| Patents for F04B 51 - Testing machines, pumps, or pumping installations (2,128) |
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| 06/20/2007 | EP1798400A2 Gas turbine engine health monitoring |
| 06/20/2007 | CN2913707Y Return-oil impact integrated device for hydraulic testing system |
| 06/20/2007 | CN2913685Y Evaporation type refrigerator hydraulic pump |
| 06/20/2007 | CN1982712A Inspector of radiating fan |
| 06/19/2007 | CA2187769C Systems and methods for cassette identification for drug pumps |
| 06/14/2007 | US20070132603 Method and apparatus for measuring work performed by a compressor |
| 06/14/2007 | DE102005059566A1 Vorrichtung und Verfahren zur zustandsabhängigen Wartung von hydrostatischen Verdrängereinheiten Apparatus and method for condition-based maintenance of hydrostatic displacement units |
| 06/14/2007 | DE102005059564A1 Vorrichtung und Verfahren zur Zustandsüberwachung bei hydrostatischen Verdrängereinheiten Apparatus and method for condition monitoring in hydrostatic displacement units |
| 06/13/2007 | CN1979174A Fan rotation-speed detection device and method |
| 06/06/2007 | CN1975165A Concrete pump displacement measuring method and apparatus thereof |
| 05/31/2007 | US20070119246 Flow rate estimation method of blood pump |
| 05/30/2007 | CN2906135Y Vehicle-carried displacement air compressor detector |
| 05/23/2007 | CN1967259A Examining device for circulation of propeller pump exit |
| 05/17/2007 | US20070112301 Actuator system comprising detector means |
| 05/16/2007 | CN1963530A Apparatus and method for testing rotate speed of fan |
| 05/09/2007 | CN2898805Y Multifunctional hydraulic mechanical comprehensive test bed |
| 05/02/2007 | EP1780413A2 Method and equipment for detecting failure in oil film formation of swash plate compressor |
| 05/02/2007 | EP1780411A2 Fluid dispenser calibration system and method |
| 05/02/2007 | CN2896260Y Oil-pump testing table for key component of automotive automatic speed-change box |
| 04/25/2007 | CN1952642A A monitoring apparatus for hot water device |
| 04/19/2007 | WO2006110913A3 Devices and methods for use in assessing a flow condition of a fluid |
| 04/19/2007 | DE102006049440A1 Method for determination of condition in particular of centrifugal or reciprocating and rotary pump, comprises use of parameters of pulsation of pressure and/or flow |
| 03/28/2007 | EP1608946B1 Method and device for control of the capacity of a compressor |
| 03/28/2007 | CN1938061A Actuator system comprising detector means |
| 03/21/2007 | CN2881541Y On-line continuous displacement testing device single crank multiple range beam-pumping unit without stopping |
| 03/08/2007 | WO2007003862A3 Vacuum line and method for monitoring same |
| 03/07/2007 | EP1759117A1 Method and device for monitoring a flow of fluid delivered by a pump |
| 03/07/2007 | CN2876378Y Production operating mode testing device of screw pump |
| 03/06/2007 | US7186094 Method and apparatus for measuring work performed by a compressor |
| 03/06/2007 | US7185536 Pressure monitoring technique for downhole tools |
| 03/06/2007 | US7185528 Speed and fluid flow controller |
| 02/28/2007 | CN2874500Y Axial flow pump outlet circular flow detector |
| 02/28/2007 | CN2874067Y Fuel heater for fuel pump test |
| 02/28/2007 | CN1920511A Fusion diagnosing method of centrifugal pump vibration accidents and vibration signals sampling device |
| 02/21/2007 | EP1754888A1 Vacuum pumping system and method of diagnosing life expectancy of said system |
| 02/15/2007 | WO2007018044A1 Method and device for measuring flow rate and head of centrifugal pump, and circulation state evaluation device for pulsating circulation system |
| 02/14/2007 | CN2869824Y Submersible-oil electric pump axial-force testing device |
| 02/14/2007 | CN2869819Y Non-stop on-line continuous load detection device for single-crank double-range oil pump |
| 02/14/2007 | CN1300461C Self circulation pump specific curve test instrument |
| 01/31/2007 | CN2864618Y Slide valve type oil pulse transducer |
| 01/25/2007 | US20070017284 Cavitation detection device and method |
| 01/18/2007 | US20070012099 Vacuum line and a method of monitoring such a line |
| 01/18/2007 | US20070012098 Method and device for control of the capacity of a compressor |
| 01/11/2007 | DE10157143B4 Wartungsintervallanzeige für Pumpen Service interval indicator for pumps |
| 01/03/2007 | CN2854138Y Testing platform for oil pump |
| 12/28/2006 | US20060288772 Method and device for determining the hydraulic flow rate in a pump driven by a synchronous electric motor |
| 12/27/2006 | EP1736667A1 Detecting obstructions in enteral/parenteral feeding tubes |
| 12/27/2006 | EP1554494B1 Fluid dispenser calibration system and method |
| 12/27/2006 | CN2851648Y Non-stop online continuous tension testing device for single-crank double pumping unit |
