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