| Patents for F04B 51 - Testing machines, pumps, or pumping installations (2,128) |
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| 07/15/2009 | CN201273269Y Fluid transportation detection optimizing system |
| 07/15/2009 | CN101482108A Pressure detection system and method for membrane pump |
| 07/09/2009 | WO2009083641A1 A method and apparatus for testing the piston of an injection pump |
| 07/09/2009 | US20090177160 Fluid Delivery Device with Autocalibration |
| 07/08/2009 | CN201269185Y Testing bench frame for control oil pump of automatic gear box |
| 07/08/2009 | CN100510405C Compressor diagnostic system |
| 07/01/2009 | CN101469699A System for detecting oil pumping performance of engine oil pump |
| 07/01/2009 | CN101469698A Water pump durability test-bed |
| 06/25/2009 | US20090163869 Variable Volume, Shape Memory Actuated Insulin Dispensing Pump |
| 06/17/2009 | CN101457749A Fan testing device |
| 06/03/2009 | CN101446283A Evolutionary computation-based method for diagnosing compressor fault |
| 05/27/2009 | EP2062605A1 Calibrating device for dosing machines of radioactive substances |
| 05/27/2009 | CN101440799A Steering oil pump durability test apparatus |
| 05/27/2009 | CN100492798C Compressor assembly and cooling system |
| 05/26/2009 | CA2504225C Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof |
| 05/21/2009 | US20090132184 Flow rate estimation method of blood pump |
| 05/20/2009 | CN101438060A Apparatus and system for diagnosing fluid machinery performance |
| 05/14/2009 | WO2009029961A3 Device for measuring the real-time performance of a pump |
| 05/13/2009 | CN201236786Y Performance detection testing bench for screw pump |
| 05/13/2009 | CN101430358A Head-machine first water pump behavior full-group start test method for pump storage plant |
| 05/06/2009 | EP2056012A1 Pump element |
| 05/06/2009 | EP2055965A1 Fluid pressure unit |
| 04/30/2009 | US20090112165 Variable Volume, Shape Memory Actuated Insulin Dispensing Pump |
| 04/30/2009 | US20090112156 Variable Volume, Shape Memory Actuated Insulin Dispensing Pump |
| 04/29/2009 | CN201228627Y Test stand for hydraulic pump |
| 04/29/2009 | CN201228626Y Process real time monitoring and data collecting device for lubricating oil pump test stand |
| 04/29/2009 | CN101418789A Device for measuring indicator diagram of pumping unit |
| 04/23/2009 | US20090105649 Variable Volume, Shape Memory Actuated Insulin Dispensing Pump |
| 04/23/2009 | US20090105648 Variable Volume, Shape Memory Actuated Insulin Dispensing Pump |
| 04/23/2009 | US20090105647 Variable Volume, Shape Memory Actuated Insulin Dispensing Pump |
| 04/22/2009 | CN201225265Y Trial run apparatus of slurry pump |
| 04/15/2009 | EP1269145B1 Force sensor assembly for an infusion pump |
| 04/15/2009 | CN101408859A Airflow sensing apparatus |
| 04/15/2009 | CN101408166A Automatic diagnostic method of diaphragm pump one-way valve fault and adopting apparatus thereof |
| 04/09/2009 | DE102007047500A1 Verfahren und Vorrichtung zur In-Situ-Bestimmung der Betriebszustände von Arbeitsmaschinen Method and apparatus for in-situ determination of the operating states of work machine |
| 04/08/2009 | CN201218190Y Principal shaft vibration detection area regulation pad of compressor |
| 04/01/2009 | CN101397989A Engine oil pollution sensitivity testing method for lubricating pump |
| 03/25/2009 | CN201212469Y Monitoring and displaying instrument for mud pump |
| 03/18/2009 | CN201209532Y Step pressure regulating type lubricating oil pump testing bench |
| 03/11/2009 | CN101382133A Risk alarm method for ship electric pump |
| 03/10/2009 | US7500390 Method for estimating pump efficiency |
| 03/05/2009 | WO2009029961A2 Device for measuring the real-time performance of a pump |
| 03/05/2009 | DE102007041137A1 Eccentric screw pump's pumping rate optimizing device for oil field, has test stand arranged in oil field to test pump under operating conditions with oil and including controller simulating oil pressure in pump based on borehole's pressure |
| 03/03/2009 | US7497116 Flow rate estimation method of blood pump |
| 02/26/2009 | WO2009025558A1 Method for detection of a fluid leak related to a piston machine |
| 02/26/2009 | CA2697016A1 Method for detection of a fluid leak related to a piston machine |
| 02/18/2009 | CN100462560C Cylinder body used in microscopic performance test of plunger pair |
| 02/12/2009 | DE112006003844T5 Leistungsfähigkeits-Überwachungsvorrichtung und System für Fluidmaschinen Efficiency monitoring apparatus and system for fluid machines |
| 02/05/2009 | US20090037143 Compressor performance calculator |
| 02/04/2009 | CN100458391C Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof |
| 01/29/2009 | WO2009013037A1 Method for calibrating a hydraulic pump |
| 01/28/2009 | CN100456011C Multifunctional integrated experimental bench for hydraulic machinery |
