| 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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| 06/10/2009 | CN100497946C Compressed air production device |
| 06/10/2009 | CN100497945C Electricity saving method of walking beam type pumping unit, and electricity saving mode walking beam typed pumping unit |
| 06/10/2009 | CN100497930C Solenoid valve for variable discharge fuel supply apparatus |
| 06/10/2009 | CN100497906C Traveling-type hydraulic working machine |
| 06/09/2009 | US7544046 Vacuum pump |
| 06/04/2009 | WO2009069449A1 Test device and test device control method |
| 06/04/2009 | WO2009068506A1 Fluid conveyance apparatus and valve apparatus and method for operating a fluid conveyance apparatus |
| 06/04/2009 | WO2009068180A1 Multi-level membrane suction pump |
| 06/04/2009 | WO2006057529A3 Operation control device and method of compressor |
| 06/04/2009 | US20090142201 Hydraulic flow control system and method |
| 06/04/2009 | US20090142198 Apparatus and method for handling fluids at nano-scale rates |
| 06/04/2009 | DE102007057446A1 Fluidfördereinrichtung und Ventileinrichtung sowie Verfahren zum Betreiben einer Fluidfördereinrichtung Fluid conveying device and valve device and method for operating a fluid delivery device |
| 06/04/2009 | DE102007049413B3 Flow rate changing arrangement for positive displacement machine, has swiveling angle regulating device including adjusting valve and adjustment modes, where selection of active modes takes place through rate of electrical control signals |
| 06/03/2009 | EP1709327B1 A fluid pump controlling system and method |
| 06/03/2009 | EP1554047B1 Blood processing systems with blood processing chamber and umbilicus |
| 06/03/2009 | CN101446282A Engine-air compressor electric control device |
| 06/03/2009 | CN100494681C Gas compressor load discharging valve |
| 06/03/2009 | CN100494664C Accumulator distribution type fuel injection pump |
| 06/02/2009 | US7542875 Reciprocating pump performance prediction |
| 06/02/2009 | US7540721 Automatic inlet check valve release |
| 06/02/2009 | US7540719 Power transmission and compressor |
| 06/02/2009 | US7540718 Hermetic compressor |
| 06/02/2009 | US7540274 High pressure fuel supply pump for internal combustion engine |
| 05/28/2009 | WO2009066483A1 Electric compressor |
| 05/28/2009 | WO2009065537A2 Hydraulic manifold pump |
| 05/28/2009 | WO2009048566A3 System and method for monitoring overheat of a compressor |
| 05/28/2009 | WO2009003462A3 Valve-controlled hydraulic engine |
| 05/28/2009 | US20090136363 Multi-Stage Submersible Pump |
| 05/28/2009 | US20090136359 Motor control apparatus for a ventilation system |
| 05/28/2009 | US20090133394 Method for Controlling or Regulating the Air Pressure in a Compressed Air Supply Device |
| 05/28/2009 | DE10220889C5 Verstellvorrichtung für hydrostatische Kolbenmaschinen Adjusting for hydrostatic piston engines |
| 05/28/2009 | DE102007056991A1 Hydraulische Schaltungsanordnung mit einer Einrichtung zur Nullhubdruckregelung und Verfahren zur Druckregelung im Nullhubbetrieb The hydraulic circuit system having a device for Nullhubdruckregelung and method for controlling pressure in zero stroke |
| 05/27/2009 | EP2063124A1 Engine load control device of work vehicle |
| 05/27/2009 | EP2061973A2 Piston cartridge |
| 05/27/2009 | EP2061715A1 Fluid dispensing system suitable for dispensing liquid flavorings |
| 05/27/2009 | CN201246318Y Large power variable-frequency speed regulating system of dredge boat high-pressure water rushing pump |
| 05/27/2009 | CN101440788A Pressure reducing starter of energy storage hydraulic pump |
| 05/27/2009 | CN100492798C Compressor assembly and cooling system |
| 05/27/2009 | CN100491727C Hydraulic controller of double acting reciprocating pump |
| 05/26/2009 | US7539560 Control valve and positioner diagnostics |
| 05/26/2009 | CA2504225C Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof |
| 05/26/2009 | CA2337925C Seal assemblies |
| 05/22/2009 | WO2009064456A1 Process for electro-hydraulic circuits and systmes involving excavator boom-swing power management |
| 05/22/2009 | WO2009062538A1 Hplc-system with variable flow rate |
| 05/22/2009 | WO2009062276A1 Pressure control unit |
| 05/21/2009 | US20090132184 Flow rate estimation method of blood pump |
