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)
12/2013
12/19/2013US20130336810 Air compressor prognostic system
12/19/2013US20130336804 Time-based multi-mode pump control
12/19/2013US20130336803 Control arrangement for controlling a piston pump unit for liquid chromatography
12/18/2013EP2674694A1 Heat pump device, heat pump system, and control method for three-phase inverter
12/18/2013EP2674583A1 Oil supply apparatus for engine provided with two-stage relief valve
12/18/2013EP2673508A2 Method and device for controlling and/or regulating a fluid conveyer for conveying a fluid within a fluid line
12/18/2013EP1979614B1 Operating method for a hydraulic machine
12/18/2013CN203348058U Unloading control device of air compressor system of hydraulic drill wagon
12/18/2013CN203348057U High temperature controller
12/18/2013CN203348056U Improved device of overpressure protection system of high-pressure coal slurry pump
12/18/2013CN203348055U Air compressor frequency conversion control system of
12/18/2013CN203348054U Air compressor for power
12/18/2013CN203348053U Spray water pump control device and spray water pump control system
12/18/2013CN203348052U Air compressor control system capable of uninterruptedly compressing air
12/18/2013CN203348051U Energy-saving control system
12/18/2013CN203348050U Fire pump control system and fire pump controller
12/18/2013CN203348047U Liquid sucking and discharging device
12/18/2013CN203348041U Box cavity vacuumizing device and box aligning device
12/18/2013CN203348040U Power station steam-driven air compressor system
12/18/2013CN203348024U Numerical control liquid filling system
12/18/2013CN203346333U Coke quenching water pump control device
12/18/2013CN203343805U Hydrostatic bearing oil film thickness control system
12/18/2013CN103459848A Hydraulic drive circuit with parallel architectured accumulator
12/18/2013CN103452827A Anti-dehydration protective device for water-cooled air compressors
12/18/2013CN103452826A Mortar pump and device and method for controlling same
12/18/2013CN103452825A Flow control method for pressure control pump
12/18/2013CN103452824A Fan and water pump energy saving system adopting minimum power algorithm based on flow-power curve
12/18/2013CN103452823A Method and system of regulation and control of water pump of electric vehicle
12/18/2013CN103452813A Control valve for variable displacement compressor
12/18/2013CN103452476A A rock drilling rig and method of driving compressor
12/18/2013CN102230466B System and method for optimally controlling air compressor load
12/18/2013CN102036867B Pressure generator of hydraulic vehicle brake system and operating method for this
12/18/2013CN101796405B Cavitation detection
12/17/2013US8608460 Method and apparatus for increasing compressed air efficiency in a pump
12/17/2013US8608456 High pressure pump
12/17/2013US8608452 Variable coolant pump
12/17/2013US8608451 Liquid ring vacuum pump for degassing molten plastic
12/17/2013US8608450 Compressed air manufacturing facility
12/17/2013CA2686773C Positive displacement pump comprising an externally assisted valve
12/12/2013WO2013184979A1 Variable fluid flow techniques for machine fluid systems
12/12/2013US20130331823 Negative pressure wound therapy apparatus
12/12/2013US20130330208 Medical fluid cassettes and related systems and methods
12/12/2013US20130330206 Integrated fuel pump and control
12/12/2013US20130330205 Variable fluid flow techniques for machine fluid systems
12/11/2013CN203339668U Automatic protection circuit for cold-storage-used compressor motor
12/11/2013CN203335370U Open type cooling water pump
12/11/2013CN203335369U Container type skid-mounted plunger pump device
12/11/2013CN203335368U Pumping unit washing device
12/11/2013CN203335367U Protection system for high-pressure pump
12/11/2013CN203335366U Constant frequency conversion water pump controller
12/11/2013CN203335365U Air compressor electronic control system
12/11/2013CN203335364U Protection system of reversing proximity switch of pumping equipment
12/11/2013CN203335363U Automatic control system of mine pump room
