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)
10/2012
10/03/2012CN202468255U Controller for direct-current frequency-conversion compressor
10/03/2012CN202468254U Multi-functional electric compressor speed regulating controller of electric vehicle
10/03/2012CN202468253U Interlocking device for controlling starting of hydraulic pump automatically
10/03/2012CN202468252U Automatic water fetching system for wastewater pond
10/03/2012CN202468251U Electric control pressure adjusting mechanism of high-pressure piston pump
10/03/2012CN202468250U Automatic adjustment pneumatic gas pump
10/03/2012CN202468249U Temperature control type water pump
10/03/2012CN202468248U Brake for water pump of fire truck
10/03/2012CN202468239U Closed-loop piezoelectric film pump
10/03/2012CN202468232U Electric balloon pump
10/03/2012CN202468224U Energy-saving vacuum pump system
10/03/2012CN202468200U Continuous pulp-pressing pump
10/03/2012CN202468199U Dual-pump variable-frequency submersible pump
10/03/2012CN202468194U Metering pump of solid eccentric sheave stroke adjusting mechanism
10/03/2012CN202461145U Device for controlling flow of wiredrawing liquid of enameled wire
10/03/2012CN102713293A Number-of-compressors controlling system
10/03/2012CN102713292A Device for monitoring sample-collection using a piston pump
10/03/2012CN102713286A Displacement detection device for variable displacement compressor, and variable capacity compressor equipped with same
10/03/2012CN102705217A Large-diameter orange peel type multi-functional control valve of water pump
10/03/2012CN102705216A Switching method and equipment for high-pressure water supply pumps
10/03/2012CN102705215A Method and device for realizing control over air compressor
10/03/2012CN102705214A Control system for fire pump
10/03/2012CN102705213A System and method for correcting for pressure variations using a motor
10/03/2012CN102705212A Method for starting variable frequency compressor
10/03/2012CN102705211A Small discharge capacity and small pressure control loop of variable pump and control method thereof
10/03/2012CN102705210A Method and device for controlling pressure of novel air compressor
10/03/2012CN102705209A System and method for pressure compensation in a pump
10/03/2012CN102705201A Cooling device for air-cooling air compressor
10/03/2012CN102698974A High-pressure cleaning machine
10/02/2012US8277202 Multicylindrical rotary compressor
10/02/2012US8277199 Apparatus and method for controlling operation of linear compressor
10/02/2012US8277198 Fan motor control systems
10/02/2012US8277196 Adaptive accuracy for enteral feeding pump
10/02/2012CA2672459C Speed control
10/02/2012CA2480467C Implantable heart assist system
09/2012
09/27/2012WO2012127377A1 Device for detecting and measuring the rotation of a peristaltic cassette
09/27/2012US20120244019 Check Valve
09/27/2012US20120244016 Milk pump device and method for displacing an amountof milk
09/27/2012US20120244015 Systems and methods for implementing a fan array with quick connect and modular control
09/27/2012US20120244012 Apparatus for Controlling Electric Oil Pump
09/27/2012US20120240908 Secondary air system with variable speed air pump and multi-position gated check valve
09/27/2012DE102012204533A1 Vorrichtung und Verfahren zum Steuern einer elektrischen Ölpumpe Apparatus and method for controlling an electric oil pump
09/27/2012DE102011006176A1 Verfahren zum Betrieb einer Dosierpumpe und zugehörige Dosiervorrichtung Method for operating a metering pump and associated metering device
09/26/2012EP2503150A1 Device for detecting and measuring the rotation of a peristaltic cassette
09/26/2012EP2503149A2 Linear compressor
09/26/2012CN202451411U Constant pressure frequency conversion controller of single phase water pump
09/26/2012CN202451410U Automatic control system for test on hydraulic fixed displacement pump/motor
09/26/2012CN202451409U Structure of power-saving system of air compressor
09/26/2012CN202451405U Peristaltic pump with anti-inversion function
09/26/2012CN202451385U Hand wheel control high pressure variable plunger pump
09/26/2012CN202451384U Hydraulic internal and external double-control high-pressure variable piston pump
