| 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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| 08/14/2013 | CN203130456U Water pump inductive floating ball |
| 08/14/2013 | CN203130455U Automatic controller for submersible pump |
| 08/14/2013 | CN203130454U Air volume stepless regulation mechanism of reciprocating piston compressor |
| 08/14/2013 | CN203130453U Adjustment hydraulic actuator of air capacity of compressor |
| 08/14/2013 | CN203130452U Intelligent linear motor oil extraction system |
| 08/14/2013 | CN203130439U Humidifying device |
| 08/14/2013 | CN203130438U Humidifying device |
| 08/14/2013 | CN203130437U Humidifying device |
| 08/14/2013 | CN203130436U Humidifying device |
| 08/14/2013 | CN203130414U Medium/high-speed reciprocating type compressor set |
| 08/14/2013 | CN203130410U Automatic pressure-controlled electric air charging device for sports balls |
| 08/14/2013 | CN203124320U Automatic water supply control system of wafer cleaning machine |
| 08/14/2013 | CN1821577B 压缩机诊断系统 Compressor diagnostic system |
| 08/14/2013 | CN103249950A Hybrid hydraulic systems for industrial processes |
| 08/14/2013 | CN103244399A Stepless gas-volume adjusting method and device for large-scale reciprocating compressor |
| 08/14/2013 | CN103244398A Method for handling faults of long-distance pipeline coal transporting pump station |
| 08/14/2013 | CN103244397A Optimal operation control method for variable-frequency circulating water pump |
| 08/14/2013 | CN103244396A Determining and operating control method for full-flow efficient parallel secondary water supply pump unit |
| 08/14/2013 | CN103244390A Metering pump |
| 08/14/2013 | CN103243778A Double constant pressure branch pipe supercharger and control method |
| 08/14/2013 | CN102330665B Concrete pumping equipment and control method and device thereof |
| 08/14/2013 | CN101554986B Beverage dispensing apparatus and method |
| 08/14/2013 | CA2806950A1 Relay switch control and related methods |
| 08/08/2013 | WO2013114436A1 Method of controlling a hydraulic machine to reduce torque ripple and/or bearing side load |
| 08/08/2013 | WO2013113066A1 Pump efficiency determining system and related method for determining pump efficiency |
| 08/08/2013 | US20130202454 Dosing pump unit and method for controlling a dosing pump unit |
| 08/08/2013 | DE102012001954A1 Ventilbaugruppe mit Vorsteuerpumpe Valve assembly with pilot pump |
| 08/07/2013 | EP2623783A1 Electric compressor |
| 08/07/2013 | EP2623782A2 Metering and pumping devices |
| 08/07/2013 | EP2623779A2 Piston controller, wind turbine generator, and piston control method |
| 08/07/2013 | CN203114602U Sewage rising control alarm |
| 08/07/2013 | CN203114601U High and low water level automatic control device of deep well submersible pump |
| 08/07/2013 | CN203114600U Protection device for air compressors |
| 08/07/2013 | CN203114599U Car air compressor control system assembly |
| 08/07/2013 | CN203114598U Water pump remote monitoring system |
| 08/07/2013 | CN203114597U Oil level controller of compressor |
| 08/07/2013 | CN203114596U Air pump of power-driven balloon |
| 08/07/2013 | CN203114595U Mechanical vacuum generator |
| 08/07/2013 | CN203114594U Manual hydraulic pump |
| 08/07/2013 | CN203114561U Natural gas compressor unit protection device |
| 08/07/2013 | CN203114552U Diesel engine fire pump set linkage system |
| 08/07/2013 | CN203114547U Valve control axial plunger pump |
| 08/07/2013 | CN103233888A Multi-pump switching energy-saving control system under single frequency conversion control |
| 08/07/2013 | CN103233887A Self-control water pump with flow induction detection function |
| 08/07/2013 | CN103233886A Lead screw driving plunger pump |
| 08/07/2013 | CN103233885A Differential pressure and pressure combined control method and system for fluid delivery system of reversible fluid pump |
| 08/07/2013 | CN103233884A Stepless adjustment method of reciprocating compressor loads |
| 08/07/2013 | CN102102661B Marine water pump control device with wireless sensing function, and control method and adjustment method thereof |
| 08/07/2013 | CN102094800B Automatic empty adjustment system of air compressor |
| 08/07/2013 | CN101970813B Lubricant delivery system for internal combustion engines |
| 08/07/2013 | CN101725515B Air compressor energy-saving control method |
