| Patents for F04B 51 - Testing machines, pumps, or pumping installations (2,128) |
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| 05/06/2010 | US20100114029 Device and Method Employing Shape Memory Alloy |
| 05/06/2010 | US20100114028 Device and Method Employing Shape Memory Alloy |
| 05/06/2010 | DE102008043405A1 Verfahren zur Prüfung der Funktionsfähigkeit einer Pumpe Method for testing the operability of a pump |
| 04/28/2010 | CN201443501U Starting performance detector for single-phase compressors |
| 04/28/2010 | CN101699070A Intelligent vacuum water-filling detector of centrifugal water pump and method thereof |
| 04/22/2010 | US20100100042 Device and Method Employing Shape Memory Alloy |
| 04/22/2010 | US20100100041 Device and Method Employing Shape Memory Alloy |
| 04/21/2010 | CN201439750U Air pump testing system of engine |
| 04/21/2010 | CN101696685A Impeller overspeed testing apparatus |
| 04/21/2010 | CN101696684A Self-circulation table-type pump performance experiment system |
| 04/20/2010 | CA2618313C Detecting obstructions in enteral/parenteral feeding tubes and automatic removal of clogs therefrom |
| 04/14/2010 | CN101694212A Pump and pump station integrated tester |
| 04/01/2010 | WO2010034632A1 Method for early detection of damage to valves in oscillating displacement pumps and oscillating displacement pumps comprising a built-in sensor system for using in said method |
| 04/01/2010 | DE102008037393A1 Verfahren zur Früherkennung von Ventilschäden in oszillierenden Verdrängerpumpen und oszillierende Verdrängerpumpen mit integrierter Sensorik zur Verwendung in diesen Verfahren Method for the early detection of valve damage in oscillating positive displacement pumps and oscillating displacement pumps with integrated sensors for use in these proceedings |
| 03/31/2010 | CN201433884Y Emulsion pump testing system |
| 03/25/2010 | US20100076371 Device and method employing shape memory alloy |
| 03/18/2010 | US20100068072 Device and Method Employing Shape Memory Alloy |
| 03/11/2010 | US20100063449 Device and method employing shape memory alloy |
| 03/11/2010 | US20100063446 Device and Method Employing Shape Memory Alloy |
| 03/10/2010 | CN201420668Y Fan fault detection device |
| 03/10/2010 | CN101666310A Work condition detector for magnetic suspension oil-well pump |
| 03/04/2010 | US20100057038 Device and Method Employing Shape Memory Alloy |
| 03/04/2010 | US20100057007 Device and Method Employing Shape Memory Alloy |
| 03/03/2010 | CN201416532Y Balance leak detector of water pump |
| 02/25/2010 | US20100049133 Device and method employing shape memory alloy |
| 02/25/2010 | US20100049132 Device and method employing shape memory alloy |
| 02/25/2010 | US20100049131 Device and method employing shape memory alloy |
| 02/25/2010 | US20100049130 Device and method employing shape memory alloy |
| 02/24/2010 | CN201413163Y Integrative device for real-time flow/efficiency measurement and calculation of water pump |
| 02/24/2010 | CN201412315Y Oil pump testing stand jig |
| 02/24/2010 | CN101655086A Downhole indicator diagram testing device of sucker-rod pump in pumping well |
| 02/17/2010 | CN101649833A Mechanical seal test device for nuclear main pump |
| 02/17/2010 | CN101649832A Compressor testing device meeting test at refrigerant side of refrigeration air-conditioning evaporator |
| 02/17/2010 | CN101649831A Performance testing device of carbon dioxide refrigeration compressor for refrigeration systems |
| 02/17/2010 | CN101649830A Experimental system for transient property of extreme working condition of centrifugal pump |
| 02/04/2010 | DE102008035954A1 Verfahren und Vorrichtung zum Überwachen einer Verdrängermaschine Method and apparatus for monitoring a displacement |
| 02/03/2010 | EP2149706A2 Method and device for monitoring a displacement machine |
| 02/03/2010 | CN201396268Y Circulating water tank used for detecting large-flow pump |
| 02/03/2010 | CN201396267Y Enhanced type pump seal leakage detecting device |
| 02/02/2010 | US7654976 Drug pump systems and methods |
| 02/02/2010 | CA2345854C Pump and method for facilitating maintenance and adjusting operation of said pump |
| 01/23/2010 | CA2673163A1 Method and apparatus for monitoring the performance of a compressor |
| 01/20/2010 | CN201386646Y Piston air refrigeration compressor indicator diagram testing device |
| 01/20/2010 | CN201386637Y Full voltage direct current draught fan suitable for stepless speed regulating driving |
| 01/14/2010 | US20100008794 Device and Method Employing Shape Memory Alloy |
| 01/13/2010 | EP2143947A1 Micropump |
| 01/13/2010 | CN201381979Y Performance test system of refrigeration compressor |
