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)
11/2012
11/14/2012CN102782321A Control device and method for controlling a torque of a drive shaft of a hydrostatic machine
11/14/2012CN102778367A Sampling device for water quality dilution and control method thereof
11/14/2012CN102777369A Apparatus using electronically-controlled valves
11/14/2012CN102777368A Air compressor controller capable of realizing dynamic monitoring and air compressor thereof
11/14/2012CN102777367A Automobile electronic water pump controller with multiple interfaces
11/14/2012CN102777366A Power-saving device based on cooperation of N parallel compressors
11/14/2012CN102777365A Method for the intelligent control of a compressor device with heat recovery
11/14/2012CN102777364A Pumping mechanism and control method thereof as well as concrete pumping equipment
11/14/2012CN102777363A Intelligent reversing electric submersible rodless oil pumping device
11/14/2012CN102777346A Cryopump system and method for regenerating cryopumps
11/14/2012CN101890762B Wireless remote control cement slurry pumping device
11/14/2012CN101855450B Improved concrete pump
11/13/2012US8308455 Unloader system and method for a compressor
11/13/2012US8308448 Scroll compressor capacity modulation with hybrid solenoid and fluid control
11/13/2012US8308447 Piston compressor producing an internal cooling air flow in the crankcase
11/13/2012US8308446 Smart blow-down system for variable frequency drive compressor units
11/13/2012US8308442 Integrated electric compressor
11/13/2012US8308441 Robust PID control for BLDC motor controller
11/13/2012US8308440 Vacuum processing apparatus, method of controlling vacuum processing apparatus, device manufacturing method, and storage medium
11/08/2012WO2012151285A1 Compressor discharge temperature monitor and alarm
11/08/2012WO2012149989A1 Control device for an air supply system and method for controlling or regulating an air supply system
11/08/2012WO2012097361A3 Control valve for airless sprayer pressure adjustment
11/08/2012WO2010144793A3 Method for detecting a barrel leak in a pump system
11/08/2012US20120283882 Method and apparatus for controlling multiple variable displacement hydraulic pumps
11/08/2012US20120282115 Method, apparatus, and computer-readable storage medium for controlling torque load of multiple variable displacement hydraulic pumps
11/08/2012US20120282111 System and method of differential pressure control of a reciprocating electrokinetic pump
11/08/2012DE102011100404A1 Pump e.g. intermittent conveying pump for conveying fluid e.g. oil in spacer device, has suction side and pressure side in which annular groove is provided
11/07/2012CN202520529U Energy-saving intelligent protection and control system of heat exchanger of air compressor
11/07/2012CN202520528U Automatic on-off submersible pump used under coal mine
11/07/2012CN202520527U United control system for screw compressor and piston compressor
11/07/2012CN202520525U Vacuum plate vacuumizing device which can work efficiently and continuously
11/07/2012CN202520506U Carbon monoxide compressor
11/07/2012CN202520500U Precision metering pump driven by ultrasonic motor
11/07/2012CN202520492U Wave energy collection boat
11/07/2012CN102770872A Method and system for optimizing operation of a pump
11/07/2012CN102770667A Apparatus and method for controlling operation of a pump based on filter information in a filter information tag
11/07/2012CN102767511A Automatic double-liquid grouting pump
11/07/2012CN102767510A Control system for realizing intelligent start/stop of water pump of vehicle
11/07/2012CN102767509A Improved electronic pressure controller
11/07/2012CN102767508A Diaphragm type electromagnetic air pump
11/07/2012CN102192135B Piezoelectric stack pump provided with sensor
11/07/2012CN102061722B Double-pump automatic alternation water charging system of coal mine hydrostatic tank
11/07/2012CN101922432B Ship and outdoor type energy-saving air compressor
11/07/2012CN101663486B Hydraulic unit, and construction machine having the unit
11/07/2012CN101641165B High-pressure cleaning device
11/06/2012US8303265 Hydraulic pump
11/06/2012US8303264 Device for adjusting the flow rate of a mobile oil-injected screw-type compressor
