| 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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| 10/04/2006 | EP1706643A1 Dosing system for dosing of a liquid additive into a pressurized water supply line |
| 10/04/2006 | EP1706642A1 Current monitoring system and method for metering peristaltic pump |
| 10/04/2006 | EP1706639A2 Two-stage pressure relief valve |
| 10/04/2006 | EP1706587A2 Scroll compressor with enlarged vapor injection port area |
| 10/04/2006 | CN1842660A Engine lag down suppressing device of construction machinery |
| 10/04/2006 | CN1840906A Compressor |
| 10/04/2006 | CN1840905A Control valve for variable displacement compressor |
| 10/04/2006 | CN1278038C Piston stroke limiting device for reciprocating compressor |
| 10/04/2006 | CA2541305A1 Control system and method for an air-operated pump |
| 10/03/2006 | US7117120 Control system for centrifugal pumps |
| 10/03/2006 | US7114207 Inflatable product provided with electric air pump |
| 10/03/2006 | CA2350859C Apparatus for generating and conducting a fluid flow, and method of monitoring said apparatus |
| 09/28/2006 | WO2006102372A2 Multiple compressor control system |
| 09/28/2006 | WO2006068931A3 Prevention of unpowered reverse rotation in compressors |
| 09/28/2006 | WO2006056755A3 Monitoring system |
| 09/28/2006 | US20060216159 Multiple compressor control system |
| 09/28/2006 | CA2574338A1 Multiple compressor control system |
| 09/27/2006 | EP1705376A1 Liquid pressurizing device |
| 09/27/2006 | EP1322863B1 Piston stroke limiting device for a reciprocating compressor |
| 09/27/2006 | CN2821220Y Automatic controller for concrete conveying pump constant power |
| 09/27/2006 | CN1839261A Dual capacity compressor |
| 09/27/2006 | CN1837613A 压缩机诊断系统 Compressor diagnostic system |
| 09/27/2006 | CN1837612A Compressor volume control system and refrigeration cycle system |
| 09/27/2006 | CN1837611A Sludge pump and its operation method |
| 09/21/2006 | WO2006099622A2 Reciprocating pump performance prediction |
| 09/21/2006 | US20060210405 Vacuum pressure controller |
| 09/21/2006 | US20060210403 Method of running a down hole rotary pump |
| 09/21/2006 | US20060207248 Hydraulic circuit of construction machinery |
| 09/21/2006 | DE10049827B4 Hydrostatikkreislauf-Entleerventil zum reduzieren des von einer hydrostatischen Einheit benötigten Antriebsdrehmoments Hydrostatic circuit-drain valve to reduce the need of a hydrostatic drive unit torque |
| 09/20/2006 | EP1703355A1 Control device, in particular a pressure switch |
| 09/20/2006 | CN2818847Y Vertical unloading silencer with unloading start |
| 09/20/2006 | CN2818846Y Multi-stage jig-frequency adjuster of beam-pumping unit |
| 09/20/2006 | CN1836109A Control device for compressor |
| 09/20/2006 | CN1836106A Integration of automated cryopump safety purge |
| 09/20/2006 | CN1834460A Air compressor with digital displaying pressure regulator |
| 09/20/2006 | CN1834459A Control method for energy saving of hydraulic machinery or raising prodn. efficiency |
| 09/20/2006 | CN1834458A Concrete continuous pumping delivery method and concrete pump appts |
| 09/20/2006 | CN1834456A Compressor |
| 09/20/2006 | CN1276179C Sealed compressor with hot oil-operated protection switch |
| 09/20/2006 | CN1276177C Service life forcasting method of whirler and manufacturing device with whirler |
| 09/20/2006 | CN1276176C Linear compressor driving controlling method |
| 09/20/2006 | CN1275658C Feeding set adaptor |
| 09/14/2006 | WO2006096178A1 Compressor sound suppression |
| 09/14/2006 | US20060204370 Electromagnetic clutch for compressor |
| 09/14/2006 | US20060204368 Air conditioning systems for vehicles |
| 09/14/2006 | US20060204367 Pump and pump control circuit apparatus and method |
| 09/14/2006 | US20060204366 Method of transforming a pre-determined force or pressure pattern |
| 09/14/2006 | US20060204365 Apparatus and method for controlling the speed of a pump in a well |
| 09/14/2006 | US20060201147 Traveling hydraulic working machine |
| 09/14/2006 | CA2600032A1 Downhole uses of piezoelectric motors |
| 09/14/2006 | CA2598284A1 Compressor sound suppression |
| 09/13/2006 | EP1701014A1 Rotational speed control method of fan |