12/11/2013CN203335362U Pipeline connecting structure of refrigerating vacuum pump
12/11/2013CN203335361U Air compressor energy-saving control device with motor power regulation function
12/11/2013CN103437989A High-pressure fluid mixing pump control system and fluid pumping control method
12/11/2013CN103437988A 空气压缩机控制系统 Air compressor control system
12/11/2013CN103437987A Variable frequency pumping system control method with self-adapting energy efficiency
12/11/2013CN103437986A Gas path-electric air compressor integrated control system and control method
12/11/2013CN103437985A Method for controlling rapid stream capture of electrical water supply pump
12/11/2013CN103437982A Wind-power-valley-powered pneumatic airbag energy storage and circulation type water pumping system
12/11/2013CN103437980A Bladeless blower
12/11/2013CN103437926A Protection method of fuel pump
12/11/2013CN102418392B Multilayer solar curtain wall structure
12/10/2013USRE44636 Compressor capacity modulation
12/10/2013US8605449 Electronic control unit
12/10/2013US8602754 System for monitoring an electrical submersible pump
12/10/2013US8602748 Pumping system
12/10/2013US8602747 Ventilation device and electrical equipment in which same is installed
12/10/2013US8602746 Electrical system for a pump
12/10/2013US8602745 Anti-entrapment and anti-dead head function
12/10/2013US8602744 Condensate pump
12/10/2013US8602743 Method of operating a safety vacuum release system
12/10/2013US8602742 Method and apparatus for regulating a charge air pressure of an internal combustion engine of a vehicle
12/05/2013WO2013178762A1 Safety device for a compressor of a coolant fluid circuit
12/05/2013US20130323091 Hydraulic System and Pressure Limiting Valve
12/05/2013US20130323088 Compressed Air Maintenance Unit and Consumer Control Device Equipped with the Same
12/05/2013US20130323084 Control Device And Pump Apparatus
12/05/2013DE102012104715A1 Actuator device for hydraulic pumps and/or hydraulic motor device mounted in e.g. vehicle engine, has mechanical guide device that includes guide element which is arranged partially in non-magnetic region
12/05/2013DE102012016780A1 Method for operating rotation speed-variable flow pump that is utilized in e.g. machine tool, involves driving conveyor by drive rotating at rotating speed, and providing large and small volumes during full load- and partial load operations
12/05/2013DE102012010616A1 Pumpe sowie deren Verwendung Pump and the use thereof
12/04/2013EP2669519A1 Control system and method for reciprocating compressors
12/04/2013EP2669515A1 Pump and its use
12/04/2013EP2668400A1 Device and system for monitoring a pneumatically-actuated alternating linear displacement pump
12/04/2013CN203324837U Frequency-conversion speed-regulation control device of circulating cooling water system of chemical plant
12/04/2013CN203321809U Vacuum pump device for preparing cosmetics
12/04/2013CN203321798U Self-checking device for running of water pump
12/04/2013CN203321795U Integrated pressure regulating valve of air compressor
12/04/2013CN203321794U Minimum-flow extra-high pressure reciprocating self-control pump
12/04/2013CN203321788U Composite screw-type and piston-type medium-high pressure air compressor
12/04/2013CN203321770U Intelligent solar photovoltaic DC (direct current) water pump system
12/04/2013CN203321769U Continuous release downhole piston pump
12/04/2013CN203321767U Adjustable metering pump
12/04/2013CN103423144A Accident prevention safety structure
12/04/2013CN103423143A Patrol control device of large-scale sewage pump set of municipal drainage pipeline network
12/04/2013CN103423142A Control circuit and detection circuit of electromagnetic quantitative oil feed pump
12/04/2013CN103423141A Method and apparatus for controlling a hydraulic pump for a multimode transmission of a powertrain system
12/04/2013CN103423140A Method and device for preventing suck-back of vacuum system
12/04/2013CN103423139A Pumping mechanism, control method of pumping mechanism, and concrete pumping unit
12/04/2013CN103423138A Energy-saving intelligent control device of air compressor
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