| 05/21/2009 | US20090130532 Mixing Pump Device and Fuel Cell |
| 05/21/2009 | US20090129943 Method for driving a bidirectional motor to rotate a fluid circulation pump |
| 05/21/2009 | US20090129942 System and Method for Controlling a Progressing Cavity Well Pump |
| 05/21/2009 | US20090129941 Method for controlling a pump arrangement, and pump arrangement |
| 05/21/2009 | US20090129940 Differential pressure switch |
| 05/21/2009 | US20090129939 Apparatus for thermal dissipation and retention of float |
| 05/21/2009 | US20090129938 Device mounting apparatus for a fluid control system |
| 05/21/2009 | US20090129937 Downhole pump controller |
| 05/21/2009 | US20090129936 Electronic device having blower |
| 05/21/2009 | US20090129935 Pump suction pressure limiting speed control and related pump driver and sprinkler system |
| 05/20/2009 | EP2060788A1 Method for operating a pump assembly and pump assembly |
| 05/20/2009 | EP2059679A2 Oil-free air compressor system with inlet throttle |
| 05/20/2009 | CN201241833Y Air conditioner compressor protection system and air conditioner having the same |
| 05/20/2009 | CN201241814Y Lower three-prevention apparatus of oil well pump |
| 05/20/2009 | CN201241810Y Double-pump air compressor |
| 05/20/2009 | CN201241352Y Pumped well controller |
| 05/20/2009 | CN100489306C Compressor |
| 05/19/2009 | US7535336 Network communication and message protocol for a medical perfusion system |
| 05/19/2009 | US7534096 Method and system for improving pump efficiency and productivity under power disturbance conditions |
| 05/19/2009 | US7534095 Condensate scavenging system and method for in-ground vehicle lifts |
| 05/19/2009 | US7533687 Capacity control valve |
| 05/19/2009 | US7533527 Hydraulic drive device for work machine |
| 05/14/2009 | WO2009061370A1 Compressor sensor module |
| 05/14/2009 | WO2009060091A1 Hydraulic pressure transformer and method for the operation thereof |
| 05/14/2009 | WO2009059376A1 Improved concrete pump |
| 05/14/2009 | WO2009029961A3 Device for measuring the real-time performance of a pump |
| 05/14/2009 | US20090123300 System and method for controlling a variable displacement compressor |
| 05/14/2009 | US20090123296 Water removal system |
| 05/14/2009 | US20090123295 Sump pump activation switch |
| 05/14/2009 | US20090123294 Fuel cell with temperature sensor device |
| 05/14/2009 | US20090123293 Method and apparatus of driving multiple shafts in a wet/dry vacuum and liquid pump |
| 05/14/2009 | US20090121034 Circulation pump, heating system and method of determining the flow rate of a liquid through a pipe |
| 05/14/2009 | US20090120508 Air Release Valve |
| 05/14/2009 | US20090120083 Process for electro-hydraulic circuits and systems involving excavator boom-swing power management |
| 05/14/2009 | DE202009002155U1 Vorrichtung zur Durchflussregelung Device for flow control |
| 05/13/2009 | EP2058520A1 Backup vacuum-production installation and corresponding vacuum-production system. |
| 05/13/2009 | EP2058518A1 Control device for a power unit |
| 05/13/2009 | EP2057350A2 Method for controlling the discharge pressure of an engine-driven pump |
| 05/13/2009 | EP1864022B1 Pressure accumulating apparatus |
| 05/13/2009 | EP1830053B1 Control device for traveling working vehicle |
| 05/13/2009 | CN201237014Y Apparatus for preventing deadlocking trouble of oil pump servo valve core |
| 05/13/2009 | CN201236784Y Pressure stabilizing structure of membrane pump |
| 05/13/2009 | CN201236777Y Hydraulic slush pump |
| 05/13/2009 | CN101432520A Hydraulic motor with star shaped cylinder and continuously variable displacement |
| 05/12/2009 | US7530796 Compressors |
| 05/07/2009 | WO2009058356A1 Compressor sensor module |
| 05/07/2009 | WO2009057873A2 Linear motor and reciprocating compressor employing the same |
| 05/07/2009 | WO2009057480A1 Air conditioner for vehicle |
| 05/07/2009 | WO2009056245A1 Supercharged compressor and method for controlling a supercharged compressor |
| 05/07/2009 | WO2009056142A1 Hydraulic system with supplement pump |
| 05/07/2009 | WO2009056141A1 Method of operating a fluid working machine |
| 05/07/2009 | WO2009056140A1 Method of operating a fluid working machine |
| 05/07/2009 | WO2009056137A1 Operating method for fluid working machine |
| 05/07/2009 | WO2008148553A3 Volume flow control valve |