| Patents for F04C 28 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids (4,928) |
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| 03/03/2015 | US8967987 Scroll compressor having at least one bypass hole |
| 03/03/2015 | US8967984 Rotary compressor |
| 02/17/2015 | US8956132 Compressor |
| 02/17/2015 | US8956129 Electric compressor |
| 02/17/2015 | US8956128 Spherical expansion compressor adapted to variable working conditions |
| 02/12/2015 | US20150044083 Variable capacity type vane pump |
| 02/11/2015 | CN204152799U 压缩机和具有其的空调系统 Compressors and air-conditioning system has its |
| 02/11/2015 | CN104343685A 压缩机 Compressor |
| 02/04/2015 | CN204140411U 空调系统及其压缩机 Air conditioning systems and compressors |
| 02/03/2015 | US8944788 Net-displacement control of fluid device |
| 01/29/2015 | US20150030490 Bearing Housing and Assembly of a Screw Compressor |
| 01/29/2015 | US20150030489 Variable Capacity Screw Compressor and Method |
| 01/28/2015 | CN104314824A 压缩机和具有其的空调系统 Compressors and air-conditioning system has its |
| 01/28/2015 | CN104314817A 具有容量调制组件的压缩机 Has the capacity modulation compressor components |
| 01/28/2015 | CN104314816A 单向阀门式导管吸收泵 One-way valve conduit absorbed pump |
| 01/28/2015 | CN104314809A 具有容量调制组件的压缩机 Has the capacity modulation compressor components |
| 01/28/2015 | CN102748293B 一种变级或变缸变排量的压缩机及其控制方法 A variable level or variable cylinder variable displacement compressor and control method |
| 01/21/2015 | EP2825775A1 Positive displacement pump |
| 01/21/2015 | CN104302922A 用于排空腔室的泵装置和方法 Pump apparatus and method for emptying the chamber |
| 01/21/2015 | CN104302916A 用于同时吸入和排出流体的包括配对可摆动的叶片组件的泵和/或压缩机装置 For simultaneous suction and discharge of fluid includes a blade assembly paired swingable pump and / or compressor means |
| 01/21/2015 | CN104295497A 干泵安全停止装置及其使用方法以及干泵系统 Dry pump safety stop and methods of use as well as a dry pump system |
| 01/21/2015 | CN102619756B 一种双螺杆压缩机滑阀位置指示装置 A twin-screw compressor slide valve position indicating means |
| 01/15/2015 | WO2015003482A1 Reverse detection method and device of air conditioner compressor |
| 01/14/2015 | CN204099211U 一种流量控制接头及涡旋式空压机进气阀 A flow control joints and scroll compressor inlet valve |
| 01/14/2015 | CN204099203U 一种罗茨风机自动卸荷装置 One kind of blower automatic unloading equipment |
| 01/14/2015 | CN204099200U 可调内容积比的螺杆压缩机 Adjustable in volume ratio of screw compressors |
| 01/08/2015 | WO2015002375A1 Scroll compressor |
| 01/08/2015 | WO2015001118A1 Starting valve for a fluid operating machine working in a vacuum system |
| 01/07/2015 | EP2820306A1 Compressor device, as well as the use of such an assembly |
| 01/07/2015 | EP2820305A1 Pump and/or compressor arrangement including mating, oscillatable vane members for the simultaneous admission and discharge of fluid |
| 01/07/2015 | CN204082553U 一种用于罗茨风机润滑油的更换报警提示装置 A blower oil change warning devices for tips |
| 01/07/2015 | CN204082539U 涡旋真空泵 Scroll vacuum pump |
| 01/01/2015 | US20150004039 Capacity-modulated scroll compressor |
| 01/01/2015 | US20150004038 Adjustable core turbocharger |
| 12/31/2014 | CN204061180U 一种可变内容积比涡旋压缩机 A variable in volume ratio scroll compressor |
| 12/31/2014 | CN204061179U 螺杆压缩机低温开机控制装置 Low turn screw compressor control device |
| 12/31/2014 | CN204061173U 一种滚动转子压缩机间隙调节装置 A rolling rotor compressor clearance adjustment device |
| 12/31/2014 | CN102477980B 螺杆压缩机 Screw compressors |
| 12/31/2014 | CN102042226B 具有柔性容积比滑阀的螺杆压缩机 A flexible volume ratio of the screw compressor slide valve |
| 12/30/2014 | US8920149 Single-screw compressor having an adjustment mechanism for adjusting a compression ratio of the compression chamber |
| 12/24/2014 | CN204041459U 干燥及气体回收真空泵液位控制装置 Drying and gas recovery pump fluid level control devices |
| 12/24/2014 | CN104246230A 用于预热真空泵装置的方法和设备 Vacuum pump means for preheating method and apparatus |
| 12/24/2014 | CN104246223A 电动压缩机 Electric compressor |
| 12/24/2014 | CN104235043A 压缩装置 Compression device |
| 12/23/2014 | US8915724 Scroll compressor with control valve for controlling cooling capacity based on speed and centrifugal force |
| 12/17/2014 | CN104220757A 压缩机设备以及此种压缩机设备的应用 Application of such compressors and compressor equipment equipment |
| 12/17/2014 | CN103047144B 一种能自动调压的干式真空泵控制方法 Dry vacuum pump control method of automatic voltage regulator |
