Patents for F04C 28 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids (4,928)
08/2014
08/06/2014CN203756526U 双级压缩机 Two-stage compressor
08/06/2014CN203756525U 双级压缩机 Two-stage compressor
08/06/2014CN103967794A 一种单转子压缩机的振动补偿方法及控制器 A single-rotor compressor vibration compensation method and controller
08/06/2014CN103967793A 基于汽轮机直接驱动的螺杆压缩机及驱动方法 Turbine direct drive screw compressor and driving method based on
08/06/2014CN101821508B 变速压缩机保护系统和方法 Variable-speed compressor protection system and method
07/2014
07/31/2014DE102013021251A1 Fluidenergiemaschine und Verfahren zu deren Betrieb Fluid energy machine and method for its operation
07/30/2014EP2758669A1 MANUAL Vi ADJUSTMENT MECHANISM FOR SCREW COMPRESSORS
07/30/2014CN203742993U 一种双温双控的螺杆压缩机 A dual temperature and dual control of screw compressors
07/30/2014CN203742992U 一种螺杆压缩机组 A screw compressor
07/30/2014CN203742991U 一种螺杆式空气压缩机能效提升结构 A screw-type air compressor energy efficiency improvements structure
07/30/2014CN203742989U 一种汽车自制压缩空气装置 An automobile homemade compressed air device
07/30/2014CN203742988U 一种小型固定式汽油驱动螺杆压缩机 A small gasoline-powered stationary screw compressors
07/30/2014CN103953546A 压缩机的控制装置及具有其的压缩机控制系统 Control device and a compressor control system has its compressor
07/29/2014US8790098 Compressor having output adjustment assembly
07/23/2014CN203730320U 滑阀组件及包含该滑阀组件的压缩机 The slide valve assembly and the slide valve assembly comprising a compressor
07/23/2014CN103939375A 用于压缩机的排气机构及具有该排气机构的压缩机 And an exhaust mechanism for a compressor having a compressor of the exhaust mechanism
07/23/2014CN103939346A 容量调节机构检测装置及其检测方法 Capacity adjustment mechanism detecting device and detection method
07/23/2014CN103939345A 一种针对双螺杆压缩机的轴向力自动调节装置及调节方法 An apparatus and method for automatic adjustment for adjusting the axial force of the twin-screw compressor
07/23/2014CN102536823B 变频螺旋式压缩机的可变容量与可变排气压力的控制方法 Frequency control method for a variable capacity screw compressor, the discharge pressure of the variable
07/17/2014DE102013200410A1 Gaspumpe mit Druckentlastung zur Reduzierung des Anfahrdrehmoments Gas pump with pressure relief to reduce the starting torque
07/16/2014EP2754896A1 Gas pump with pressure relief for reducing start-up torque
07/16/2014CN203717345U 容量控制型旋转式压缩机及具有其的制冷循环装置 Capacity control type rotary compressor and the refrigeration cycle apparatus having the same
07/16/2014CN103925215A 一种智能化水自动循环移动式单螺杆无油空气压缩机机组 An intelligent automatic cycle moves water single-screw oil-free air compressor unit
07/15/2014CA2760487C Diagnostic system
07/10/2014DE102010053280B4 Kompressorleistunggssteuerungsverfahren und Vorrichtung zur Leistungssteuerung eines Kompressors Kompressorleistunggssteuerungsverfahren and apparatus for power controlling a compressor
07/09/2014CN203702563U 一种螺杆空压机的温控阀 A screw compressor thermostatic valve
07/09/2014CN103912500A 卧式旋转式压缩机 Horizontal rotary compressor
07/09/2014CN101713397B 压缩机保护和诊断系统 Compressor protection and diagnostic systems
07/08/2014US8770955 Adjustable rotary pump with reduced wear
07/02/2014CN203685587U 液冷冷却器的动密封装置及其冷却器 Seals for liquid-cooled chiller and cooler
07/02/2014CN203685585U 一种螺杆空气压缩机冷却节能装置 A screw air compressor cooling energy-saving devices
07/02/2014CN203685576U 煤矿用移动空压机的机械式自动加卸载控制系统 Mine mobile air compressor mechanical control automatic loading and unloading systems
07/02/2014CN203685575U 空压机压力检测控制装置 Air compressor pressure measurement and control devices
07/02/2014CN203685574U 变频螺杆压缩机的电气控制系统 Electrical control system inverter screw compressor
07/01/2014US8764414 System for detecting contaminants in an intake flow of a compressor
06/2014
06/25/2014EP2746584A1 Disconnectable Drive For A Vacuum Pump
06/25/2014CN203670208U 一种快速检测油气分离桶压差的装置 An apparatus for separating barrels of oil and gas pressure for rapid detection
06/25/2014CN103883527A 旋转式压缩机及具有其的制冷循环装置 Rotary compressor and the refrigeration cycle apparatus having the same
06/25/2014CN103883525A 双级压缩机 Two-stage compressor
06/25/2014CN103883524A 强制冷却方式的一体式小型汽移动油驱动空气螺杆压缩机 Forced cooling-one small steam-driven mobile air screw compressor oil
06/19/2014WO2014090873A1 Method for controlling a compressor of a vehicle
06/19/2014WO2014052192A3 Apparatus and method for enhancing compressor efficiency
06/18/2014EP2742241A2 Scroll pump
06/18/2014DE102012024704A1 Rollkolbenverdichter mit veränderbarer Förderleistung Rotary compressor with variable capacity
06/18/2014CN103867451A High-temperature waste heat recovery machine and process for screw type air compressor
06/18/2014CN103867449A Compressor oil supply system and control method
