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)
04/2014
04/30/2014CN203570556U Water level switch based on reed switch and water pump applying same
04/30/2014CN203570555U Mortar pump and control system thereof
04/30/2014CN203570554U Vacuumizing device for refrigerator
04/30/2014CN203570544U Small-sized flow-stabilizing liquid pump
04/30/2014CN103765019A Hydraulic drive device for construction machine
04/30/2014CN103765011A System and method for controlling a variable speed drive of a compressor motor
04/30/2014CN103758741A Metering pump crankshaft mechanism capable of allowing stroke to be freely adjusted
04/30/2014CN103758740A Pump cavitation control device
04/30/2014CN103758728A Air compressor
04/30/2014CN103758684A Hydrostatic-drive type wave-energy power generation device
04/30/2014CN103758683A Balance stable mechanism of vibrating float-typed wave power generating device
04/30/2014CN102425539B Stroke adjusting device for metering pump
04/30/2014CN102200123B Compressor capacity modulation system and method
04/30/2014CN102094802B Pump truck and pump truck monitoring method
04/30/2014CN101749220B Torsional mode damping apparatus
04/29/2014US8708665 Membrane pump operating in both audible and inaudible frequency regions
04/29/2014US8708664 System to measure vibrations using fiber optic sensors
04/29/2014US8708663 Fugitive gas capture
04/29/2014US8708662 Linear compressor
04/29/2014US8708661 Compressor with oil level controller
04/24/2014WO2014061741A1 Work machine
04/24/2014WO2014061507A1 Hydraulic drive device for construction machinery
04/24/2014WO2014059480A1 Vehicle for line marking
04/24/2014US20140112812 Fluid pump
04/24/2014US20140109566 Methods and devices for optimizing heat transfer within a compression and/or expansion device
04/24/2014US20140109544 High Pressure Relief Valve Closure
04/23/2014EP2721297A1 Piston compressor
04/23/2014CN203560083U Unloading type safety valve for high pressure reciprocation pump
04/23/2014CN203560075U Stepless pressure regulating air compressor
04/23/2014CN203560074U Spray pump used for auxiliary engine water cooler
04/23/2014CN203560073U Intelligent drainage control system
04/23/2014CN203560072U Controller for industrial sewage delivery pump
04/23/2014CN203560071U Control circuit for oxygenation pump of aquarium battery
04/23/2014CN203560070U Embedded type centralized controller for air compressors
04/23/2014CN203560069U Liquid level variable-frequency control pollution discharge device
04/23/2014CN203560068U Constant flow intelligent power-saving protection control system based on three water pumps
04/23/2014CN203560067U Constant flow intelligent power-saving protection control system based on double water pumps
04/23/2014CN203559928U Multi-level comprehensive drainage control device for mine
04/23/2014CN103748362A Air compressor
04/23/2014CN103748359A Piston compressor
04/23/2014CN103742397A Non-interfering switching system of feed pumps and non-interfering switching method
04/23/2014CN103742396A Method and device for automatically compensating compressor moment, compressor and compressor control method thereof
04/23/2014CN102168667B Compressor with variable running speed
04/17/2014US20140105768 Hydrostatic actuator and arrangement of a hydrostatic actuator in a motor vehicle
04/17/2014US20140105756 Fluid pump speed control
04/17/2014US20140102565 System and method for controlling a vacuum pump that is used to check for leaks in an evaporative emissions system
04/17/2014DE102013220187A1 Drehzahlsteuerung einer Fluidpumpe Speed ​​control of a fluid pump
04/17/2014DE102012218903A1 Hydraulische Ventilanordnung und hydraulische Maschinenanordnung mit einer derartigen Ventilanordnung A hydraulic valve assembly and hydraulic machine arrangement with such a valve assembly
04/16/2014EP2718568A2 Current control via speed control for driving screw compressor under cold conditions
04/16/2014CN203548178U Water supply system for hydraulic pump water tank
04/16/2014CN203548163U Power steering pump
04/16/2014CN203548162U Intelligent air compressor energy-saving system
04/16/2014CN203548161U Device for keeping control position of scoop tube of feed pump
04/16/2014CN203548160U Control device of dosing pump capable of being controlled manually and automatically
04/16/2014CN203548159U Multipurpose efficient air pressure liquid pump controller
04/16/2014CN203548158U Gas-electric control device of drilling pump cooling system
04/16/2014CN203548157U Automatic water pumping device for ground pit
04/16/2014CN203548156U Pressure stability self-control device of air compressor
04/16/2014CN203548155U Automatic input device of spare pump package
04/16/2014CN203548154U Remotely-controlled solar water pump device
04/16/2014CN203548153U Digitized intelligent color paste pump
04/16/2014CN203548152U Power supply control system for electric submersible pump
04/16/2014CN203548151U Intelligent submerged pump controller
04/16/2014CN203548150U Control device for regional photovoltaic water pump
04/16/2014CN203548149U Remote controller for water pump of motor-pumped well
04/16/2014CN203548148U GPRS-based water pump control device
04/16/2014CN203548147U Automatic control device for mining air driven pump
04/16/2014CN203548146U Miniature air pump containing automatic pressure relief device
04/16/2014CN203548145U Energy-saving noise reducer for motor vehicle air compressors
04/16/2014CN203548144U Local manual control apparatus in water pump automatic control system
04/16/2014CN203548143U Pressure stabilization and relief regulating device for diaphragm pump
04/16/2014CN203548130U Auxiliary air compressor device adopting air passage-integrated structure
04/16/2014CN203548109U Mechanical vacuum pump
04/16/2014CN203548108U Automobile tire deflation device
04/16/2014CN203548103U Balloon inflating device
04/16/2014CN203548097U Electric hydraulic pump
04/16/2014CN103727020A Zero-pressure starting device
04/16/2014CN103727019A Constant-current frequency conversion control system for brine pumps of freezing station
04/16/2014CN103727018A Protection and control device of oilless air compressor
04/16/2014CN103727017A Application of wireless communication technology in remote control over pressure test machine
04/16/2014CN103727016A Gas compressor
04/16/2014CN103727015A Magnetic drive pump safe operation monitoring system based on single chip microcomputer
04/16/2014CN103727012A Air compressor with linkage operation controlled
04/16/2014CN102124233B Engine lug-down suppressing device for hydraulic work machinery
04/16/2014CN101883925B Method for controlling electric compressor
04/15/2014US8696323 Method for determining the delivery rate of a liquid conveying device
04/15/2014US8696321 Cavitation detection
04/10/2014WO2014055524A1 Methods and systems to detect an operation condition of a compressor
04/10/2014US20140099212 Automatic oil splill detection system
04/09/2014EP2715136A2 Compressor unit
04/09/2014CN203537296U Novel energy-saving electrical cabinet
04/09/2014CN203536296U Water pump pressure switch
04/09/2014CN203532227U High-pressure pump for molecular sieve oxygen generator
04/09/2014CN203532226U Pressure monitor and alarm device of cooling water inlet pipe of air compressor
04/09/2014CN203532225U Pressure detection and flow detection apparatus of a water pump automatic controller with ball floating function
04/09/2014CN203532224U Automatic pressurization control structure for motor of water suction pump
04/09/2014CN203532223U Air compressor system for instrument air
04/09/2014CN203532222U Three-phase variable frequency pump controller
04/09/2014CN203532221U Mechanical hydraulic pressure induction type booster pump control device
04/09/2014CN203532220U Keying type oxygenation pump control system
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