| 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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| 02/01/2012 | CN102338069A Electric actuating artificial muscular pump and control method thereof |
| 02/01/2012 | CN102338068A Small flow pump driven by electric actuating artificial muscle actuator |
| 02/01/2012 | CN102338055A Solar photovoltaic water pump device |
| 02/01/2012 | CN102336186A Unloading system, automobile and method for air compressor |
| 02/01/2012 | CN101418788B 用于可变排量压缩机的排量控制阀 For a variable displacement compressor displacement control valve |
| 01/31/2012 | US8106615 Pump jack pump-off control method and pump jack control apparatus |
| 01/31/2012 | US8105279 Dispensing fluid from an infusion pump system |
| 01/31/2012 | US8105051 Vacuum pump |
| 01/31/2012 | US8105047 Electric home appliance having drain function and method of controlling the same |
| 01/31/2012 | US8104274 Increased power in compressed-gas energy storage and recovery |
| 01/26/2012 | WO2012012758A2 Pumping device, as for enteral feeding assembly |
| 01/26/2012 | WO2012011374A1 Vehicle air-conditioning device and method for determining operating state of variable capacity compressor in vehicle air-conditioning device |
| 01/26/2012 | WO2012010137A2 Hydraulic dual axial piston machine |
| 01/26/2012 | US20120022451 Pumping device, as for enteral feeding assembly |
| 01/26/2012 | US20120021371 Spray nozzle and dental cleaning system |
| 01/26/2012 | US20120020815 Compressor and oxygen condensing device |
| 01/26/2012 | US20120020814 Control valve for variable displacement compressor |
| 01/26/2012 | US20120020812 Pump Having an Electromagnetic Clutch System |
| 01/26/2012 | US20120020811 Fan Control |
| 01/26/2012 | US20120020809 Idle down control for a pressure washer |
| 01/26/2012 | US20120020808 Wireless Monitoring of Pump Jack Sucker Rod Loading and Position |
| 01/26/2012 | US20120020807 Method and system for noise control in hydraulic pumps |
| 01/26/2012 | US20120018150 Frequency sweeping tubewave sources for liquid filled boreholes |
| 01/26/2012 | DE112009001913T5 Steuersystem für einen Verdichter mit variabler Verdrängung A control system for a variable displacement compressor |
| 01/26/2012 | DE102010031818A1 Method for increasing delivery volume flow from e.g. valve controlled axial piston pump to hydraulic motor, involves providing piston unit in full mode and another piston unit in partial mode during operation mode |
| 01/26/2012 | DE102010031663A1 Fitting adaptor for high-pressure liquid chromatography application in high performance chromatography system to produce fluidic coupling between conduit and channel of fluidic apparatus, has side coupling end of feedthrough to conduit |
| 01/25/2012 | EP2409036A2 Induction motor torque control in a pumping system |
| 01/25/2012 | EP2409033A1 Control valve for a variable displacement pump |
| 01/25/2012 | CN202125422U Electric butterfly valve control device for vacuum pump inlet valve |
| 01/25/2012 | CN202125421U Pressurization control device for air compressor |
| 01/25/2012 | CN202125420U Intelligent liquid level control box |
| 01/25/2012 | CN202125419U Frequency conversion and electricity-saving device of air compressor |
| 01/25/2012 | CN102331473A Phase change actuating fluid delivery pump |
| 01/25/2012 | CN102330667A Plunger pump with self-controlled type cross total power control and variable power |
| 01/25/2012 | CN102330666A Vacuum system protective device, method and vacuum glass vacuum-pumping system |
| 01/25/2012 | CN102330665A Concrete pumping equipment and control method and device thereof |
| 01/25/2012 | CN101975158B Concrete pump truck and concrete piston lubricating system thereof |
| 01/25/2012 | CN101469692B Piezoelectric pump, cooling device, and electronic apparatus |
| 01/25/2012 | CN101418787B Rainwater pump control device and rainwater pump control method |
| 01/24/2012 | US8100668 Apparatus and method for controlling operation of a linear compressor using a detected inflection point |
| 01/24/2012 | US8100645 Axial flow impeller |
| 01/24/2012 | CA2554400C Variable displacement reciprocating pump |
| 01/24/2012 | CA2517040C Variable speed pumping system and method |
| 01/24/2012 | CA2508445C Method and system for monitoring a reciprocating compressor |
| 01/19/2012 | WO2012007114A2 Hydraulic assembly |
| 01/19/2012 | WO2012006701A1 A control method for a resonant linear compressor and an electronic control system for a resonant linear compressor applied to a cooling system |
| 01/19/2012 | WO2011120012A3 Air on demand breathing system using a dynamic transducer for controlling air |
| 01/19/2012 | US20120014815 Hybrid vehicle |
| 01/19/2012 | US20120014812 Compressor Surge Control System and Method |
| 01/19/2012 | US20120014811 Fan apparatus |
| 01/19/2012 | US20120011839 Auxiliary hydraulic power generation system |
