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)
08/2012
08/22/2012CN202391698U Air pump with improved auto-stop structure
08/22/2012CN202391697U Pumping induction device for coal slime pump
08/22/2012CN202390923U Automatic drainage system of substation cable trench
08/22/2012CN102644585A Air compressor hybrid control system and method
08/22/2012CN102644584A Water quality filtering treatment method applied to culture pond
08/22/2012CN102644583A Pumping device applied to water quality filtering treatment system of culture pond
08/21/2012US8249826 Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellbore
08/21/2012US8246573 Detecting empty medical pump reservoir
08/21/2012US8246313 Dynamic port for measuring reactor coolant pump bearing oil level
08/21/2012CA2550584C Hydraulic motor/pump
08/21/2012CA2432848C Compressor control module
08/16/2012WO2012107987A1 Heat pump device, heat pump system, and control method for three-phase inverter
08/16/2012US20120207623 Method for Controlling Delivery Quantity, and Reciprocating Compressor Having Delivery Quantity Control
08/16/2012US20120207620 Hybrid vehicle drive system and method and idle reduction system and method
08/16/2012US20120207619 Fan motor driving device and cooling device using the same
08/16/2012US20120207618 Cooling Fan and Housing Thereof
08/16/2012US20120207617 Use of motor protection system to protect process operation
08/16/2012US20120204985 Internally dampened pressure relief valve
08/16/2012DE102011011202A1 Protection device for protecting pump from overheating or before dry running, particularly for protecting procedural process units, has fluid lines, housing and mounting plate
08/16/2012DE102011010834A1 Adjusting device for adjustment of delivery volume of positive displacement pump, has actuating medium formed by electrically operable valve control gear, where control valve is applied with adjusting force in ballast position
08/15/2012EP2487390A2 Hydrostatic drive system
08/15/2012EP2486279A1 A hydraulic pump assembly
08/15/2012EP2486278A1 Return to neutral mechanism for hydraulic pump
08/15/2012CN202381312U Machine pump stoppage alarm device
08/15/2012CN202381311U Automatic control system based on condensate pump of 9F-level gas-steam combined unit
08/15/2012CN202381310U Automatic water-level meter
08/15/2012CN202381309U Pneumatic control switch of air compressor
08/15/2012CN202381308U Automatic drainage device
08/15/2012CN202381307U Automatic switch capable of controlling opening and closing of pipeline pump according to fluid pressure and flow
08/15/2012CN202381306U Controller of motor compressor
08/15/2012CN102639943A Air conditioner
08/15/2012CN102639873A System and method for controlling linear pump system
08/15/2012CN102638132A Flooded variable speed electric machine with variable flow
08/15/2012CN102635543A Non-disturbance switching water pump control method
08/15/2012CN102635542A Undisturbed switching water pump control system
08/15/2012CN102635541A Control device and method for driving external fire pump by using diesel generator for engineering ships
08/15/2012CN102635540A Compressor speed regulating method, device and air conditioning equipment
08/15/2012CN102635539A Power system of water pump for long-distance water supply trucks and long-distance water supply truck provided with system
08/15/2012CN101852202B Double-aperture adjustable slow-closure control valve for water pump
08/14/2012US8241013 Serial capillary pump
08/14/2012US8241009 Water main system with monitoring of addition of branches, system and method therefor
08/14/2012US8241008 RPM controller using drive profiles
08/14/2012US8241007 Oil-injection screw compressor
08/14/2012US8240241 Hydraulic drive system and diagnostic control strategy for improved operation
08/09/2012WO2012034010A4 Reciprocating fluid pumps including magnets, devices including magnets for use with reciprocating fluid pumps, and related methods
08/09/2012US20120198993 Capacity control valve
08/09/2012DE102011010218A1 Method for regulating pressure of fluids delivered by servo pump of electrohydraulic drive system for injection molding machine, involves determining actual pressure from drive moment and time change of rotor position of electric motor
