Patents for F04B 51 - Testing machines, pumps, or pumping installations (2,128) |
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02/22/2006 | CN1737524A Automobile automatic gear box key component oil pump experimental bench |
02/15/2006 | EP1625321A1 Diagnostic system and method for a valve, especially a check valve of a positive displacement pump |
02/14/2006 | US6998807 Active sensing and switching device |
02/08/2006 | EP1624185A2 Method and apparatus for determining operating parameters in hydraulic piston engines |
02/08/2006 | CN2756867Y Screw pump test wellhead device |
02/08/2006 | CN1730944A Method for measuring pump characteristic curve by means of pipeline characteristic curve |
02/08/2006 | CN1240942C Non-stop operation condition testing method for beam pumping unit |
02/01/2006 | CN1240108C Service life predication method of rotation machine for apparatus for making semiconductor and semiconductor-making apparatus thereof |
01/25/2006 | CN1726345A Method and system for monitoring a reciprocating compressor |
01/17/2006 | US6986646 Electronic trim for a variable delivery pump in a hydraulic system for an engine |
01/03/2006 | US6981402 Speed and fluid flow controller |
12/28/2005 | EP1608946A1 Method and device for control of the capacity of a compressor |
12/28/2005 | EP1364194A4 Methods and apparatus for determining the presence or absence of a fluid leak |
12/22/2005 | US20050283282 Method and apparatus for controlling desiccant regeneration in air dryer equipment for a locomotive |
12/07/2005 | CN1230869C Device for predicting service life of rotation machine and method for predicting and determining maintenance period |
12/06/2005 | US6973373 System for measuring change in fluid flow rate within a line |
12/01/2005 | US20050262838 Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof |
11/29/2005 | US6970793 Apparatus and method for detecting malfunctions in high-pressure fluid pumps |
11/23/2005 | EP1597482A1 Apparatus and method for detecting malfunctions in high-pressure fluid pumps |
11/23/2005 | CN1699950A Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof |
11/17/2005 | WO2005108744A1 Measuring work performed by a reciprocating machine |
11/10/2005 | US20050249606 Devices and methods for use in assessing a flow condition of a fluid |
11/09/2005 | EP1593846A1 Calibration unit for positive displacement pumps |
11/09/2005 | CN1695009A Fluid dispenser calibration system and method |
11/03/2005 | US20050241370 Pump testing apparatus and method |
10/27/2005 | US20050238503 Variable volume, shape memory actuated insulin dispensing pump |
10/27/2005 | US20050235732 Fluid delivery device with autocalibration |
10/26/2005 | CN1687594A Method and equipment for testing performance of feeding oil of fuel pump in car |
10/23/2005 | CA2486126A1 Monitoring system for reciprocating pumps |
10/13/2005 | WO2005094919A1 Actuator system comprising detection means |
10/13/2005 | CA2561251A1 Actuator system comprising detection means |
09/29/2005 | DE19927961B4 Verfahren zum Bestimmen der Betriebsparameter Betriebsdrehzahl, Arbeitsdruck und Schwenkwinkel A method for determining the operating parameters operating speed, working pressure and swivel angle |
09/29/2005 | DE102004028643B3 Pump installations monitoring method for cooling agent circulation, involves transmitting condition parameters of pumps to central evaluating computer, and comparing parameters with thresholds to leave desired range for parameters |
09/21/2005 | EP1576289A1 Method and system for monitoring a reciprocating compressor |
09/13/2005 | US6944572 Apparatus for predicting life of rotary machine and equipment using the same |
09/13/2005 | US6941785 Electric fuel pump condition monitor system using electrical signature analysis |
09/07/2005 | EP1092131B1 Determining when fluid has stopped flowing within an element |
09/07/2005 | CN1664370A Method for judging whether key characteristics of a compressor are qualified or not by exhaust pressure comparison |
09/07/2005 | CN1664369A Automatic testing method for pressure fluctuation of lubricating pump of automobile |
08/30/2005 | US6937963 Method for avoiding irregular shutoff of production equipment and system for avoiding irregular shutoff |
08/24/2005 | CN1657896A Automatic testing method for universal performance of vehicle engine oil pump |
08/24/2005 | CN1657780A Method for deciding key characteristic of compressor by consumed time of timing exhaust volume |
08/24/2005 | CN1657779A Method for deciding key characteristic of compressor qualified or not by timing exhaust volume |
08/23/2005 | US6931925 Method for determining the current filling level of a liquid in a container |
08/18/2005 | US20050180868 System and method for power pump performance monitoring and analysis |
08/09/2005 | US6928389 Compressor performance calculator |
07/28/2005 | US20050165565 Compressor performance approximation using Bin Analysis data |
07/20/2005 | EP1554494A1 Fluid dispenser calibration system and method |
07/20/2005 | EP1131559B1 Apparatus and method for detection of a leak in a pump membrane |
07/13/2005 | EP1552146A2 Fluid delivery device, system and method |
