| 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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| 07/24/2013 | EP2617985A1 Hydraulic transmission system with multiple cylinders |
| 07/24/2013 | EP2616690A1 Ultra high pressure pump |
| 07/24/2013 | CN203081721U Water pump energy-saving system |
| 07/24/2013 | CN203081720U Intelligent submersible pump for mining |
| 07/24/2013 | CN203081719U Intelligent-control submersible pump for mining |
| 07/24/2013 | CN203081718U Remote control device for deep well pump |
| 07/24/2013 | CN203081706U Inner cooled hydraulic compressor |
| 07/24/2013 | CN203081690U Self-energizing gas compressor |
| 07/24/2013 | CN203081676U Direct current metering pump |
| 07/24/2013 | CN1759248B 空气压缩机单元及其控制方法 Air compressor unit and its control method |
| 07/24/2013 | CN103216435A Cast explosion-proof compressor special for emergency refuge refrigerator of mine and manufacturing and fixing method for cast explosion-proof compressor |
| 07/24/2013 | CN103216434A Pressure conduction type pump body control device |
| 07/24/2013 | CN103216428A Oil well sleeve gas collection pump |
| 07/24/2013 | CN101855435B Process for electro-hydraulic circuits and systmes involving excavator boom-swing power management |
| 07/24/2013 | CN101772644B Method and apparatus for resisting disabling fouling of compressors in multistage compression systems |
| 07/24/2013 | CN101451524B Dual volume pump |
| 07/24/2013 | CN101033744B Method and apparatus for pump protection without the use of traditional sensors |
| 07/23/2013 | US8491274 System for operating an air conditioning compressor from alternative sources |
| 07/23/2013 | CA2576766C Engine-powered air compressor |
| 07/23/2013 | CA2569149C Suitcase style air compressor assembly |
| 07/18/2013 | WO2013106810A1 Compressor for pressurized fluid output |
| 07/18/2013 | WO2013106660A1 System and method for compressor motor protection |
| 07/18/2013 | WO2013106115A2 Dead-volume management in compressed-gas energy storage and recovery systems |
| 07/18/2013 | WO2012163618A3 Compressor unit |
| 07/17/2013 | EP2615306A1 Water supply pump control device |
| 07/17/2013 | EP2615213A2 Engine control system for preventing the automatic stop of the engine of a construction machine in case of low outside temperature |
| 07/17/2013 | CN203067268U Integrated control water pump valve |
| 07/17/2013 | CN203067258U Multifunctional waterless protector for garden pump |
| 07/17/2013 | CN203067257U Glue pump |
| 07/17/2013 | CN203067256U Device used for detecting and wirelessly transmitting water level conditions of photovoltaic pump and load conditions of motor |
| 07/17/2013 | CN203067255U Remote control pump system |
| 07/17/2013 | CN203067254U Compressor control system of Internet of Things |
| 07/17/2013 | CN203067253U Water circulation power system and water pump control device |
| 07/17/2013 | CN203067252U Underground coal mine water injection pump intelligent control system based on programmable logic controller (PLC) |
| 07/17/2013 | CN203067251U Direct-current oil pump control circuit |
| 07/17/2013 | CN203067250U Cooling water automatic starting device |
| 07/17/2013 | CN203067249U Pump system with remote control function |
| 07/17/2013 | CN203067248U Pressure-regulating device for air compressor |
| 07/17/2013 | CN203067247U Air channel control system integration module of compressor |
| 07/17/2013 | CN203067235U Vacuumizing device for testing keycap drawing force |
| 07/17/2013 | CN203067216U Muffler of air supply system for compressor assembly and device controlling noise thereof |
| 07/17/2013 | CN203061526U Water conveying pump control device for machine tool water gun |
| 07/17/2013 | CN103206366A Control system of high-pressure variable-frequency air compressor |
| 07/17/2013 | CN103206365A Fire control system with power supply conversion and inspection functions |
| 07/17/2013 | CN103206364A System and method for single-model water pump energy-saving operation dispatching |
| 07/17/2013 | CN103206360A Inner cooled hydraulic compressor |
| 07/17/2013 | CN103205993A Water filling method for long-distance water delivering pipe |
| 07/17/2013 | CN102200121B Electricity-saving control system leading water pump to run at optimum revolution |
| 07/17/2013 | CN102094783B Electric double-liquid chemical grouting pump |
| 07/17/2013 | CN101994687B Gate valve drive device of vacuum device |
| 07/17/2013 | CN101356373B System for position control of a mechanical piston in a pump |