| 01/13/2010 | CN201381978Y Test system of compressor |
| 01/13/2010 | CN100580252C Pump efficiency monitoring and detecting method |
| 01/06/2010 | CN201377415Y Electrical control device for high-power slurry pump testing stand |
| 01/05/2010 | CA2346930C Detecting obstructions in enteral/parenteral feeding tubes and automatic removal of clogs therefrom |
| 12/23/2009 | EP2136078A1 Test bench for pumping units and relative method |
| 12/23/2009 | CN201368012Y Fan rotation speed detecting device |
| 12/23/2009 | CN101608615A System and method for automatically measuring property of vapor stream vacuum pump |
| 12/22/2009 | CA2487835C Speed and fluid flow controller |
| 12/16/2009 | CN101603527A Emulsion pump testing system |
| 12/10/2009 | WO2009147426A1 Vacuum pumping systems |
| 12/03/2009 | WO2009143547A1 Method and device for conveying compressed gas |
| 12/02/2009 | EP2128445A2 Method and apparatus for verifying a leak in connection with a flow inhibitor |
| 12/02/2009 | CN201354728Y Wear monitor of multistage centrifugal pump balancing system |
| 12/01/2009 | CA2501825C Fluid delivery device, system and method |
| 11/25/2009 | CN201351593Y Water pump reliability detecting test stand |
| 11/24/2009 | US7623986 System and method for power pump performance monitoring and analysis |
| 11/24/2009 | US7621179 Diagnostic system and method for a valve, especially a check valve of a positive displacement pump |
| 11/18/2009 | EP2118501A1 Method for automatically determining the state of a hydraulic aggregate |
| 11/18/2009 | CN101583798A Pump integrity monitoring |
| 11/18/2009 | CN101581295A Airborne hydraulic pump source fault diagnosis system based on DSP |
| 11/18/2009 | CN101581294A Condensation heat-recovering type performance test system for refrigeration compressors |
| 11/11/2009 | CN201344886Y Abrasion testing device for canned motor pump |
| 11/11/2009 | CN201344112Y Performance testing device of continuously variable transmission oil pump |
| 11/11/2009 | CN101576075A Device and method for measuring built-in low-temperature pumping speed |
| 10/28/2009 | EP1966490B1 Micropump |
| 10/28/2009 | CN100555239C Apparatus for measuring air quantity of computer fan |
| 10/21/2009 | CN201330698Y Quick clamping device for performance inspection of automobile water pump |
| 10/21/2009 | CN101563541A System and method for operation of a pump |
| 10/20/2009 | CA2502925C Fluid dispenser calibration system and method |
| 10/14/2009 | CN201327452Y Tooling mechanism for detecting oil return rate and oil return time of large-scale truck air conditioning system |
| 10/07/2009 | CN201321970Y Multi-bench device of water pump test bench |
| 10/07/2009 | CN100547243C Hydraulic pump test stand |
| 10/07/2009 | CN100547242C Portable fire pump on-line nondestructive tester and testing method |
| 10/06/2009 | CA2355754C System for remote diagnosis of the state of wear of the suction and delivery valves of reciprocating compressors |
| 10/01/2009 | US20090241642 Method for Determination of a Leakage on a Piston Machine |
| 09/30/2009 | CN101545818A Turbo-charger single-stage prototype centrifugal compressor interstage pressure test structure |
| 09/30/2009 | CN101545481A Multifunctional pump system test bed and control method thereof |
| 09/23/2009 | CN201314292Y Data display device for water pump performance test bed |
| 09/23/2009 | CN101539137A Residual life gray prediction method of aerospace hydraulic pump based on delta filter |
| 09/02/2009 | CN201301800Y Fast clamping device for pump test |
| 08/26/2009 | EP2092196A2 System and method for operation of a pump |
| 08/19/2009 | CN101509483A Combination property test desk for oil pump and its use method |
| 08/19/2009 | CN101509482A Oil pump hot oil test desk and its use method |
| 08/05/2009 | CN101498298A Apparatus and method for measuring small-sized cold compressor oil circulation amount |
| 08/05/2009 | CN101498297A Continuous over loading test system for cold compressor |
| 08/05/2009 | CN101498296A Measuring means for oilfield oil pump indicating diagram without load transducer |
| 07/29/2009 | CN201281013Y Lubricating oil pump performance test desk |
| 07/29/2009 | CN201281012Y Aviation high-pressure fuel pump test system |
| 07/22/2009 | CN101487466A On-line soft measuring method for compression ratio and polytropic efficiency of centrifugal compressor |
| 07/22/2009 | CN101487465A Oil pump performance detection tester for continuously variable transmission |
| 07/22/2009 | CN100516520C Method and equipment for testing performance of feeding oil of fuel pump in car |
| 07/16/2009 | US20090182276 Fluid Delivery Device with Autocalibration |
| 07/16/2009 | US20090179044 Fluid Delivery Device with Autocalibration |