| 08/07/2013 | CN101644259B Regulating valve used for regulating delivery volume of reciprocating pump |
| 08/06/2013 | US8500420 Suction valve with unloader |
| 08/06/2013 | US8500414 Method of controlling a gear pump as well as an application of the method |
| 08/06/2013 | US8500413 Pumping system with power optimization |
| 08/06/2013 | US8500412 Alarm system for a sump pump assembly |
| 08/06/2013 | CA2762214C Pump and pump control circuit apparatus and method |
| 08/06/2013 | CA2528036C Method and apparatus for pressure control for maintaining viability of organs |
| 08/01/2013 | WO2012104169A3 Assembly for controlling an electric vacuum pump |
| 08/01/2013 | US20130195702 Double-action sucker-rod well pump |
| 08/01/2013 | US20130195681 Method for obtaining a full range of lift speeds using a single input |
| 08/01/2013 | US20130192294 Apparatus and method for controlling compressor, and refrigerator having the same |
| 07/31/2013 | EP2620721A2 Apparatus and method for controlling compressor, and refrigerator having the same |
| 07/31/2013 | EP2619458A2 Electric motor pump control incorporating pump element position information |
| 07/31/2013 | CN203104341U Self-locking circuit used for water pump of diatomite filter |
| 07/31/2013 | CN203099339U Constant flow control system for aircraft air source vehicle |
| 07/31/2013 | CN203098259U Electromagnetic conversion air valve |
| 07/31/2013 | CN203098250U Double-pump steel wire rope operating device |
| 07/31/2013 | CN203098242U Low-pressure preventing alarm device for air compressor |
| 07/31/2013 | CN203098241U Wireless remote-control water pumping device |
| 07/31/2013 | CN203098240U Energy-saving and efficient operation device for water pump of underground coal mine |
| 07/31/2013 | CN203098239U Protective device of heating pump |
| 07/31/2013 | CN203098238U Solar compressor controller |
| 07/31/2013 | CN203098237U Compressor controller used both under alternating voltage condition and under direct voltage condition |
| 07/31/2013 | CN203098236U Water pump remote control protective circuit of water resource controller |
| 07/31/2013 | CN203098235U Water pump or air compressor controller and corresponding water pump or air compressor |
| 07/31/2013 | CN203098234U Remote monitoring system of air compressor |
| 07/31/2013 | CN203098233U Air compressor remote control device |
| 07/31/2013 | CN203098232U Start and stop control circuit for frequency converter cooling water pump |
| 07/31/2013 | CN203098231U Concentrated acid pump |
| 07/31/2013 | CN203098230U Novel air compressor |
| 07/31/2013 | CN203098179U Photovoltaic pump capable of boosting charge in water pumping-up process |
| 07/31/2013 | CN203098176U Novel metering pump |
| 07/31/2013 | CN103225603A Wireless measurement and control method and wireless measurement and control system |
| 07/31/2013 | CN103225602A Apparatus and method for controlling compressor, and refrigerator having the same |
| 07/31/2013 | CN103225601A Apparatus for controlling compressor and refrigerator having the same |
| 07/31/2013 | CN103225600A Apparatus for controlling compressor and refrigerator having the same |
| 07/30/2013 | US8496454 Unloader system and method for a compressor |
| 07/30/2013 | US8496445 Control system and method for pump output pressure control |
| 07/30/2013 | US8495871 Hydraulic system |
| 07/25/2013 | WO2013109473A1 Relief valve assembly and components thereof |
| 07/25/2013 | WO2013109005A1 Electronic control valve for variable capacity compressor |
| 07/25/2013 | WO2013108968A1 Variable displacement axial axle piston pump having easy to maintain and repair built-in adjuster |
| 07/25/2013 | WO2013045148A3 Method for operating an electronically commutated electric motor |
| 07/25/2013 | US20130189122 Device and system for monitoring a pneumatically actuated alternating linear displacement pump |
| 07/25/2013 | US20130189119 System for controlling a resonant linear compressor piston, method for controlling a resonant linear compressor piston, and resonant linear compressor |
| 07/25/2013 | US20130189118 Torque allocating system for a variable displacement hydraulic system |
| 07/25/2013 | DE102012001369A1 Verstellbare Hydropumpe Adjustable hydraulic pump |
| 07/24/2013 | EP2617999A1 Method for controlling driving of work machine |
| 07/24/2013 | EP2617998A2 Fault tolerant electric drive system |