| 07/17/2013 | CN101275571B Submersible pumping system |
| 07/16/2013 | US8485792 Method for increasing compressed air efficiency in a pump |
| 07/16/2013 | US8485790 Fuel supply unit for a motor vehicle |
| 07/16/2013 | US8485789 Capacity modulated scroll compressor system and method |
| 07/16/2013 | US8485222 Systems and methods for preventing oil migration |
| 07/11/2013 | WO2013103133A1 Device for controlling construction machinery |
| 07/11/2013 | WO2013102236A1 A manually operated medical pump |
| 07/11/2013 | US20130177451 Washer system and pump for same |
| 07/11/2013 | US20130174925 Neutral setting device for an adjustable hydraulic machine |
| 07/11/2013 | DE112011102529T5 Pumpe für Flüssigchromatographen und Flüssigchromatograph Pump for liquid chromatographs and liquid chromatograph |
| 07/10/2013 | EP2612436A1 Improved method to save energy for devices with rotating or reciprocating masses |
| 07/10/2013 | EP2612032A2 Arrangement for throttling a fluid flow, and corresponding piston pump for delivering fluids |
| 07/10/2013 | CN203051074U Low water level protection alarming device for make-up pump |
| 07/10/2013 | CN203051073U Electrical control device for grouting pump |
| 07/10/2013 | CN203051072U Water pump control circuit and water pump control system |
| 07/10/2013 | CN203051071U Temperature control system of air compressor |
| 07/10/2013 | CN203051070U Controller capable of automatically starting up and shutting down water pump by isolating pipe pressure |
| 07/10/2013 | CN203051069U Water pump controller |
| 07/10/2013 | CN203051068U Controlling device of pneumatic diaphragm pump |
| 07/10/2013 | CN203051024U Flow-adjusting injection pump |
| 07/10/2013 | CN103195698A Energy-saving control method for synchronous variable-speed regulation of water pumps in water-level-variable water intake pump station |
| 07/10/2013 | CN103195697A pressure-regulating variable-frequency pump |
| 07/10/2013 | CN103195696A Engineering machine, concrete pumping system and control device and method thereof |
| 07/10/2013 | CN103195682A Double-module extra-high-pressure nano homogenizer |
| 07/10/2013 | CN102242705B Electromagnetic pump cooling system and control method thereof |
| 07/10/2013 | CN101563541B System and method for operation of a pump |
| 07/10/2013 | CN101558242B Method and system for controlling machine power |
| 07/10/2013 | CN101523051B Fluid system with pump activation device |
| 07/09/2013 | US8480378 Method and device for controlling a hydraulic drive system |
| 07/09/2013 | US8480376 Device, computer program product and computer-implemented method for backspin detection in an electrical submersible pump assembly |
| 07/09/2013 | US8480375 Auto-stop air pump |
| 07/09/2013 | US8480374 Method and auto-control system on improving pumping system performance |
| 07/09/2013 | US8480373 Filter loading |
| 07/09/2013 | US8479502 Increased power in compressed-gas energy storage and recovery |
| 07/04/2013 | WO2013101614A1 System and method for controlling pressure ratio of a compressor |
| 07/04/2013 | US20130171008 Electric pump system |
| 07/04/2013 | US20130168179 System and method for controlling transmission based on variable pressure limit |
| 07/04/2013 | US20130167957 Hydraulic piston pump with a variable displacement throttle mechanism |
| 07/04/2013 | US20130167941 Damping device and method |
| 07/04/2013 | US20130167697 Ultra high pressure pump |
| 07/04/2013 | DE102011057120A1 Safety valve cover for covering fluid outlet aperture of safety valve used in e.g. air compressor of motor car, has connecting portion that is provided for fastening safety valve cover on housing of fluid conveying device |
| 07/03/2013 | EP2610492A1 Motor control unit and electric pump unit |
| 07/03/2013 | EP2610490A2 Hydraulic drive for a pressure tranducer |
| 07/03/2013 | EP2609333A1 Valve arrangement, connection plate for a hydrostatic piston machine, and hydrostatic piston machine |
| 07/03/2013 | CN203036618U Boiler cooling system with stepped revolving speed circulating pump adopted |
| 07/03/2013 | CN203035524U Alarm device of valve blocking failure of membrane pump check valve |
| 07/03/2013 | CN203035523U Pouring-type anti-explosion compressor special for mine urgent danger prevention refrigerator |
| 07/03/2013 | CN203035522U Alarm device of valve rubber wear failure of membrane pump check valve |
| 07/03/2013 | CN203035521U A simple thermal protector installing structure for an automotive air conditioning compressor |