| 12/20/2006 | EP1732625A1 Actuator system comprising detection means |
| 12/20/2006 | CN2849682Y Fast sensor for polishing rod load of pumping unit |
| 12/13/2006 | CN2846801Y Reverse osmosis booster pump rear lid |
| 12/13/2006 | CN1877124A Apparatus for detecting pumping performance of newly-mixed concrete |
| 12/06/2006 | CN2844875Y Pressure measuring system of air compressing station |
| 12/06/2006 | CN2844498Y Testing system of engine-liquid composite driving pump |
| 11/29/2006 | CN2842011Y Back-discharge fracturing fluid injection pump |
| 11/29/2006 | CN1869446A Intelligent pump |
| 11/16/2006 | US20060254357 Diagnostic system and method for a valve, especially a check valve of a positive displacement pump |
| 11/08/2006 | EP1720102A2 Compressor memory system, compressor information network, and warranty administration method |
| 10/26/2006 | WO2006113521A2 Variable volume, shape memory actuated insulin dispensing pump |
| 10/26/2006 | WO2006113408A2 Fluid delivery device with autocalibration |
| 10/26/2006 | WO2006112721A1 A method for determination of a leakage on a piston machine |
| 10/26/2006 | CA2738777A1 Fluid delivery device with autocalibration |
| 10/26/2006 | CA2605489A1 Method and device for determination of a leakage in a piston machine |
| 10/25/2006 | CN1851268A Screw pump well pump condition electric parameter detecting method |
| 10/25/2006 | CN1281866C Service life forcasting system of wshirler, service life forcasting method of whirler and manufacturing device with whirler |
| 10/19/2006 | WO2006110913A2 Devices and methods for use in assessing a flow condition of a fluid |
| 10/19/2006 | WO2006108606A1 Method and device for monitoring a flow of fluid delivered by a pump |
| 10/19/2006 | DE102005017240A1 Verfahren und Vorrichtung zur Überwachung eines mittels einer Pumpe geförderten Fluidstromes Method and apparatus for monitoring a project funded by a pump fluid flow |
| 10/11/2006 | CN1279412C Method of managing time, at which maintenance in system of a plurality of gas compressors should be carried out |
| 10/03/2006 | CA2273888C Sealless pump rotor position and bearing monitor |
| 09/27/2006 | CN1837613A 压缩机诊断系统 Compressor diagnostic system |
| 09/07/2006 | DE102005009840A1 Combination of gas compressing piston engine e.g. compressor for generation of compressed air has piston engine, provided for durable non-suction operation and has working chamber for durable operation without pressure outlet device |
| 08/31/2006 | US20060191406 Cylinder rod with position sensor surface markings |
| 08/23/2006 | CN1821578A Compressor diagnostic system |
| 08/23/2006 | CN1821577A 压缩机诊断系统 Compressor diagnostic system |
| 08/03/2006 | WO2006079407A1 Secondary air diagnosis in an internal combustion engine |
| 08/01/2006 | US7083391 Method and device for detecting the speed of a pump |
| 08/01/2006 | US7082758 Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof |
| 07/27/2006 | US20060162438 Condition monitoring of pumps and pump system |
| 07/26/2006 | CN1808091A Multifunctional integrated experimental bench for hydraulic machinery |
| 07/19/2006 | CN1806142A Diagnostic system and method for a valve, especially a check valve of a positive displacement pump |
| 07/13/2006 | US20060153692 Method and system for monitoring a reciprocating compressor |
| 07/13/2006 | DE102004062029A1 Überwachung einer Mehrkolbenpumpe Monitoring of a multi-piston pump |
| 06/28/2006 | EP1674365A1 Monitoring of a multi-piston pump |
| 06/27/2006 | US7069183 Early fault detection in pump valves |
| 06/08/2006 | US20060120877 Electronic trim for a variable delivery pump in a hydraulic system for an engine |
| 06/08/2006 | DE10156927B4 Pumpencontroller mit Teileidentifikation Pump controller with part identification |
| 06/07/2006 | CN1782389A Leakage diagnosing method for ground driving screw pump oil production well |
| 06/06/2006 | US7056097 System and method for monitoring the mechanical condition of a reciprocating compressor |
| 05/24/2006 | EP1659291A2 Compressor diagnostic system |
| 05/23/2006 | US7047802 Pump tester |
| 04/25/2006 | CA2256392C Pump system with error detection for clinical nutrition |
| 04/12/2006 | CN2771516Y Pumping unit weight indicator |
| 04/06/2006 | WO2006034898A1 Device for filling doses of a liquid |
| 04/04/2006 | US7021911 Reverse-ported pump |
| 03/16/2006 | US20060053865 Speed and fluid flow controller |
| 03/07/2006 | US7007563 Monitor to check the path of motion of reciprocating piston |
| 02/23/2006 | DE19902259B4 Montageverfahren Assembly method |
| 02/23/2006 | DE19780822B4 Hydraulikvorrichtung zur Bestimmung von Fehlern von Hydropumpen in einem Arbeitsfahrzeug Hydraulic apparatus for determining errors of hydraulic pumps in a work vehicle |