| Patents for F04B 51 - Testing machines, pumps, or pumping installations (2,128) |
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| 02/13/2013 | CN102926984A Floating type reciprocating compressor fault simulation test bench |
| 02/13/2013 | CN102926983A State inspection system for compressor unit |
| 02/13/2013 | CN102926982A Concealed pressure gauge of portable inflator |
| 02/13/2013 | CN102926958A Oblique shaft type cylinder hydraulic pump |
| 02/06/2013 | CN102913432A Reciprocating compressor fault diagnosis method based on dimensionless indexes |
| 02/06/2013 | CN102913431A Large and small head tile fault diagnosis method of reciprocated compressor connecting rod based on simulated indicator diagram |
| 02/06/2013 | CN102913430A Simulation test method and simulation test system of heavy oil conveying screw pump |
| 02/06/2013 | CN102913429A Oil pump running-in device |
| 02/06/2013 | CN102913428A Fan module testing system |
| 02/06/2013 | CN101351642B Micropump |
| 01/30/2013 | CN202707460U Non-blocking and blocking detection device for oil pipe of automotive oil pump |
| 01/30/2013 | CN102900660A Test method for testing terminal efficiency of integral reciprocating natural gas compressor unit |
| 01/23/2013 | CN202690404U Compressor safety test system |
| 01/23/2013 | CN202690403U Speed sensor of automobile air conditioning compressor |
| 01/23/2013 | CN101936289B Device and method for emergency stop protection and periodic test of steam main feed pump |
| 01/16/2013 | CN202673658U Main draining pump for mine |
| 01/16/2013 | CN202673657U Static seal detection device of automobile water pump water seal |
| 01/16/2013 | CN202673656U High-pressure test device for diaphragm compressor |
| 01/16/2013 | CN202673655U Energy-saving hydraulic test bench |
| 01/16/2013 | CN202673654U On-line fault intelligent diagnosis device of drilling pump |
| 01/16/2013 | CN202673653U Air compressor vacuum pump overall performance experimental table |
| 01/16/2013 | CN202673640U Intelligent piezoelectric stack pump based on pump chamber liquid pressure measurement |
| 01/16/2013 | CN102878066A Life testing device for air compressor |
| 01/09/2013 | CN102865219A Direct-drive high-pressure pumping seal internal-leakage online monitoring method |
| 01/09/2013 | CN102865218A Accurate measuring method and equipment for coaxiality of concrete mechanical pumping system |
| 01/08/2013 | CA2486126C Monitoring system for reciprocating pumps |
| 01/02/2013 | CN202645971U Analog test bed for air compressor |
| 01/02/2013 | CN202645970U Portable clamping test bench |
| 01/02/2013 | CN202645969U Oiling testing device of air compressor |
| 01/02/2013 | CN202645968U Fatigue test bed for electric air compressor |
| 01/02/2013 | CN102852782A Large-scale water pump unit and working condition adjusting mode accurate quantitative model-selection method |
| 01/02/2013 | CN102852781A Performance parameter measuring device for sand draining pump |
| 01/02/2013 | CN102852780A Method and device for detecting hydraulic drive pump |
| 01/02/2013 | CN102135090B Device for detecting efficiency of high-pressure centrifugal water pump on line |
| 01/02/2013 | CN101871448B New method and system for determining characteristic curve of water pump in pump station |
| 01/01/2013 | US8343093 Fluid delivery device with autocalibration |
| 12/27/2012 | CA2744324A1 System and method for determination of polished rod position for reciprocating rod pumps |
| 12/26/2012 | CN202628483U Pumping machine of automotive air condition compressor |
| 12/26/2012 | CN202628482U Automatic blower fan performance testing system |
| 12/26/2012 | CN102840124A Validation of working fluid parameter indicator sensitivity in system with centrifugal machines |
| 12/26/2012 | CN102072142B Method for testing anti-seizing property of oil pump |
| 12/19/2012 | CN202612066U Fault diagnosis device of piston type air compressor |
| 12/19/2012 | CN202612065U Fault diagnosis device of reciprocating compressor |
| 12/19/2012 | CN202612064U Fault diagnosis apparatus for water pump |
| 12/19/2012 | CN101918715B A method and apparatus for testing the piston of an injection pump |
| 12/12/2012 | CN202597059U Angle indicator in pin transmission |
| 12/12/2012 | CN202597056U Endurance test device of piston-type refrigeration compressor |
| 12/12/2012 | CN202597055U Hydraulic oil pump test bed hydraulic system |
| 12/12/2012 | CN202597054U Driving device of forklift oil feed pump test bench |
| 12/12/2012 | CN202597053U Delivery performance and life test device system for gear oil pump |
| 12/12/2012 | CN202597052U Transformer cooling fan group fault detecting system based on acoustics |
