| Patents for F04B 51 - Testing machines, pumps, or pumping installations (2,128) |
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| 06/27/2012 | CN102518583A Test bench for control oil pump of automatic transmission |
| 06/27/2012 | CN102518582A Abrasion test device for gas compressor |
| 06/27/2012 | CN102518581A Gas test method for testing open pressure of testing machine oil pump pressure-limiting valve |
| 06/27/2012 | CN102518580A Endurance test stand and endurance test method for vacuum pump |
| 06/27/2012 | CN101858341B Method and device for determining automotive cooling fan |
| 06/27/2012 | CN101469699B System for detecting oil pumping performance of engine oil pump |
| 06/20/2012 | CN202280609U 保护器性能试验工作台 Protection performance test bench |
| 06/20/2012 | CN202280608U Device for testing durability of steering pump |
| 06/20/2012 | CN101408859B Airflow sensing apparatus |
| 06/14/2012 | WO2012077363A1 Detection device for detecting wasted power consumption in fluid supply system, detection system, control program, and recording medium |
| 06/13/2012 | CN202273842U Test device for large-size centrifugal type cargo oil pump |
| 06/13/2012 | CN202273841U 一种恒压变量柱塞泵在线测量装置 One kind of constant pressure variable piston pump line measuring device |
| 06/13/2012 | CN102493954A On-line environment high-temperature test chamber for aviation kerosene hydraulic pump |
| 06/13/2012 | CN102011726B Durability test system for oil pump and test method of test system |
| 06/07/2012 | WO2012071955A1 Device for monitoring pumping oil cylinder stroke and method thereof, and method for optimizing arrangement of buffering holes |
| 06/07/2012 | US20120141301 Method and apparatus for predicting maintenance needs of a pump based at least partly on pump performance analysis |
| 06/06/2012 | CN202266402U 风室式进排气通用风机性能测试系统 Wind-chamber intake and exhaust fan performance universal testing system |
| 06/06/2012 | CN202266401U 一种高温气冷堆主冷却剂风机的保压检修密封实验台 One kind of primary coolant fan HTR dwell overhaul sealing bench |
| 06/06/2012 | CN101184989B Devices and methods for use in assessing a flow condition of a fluid |
| 06/05/2012 | CA2686688C Binarization technique for acoustic data analysis |
| 05/31/2012 | WO2012070947A1 Method for detection and localization of a fluid leak related to a piston machine |
| 05/31/2012 | CA2816485A1 Method for detection and localization of a fluid leak related to a piston machine |
| 05/30/2012 | CN202250773U Sensor for detecting medium and high rotating speeds of high-temperature magnetic pump |
| 05/30/2012 | CN202250772U Device for determining burst speed of slurry pump |
| 05/30/2012 | CN202250771U Test bench for lubricating oil pump of internal combustion engine |
| 05/30/2012 | CN102483047A 具有转子位置测量系统的泵 A rotor position measurement system of the pump |
| 05/30/2012 | CN102477978A 一种核级泵鉴定试验回路系统 Qualification Test, a nuclear-stage pump loop system |
| 05/30/2012 | CN102477977A 螺杆泵工况诊断方法 Screw condition diagnostic methods |
| 05/30/2012 | CN102477976A 压缩机测压装置 Compressor Pressure device |
| 05/30/2012 | CN102477848A 一种改善油井维护的工艺方法 A process for improving the well maintained |
| 05/30/2012 | CN101968051B Liquid nitrogen pump equipment loading test and testing device and test and testing method thereof |
| 05/30/2012 | CA2758421A1 Reciprocating compressor and methods for monitoring operation of same |
| 05/23/2012 | EP2454481A2 Pump with rotor position measurement system |
| 05/23/2012 | CN202228334U Device for on-line detecting of performance of axial flow fan |
| 05/23/2012 | CN202228333U Test system for airplane hydraulic motor pump |
| 05/23/2012 | CN202228290U Manual hydraulic pump |
| 05/23/2012 | CN102072145B Impinging diffusing device |
| 05/23/2012 | CN101915236B Carbon-dioxide gas compressor test device meeting cooler refrigerant side test requirement |
| 05/23/2012 | CN101915234B Method for diagnosing compressor-associated failure based on Bayesian network |
| 05/23/2012 | CN101737311B Method for measuring drainage pump output of low pressure heater system of thermal generator set based on energy balance |
| 05/23/2012 | CN101498298B Apparatus and method for measuring small-sized cold compressor oil circulation amount |
| 05/23/2012 | CN101498297B Continuous over loading test system for cold compressor |
| 05/18/2012 | WO2012062542A1 Method and system for identifying damage to piston membrane pumps containing working fluids |
| 05/16/2012 | CN102459914A 用于预测真空泵的转子旋转时的故障的方法及相关的抽吸装置 Method for predicting failure of the vacuum pump when the rotation of the rotor and associated suction means for |
| 05/16/2012 | CN102454589A Frequency conversion cooling tower fan running state monitoring and fault diagnosis remote monitor system |
| 05/16/2012 | CN102454588A Electric fan sampling device |
| 05/09/2012 | CN202215468U Device for testing performance and energy efficiency of air compressor by simulating all-weather working conditions |