| 09/13/2006 | EP1700067A2 Compressor protection and diagnostic system |
| 09/13/2006 | EP1588052B1 Axial piston machine comprising a crosshead which can be fixed to the swash plate |
| 09/13/2006 | EP1419316B1 Method for controlling a thick matter pump |
| 09/13/2006 | CN1274965C Hydraulic circuit device |
| 09/12/2006 | US7106587 Fluid moving device with a radiation module |
| 09/12/2006 | US7104765 Hybrid compressor system |
| 09/12/2006 | US7104764 Variable capacity rotary compressor |
| 09/12/2006 | CA2169895C Process and means for controlling a polyphasic pumping unit |
| 09/08/2006 | WO2006093821A1 System and method for controlling a variable speed compressor during stopping |
| 09/07/2006 | US20060198737 Actuator control apparatus |
| 09/07/2006 | US20060198736 Pump control system for variable displacement pump |
| 09/07/2006 | US20060198735 Vacuum pump and method of starting the same |
| 09/06/2006 | EP1698783A1 Fuel gas compression system |
| 09/06/2006 | EP1697639A1 Method for controlling the drive motor of a positive-displacement vacuum pump |
| 09/06/2006 | CN1830131A Compressor protection and diagnostic system |
| 09/06/2006 | CN1273782C Cooling system and method |
| 09/05/2006 | US7102309 Apparatus for compensating for speed error of motor |
| 09/05/2006 | US7102308 Method and system for a variable speed fan control for thermal management |
| 09/05/2006 | US7102264 Synchronous induction motor and manufacturing method and drive unit for the same, and hermetic electric compressor |
| 09/05/2006 | US7101156 Method and apparatus for controlling a pumping unit |
| 09/05/2006 | US7101155 vacuum pump unit with an inlet connectable with an outlet for exhausting gas; pumping gas from the chamber to the pump inlet using the vacuum pump unit, then allowing gas to be evacuated from the pump outlet to the chamber to reduce pressure |
| 09/05/2006 | US7100743 Crank shaft in dual capacity compressor |
| 09/05/2006 | US7100632 Sump liner |
| 09/05/2006 | US7100386 Economizer/by-pass port inserts to control port size |
| 09/05/2006 | US7100382 Unitary control for air conditioner and/or heat pump |
| 08/31/2006 | WO2006091289A1 Sensorless control of two-phase brushless dc motor |
| 08/31/2006 | WO2006091200A1 Compressor unloading valve |
| 08/31/2006 | US20060193732 Variable capacity compressor and starting method thereof |
| 08/31/2006 | US20060193730 Method and apparatus for controlling microfluidic flow |
| 08/31/2006 | US20060193729 Generating a PWM signal dependent on a duty cycle having a piecewise linear relationship with temperature |
| 08/31/2006 | US20060193728 System and method for controlling a variable speed compressor during stopping |
| 08/31/2006 | DE102005007389A1 Hydraulic or pneumatic pump for supplying compressed oil of an automatic gearing mechanism comprises a suction tube with a wall which is completely or partially elastic so that the tube is deformed when a fuel is passed through |
| 08/31/2006 | CA2598206A1 Compressor unloading valve |
| 08/30/2006 | EP1696125A1 Capacity-variable air conditioner |
| 08/30/2006 | EP1696123A1 Variable displacement compressor |
| 08/30/2006 | EP1695182A2 Material conveying systems, computer program products, and methods |
| 08/30/2006 | EP1694966A1 Method for controlling a compressor for transporting a pressure medium in a level adjustment system of a motor vehicle |
| 08/30/2006 | EP1694965A1 Total power regulation device |
| 08/30/2006 | EP1694962A1 Hydraulic motor/pump |
| 08/30/2006 | EP1474303B1 Method of controlling a compressor driven by the engine of a vehicle |
| 08/30/2006 | CN2811595Y Modular upper seal holder for protector of electric submersible pump |
| 08/30/2006 | CN1826499A Methods for detecting surge in centrifugal compressors |
| 08/30/2006 | CN1826466A A proximity-sensor support, a compressor, a valve plate and a cooler |
| 08/30/2006 | CN1825747A Electric pump and fluid supply apparatus |
| 08/30/2006 | CN1824895A Fluid pump control system for excavators |
| 08/30/2006 | CN1272552C Hydraulic control cold starting neutral valve |
| 08/29/2006 | US7097432 Sliding vane turbocharger with graduated vanes |
| 08/24/2006 | WO2006089157A2 Method and apparatus for reducing free flow risk |