| 12/12/2012 | CN102817824A Fan testing method and system |
| 12/12/2012 | CN102207078B Method for detecting pushing liquid discharge and supplement of piston diaphragm pump |
| 12/05/2012 | CN202579144U Spinning oil pump oil outflowing test system |
| 12/05/2012 | CN202579143U Pressure and flow testing device of high-pressure pump |
| 12/05/2012 | CN102808760A Testing device for three-level fluid dynamic pressure mechanical seal |
| 12/05/2012 | CN102808754A Cryopump control apparatus, cryopump system, and method for evaluating vacuum retention of cryopumps |
| 12/05/2012 | CN102032164B Butting method and butting device of fixed type diagram sensor |
| 11/28/2012 | CN202560533U Digital display pressure difference controller of ammonia pump |
| 11/28/2012 | CN202560532U Remote monitoring system for monitoring and fault diagnosis of running states of variable-frequency cooling tower fan |
| 11/28/2012 | CN102797671A Fault detection method and device of reciprocating compressor |
| 11/28/2012 | CN102797670A Screw air compressor mainframe performance detection device |
| 11/28/2012 | CN101907089B Fault diagnosis method of compressor shafting based on three-dimensional space axle center orbit |
| 11/21/2012 | CN202545213U Device for detecting overall performance of electronic vacuum pump |
| 11/21/2012 | CN202545212U Pump performance test bed fixing device |
| 11/21/2012 | CN202545211U Hydraulic pump testing system capable of controlling oil liquid temperature |
| 11/21/2012 | CN102788008A Forced circulation pump testing apparatus structure for boiler for thermal power station |
| 11/21/2012 | CN102788007A Dry flow test method and test device |
| 11/21/2012 | CN102022455B Detection device of idle stroke of clutch master cylinder |
| 11/14/2012 | CN102777372A Static-pressure sealing detection device of automobile water pump water seal |
| 11/14/2012 | CN102777371A Durability test mechanism and durability test method for vehicle vacuum pump |
| 11/14/2012 | CN102777370A Realization method of LabVIEW-based high-pressure pump performance testing system |
| 11/14/2012 | CN102777368A Air compressor controller capable of realizing dynamic monitoring and air compressor thereof |
| 11/07/2012 | CN202520530U Flow measurement device of metering pump |
| 11/07/2012 | CN102094804B Device and method for monitoring bearing wear of magnetic pump |
| 10/31/2012 | CN202510337U Performance testing system for direct-current water pump used in electric automobile |
| 10/31/2012 | CN101922446B Gas cooler for positive displacement refrigerant compressor test unit |
| 10/24/2012 | EP2513470A2 Method for determining the displacement of a radial piston machine |
| 10/24/2012 | CN202500758U A diaphragm pump on-line detection system |
| 10/24/2012 | CN102748276A Test bench for sealing property of water pump |
| 10/24/2012 | CN101696685B Impeller overspeed testing apparatus |
| 10/17/2012 | CN102734149A Compressor performance testing system |
| 10/17/2012 | CN102734148A Water pump type test method |
| 10/17/2012 | CN102734147A System and method for comprehensively testing performance of vacuum pumps |
| 10/17/2012 | CN102052294B Method for detecting reliability of power steering oil pump of automobile |
| 10/17/2012 | CN101189431B Variable volume, shape memory actuated insulin dispensing pump |
| 10/11/2012 | US20120257989 Method and system of submersible pump and motor performance testing |
| 10/10/2012 | CN202484447U Movable vibration attenuation pipeline support device for pump performance testing |
| 10/10/2012 | CN202483853U Water pump delivery inspection device |
| 10/10/2012 | CN102720667A Method and device for testing opening pressure of pressure-limiting valve of oil pump |
| 10/03/2012 | CN202468265U Automobile steering pump test-table oil blowing device |
| 10/03/2012 | CN202468264U Proportional loading system for test equipment |
| 10/03/2012 | CN202468263U Pressure time (PT) pump electronic testing platform |
| 10/03/2012 | CN202468262U Small pressure testing device |
| 10/03/2012 | CN101984256B Load increasing and reducing device of air compressor |
| 09/26/2012 | CN202451516U Multifunctional test stand for hydraulic cylinder and hydraulic oil pump of automobile |
| 09/26/2012 | CN202451413U Power-recovery-type automatic tracking system for variable of hydraulic pump/motor |
| 09/26/2012 | CN202451412U Test device of oil pump of automobile gear box |
| 09/26/2012 | CN202451410U Automatic control system for test on hydraulic fixed displacement pump/motor |
| 09/26/2012 | CN102695871A Method for determining the displacement of a radial piston machine |