06/18/2014CN103867443A Variable capacity control method of single-cylinder frequency conversion compressor
06/18/2014CN103867441A Double-stage compressor
06/18/2014CN103867436A Vacuum pump in particular roots type pump
06/17/2014US8753095 Pumping system and method of operation
06/11/2014CN203641015U 具有温度控制装置的螺杆空压机余热回收系统 Screw air compressor waste heat recovery system has a temperature control device
06/11/2014CN203641008U 一种自动调节压缩比的旋转活塞式空气压缩机 An automatic adjustment of the rotary compression ratio piston air compressor
06/11/2014CN203641004U 单螺杆空气压缩机 Single screw air compressors
06/11/2014CN103857915A Manual Volume Raitio Adjustment Mechanism For Screw Compressors
06/11/2014CN103857914A Pump
06/11/2014CN102384088B Eddy compressor control system and method based on torque and flow intelligent soft measurement
06/11/2014CN102356239B Rotary vacuum pump with a device for decoupling the driving motor
06/05/2014US20140154123 Scroll Pump
06/05/2014US20140154119 Internal gear pump
06/04/2014CN103835952A Air cylinder energy adjusting device of compressor
06/04/2014CN103835944A Scroll compressor and restarting method thereof
06/04/2014CN102330687B Method for controlling compressor load during normal operation of screw type compression multi-split air conditioner
05/2014
05/28/2014CN203614423U 一种高效节能双功能螺杆式空气压缩机 An energy efficient dual-function screw air compressors
05/28/2014CN203614405U 聚醚试验装置真空系统 Polyether vacuum system test device
05/28/2014CN103821720A 大型氦制冷机螺杆压缩机组除油系统工作时间的计时方法 Large helium refrigerator screw compressor oil system operating time of timing method
05/28/2014CN103821719A 容量控制型旋转式压缩机及具有其的制冷循环装置 Capacity control type rotary compressor and the refrigeration cycle apparatus having the same
05/28/2014CN102434462B 一种基于流量监测的移动式压缩机节油系统 A traffic monitoring system based on fuel-efficient portable compressors
05/28/2014CN102099582B 真空泵、特别是罗茨泵 A vacuum pump, in particular vacuum pumps
05/22/2014US20140140876 Compressor with service valve assembly
05/21/2014EP2732165A1 Screw compressor
05/21/2014CN203604209U 混凝土喷射机械手速凝剂泵无级调速控制装置 Shotcrete robot accelerator pump variable speed control device
05/21/2014CN103807166A 涡旋压缩机 Scroll Compressor
05/21/2014CN102400917B 一种降低封闭式永磁压缩机震动和噪音的方法 A method of reducing vibration and noise of the compressor hermetic permanent magnet Method
05/15/2014WO2014072276A1 Vacuum pump system for evacuating a chamber, and method for controlling a vacuum pump system
05/15/2014WO2014012896A3 Method and device for pumping of a process chamber
05/15/2014US20140134033 Scroll compressor
05/15/2014US20140134032 Scroll compressor
05/14/2014EP2730742A2 Scroll compressor with rotation restriction mechanism
05/14/2014EP2730741A2 Scroll compressor with rotation restriction mechanism
05/14/2014CN203594605U 机泵启停轮控装置 Pump start and stop wheel control device
05/14/2014CN102220982B 单转子压缩机转矩补偿方法及装置 Single-rotor compressor torque compensation method and apparatus
05/14/2014CN101535651B 用于消散真空泵装置中的自燃灰尘的方法 Vacuum device to dissipate the dust spontaneous combustion method for
05/08/2014WO2013068531A3 Controllable vane compressor
05/08/2014US20140129037 Apparatus and Method of Referencing a Sucker Rod Pump
05/07/2014CN203584816U 真空泵自动补给简易开关 Simple supply pump automatically switches
05/05/2014DE202013000913U1 Vakuumpumpe insbesondere Wälzkolbenpumpe Vacuum pump especially Roots
05/01/2014WO2014064974A1 Rotary compressor
05/01/2014US20140119966 Method for rotary positive displacement pump protection
04/2014
04/30/2014CN103765011A System and method for controlling a variable speed drive of a compressor motor
04/23/2014CN102287373B Screw gas booster
04/17/2014WO2014058477A1 MANUAL Vi ADJUSTMENT MECHANISM FOR SCREW COMPRESSORS
04/17/2014US20140105757 System and method of remotely connecting and disconnecting the auxiliary power supply of a frequency inverter for variable capacity compressor employed in cooling systems
04/17/2014US20140105754 Control method of electric compressor controller and refrigerator
04/16/2014CN203548214U Multifunctional detection device for high-vacuum multistage roots pump
04/16/2014CN203548212U Rotating compressor
04/16/2014CN203548202U Capacity modulated scroll compressor
04/16/2014CN103732922A Scroll pump
04/16/2014CN103727036A Precise adjustment system for vacuum degree of giant vacuum chamber
04/16/2014CN103726955A System and method for controlling a vacuum pump that is used to check for leaks in an evaporative emissions system
04/10/2014WO2013092456A3 Scroll compressor having an axially slidable scroll spiral
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