11/06/2012US8303260 Method and apparatus for pump protection without the use of traditional sensors
11/01/2012WO2012147476A1 Liquid feed pump and flow rate control device
11/01/2012WO2012146663A1 Controller for controlling a frequency inverter and control method
11/01/2012WO2011053121A8 Milk pump device and method for displacing an amount of milk
11/01/2012US20120275934 Fan array fan section in air-handling systems
11/01/2012US20120275927 Water-leak Damage Prevention System Utilizing A Unitized Tank Collection Flange Reservoir System
11/01/2012US20120273056 Barrier composition
11/01/2012US20120272886 Self load sensing circuit board controller diaphragm pump
10/2012
10/31/2012EP2518320A1 Control safety block for high pressure cleaning devices with switching device
10/31/2012EP2518319A1 Outdoor unit with at least three compressors for use with air conditioners
10/31/2012EP2516856A2 Methods of use for a positive displacement pump having an externally assisted valve
10/31/2012EP2516130A1 Injection molding system having a digital displacement pump
10/31/2012DE102011050018A1 Pumpen-System Pump system
10/31/2012DE102011050017A1 Steuermittel zum Ansteuern eines Frequenzumrichters sowie Ansteuerverfahren Control means for controlling a frequency inverter and driving
10/31/2012CN202511544U Cooling water pump energy-saving frequency conversion starting device of water-cooled refrigeration system
10/31/2012CN202510336U Water pump control valve system
10/31/2012CN202510335U Novel chemical pump
10/31/2012CN202510334U Intelligent parameter-adjustment and servo control device of pump
10/31/2012CN202510333U Linkage device of water pump and water pump water outlet valve
10/31/2012CN202510332U System for opening/closing paracetamol mother liquor pump in different place
10/31/2012CN202510331U Automatic drainage system of transformer substation
10/31/2012CN202510330U Pressure oil pump control system
10/31/2012CN202510329U Scavenging pump control system
10/31/2012CN202510328U Transistor-based electronic air pressure switch for air compressor
10/31/2012CN202510327U Magnetic water level control water pump
10/31/2012CN202510302U Hydraulic control high-pressure variable plunger pump
10/31/2012CN102762865A Operational control device for a positive-displacement pump, pump system and method for operating the like
10/31/2012CN102762864A Dosing pump unit
10/31/2012CN102762863A Safety device for a peristaltic pump
10/31/2012CN102762860A Dosing pump unit and method for controlling a dosing pump unit
10/31/2012CN102758769A Direct-coupled double-acting stroke adjusting device used in reciprocating metering pump
10/31/2012CN102758768A Water pump outlet pneumatic butterfly valve system
10/31/2012CN102758767A Oil circuit control system of saddle-shaped diesel oil tank
10/31/2012CN102758766A Float switch
10/31/2012CN102758765A Frequency-conversion electronic pressure control device
10/31/2012CN102758764A Electronic flow controller
10/31/2012CN102758763A Electronic pressure controller with compact structure
10/31/2012CN102758762A Novel electronic pressure controller
10/31/2012CN101139980B Control method and device of rotorcraft air conditioning system and the rotorcraft
10/30/2012US8297943 Pump control using overpressure source
10/30/2012US8297942 Regulatable coolant pump
10/30/2012US8297941 Fuel pump
10/30/2012US8297939 Method of pumping agglomerative liquid and method of producing recording medium
10/30/2012US8297938 System and method of controlling a linear compressor
10/30/2012US8297937 Pump control apparatus, system and method
10/30/2012US8297936 Compensating temperature-induced errors during piston movement
10/30/2012US8297369 Fire-extinguishing system with servo motor-driven foam pump
10/30/2012US8297311 Controlling gas partial pressures for process optimization
10/26/2012WO2012094389A3 Variable stroke control structure for high pressure fuel pump
10/25/2012US20120269655 Compact Peristaltic Medical Pump
10/25/2012US20120269652 Control method of fan rotation speed
10/25/2012US20120269651 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange
10/24/2012EP2513490A1 Method for operating a hydraulic working machine
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