09/26/2012CN102695871A Method for determining the displacement of a radial piston machine
09/26/2012CN102692931A Monitoring system and monitoring method for liquid level of fire-fighting high-altitude water tank for tunnel
09/26/2012CN102691650A Apparatus and method for controlling electric oil pump
09/26/2012CN102691649A Apparatus for controlling electric oil pump
09/26/2012CN102691645A Auxiliary medical air compressor system
09/26/2012CN102691639A Digital display air pump and method for accurately obtaining air pressure of inflated device
09/26/2012CN101002010B Load control device for engine of work vehicle
09/25/2012US8272849 Process for sizing a throat length of a jet pump
09/25/2012US8272846 Integral slide valve relief valve
09/25/2012US8272845 Systems and methods for asymmetrical pumping in low speed, low volume fluid recovery operations
09/25/2012US8272835 Clearance arrangement
09/20/2012WO2012122977A1 Piston-cylinder unit for a piston pump, in particular for high performance liquid chromatography
09/20/2012WO2011160738A8 Device, method, and system for compressed air control and compressed air supply
09/20/2012US20120237366 Method and System for Prioritizing Vehicle Vacuum
09/20/2012US20120237363 Method And System For Cleaning A Fan Inlet
09/20/2012US20120237362 Liquid pressure circuit
09/20/2012US20120237361 Air conditioning compressor over-torque protector
09/20/2012US20120237360 Electric Vacuum Pump Backup Control System and Method
09/20/2012US20120234413 System and method for controlling a fuel supply associated with a turbomachine
09/20/2012DE102012202412A1 Elektrischer Kompressor The electric compressor
09/19/2012EP2500571A1 Rotary vane compressor
09/19/2012EP2499370A1 Device for monitoring sample-collection using a piston pump
09/19/2012EP2499366A1 Air conditioning compressor for a vehicle and vehicle
09/19/2012CN202441573U Dry-running prevention device for threaded rod grouting pump
09/19/2012CN202441572U Screw grouting pump for coal mine
09/19/2012CN202441571U Equal pressure ratio control apparatus for charging and discharging pressure of compressor
09/19/2012CN202441570U Control device for liquid filling pump and engineering vehicle using same device
09/19/2012CN202441569U Special apparatus for electrical informatization and automatic control in pumping station
09/19/2012CN202441568U Energy-efficient submerged motor pump, which prevents motor from burning under overload, open-phase and water shortage conditions
09/19/2012CN102686882A Pump for a high-pressure cleaning device
09/19/2012CN102678531A Air conditioning compressor over-torque protector
09/19/2012CN102678530A Systems and methods of controlling pressure maintenance pumps and data logging pump operations
09/19/2012CN102678524A Auxiliary energy-saving medical compressed air system
09/19/2012CN102678523A Compound medical compressed air system
09/19/2012CN102678517A Constant-pressure inflator
09/19/2012CN102678505A Automatic well pump
09/19/2012CN102678504A Pump system and method for operating the same
09/19/2012CN102671572A Piezoelectrically actuated micro-mixer, manufacturing method and control method of piezoelectrically actuated micro-mixer
09/19/2012CN102137974B Machine control system having hydraulic warmup procedure
09/19/2012CN101646335B A method for creating a required vacuum level in a milking system
09/18/2012US8267671 Variable displacement pump
09/18/2012US8267668 Fuel pump motor using carbon commutator having reduced filming
09/18/2012US8267666 Air flow control apparatus
09/18/2012US8266903 Engine lag down suppressing device of construction machinery
09/13/2012WO2012122362A2 System and method for providing recommendations with a location-based service
09/13/2012WO2012121680A2 Pump control device with multiple sensors microprocessor controllers
09/13/2012WO2012121383A1 Power supply device for vacuum pump
09/13/2012US20120230846 Systems and Methods of Controlling Pressure Maintenance Pumps and Data Logging Pump Operations
09/13/2012US20120230845 Drug delivery pump drive using a shaped memory alloy wire
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