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)
06/2010
06/09/2010CN201502519U Lubricating oil starvation protecting device inside crank case of air compressor
06/09/2010CN201502518U Automatic control device of high-flow water pump
06/09/2010CN201502504U Vacuum pump
06/09/2010CN1798926B System for adjusting resonance frequencies in a linear compressor
06/09/2010CN101725548A Pressure-adjusting and water-breaking structure of pump
06/09/2010CN101725520A Safe pressure relief device
06/09/2010CN101725518A Water pump protector
06/09/2010CN101725517A Pump displacement control system, pump displacement control method and concrete pump
06/09/2010CN101725516A Methods and systems for determining operating states of pumps
06/09/2010CN101725515A Air compressor energy-saving control method
06/09/2010CN101725506A Cavitation resistance device
06/09/2010CN101725505A Reciprocating compressor
06/09/2010CN101319669B High/low pressure inflating pump
06/09/2010CN101205854B Digital variable air input methane power generating system
06/08/2010US7731484 Vacuum pump control device and vacuum device
06/03/2010WO2010061837A1 Method of controlling hybrid working machine and pump output limiting method for hybrid working machine
06/03/2010WO2010060337A1 Multifunctional vacuumizing device
06/03/2010WO2010025354A3 Machine control system having hydraulic warmup procedure
06/03/2010WO2009054654A3 Reciprocating compressor
06/03/2010WO2009054640A3 Reciprocating compressor
06/03/2010US20100135831 Miniature Pump Device with an Anti-Free Flow Valve
06/03/2010US20100135825 Multiple Motors Driving a Single Compressor String
06/03/2010US20100135824 Process for Peristaltic Pump Control
06/03/2010US20100135823 sewage pumping
06/03/2010US20100132351 Integrated engine welder and hydraulic pump
06/02/2010EP2191136A1 Piston air compressor
06/02/2010EP2191135A1 Micrometering system
06/02/2010EP1129288B1 Detecting obstructions in enteral/parenteral feeding tubes and automatic removal of clogs therefrom
06/02/2010DE10315781B4 Verdrängungssteuerventil für einen verstellbaren Kompressor, Kompressor mit einem solchen Ventil und Verfahren zur Herstellung solcher Kompressoren A displacement control valve for a variable displacement compressor, the compressor with such a valve and method of making such compressors
06/02/2010DE102008059638A1 Hochdruckpumpe High pressure pump
06/02/2010DE102008059205A1 Device for supplying medium along pipeline system, has inlet and outlet for medium, and hoisting device, which has pressure side and suction side
06/02/2010CN201496246U Control valve component of hydraulic diaphragm pump
06/02/2010CN201496245U Diaphragm rupture alarm structure of hydraulic diaphragm pump
06/02/2010CN201496244U Microcomputer controller for air compressor
06/02/2010CN201496243U Digit display pressure adjusting start stop apparatus for minitype air compressor
06/02/2010CN201496242U Automatic remote control and energy saving system of cluster pump station
06/02/2010CN201496220U Adjustable eccentric structure of metering pump
06/02/2010CN201496047U Anti-slip and anti-lock braking device for a walking-beam oil pumping machine
06/02/2010CN201496043U Self-locking releasable brake safety device capable for oil pumping machine
06/02/2010CN101718270A Prediction and pressure regulation method for control system of air compressor
06/02/2010CN101718269A Surge symptom identification method based on frequency band energy
06/02/2010CN101718265A Sealing component of pumping equipment, distribution valve assembly, pumping equipment and control method
06/02/2010CN101718263A Foot coaxial two-cylinder gear drive plunger pump
06/02/2010CN101716993A Boat with separated diesel-engine cooling sea water pump and method for starting sea water pump
06/02/2010CN101324229B Downhole automatic control hydraulic oil pumping machine
06/02/2010CN101264352B Self-control medical charging pump and control method thereof
06/02/2010CN101187361B Multi-channel pump and its control method
06/02/2010CN101155993B Pressure accumulating apparatus
06/01/2010US7727181 Fluid delivery device with autocalibration