07/12/2005 | US6916159 Device and method employing shape memory alloy |
07/07/2005 | US20050147508 Methods and apparatus for determining the presence or absence of a fluid leak |
06/30/2005 | WO2005059365A1 Temperature/pressure protective device |
06/30/2005 | WO2004098012A3 Active sensing and switching device |
06/16/2005 | US20050131654 Compressor performance calculator |
06/15/2005 | EP1540186A1 Condition monitoring of pumps and pump system |
06/15/2005 | CA2450766A1 A method and apparatus for monitoring and diagnosis of well progressing cavity pump systems |
05/26/2005 | US20050111989 Problem determination device and control device for fluid device |
05/26/2005 | US20050111988 Pump health monitoring |
05/26/2005 | US20050109099 Pump tester |
05/25/2005 | EP1533522A2 Problem determination device and control device for fluid device |
05/24/2005 | US6898551 System for predicting life of a rotary machine, method for predicting life of a manufacturing apparatus which uses a rotary machine and a manufacturing apparatus |
04/26/2005 | US6885972 Method for predicting life span of rotary machine used in manufacturing apparatus and life predicting system |
04/19/2005 | US6882960 System and method for power pump performance monitoring and analysis |
04/13/2005 | EP1522731A2 Pump health monitoring |
04/05/2005 | CA2303793C Apparatus and method for diagnosing the status of specific components in high-pressure fluid pumps |
03/17/2005 | US20050058548 Method of controlling fluid flow |
03/08/2005 | US6865513 Method for predicting life of rotary machine and determining repair timing of rotary machine |
02/22/2005 | US6859740 Method and system for detecting cavitation in a pump |
02/10/2005 | DE10331851A1 Controllable swash plate compressor for a motor vehicle's air conditioning has a swash plate in a crank chamber to be adjusted for angle on a drive shaft |
02/03/2005 | US20050025631 System and method for monitoring the mechanical condition of a reciprocating compressor |
02/01/2005 | US6848888 Sensor for a variable displacement pump |
01/05/2005 | EP1493981A2 Compressor diagnostic system |
01/05/2005 | EP1493980A2 Compressor diagnostic system |
12/23/2004 | US20040258533 Method of managing time, at which maintenance in a gas compressor multiple system should be carried out |
12/23/2004 | DE10323855A1 Axial compressor for automotive air conditioning system has drive shaft and pulley wheel incorporating permanent magnet in vicinity of torque sensor |
12/22/2004 | CN1181328C Refrigeration compressor performance determination device |
12/16/2004 | US20040250838 Wafer cleaning apparatus and method of anticipating malfunction of pump |
12/09/2004 | DE19546741B4 Meßadapter für Klimakompressoren Test adapter for air compressors |
12/09/2004 | DE10322194A1 Diagnosesystem und -verfahren für ein Ventil, insbesondere ein Rückschlagventil einer Verdrängerpumpe The diagnostic system and method for a valve, especially a check valve of a positive displacement pump |
12/07/2004 | US6829542 Pump and method for facilitating maintenance and adjusting operation of said pump |
12/01/2004 | CN1550943A Method of managing time, at which maintenance in system of a plurality of gas compressors should be carried out |
11/25/2004 | WO2004102052A1 Diagnostic system and method for a valve, especially a check valve of a positive displacement pump |
11/25/2004 | DE202004014254U1 Device for monitoring the oil level in a refrigeration compressor comprises a sensor arranged in the oil and emitting a temperature-dependent signal, heating elements, and an evaluation device monitoring the heating/cooling of the sensor |
11/24/2004 | EP1479912A1 Cabelless device for operational monitoring of a machine |
11/23/2004 | US6823289 Pump trouble diagnosing device for hydraulic drive device and display device of the diagnosing device |
11/18/2004 | US20040230384 Electric fuel pump condition monitor system using electrical signature analysis |
11/18/2004 | US20040226346 Early fault detection in pump valves |
11/17/2004 | EP1477678A2 Early detection of failures in pump valves |
11/17/2004 | EP1477677A1 Method of managing time, at which maintenance in system of a plurality of gas compressors should be carried out |
11/11/2004 | WO2004098012A2 Active sensing and switching device |
10/28/2004 | US20040213677 Monitoring system for reciprocating pumps |
10/28/2004 | US20040213676 Active sensing and switching device |
10/26/2004 | US6807855 Methods for testing fluid compressors |
10/07/2004 | DE10322220B3 Fault monitoring and automatic early fault detection method for valves, especially for an oscillating displacement pump, whereby the pump noise level is monitored over time for any change in comparison with a reference signal |
09/30/2004 | WO2004083801A1 Method and device for control of the capacity of a compressor |
09/30/2004 | US20040193384 Method and apparatus for measuring work performed by a compressor |
09/30/2004 | US20040191099 Reverse-ported pump |
09/28/2004 | CA2336305C Determining when fluid has stopped flowing within an element |
09/23/2004 | DE102004008182A1 Begrenzervorrichtung für Verstellkompressor Limiter for variable displacement |