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)
09/2010
09/01/2010CN201568249U Small-sized concrete conveying pump
09/01/2010CN201568247U Manual grout injection pump for mining
09/01/2010CN201568244U Water pump for concrete pump
09/01/2010CN201568030U Normally-closed brake of pumping unit
09/01/2010CN101821693A Compressor having power factor correction system and method
09/01/2010CN101821509A Compressor protection system and method
09/01/2010CN101821508A Variable speed compressor protection system and method
09/01/2010CN101821507A System and method for monitoring overheat of compressor
09/01/2010CN101818729A Pressure limiting device of pressure regulating mechanism of plunger pump or piston pump
09/01/2010CN101135234B Screw pump flow string trip preventer
09/01/2010CN101044322B Pump with selectable outlet pressure
08/2010
08/31/2010US7785293 Infusion device and driving mechanism for same
08/31/2010US7785079 Compressor and method of using compressor
08/31/2010US7785078 Method and system for monitoring a reciprocating compressor
08/26/2010WO2010094606A2 Device and method for conveying a liquid for medical purposes
08/26/2010WO2010094574A1 Device for restricting the throughflow quantity at a pump, and pump arrangement having a device of this type
08/26/2010US20100215513 Vacuum pumping system, driving method thereof, apparatus having the same, and method of transferring substrate using the same
08/26/2010US20100215512 Method for operating a compressor arrangement, and a compressor arrangement
08/26/2010US20100215511 Level Sensor System
08/26/2010US20100215509 Systems and methods for programming of a cooling fan via a serial port communication mode
08/26/2010US20100215483 Actuator
08/26/2010US20100212490 Control apparatus and control method for a piston/cylinder arrangement
08/26/2010DE102009009231A1 Einrichtung und Verfahren zur Förderung einer Flüssigkeit zu medizinischen Zwecken Apparatus and method for promoting a liquid for medical purposes
08/26/2010DE102009001118A1 High-pressure piston pump for fuel injecting mechanism of internal-combustion engine of motor vehicle, has pistons guided to shaft, where pistons are set at angle of sixty degrees to each other, and cam track formed as triple cam
08/25/2010EP2221478A1 Controller of electric compressor, start control method of electric compressor
08/25/2010EP2220444A1 Set of piston compressors and method for oil compensation
08/25/2010EP2220372A1 Compressor sensor module
08/25/2010CN201560925U Air compressor circuit
08/25/2010CN201560924U Automatic pumping device
08/25/2010CN201560923U Automatically-controlled water pumping device
08/25/2010CN201560922U Novel electric liquid ratio variable control mode structure for large-size radial variable plunger pump
08/25/2010CN201560921U Automatic variable-frequency and variable control mechanism for pumping station of mining surface protrusion-dispelling drilling machine in high Outbursting coal mine
08/25/2010CN201560920U Automatic variable-speed water feeding pump
08/25/2010CN201560919U Inflating pump
08/25/2010CN1880888B Refrigerating circulation device
08/25/2010CN101815866A Variable displacement compressor
08/25/2010CN101815865A Axial piston machine in a swash-plate construction with an actuating device
08/25/2010CN101173658B Air displacement stepless regulating method for reciprocating-piston compressor
08/25/2010CN101151464B Control valve unit with alternating stops
08/25/2010CN101086254B Compressor protection method of air conditioner and the device
08/24/2010US7779629 Pressure accumulating apparatus
08/24/2010CA2413895C Pump
08/19/2010WO2010093404A1 Compressor control for determining maximum pressure, minimum pressure, engine speed, and compressor loading
08/19/2010WO2010091454A1 Controller for a liquid supply pump
08/19/2010WO2010051420A3 Fluid device with flexible ring
08/19/2010US20100209272 Variable displacement compressor
08/19/2010US20100209259 Evacuation apparatus
08/19/2010US20100206273 Method for operating an internal combustion engine
08/19/2010DE112008002599T5 Verdrängungssteuerungssystem für einen Kompressor mit variabler Verdrängung Displacement control system for a variable displacement compressor
08/19/2010DE102009000943A1 Einrichtung zur Durchflussmengenbegrenzung an einer Pumpe und Pumpenanordnung mit solch einer Einrichtung Means for flow limitation on a pump and pump assembly with such a device