08/08/2012EP2484907A1 Volume flow control
08/08/2012EP2484436A1 Gas processing apparatus
08/08/2012EP2483561A1 Pump for a high pressure cleaning device
08/08/2012EP2483560A1 Pump for a high-pressure cleaning device
08/08/2012EP2483558A1 Pump for a high-pressure cleaning device
08/08/2012CN202370811U Unloading system for air compressor and electric vehicle
08/08/2012CN202370810U Protection mechanism of terminal box of refrigeration compressor
08/08/2012CN202370809U Automatic protection device of emulsion pump station
08/08/2012CN202370808U Vacuum automation control system
08/08/2012CN202370807U Safe protector for combustion driving compressor set
08/08/2012CN202370806U Dual-power supply mutually-standby automatic-switching sewage pump control device
08/08/2012CN202370805U Automatic timed switching device for emulsion pump station
08/08/2012CN202370804U Control device for liquid material transfer pump
08/08/2012CN202370803U Energy-saving type flow pressure double-control automatic switch used for controlling opening and closing of pipeline pump
08/08/2012CN202370802U Manual stroke adjusting structure for alum metering pump and sulfuric acid metering pump
08/08/2012CN202370775U Two-component linkage plunger pump
08/08/2012CN202365620U Micro water pump throttling device
08/08/2012CN102628436A Method of adjusting pressure of fluid transferred by means of speed regulating pump
08/08/2012CN102628434A Solar energy direct current rainwater pump
08/08/2012CN101351645B Apparatus and method for controlling operation of linear compressor
08/08/2012CN101155990B Capacity control valve
08/07/2012US8235922 Identification means
08/07/2012US8235674 Paint circulation pump control system
08/07/2012US8235673 Control method of inverter compressor and inverter compressor
08/07/2012US8235163 Steering boost system
08/07/2012CA2637313C Improved compressor device
08/02/2012WO2012101379A1 Device and system for monitoring a pneumatically-actuated alternating linear displacement pump
08/02/2012WO2012101230A1 Urea scr system
08/02/2012WO2012100313A1 Control system and method for reciprocating compressors
08/02/2012WO2012078862A3 Discharge vacuum relief valve for safety vacuum release system
08/02/2012US20120195770 Determination and Control of Wellbore Fluid Level, Output Flow, and Desired Pump Operating Speed, Using a Control System for a Centrifugal Pump Disposed Within the Wellbore
08/02/2012US20120195769 System and method for communication with an infusion device
08/02/2012US20120192815 Actuating Device Of A Recirculating Pump For A Cooling Circuit Of An Internal Combustion Engine
08/02/2012US20120192583 Suction Cutoff Unloader Valve For Compressor Capacity Control
08/02/2012DE102011088976A1 Anordnung zur Ansteuerung einer elektrischen Vakuum-Pumpe Arrangement for driving an electric vacuum pump
08/02/2012DE102011088975A1 Verfahren sowie Anordnung zur Regelung einer Vakuum-Pumpe Method and arrangement for controlling a vacuum pump
08/02/2012DE102011003396A1 Pumpeneinheit für eine Hochdruckpumpe Pump unit for a high pressure pump
08/01/2012EP2480840A2 Crankcase heater systems and methods for variable speed compressors
08/01/2012EP2206919B1 Variable capacity compressor
08/01/2012CN202360373U Variable quantity control valve of compressors
08/01/2012CN202360372U 变量阀 Variable valve
08/01/2012CN202360371U Control valve of compressor
08/01/2012CN202360370U Compressor control valve
08/01/2012CN202360369U Water pump control system with motor protection function
08/01/2012CN202360368U Speed-adjustable infusion pump
08/01/2012CN202360362U Oxygen charge pump with protective function
08/01/2012CN202360325U Hydraulic-drive gas compressor
08/01/2012CN102619739A Variable plunger pump
08/01/2012CN102619738A Automatic control method and controller for water pump
08/01/2012CN102619737A Magnetic water level control pump
08/01/2012CN102619736A Executive mechanism of air-intake-adjustable flow guide cascade of oxygen compressor
08/01/2012CN102619735A Method, device and means for driving a reciprocating linear motion double acting pump
08/01/2012CN102619733A Peristaltic pump
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