Patents
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)
10/2012
10/24/2012EP2513479A1 Coolant compressor with linear drive
10/24/2012EP2513470A2 Method for determining the displacement of a radial piston machine
10/24/2012CN202500757U Explosion-proof air control power box for mud pump, external lubricating oil pump and spraying pump
10/24/2012CN202500756U Solar energy photovoltaic automatic pumping system
10/24/2012CN202500755U Synchronous control system of diaphragm pump
10/24/2012CN202500754U Temperature type air inlet control system of air compressor
10/24/2012CN202500753U Structure of a hydraulic pump with an overpressure protection function
10/24/2012CN202500750U Two-stage vertical air compressor
10/24/2012CN202500735U Automatic emulsion fracturing construction equipment and emulsion pump set used therein
10/24/2012CN102753841A Electro-hydraulic drive system for a work machine
10/24/2012CN102753837A Control system for swashplate pump
10/24/2012CN102753831A Method for optimising the energy of pumps
10/24/2012CN102753827A Apparatus and method for tuning pump speed
10/24/2012CN102748275A Frequency boundary control method for variable-frequency air conditioner compressor
10/24/2012CN102748274A Control device for pressurizing motor
10/24/2012CN102748202A Control method and system for torque of hydraulic pump motor
10/24/2012CN102743803A Peristaltic pump control system for purifying blood and method thereof
10/24/2012CN101592546B Method and apparatus for verifying a leak in connection with a flow inhibitor
10/23/2012US8292600 Control system for an air operated diaphragm pump
10/23/2012US8292598 System and method for a variable home position dispense system
10/23/2012US8292595 Method of constant airflow control for a ventilation system
10/23/2012US8292594 Fluid pumping systems, devices and methods
10/23/2012US8291761 Solid state fluid level sensor
10/22/2012DE202012103598U1 Überströmventil für einen Flüssigkeitspumpe Valve for a liquid pump
10/18/2012WO2012141912A2 Compression method and air separation
10/18/2012WO2012140944A1 Water supply pump control device
10/18/2012US20120263604 Hydraulic pump control apparatus and method of construction machine
10/18/2012US20120260693 Compression method and air separation
10/18/2012US20120260645 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange
10/18/2012DE102011017433A1 Verfahren zur intelligenten Regelung einer Kompressoranlage mit einer Wärmerückgewinnung A method for intelligent control of compressor units with heat recovery
10/18/2012CA2831911A1 Compression method and air separation
10/17/2012EP2510237A2 System and method for controlling linear pump system
10/17/2012CN202493411U Novel refrigerator controller
10/17/2012CN202493410U Solar water pump
10/17/2012CN202493409U Air compressor cluster monitoring system
10/17/2012CN202493408U Automatic water-pumping device of bridge and culvert
10/17/2012CN202493405U Diaphragm-type tap-water-powered pressure exchange pump for non-pressure-bearing tank
10/17/2012CN202493402U Air supply device of pneumatic device
10/17/2012CN202492923U Automatic drainage system for water accumulated on road of overpass
10/17/2012CN102741552A Linear compressor
10/17/2012CN102741551A Coolant compressor with linear drive
10/17/2012CN102734146A Device for controlling low-pressure fluid to be automatically delivered to high place by utilizing high-pressure fluid
10/17/2012CN102734145A Wireless remote speed regulation system for sewage lifting pump
10/17/2012CN102734144A 流量分配系统及流量分配方法 Flow distribution system and flow distribution method
10/17/2012CN102734143A Intelligent submersible electric pump protecting control device
10/17/2012CN102734134A Reciprocating piston compressor with delivery rate control
10/17/2012CN101550928B Material level judging and controlling mechanism of concrete delivery pump
10/17/2012CN101189431B Variable volume, shape memory actuated insulin dispensing pump
10/16/2012US8287255 Variable displacement rotary pump
10/16/2012US8287251 Variable ratio hand pump
10/16/2012US8287248 Compressor
10/16/2012US8287246 Systems and methods for automatic forward phasing determination in a downhole pump system