| 01/19/2012 | DE102010027183A1 Hydroaggregat Hydraulic unit |
| 01/19/2012 | DE10058979B4 Strömungsmittelsystem mit Druckausgleich während der Regeneration Fluid system with pressure equalization during regeneration |
| 01/18/2012 | CN202120148U Novel temperature controller |
| 01/18/2012 | CN202117906U Water pump accessory integral connecting device with constant-pressure frequency conversion controller |
| 01/18/2012 | CN202117905U Water pump frequency-conversion control device with anti-freeze function |
| 01/18/2012 | CN202117904U Frequency conversion, energy conservation and speed regulation device for oil field water injection pump |
| 01/18/2012 | CN202117903U Real time monitoring system for central air conditioner room |
| 01/18/2012 | CN202117902U Electric automation monitoring and control system of pump station |
| 01/18/2012 | CN202117901U Easily installed machine-carried control box of membrane pump |
| 01/18/2012 | CN102326065A Device for detecting abnormality in construction machine |
| 01/18/2012 | CN102325996A Device for restricting throughflow quantity at pump, and pump arrangement having device of this type |
| 01/18/2012 | CN102322416A Intelligent control protective cabinet for precision irrigation pump head |
| 01/18/2012 | CN102322415A Wellhead photovoltaic remote-sensing intelligent chemical agent injection pump system and intelligent injection method |
| 01/16/2012 | DE202011107552U1 Drucksteuereinrichtung für Flüssigkeitspumpen Pressure control device for liquid pumps |
| 01/12/2012 | WO2012005498A2 Apparatus and method for controlling a compressor, and refrigerator comprising same |
| 01/12/2012 | WO2012005497A2 Device and method for controlling compressor, and refrigerator including same |
| 01/12/2012 | WO2012003870A1 Garden pump arrangement having a flow sensor |
| 01/12/2012 | WO2012003824A1 Hydraulic axial piston machine |
| 01/12/2012 | WO2011008242A3 Hydraulic drive and control system for pumps |
| 01/12/2012 | US20120009074 Water-conducting household appliance, particularly a dishwasher |
| 01/12/2012 | US20120006415 Rinsing device and method for the operation thereof |
| 01/12/2012 | DE19710675B4 Doppelpumpe mit Einzel- und Synchronbetrieb Double pump with single and synchronous operation |
| 01/11/2012 | EP2405138A2 Pumping device |
| 01/11/2012 | EP2008162B1 Centrifugal pump unit with switching device |
| 01/11/2012 | CN202108716U Intelligent fire pump control device |
| 01/11/2012 | CN202108715U Linear speed regulation controller of air blower |
| 01/11/2012 | CN202108714U Solar submersible pump |
| 01/11/2012 | CN202108713U Intelligent integrated device for liquid level detection and water pump control |
| 01/11/2012 | CN202108712U Frequency conversion constant pressure control device of air compressor set for cement plant |
| 01/11/2012 | CN202108711U Proportion adjustment pump of ternary injection and polymer injection for oil field |
| 01/11/2012 | CN202108708U Piezoelectric stack pump with sensor |
| 01/11/2012 | CN1815022B Methods and systems for modifying the operation of a compressor via a portable memory device |
| 01/11/2012 | CN102312829A Electric compressor controller |
| 01/11/2012 | CN102312828A Start-stop control method for double air compressor of locomotive |
| 01/11/2012 | CN102312827A Concrete pump and pumping control device and pumping control method thereof |
| 01/11/2012 | CN102312826A System capable of saving no-load energy consumption for air compressor |
| 01/11/2012 | CN102312825A Compressor control circuit device |
| 01/11/2012 | CN101794873B System for controlling storage battery acidification vacuum extractor |
| 01/10/2012 | US8092192 Wind-power water supply pump |
| 01/10/2012 | US8092191 Control system for reciprocating device |
| 01/10/2012 | US8092190 Systems and methods for reducing pump downtime by determining rotation speed using a variable speed drive |
| 01/05/2012 | WO2011105723A3 Linear compressor |
| 01/05/2012 | US20120004779 Aliquot Correction for Feeding Set Degradation |
| 01/05/2012 | US20120003104 Piezo-controlled and-or pressure ripple compensating fluid separation pump |
| 01/05/2012 | US20120000837 Multi-Stage Pump System |
| 01/05/2012 | DE102010030853A1 Method for controlling operations of liquid medium feed pump of urea metering device to control operations of combustion engine of motor car, involves determining characteristics of feed pump using control device |
| 01/05/2012 | DE102010026087A1 Method for operating submerged pump arrangement in lifting system, involves deactivating switching function after pumping pump arrangement, and activating switching function after recognizing of reduction of filling level |
| 01/05/2012 | DE102004037122B4 Vorrichtung und Verfahren zur Steuerung des Betriebs eines Kompressors Apparatus and method for controlling the operation of a compressor |
| 01/04/2012 | EP2402186A2 Electric Compressor Controller |