| Patents for F04B 51 - Testing machines, pumps, or pumping installations (2,128) |
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| 07/15/2008 | CA2427038C Method for determining the current filling level of a liquid in a container |
| 07/10/2008 | WO2008081368A1 Pump integrity monitoring |
| 07/10/2008 | WO2008018040A3 Pump monitor |
| 07/10/2008 | CA2672067A1 Pump integrity monitoring |
| 07/02/2008 | CN101213371A Vacuum line and method for monitoring same |
| 07/02/2008 | CN101211307A Mainboard water pump failure alarm circuit |
| 07/02/2008 | CN100399009C Automatic testing method for universal performance of vehicle engine oil pump |
| 06/25/2008 | CN101206611A Apparatus for measuring air quantity of computer fan |
| 06/11/2008 | CN101196185A Method of testing self-changing gearbox oil pump assembly |
| 06/05/2008 | US20080132844 Drug pump systems and methods |
| 05/28/2008 | CN101189431A Variable volume, shape memory actuated insulin dispensing pump |
| 05/21/2008 | CN101185042A Fluid delivery device with autocalibration |
| 05/21/2008 | CN101184989A Devices and methods for use in assessing a flow condition of a fluid |
| 05/14/2008 | CN101178062A Variable hydraulic pump pressure flow characteristics auto-testing method |
| 05/07/2008 | CN201057140Y Air compressor performance testing apparatus |
| 04/30/2008 | CN201053390Y Fixing device for conveniently detaching and mounting fan |
| 04/29/2008 | US7363807 Pump testing apparatus and method |
| 04/23/2008 | EP1913963A1 Method and device for measuring flow rate and head of centrifugal pump, and circulation state evaluation device for pulsating circulation system |
| 04/23/2008 | CN201050474Y Water pump test bench rapid clamp device |
| 04/17/2008 | WO2008012070A3 Method and device for analyzing vibrations in a machine |
| 04/17/2008 | DE102007043176A1 Verfahren und Vorrichtung zum Überwachen des Betriebs einer Zusatzhydraulikpumpe in einem Getriebe A method and apparatus for monitoring the operation of an auxiliary hydraulic pump in a transmission |
| 04/16/2008 | CN101163952A A method for determination of a leakage on a piston machine |
| 04/09/2008 | EP1625321B1 Diagnostic system and method for a valve, especially a check valve of a positive displacement pump |
| 04/09/2008 | CN101158346A Oil pump performance detecting system |
| 03/25/2008 | US7347836 Drug pump systems and methods |
| 03/13/2008 | US20080065016 Drug pump systems and methods |
| 03/13/2008 | US20080065007 Drug pump systems and methods |
| 03/12/2008 | EP1269145A4 Force sensor assembly for an infusion pump |
| 03/12/2008 | CN101139986A Drilling mud pump punch speed and stroke frequency measuring equipment and method thereof |
| 03/11/2008 | US7342756 Fault recognition in systems with multiple circuits |
| 03/05/2008 | CN201032483Y Running state indication device of heat radiating fun |
| 03/05/2008 | CN101135305A Portable fire pump on-line nondestructive tester and testing method |
| 02/27/2008 | CN201027640Y Indicating diagram measuring apparatus of oil field oil pumping machine |
| 02/21/2008 | DE102007034736A1 System und Verfahren zur Überwachung eines Kolbenkompressors System and method for monitoring a reciprocating compressor |
| 02/20/2008 | CN201025258Y Fan testing tool |
| 02/20/2008 | CN101126386A System and method for monitoring a reciprocating compressor |
| 02/14/2008 | CA2658988A1 Pump monitor |
| 02/06/2008 | CN201016869Y Machine-shop car operating cab electric wiper test apparatus |
| 01/31/2008 | DE102007034344A1 Verfahren und Vorrichtung zur Schwingungsanalyse an einer Maschine Method and apparatus for vibration analysis on a machine, |
| 01/30/2008 | CN201013580Y Water pump test-bed few-restrict clamping device |
| 01/29/2008 | CA2401568C Force sensor assembly for an infusion pump |
| 01/23/2008 | EP1881198A2 Fuel leak detection apparatus and method |
| 01/23/2008 | CN100363619C Leakage diagnosing method for ground driving screw pump oil production well |
| 01/17/2008 | DE202007015902U1 Funktionsteststand für Hydraulikpumpen Function test stand for hydraulic pumps |
| 01/16/2008 | EP1879112A2 Compressor memory system, compressor information network, and warranty administration method |
| 01/16/2008 | EP1879111A2 Compressor memory system, compressor information network, and warranty administration method |
| 01/16/2008 | EP1877662A2 Variable volume, shape memory actuated insulin dispensing pump |
| 01/16/2008 | CN101105501A Fan rotary speed test system and method |
| 01/10/2008 | US20080006089 Pump integrity monitoring |
| 01/10/2008 | US20080006088 Positive displacement pump monitor |
| 01/10/2008 | DE202007015060U1 Pumpenelement Pump element |
| 01/09/2008 | EP1875320A2 Fluid delivery device with autocalibration |
| 01/09/2008 | EP1875220A2 Devices and methods for use in assessing a flow condition of a fluid |