06/01/2010US7726952 Arrangement and method for compressed air systems in vehicles
06/01/2010US7726949 Variable displacement compressor
06/01/2010US7726948 Hydraulic pump with variable flow and variable pressure and electric control
06/01/2010US7726516 Pump
06/01/2010US7726285 Diesel engine and supercharger
06/01/2010CA2649867C Method for compensating for pressure differences across valves in cassette type iv pump
06/01/2010CA2327111C Diaphragm pump and pump for double-breast pumping
05/2010
05/27/2010WO2010016695A3 Method for controlling inverter-integrated electric compressor for vehicle air-conditioning system
05/27/2010US20100129232 Float device for a sewage pump
05/27/2010US20100127506 System and Method for Electrically-Coupled Thermal Cycle
05/27/2010US20100126163 Hydraulic control unit
05/27/2010US20100126162 Velocity-pressure control apparatus of hydraulic machine
05/27/2010DE102008058288A1 Pressure relief valve for high pressure pump for limiting pressure of fluid, comprises valve housing with longitudinal axis and valve housing recess
05/26/2010EP2188204A2 System and method for generating a drive signal
05/26/2010CN201490700U Water pump self-control motor protector
05/26/2010CN201489313U Control circuit of food cleaner
05/26/2010CN201486837U Trial valve assembly for pressure-testing pumps
05/26/2010CN201486836U Automatic inspection device of high-pressure fire service pump
05/26/2010CN201486835U Intelligent control circuit with selectable operating mode for solar courtyard water pump
05/26/2010CN201486834U Assistant starting and protecting device of single-phase compressor
05/26/2010CN201486833U Minimum flow valve numerical control system of variable speed water feeding pump
05/26/2010CN201486832U Oil pump controller
05/26/2010CN201486831U Energy-saving system of circulating oil pump of heat-conducting oil boiler
05/26/2010CN201486830U Stepless speed regulation pump control system
05/26/2010CN201486829U Electric vacuum pump controller for assisting power and braking electric vehicle
05/26/2010CN201486828U Pressure switch of air compressor
05/26/2010CN201486824U Hydraulic diaphragm type reciprocating pump with function of membrane breakage alarm
05/26/2010CN201486807U Air storage tank of air compressor
05/26/2010CN201485959U On-line vacuum drainage system
05/26/2010CN1989303B Apparatus and method for controlling work vehicle
05/26/2010CN1836109B Control device for compressor
05/26/2010CN1818383B Variable displacement compressor
05/26/2010CN1798946B Device and method for protecting displacement compressor of air conditioner system
05/26/2010CN1648455B Device for dispensing fluid
05/26/2010CN1573106B Method and device for controlling operation of piston compressor
05/26/2010CN1573105B Method and device for controlling operation of compressor
05/26/2010CN1551466B Motor driving apparatus
05/26/2010CN1463486B Linear compressor drive device
05/26/2010CN101713397A Compressor protection and diagnostic system
05/26/2010CN101713396A Intelligent detection control method of vacuum pump and device thereof
05/26/2010CN101713395A Surge monitoring method based on incremental nonlinear manifold learning
05/26/2010CN101713394A Control unit, tube unit, and micropump
05/26/2010CN101290003B Two-in-one power generation air compressor
05/26/2010CN101184921B Pump system and method of operating a pumping system
05/25/2010US7722562 Pump set with safety interlock
05/25/2010US7722331 Control system for air-compressing apparatus
05/20/2010WO2010055723A1 Compressor drive device and operation method
05/20/2010US20100125023 Transmission device with a hydraulic system comprising a transmission main pump apparatus
05/20/2010US20100124509 Reciprocating gas compressor with speed modulation of compressor driver for pulsation avoidance
05/20/2010DE112008001914T5 Verdrängungssteuersystem für verstellbaren Verdrängungskompressor Displacement control system for variable displacement compressor
05/20/2010DE112008001709T5 Verdrängungssteuerungssystem für einen Kompressor mit variabler Verdrängung Displacement control system for a variable displacement compressor
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