| 12/17/2014 | CN102797668B 用于控制压缩机的装置 Means for controlling the compressor |
| 12/17/2014 | CN102119276B 真空泵系统 Vacuum pump system |
| 12/10/2014 | CN204003469U 旋转式压缩机以及用于该旋转式压缩机的旋转轴 A rotary compressor and a rotation shaft for the rotary compressor |
| 12/10/2014 | CN204003467U 空调系统 Air conditioning systems |
| 12/10/2014 | CN204003448U 变容量涡旋压缩机 Variable capacity scroll compressor |
| 12/10/2014 | CN104196725A 具有容量调节系统的压缩机 A compressor having a capacity modulation system |
| 12/10/2014 | CN102734164B 风冷螺杆空压机智能控制系统 Air-cooled screw compressor Intelligent Control System |
| 12/09/2014 | US8905722 Compressor |
| 12/09/2014 | US8904813 Pulse width modulated system with pressure regulating valve |
| 12/04/2014 | US20140356166 Clearance measuring sensor with abradable electrode |
| 12/02/2014 | US8899950 Slide valve for screw compressor |
| 12/02/2014 | US8899942 Volume ratio control system and method |
| 11/25/2014 | US8894393 Oil pump for vehicle |
| 11/25/2014 | US8894385 Bi-directional pump |
| 11/25/2014 | US8894381 Compressor capacity control method and device for controlling the capacity of a compressor |
| 11/25/2014 | US8894379 Compressor device |
| 11/20/2014 | US20140341757 Oil pump for vehicle and vehicle with the same |
| 11/18/2014 | US8888466 Compressor |
| 11/11/2014 | US8882479 Integrated-inverter electric compressor |
| 11/11/2014 | US8882476 Oil-flooded screw compressor, motor drive system, and motor control |
| 11/04/2014 | US8875530 Screw compressor drive control |
| 10/30/2014 | US20140322056 Vacuum pump having expansion chamber and method of achieving ultimate pressure state in a vacuum pump using an expansion chamber |
| 10/30/2014 | US20140322055 Scroll Vacuum Pump and Method of Maintenance Including Replacing a Tip Seal of a Scroll Vacuum Pump |
| 10/14/2014 | US8858197 Compressor with sensor and valve plate arrangement |
| 10/14/2014 | US8857200 Compressor having capacity modulation or fluid injection systems |
| 10/01/2014 | EP2784325A1 Gas compressor |
| 09/30/2014 | US8849604 Method for calculating the probability of moisture build-up in a compressor |
| 09/25/2014 | WO2014151452A1 Bearing plate bleed port for roots-type superchargers |
| 09/24/2014 | EP2781755A1 Scroll compressor with back pressure chamber |
| 09/24/2014 | EP2781754A1 Scroll compressor with a bypass |
| 09/24/2014 | EP2781753A1 Scroll compressor with back pressure discharge |
| 09/23/2014 | US8840384 Scroll compressor capacity modulation with solenoid mounted outside a compressor shell |
| 09/18/2014 | US20140260414 Infinitely variable vi in screw compressors using proportional valve control |
| 09/18/2014 | DE102014101916A1 Modulare Pumpenplattform Modular platform pumps |
| 09/16/2014 | US8834139 Lubrication of a scroll compressor |
| 09/16/2014 | US8834132 Apparatus having control valve and variable capacitance pump and hydraulic pressure circuit of internal combustion engine in which the same apparatus is used |
| 09/16/2014 | US8834131 Motor-driven compressor and controller therefor |
| 09/11/2014 | US20140255209 Crankcase heater systems and methods for variable speed compressors |
| 09/11/2014 | US20140250937 Hermetic-type compressor and refridgeration cycle apparatus |
| 08/26/2014 | US8813492 Internal combustion engine and supercharger |
| 08/21/2014 | WO2014096195A3 A vacuum pump having a disconnectable drive coupling |
| 08/20/2014 | EP2767717A1 Multi-stage vacuum pump of the dry pump type |
| 08/19/2014 | US8807964 Variable oil pump |
| 08/13/2014 | CN203770135U 一种空气压缩机的保护装置 Protection device of an air compressor |
| 08/13/2014 | CN203770134U 一种双功率节能型电机的双变容螺杆式空压机节电系统 A dual power dual variable energy-saving capacity of screw air compressor motor power saving system |
| 08/13/2014 | CN103982431A 一种具有启动卸载功能的中频全封闭制冷压缩机 IF one has to start the uninstall feature fully enclosed refrigeration compressor |
| 08/13/2014 | CN103982426A 滚动转子式压缩机及其泵体结构 Scroll compressor and pump rotor structure |
| 08/13/2014 | CN102549265B 螺杆式压缩机 Screw compressors |
| 08/13/2014 | CN102272456B 用于控制和调节压缩空气站的仿真法 Compressed air station for the control and regulation of the simulation method |
| 08/12/2014 | US8801402 Air compression device |
| 08/12/2014 | US8801395 Startup bypass system for a screw compressor |
| 08/07/2014 | US20140219846 Capacity modulated scroll compressor |
| 08/06/2014 | CN203756531U 空压机控制器 Compressor controller |