| 01/21/2009 | CN101351642A Mikropumpe |
| 01/21/2009 | CN100453809C Method and system for monitoring a reciprocating compressor |
| 01/20/2009 | CA2351645C Apparatus and method for detection of a leak in a pump membrane |
| 01/14/2009 | CN100451337C Apparatus for detecting pumping performance of newly-mixed concrete |
| 01/08/2009 | DE102007030248A1 Volume flow or pressure change determining method for piston pump, involves calculating volume flow or pressure change using mathematical models utilizing linear approach for obtaining coefficient of piston pump |
| 01/07/2009 | EP2012013A1 Piston gas compressor |
| 01/07/2009 | CN201176923Y LCD numerical control pressure testing machine |
| 01/07/2009 | CN100449145C Concrete pump displacement measuring method and apparatus thereof |
| 12/24/2008 | CN101328881A Hydraulic pump test stand |
| 12/11/2008 | US20080302111 Apparatus And Method For Pumping A Cryogenic Fluid From A Storage Vessel And Diagnosing Cryogenic Pump Performance |
| 12/10/2008 | CN201162664Y Measuring apparatus for oil field oil pumping machine indicating diagram without load sensor |
| 11/27/2008 | WO2008142587A1 Binarization technique for acoustic data analysis |
| 11/26/2008 | CN100437072C Fusion diagnosing method of centrifugal pump vibration accidents and vibration signals sampling device |
| 11/19/2008 | EP1992819A1 Piston stroke counting device |
| 11/19/2008 | CN101307756A Thermoelectric generating set auxiliary machinery fault fast-reducing load feed water pump trip behavior feasibility determination method |
| 11/19/2008 | CN101307755A Mud pump control displayer |
| 11/11/2008 | US7451061 Compressor performance calculator |
| 11/05/2008 | EP1988287A1 Arrangement and method for monitoring a hydraulic system |
| 11/05/2008 | CN201144790Y Diaphragm pump pressure detecting device |
| 11/05/2008 | CN201144789Y Plunger pump and piston pump test devices |
| 10/30/2008 | US20080267787 Devices and methods for use in assessing a flow condition of a fluid |
| 10/23/2008 | US20080257063 Devices and methods for use in assessing a flow condition of a fluid |
| 10/14/2008 | US7434589 Wafer cleaning apparatus with anticipating malfunction of pump |
| 10/07/2008 | US7431569 Pump health monitoring |
| 10/02/2008 | WO2008118775A1 Pump, real-time, general and incremental condition diagnosis |
| 10/01/2008 | CN101275552A Pump real-time general and incremental condition diagnosis |
| 10/01/2008 | CN101275551A Fluidic cassette detection mechanism |
| 09/17/2008 | CN101266256A Fan rotatation speed test method |
| 09/17/2008 | CN100419264C Method for deciding key characteristic of compressor by consumed time of timing exhaust volume |
| 09/10/2008 | EP1966490A2 Micropump |
| 09/04/2008 | WO2008066589A3 System and method for operation of a pump |
| 09/04/2008 | DE10323855B4 Verdichter, insbesondere Axialkolbenverdichter für Fahrzeugklimaanlagen mit Drehmomentmessung Compressor, in particular for vehicle air conditioning systems with axial piston torque measurement |
| 08/27/2008 | EP1960670A2 System and method for operation of a pump |
| 08/27/2008 | EP1960666A1 Device and method for monitoring the state of hydrostatic displacement units |
| 08/20/2008 | CN101245778A Pump efficiency monitoring and detecting method |
| 08/06/2008 | CN201096516Y Automobile dynamic steering oil pump noise on-line detection bench isolation booth |
| 07/30/2008 | CN100406839C 监测往复式活塞运动轨道的监视器 Monitoring reciprocating piston motion trajectory monitor |
| 07/30/2008 | CN100406733C Metering method and system for real time discharge volume of piston type concrete pump |
| 07/23/2008 | EP1552146A4 Fluid delivery device, system and method |
| 07/23/2008 | CN201090425Y Oil well pump testing apparatus |
| 07/23/2008 | CN100404937C Diagnostic system and method for a valve, especially a check valve of a positive displacement pump |
| 07/17/2008 | WO2008084077A1 Method for automatically determining the state of a hydraulic aggregate |
| 07/16/2008 | CN201087745Y Portable on-line testing apparatus for efficiency and energy consumption of water pump units |
| 07/16/2008 | CN101220811A Automatic vacuum detection system of water feeding pump |
| 07/16/2008 | CN100402852C Real time discharging volume measuring method and device for concrete pump |
| 07/16/2008 | CN100402826C Method and system for avoiding anomaly stop of production device |
| 07/15/2008 | US7400952 Method and apparatus for controlling desiccant regeneration in air dryer equipment for a locomotive |
| 07/15/2008 | US7399401 Determining a time period associated with a delivery of a fluid; monitoring a rate of electrochemical reaction in a fluid path of the fluid delivery for the determined time period; determining a rate of the fluid delivery based at least in part on the monitored rate of electrochemical reaction |