2014CN103615383A Compressor with wiring protection, wiring protection device and overload protector
03/05/2014CN103615382A Intelligent submersible electric pump
03/05/2014CN103615381A Water pump with automatic protective device
03/05/2014CN103615380A Non-sensor constant-pressure pump and valve integrated device
03/05/2014CN102644584B Water quality filtering treatment method applied to culture pond
03/05/2014CN102644583B Pumping device applied to water quality filtering treatment system of culture pond
03/05/2014CN102642983B Water-quality filtration processing system for culture pond
03/04/2014US8662859 System and method for monitoring operation of a pump
03/04/2014US8662858 Generating a PWM signal dependent on a duty cycle having a piecewise linear relationship with temperature
03/04/2014US8662856 Pump control system
02/2014
02/28/2014CA2822878A1 System, method and apparatus for computing, monitoring, measuring, optimizing and allocating power and energy for a rod pumping system
02/27/2014US20140056731 Hydraulically controlled reciprocating pump system
02/27/2014US20140056723 Refrigerator with energy consumption optimization using adaptive fan delay
02/27/2014US20140056720 Pump system
02/26/2014EP2699859A2 Compression method and air separation
02/26/2014CN203453032U Accident prevention safety structure
02/26/2014CN203453031U Thickened oil blockage prevention device of electric submersible pump protector
02/26/2014CN203453030U Device protecting structure of mute oil-free air compressor
02/26/2014CN203453029U Frequency conversion control cabinet of water pumps of cement humidifying tower
02/26/2014CN203453028U Energy-saving control system for air compressors
02/26/2014CN203453027U Safe intelligent control system for air compressors
02/26/2014CN203453026U Air compressor with remote monitoring device on cement production line
02/26/2014CN203453025U Cold source water pump protecting system in flue gas waste heat recovery device
02/26/2014CN203453024U Control circuit of air compressor frequency changer
02/26/2014CN203453023U Automatic monitoring system for PLC emulsion pump station
02/26/2014CN203453022U Automatic water pumping device
02/26/2014CN203453021U Cooling water shortage and shutdown protection device for vacuum pump
02/26/2014CN203453020U Automatic oil discharge and supplement device of membrane pump
02/26/2014CN203452997U Automatic-adjustment energy-saving air compressor
02/26/2014CN103608738A Controller for controlling a frequency inverter and control method
02/26/2014CN103603793A High-precision high-frequency micropump based on super-magnetostriction converter
02/26/2014CN103603792A Three-phase frequency conversion water pump controller
02/26/2014CN103603785A Gas compressor
02/26/2014CN103600709A Fuzzy control method of inflating pump for electric buses
02/26/2014CN102213201B High-efficiency concrete or coal slurry conveying system, control method thereof, and two-position three-way hydraulically-controlled directional control valve applied to high-efficiency concrete or coal slurry conveying system
02/25/2014US8657590 Hydraulic power steering system with charging valve and air cushion in the tank
02/25/2014US8657587 End of stroke detection for electromagnetic pump
02/25/2014US8657586 Voltage compensating piston fuel pump and fuel delivery system therewith
02/25/2014US8657585 Apparatus for driving compressor of air conditioner and method for driving the same
02/25/2014US8657584 Apparatus and method for tuning pump speed
02/25/2014US8657583 Centrifugal pump with coaxial inlet and outlet and liquid level detector
02/25/2014CA2487911C Method and apparatus for detecting rub in a turbomachine
02/20/2014WO2014028711A1 System and method for detecting stall or surge in radial compressors
02/20/2014WO2014026789A1 Actuator device and axial piston machine
02/20/2014WO2014026788A1 Actuator device and axial piston machine
02/20/2014US20140048289 Fire pump system and system controller
02/19/2014CN203441737U Novel beautifying air pump
02/19/2014CN203441726U Sealing water pressure reducing device
02/19/2014CN203441719U Slotted thin metal sheet guide diaphragm leakage device
02/19/2014CN203441718U 氢气压缩机工艺控制系统 Hydrogen compressor process control systems
02/19/2014CN203441717U Metering pump switch monitoring system for spinning production line
02/19/2014CN203441716U Device applied in control of axial plunger pump negative flow and total power
02/19/2014CN203441708U Gas turbine compressed air module device
02/19/2014CN203441694U Single-cylinder independent automatic adjustment injection pump device
02/19/2014CN203441693U Bidirectional plunger linkage mechanism
02/19/2014CN203441688U Electromagnetic supercharger capable of being rapidly maintained
02/19/2014CN103597198A Inlet valve arrangement for a fuel pump
02/19/2014CN103591007A Metering pump stroke stepless regulation device
02/19/2014CN103591006A Pumping stroke optimal control method and system and engineering machine
02/19/2014CN103591005A Ejector pin device
02/19/2014CN103590993A Method for reducing flow fluctuations in liquid chromatograph and infusion pump device
02/19/2014CN103590452A Water supply apparatus
02/19/2014CN103587088A Dry-type stock mold vacuumizing device for profile extrusion
02/19/2014CN102287360B Method for controlling liquid nitrogen pump in fracturing work
02/19/2014CN102124221B Fluid working machines and methods
02/19/2014CN101598123B System and method of controlling torque of plural variable displacement hydraulic pumps
02/18/2014US8651828 Vacuum pump with combined debris catcher and pressure relief valve
02/18/2014US8651827 Electromagnetically-driven valve mechanism and high-pressure fuel supply pump using the same
02/18/2014US8651824 Condensate pump
02/18/2014CA2671381C Braking controller of a three-phase permanent magnetic brushless dc motor for directly driving a screw pump
02/13/2014WO2014023642A1 Method for detecting the flow rate value of a centrifugal pump
02/13/2014WO2014023312A1 Diaphragm pump
02/13/2014US20140044567 Reciprocating pump valve assembly with thermal relief
02/13/2014US20140044561 Controller for controlling a frequency inverter and control method
02/12/2014EP2696175A1 Method for detecting the flow rate of a centrifugal pump
02/12/2014CN203434915U Energy-saving controller of air compressor
02/12/2014CN203430758U Intelligent power pump set
02/12/2014CN203430757U Constant pressure digital variable pump
02/12/2014CN203430756U Multifunctional intelligent control system for water pump
02/12/2014CN203430755U Concrete pump reversing system
02/12/2014CN203430754U 智能控制器 Intelligent Controller
02/12/2014CN203430753U Oil pump circuit of coal gas draught fan
02/12/2014CN203430720U Single-liquid pneumatic grouting pump
02/12/2014CN203428539U Air source switching mechanism
02/12/2014CN103573602A System and method for judging running signals of steam feed pump
02/12/2014CN103573601A 压缩机保护模块 Compressor protection module
02/12/2014CN103573600A Device, method and system for controlling stirring motor and engineering machine
02/12/2014CN103573599A Monitoring system of Kaeser air compressor
02/12/2014CN103573598A System and method for controlling submersible pump
02/12/2014CN103573597A Measuring and controlling system of peristaltic pump
02/12/2014CN103573584A Compressed air heat energy recovery and control system
02/12/2014CN103573343A A method for operating a conveying and proportioning system
02/12/2014CN101952593B System and method of controlling linear compressor
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