08/18/2010EP2218913A2 Pump head assembly and pressure washer having such pump head assembly
08/18/2010EP2217814A1 Pressure control unit
08/18/2010CN201554635U Multifunctional self-operated sleeve-type energy dissipating valve
08/18/2010CN201554634U Speed regulating control switch
08/18/2010CN1521582B Variable speed control of multiple motors
08/18/2010CN101809288A Displacement control system for variable displacement compressor
08/18/2010CN101806298A Oil return monitoring system of compressor and method thereof
08/18/2010CN101389863B Method and control unit for operating a linear compressor
08/18/2010CN101169078B Hydraulic chassis engineering machinery walking control method and control system
08/17/2010US7777435 Adjustable frequency pump control system
08/17/2010CA2683339C Method and system for improving pump efficiency and productivity under power disturbance conditions
08/17/2010CA2683320C Method and system for improving pump efficiency and productivity under power disturbance conditions
08/17/2010CA2506395C Pump driving method and device therefor
08/12/2010US20100202906 Safety Clamp for Walking Beam Compressor
08/12/2010US20100202904 Screw compressor pulsation damper
08/12/2010US20100202897 High pressure pump control
08/12/2010US20100202893 Motor/pump assembly
08/12/2010US20100199953 Fuel injection controlling apparatus of internal combustion engine
08/12/2010US20100199648 System for storing an additive solution and injecting it into the exhaust gases of an engine
08/12/2010DE102009008514A1 Hydrostatisches Antriebssystem einer mobilen Arbeitsmaschine Hydrostatic drive system of a mobile machine
08/12/2010DE102009000737A1 Flow rate-regulated pressurized medium conveyer system for use in e.g. auxiliary force steering system of luxury vehicle to convey hydraulic servo motor, has servo unit that allows reversing of conveying direction of adjusting pump
08/11/2010EP2215361A2 Reciprocating compressor
08/11/2010EP2215342A1 Process for electro-hydraulic circuits and systmes involving excavator boom-swing power management
08/11/2010EP1934471B1 Device for managing the displacement of a hydraulic motor or a group of hydraulic motors
08/11/2010EP1357958B1 Apparatus and method for regulating fluid pump pressures
08/11/2010CN201546940U Pressure regulating system of high pressure plunger pump with easy-to-start function
08/11/2010CN201546939U Circulating water shortage alarming system for air compressor
08/11/2010CN201546938U Automatic shock absorption control device of frequency conversion pump
08/11/2010CN201546931U Variable-displacement automobile air-conditioning compressor
08/11/2010CN201545338U Vacuum fresh-keeping system
08/11/2010CN101799006A Reciprocating pump with piston capable of automatically centering in piston cylinder
08/11/2010CN101799005A Circulating oil path control system of middle or high pressure oil-injecting screw unit
08/11/2010CN101799004A Concrete pump hydraulic control oil circuit device
08/11/2010CN101798999A Variable stroke plunger pump and starting method thereof
08/11/2010CN101408162B Strong self-priming full-automatic vacuum extractor for pump
08/11/2010CN101151463B Regulator device for a hydrostatic piston machine with electronic control unit
08/10/2010US7771174 Reciprocating slurry pump with a continuous feed rate
08/10/2010US7770388 High efficiency 2-stage fuel pump and control scheme for gas turbines
08/10/2010CA2450994C Method and apparatus to control the rate of flow of a fluid through a conduit
08/10/2010CA2367584C Pump controller
08/05/2010WO2010086134A1 Adjustment device of a hydrostatic machine
08/05/2010US20100196168 Pump end of stroke sensor
08/05/2010US20100193631 Hydraulic Drive, Hydraulic Supply Device, Airplane with a Hydraulic Supply Device and Method for Configuring a Hydraulic Supply Device
08/04/2010CN201539397U Air intake control valve
08/04/2010CN201539396U Water pump pressure controller with adjustable starting pressure
08/04/2010CN201539395U Intake control system of air compressor
08/04/2010CN201539394U Energy-saving control system of air compressor
08/04/2010CN201539241U Multifunctional emergency brake attached to balancing weight
08/04/2010CN1839261B Dual capacity compressor
08/04/2010CN1756906B System for controlling linear compressor
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