10/16/2012US8287245 System and method for control of devices internal to a hermetic compressor
10/16/2012US8287244 Motor control apparatus for a ventilation system
10/16/2012US8287230 Fixed and variable compressor system capacity control
10/11/2012US20120259299 Portable vacuum generation device, and medical suction device using same
10/11/2012US20120257990 Control of subsea compressors
10/11/2012US20120255711 Thermal accumulator and method of use
10/10/2012EP2507505A1 Common rail fuel pump with combined discharge and overpressure relief valves
10/10/2012CN202483852U Control system for high-viscosity fluid constant-pressure steady-flow delivery pump
10/10/2012CN202483851U Dehumidifier double-winding compressor protecting system for ship
10/10/2012CN202483850U Three-remote intelligent terminal of mobile phone
10/10/2012CN202483849U Industrial air compressor controller with multi-protocol automatic conversion
10/10/2012CN202483848U Control circuit of vaccine cold storage refrigeration compressor
10/10/2012CN202483830U Mini air pump
10/10/2012CN102725600A Crankcase heater systems and methods for variable speed compressors
10/10/2012CN102725078A Water-injection control device in rolling line, water-injection control method, water-injection control program
10/10/2012CN102723511A Digital pump control system for fuel cell gas supply system and operating method of digital pump control system
10/10/2012CN102720666A Energy-saving and environment-friendly underwater water pump
10/10/2012CN102720665A Energy consumption reduction hydraulic pump device
10/10/2012CN102720664A Digital-pump-based working medium control system and application thereof
10/10/2012CN101737309B Device and method for stabilizing pressure of decarburizing pressure swing adsorption vacuum pump
10/10/2012CN101718265B Sealing component of pumping equipment, distribution valve assembly, pumping equipment and control method
10/10/2012CN101479481B Hydraulic oil well pumping apparatus
10/09/2012US8282361 Controller for a motor and a method of controlling the motor
10/09/2012US8282360 Pneumatically operated reciprocating pump
10/09/2012US8282359 Rotary blood pump and control system therefor
10/09/2012US8282358 Fluidic device
10/09/2012CA2528390C Improvements in and relating to portable liquid dispensers having peristaltic pumps
10/04/2012WO2012132411A1 Electric compressor
10/04/2012WO2012129769A1 Centralized monitoring device of air compressor
10/04/2012US20120251346 Air Compressor
10/04/2012US20120251341 Fuel pump module including a horizontal sender gauge
10/04/2012US20120251340 Method for improving sensorless flow rate estimation accuracy of pump driven with frequency converter
10/04/2012US20120251337 Sliding valve downhole pump
10/04/2012US20120251335 Pump controller with multiphase measurement
10/04/2012US20120251334 Ceiling Fan Controller Using a Dip Switch to Set Rotation Speed Thereof
10/04/2012US20120251333 Autonomous Sump Pump System
10/04/2012DE102012006777A1 Regler, insbesondere Ansaugregler für Kompressoren Regulators, particularly suction regulator for compressors
10/04/2012DE102012006363A1 Luftregler für Kompressoren, insbesondere Schraubenkompressoren Air regulator for compressors, screw compressors in particular
10/04/2012DE102011015903A1 Pump assembly, particularly fixed pressure system, has working line opens at common high-pressure connection or in common high-pressure line, where switching valve is switched based on threshold speed of rotary variable drive
10/04/2012DE102008059205B4 Bidirektionale Fördervorrichtung Bi-directional conveyor
10/03/2012EP2505724A1 Swing hydraulic pressure control device of work machine
10/03/2012EP2504586A2 Hydraulic drive
10/03/2012CN202468261U Protective device for submersible pump of sewage treatment system
10/03/2012CN202468260U Device for realizing simple operation of multi-pump frequency converter set
10/03/2012CN202468259U Control circuit for pump for distilled water treatment
10/03/2012CN202468258U Improved water drainage pump control system
10/03/2012CN202468257U Water pump energy-saving control device
10/03/2012CN202468256U Computer-control-based intermittent starter of oil pumping unit
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