| 12/19/2007 | CN200993095Y Concrete pump displace ment measuring device |
| 12/12/2007 | CN200989795Y Noise silencing tester |
| 11/28/2007 | CN101078399A Heat dispersion fan detecting method and device |
| 11/21/2007 | CN200979508Y Hot water facilities detecting device |
| 11/14/2007 | CN100348863C Method for measuring pump characteristic curve by means of pipeline characteristic curve |
| 11/13/2007 | US7293965 Limiter device for variable displacement compressor |
| 11/07/2007 | CN200971852Y Pressure generator in medical pump transfusion precision measuring system |
| 11/01/2007 | WO2007122697A1 Performance diagnosing apparatus and system for fluid machine |
| 10/31/2007 | CN100346071C Automatic testing method for pressure fluctuation of lubricating pump of automobile |
| 10/30/2007 | US7287423 Method and device for control of the capacity of a compressor |
| 10/24/2007 | EP1847712A1 Peristaltic pump |
| 10/24/2007 | CN101059131A Blowing or sucking type air compressor cascade experiment system |
| 10/24/2007 | CN100344875C Method for judging whether key characteristics of a compressor are qualified or not by exhaust pressure comparison |
| 10/18/2007 | WO2007072385A3 System and method for determining onset of failure modes in a positive displacement pump |
| 10/10/2007 | EP1843141A2 Methods and apparatus for determining the presence or absence of a fluid leak |
| 10/04/2007 | WO2007074363A3 Micropump |
| 10/03/2007 | CN200955488Y Multi-function three-element injection pump detection apparatus |
| 09/27/2007 | DE102006013634A1 Test stand arrangement for executing tests of e.g. pump of diesel engine, has return line and supply line of test module energetically connected with each other such that heat energy between return and supply lines is exchanged |
| 09/26/2007 | EP1836400A1 Device and method for on-condition maintenance of hydrostatic displacement units |
| 09/20/2007 | DE102006010195A1 Check valve e.g. inlet and/or exhaust valve, diagnosing system for positive-displacement pump, has evaluation device evaluating impact sound signal for determining values of characteristic of sound signal received at valves |
| 09/19/2007 | CN101038218A Small cantilever beam type walking beam micro-deformation measuring device |
| 09/05/2007 | CN101029639A Method for measuring pumping-unit workdone graphic in oil field |
| 08/29/2007 | EP1826408A2 Metering pump with self-calibration and health prediction |
| 08/23/2007 | US20070194772 Assessing soundness of motor-driven devices |
| 08/15/2007 | CN1332133C Method for deciding key characteristic of compressor qualified or not by timing exhaust volume |
| 08/09/2007 | WO2007087783A1 Apparatus for monitoring machine elements |
| 08/08/2007 | CN2931856Y Durability testing stand for elements |
| 08/07/2007 | US7252483 Method of managing time, at which maintenance in a gas compressor multiple system should be carried out |
| 08/01/2007 | CN2929254Y Detector for cracked diaphragm of diaphragm pump |
| 08/01/2007 | CN101008383A Cylinder body used in microscopic performance test of plunger pair |
| 07/26/2007 | WO2007082637A1 Method for monitoring the wear and tear of pumps and pumps for carrying out said method |
| 07/26/2007 | WO2006113521A3 Variable volume, shape memory actuated insulin dispensing pump |
| 07/26/2007 | WO2006113408A3 Fluid delivery device with autocalibration |
| 07/25/2007 | EP1364194B1 Methods and apparatus for determining the presence or absence of a fluid leak |
| 07/25/2007 | CN2926582Y Vibration-signal collector of centrifugal pump |
| 07/19/2007 | DE102006001585A1 Verfahren zur Verschleißüberwachung von Pumpen und Pumpe zur Durchführung des Verfahrens A method for monitoring wear of pumps and pump for carrying out the method |
| 07/19/2007 | DE102006001584A1 Verfahren zur Kompensierung von Pumpenverschleiß Method to compensate for pump wear |
| 07/10/2007 | US7241115 Methods and apparatus for determining the presence or absence of a fluid leak |
| 07/05/2007 | CA2844349A1 Micropump |
| 07/05/2007 | CA2669637A1 Micropump |
| 07/04/2007 | EP1803934A1 Micropump |
| 06/28/2007 | DE10054369B4 Anordnung zum Erfassen messtechnischer Daten eines Rotors einer rotierenden Maschine Means for detecting metrological data of a rotor of a rotary machine |
| 06/28/2007 | CA2630446A1 System and method for determining onset of failure modes in a positive displacement pump |
| 06/27/2007 | CN1987101A Real time discharging volume measuring method and device for concrete pump |
| 06/27/2007 | CN1987100A Metering method and system for real time discharge volume of piston type concrete pump |
| 06/21/2007 | WO2007068448A1 Device and method for monitoring the state of hydrostatic displacement units |
| 06/21/2007 | WO2007068447A1 Device and method for on-condition maintenance of hydrostatic displacement units |