| 05/09/2012 | CN102449309A System and method for determining health indicators for impellers |
| 05/09/2012 | CN102444572A Electric fan sampling device |
| 05/09/2012 | CN102444571A Fan testing system |
| 05/08/2012 | US8172800 Device and method employing shape memory alloy |
| 05/02/2012 | EP2446147A1 Method for predicting a rotation fault in the rotor of a vacuum pump, and associated pumping device |
| 05/02/2012 | CN102434445A Axial force measurement device and test method of magnetic pump under instant high temperature difference environment |
| 04/25/2012 | EP2300713B1 Method and device for conveying compressed gas |
| 04/25/2012 | CN202203100U 一种消防水泵出水管道试验装置 One kind of fire pumps water pipe testing apparatus |
| 04/25/2012 | CN202203067U 智能手动试压泵 Smart manual pressure test pump |
| 04/25/2012 | CN102425540A 汽蚀罐 Cavitation tank |
| 04/19/2012 | WO2012048524A1 Liquid nitrogen pump equipment load testing and experimenting apparatus and testing and experimenting method thereof |
| 04/19/2012 | CA2814171A1 Liquid nitrogen pump equipment load testing and experimenting apparatus and testing and experimenting method thereof |
| 04/18/2012 | EP2440784A1 Method and apparatus for predicting maintenance needs of a pump based at least partly on pump performance analysis |
| 04/18/2012 | CN102418691A 一种新的全自动检测泵失效的方法 A new method for automatic detection of pump failure |
| 04/11/2012 | CN202187899U 一种恒压变量泵容积效率在线检测装置 One kind of constant pressure variable volumetric efficiency of the pump line detection device |
| 04/11/2012 | CN202187898U 一种压力机气动泵检测装置 One kind of presses, pneumatic pumps detection device |
| 04/05/2012 | US20120083730 Variable Volume, Shape Memory Actuated Insulin Dispensing Pump |
| 04/04/2012 | CN202182017U 用于循环水泵的安全监控系统 Circulating pump for safety monitoring system |
| 04/04/2012 | CN202182016U 齿轮泵试验台 Gear pump test bench |
| 04/04/2012 | CN102400903A 用于检测压缩机中的喘振和重设喘振裕度的装置和方法 Apparatus and method for detecting compressor surge and reset the surge margin for |
| 04/04/2012 | CN102400902A 往复式压缩机性能状态可靠性评价方法 Reciprocating compressor performance status reliability evaluation method |
| 04/04/2012 | CN102397616A 一种呼吸机传感器的自动校准方法 An automatic sensor calibration method ventilator |
| 03/28/2012 | CN202176500U 一种航空发动机驱动泵的污染加速寿命试验台架 One kind of aero-engine driven pump contaminated accelerated life test bench |
| 03/28/2012 | CN202174406U 水泵自动流转装配线 Automatic transfer pump assembly |
| 03/28/2012 | CN102392816A FPGA (field programmable gate array) based system and method for measuring speed of fan |
| 03/21/2012 | CN202170863U 油泵跑合装置 Pump run-in device |
| 03/21/2012 | CN102384079A Vacuum detection device of oil pump |
| 03/14/2012 | CN202166624U 一种散热器及风机性能测试装置 Radiator and fan performance testing device |
| 03/07/2012 | CN202157950U 一种逆循环屏蔽泵循环流量测量装置 One kind of reverse circulation pump circulation flow measuring device shield |
| 03/07/2012 | CN202157949U 一种水泵试验台可调整底座 One kind of pump test bench adjustable base |
| 03/07/2012 | CN101666310B Work condition detector for magnetic suspension oil-well pump |
| 02/29/2012 | CN202152724U 油泵真空检测装置 Vacuum pump detecting device |
| 02/29/2012 | CN101979878B Method for testing fluid pumping capacity of oil seal |
| 02/22/2012 | CN202149016U 电动燃油泵测试装置 Electric fuel pump test device |
| 02/22/2012 | CN102359880A Detecting method of performances of four quadrant working of hydraulic pump motor |
| 02/22/2012 | CN101922447B 多头液压泵测试装置 Long hydraulic testing device |
| 02/15/2012 | CN202144784U 一种用于检测洗净器泵性能的装置 An apparatus for detecting the properties of the washing pump |
| 02/15/2012 | CN202144783U 压力表安装结构 Gauge mounting structure |
| 02/15/2012 | CN202144782U 泥浆泵泵冲流量测量系统 Red mud pump pump flow measurement system |
| 02/15/2012 | CN102352835A Oil quantity testing device for oil pump |
| 02/15/2012 | CN102352833A Bus-type intelligentized digitalizer for detecting performances of swimming pool water pump |
| 02/08/2012 | EP2414681A2 System and method for determining health indicators for impellers |
| 02/08/2012 | CN202140297U 一种组合抽吸式压气机叶栅实验装置 A combination suction-type compressor cascade experimental apparatus |
| 02/08/2012 | CN202140296U 泵性能试验台上泵的连接装置 Connecting device pumps pump performance test stand |
| 02/08/2012 | CN202140295U 泵性能试验台 Pump Performance Test Bench |
| 02/08/2012 | CN102345592A Automatic pressing pump test device |
| 02/08/2012 | CN102345591A Pressure-maintaining maintenance seal experiment table |
| 02/08/2012 | CN102345590A Water pump sticking detection method |
| 02/01/2012 | CN202133304U 斜盘式轴向柱塞变量泵测试设备的冷却系统 Cooling system swash plate axial piston variable pump test equipment |
| 02/01/2012 | CN102338075A Performance test device and test method for refrigeration compressor |
| 02/01/2012 | CN102338074A Sealing type test device and method applicable to various types of oil pumps |
| 01/25/2012 | CN202125423U Property testing device of fuel pump |
| 01/25/2012 | CN101929457B Mini-fan performance test system based on human-computer interaction interface |