| Patents for F04C 28 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids (4,928) |
|---|
| 04/10/2014 | US20140099225 Pump |
| 04/10/2014 | US20140099218 Rotary compressor |
| 04/10/2014 | US20140097165 Portable air compressor/generator control method and system |
| 04/09/2014 | EP2716999A1 Refrigeration cycle device |
| 04/09/2014 | CN203532257U Standalone two-level screw compressor sharing variable displacement of sliding valve |
| 04/09/2014 | CN203532252U Sliding vane compressor with end cover variable-displacement mechanism |
| 04/09/2014 | CN203532251U Slide sheet compressor with engine body bypass air transmission amount |
| 04/09/2014 | CN103711697A Dry vacuum pump apparatus and control apparatus for the same |
| 04/09/2014 | CN103711696A Magnetic transmission screw refrigerating compressor |
| 04/03/2014 | US20140090412 Motor-driven compressor and air conditoner |
| 04/03/2014 | DE102013110707A1 Motorbetriebener Kompressor und Klimaanlage The motor-driven compressor and air conditioning |
| 04/02/2014 | CN203516104U Dynamic leakage equivalent observation experiment table for working medium in rotary compressor |
| 03/27/2014 | US20140083130 Apparatus and Method for Enhancing Compressor Efficiency |
| 03/26/2014 | EP2710267A1 Pump |
| 03/26/2014 | CN203500010U Start volume control device of refrigeration screw compressor |
| 03/26/2014 | CN203500007U Rotary compressor and refrigerating cycle device |
| 03/26/2014 | CN103671119A Oil level control system and method and screw compressor set |
| 03/26/2014 | CN103671105A Capacity modulated scroll compressor |
| 03/26/2014 | CN102216619B 螺旋式压缩机 Screw compressors |
| 03/26/2014 | CN102124229B 旋转式压缩机 Rotary compressor |
| 03/25/2014 | CA2772289C Method for controlling a compossed device and compossed device wherein such method is applied |
| 03/20/2014 | WO2013087708A3 Liquid ring vacuum pump with cavitation regulation |
| 03/19/2014 | EP2708752A1 Refrigeration cycle device |
| 03/19/2014 | EP2707264A2 Actuating module for an electric vacuum pump |
| 03/19/2014 | CN203488370U Intelligent water automatic cycle mobile single screw oil-free air compressor unit |
| 03/19/2014 | CN103649544A Screw compressor |
| 03/19/2014 | CN103648870A Actuating module for an electric vacuum pump |
| 03/19/2014 | CN103644121A Simple automatic vacuum pump supply switch |
| 03/13/2014 | US20140072466 Compressor having capacity modulation assembly |
| 03/12/2014 | CN203476704U Intelligent Roots blower monitoring system |
| 03/12/2014 | CN203476703U Capacity adjustment system of semi-closed standalone double-screw refrigeration compressor |
| 03/12/2014 | CN102326000B Scroll compressors with different volume indexes and systems and methods for same |
| 03/06/2014 | WO2014035455A1 Proportional air flow delivery control for a compressor |
| 03/06/2014 | US20140064999 Capacity Modulated Scroll Compressor |
| 03/05/2014 | EP2703649A1 Refrigerant compressor and refrigeration cycle apparatus using same |
| 03/05/2014 | CN203463288U Central controller of compressor |
| 03/05/2014 | CN103620224A Rotary compressor |
| 02/26/2014 | CN101981318B Safety valve for compressor |
| 02/25/2014 | US8657592 Pumping apparatus with a hollow shaft acting as a valve |
| 02/12/2014 | EP2694815A2 System and method for monitoring pump lining wear |
| 02/12/2014 | EP2694814A2 Regulator, in particular intake regulator for compressors |
| 02/12/2014 | CN203430782U Regulating mechanism for integrating energy and inner volume ratio of screw compressor |
| 02/12/2014 | CN203430780U Semi-closed variable-frequency high-speed screw refrigerating compressor |
| 02/12/2014 | CN103573633A Experiment table for equivalently observing dynamic leakage of working fluid inside rotary compressor |
| 02/12/2014 | CN103573632A Slide valve position determination method for screw unit compressor |
| 02/12/2014 | CN103573619A 压缩机 Compressor |
| 02/06/2014 | DE19919104B4 Kompressor mit veränderlicher Abgabemenge für einen Kühl- bzw. Kältemittelzyklus Compressor with variable discharge of a refrigerant cycle |
| 02/05/2014 | CN203420890U Mechanical failure warning device for vacuum pump |
| 02/05/2014 | CN103557159A 旋转式压缩机 Rotary compressor |
| 01/30/2014 | US20140029178 Compressor protection module |
| 01/29/2014 | CN203412764U Control device of diesel-driven screw air compressor |
| 01/29/2014 | CN103541901A Pressure control valves and scroll compressor |
| 01/29/2014 | CN103541900A Rotary type compressor, refrigerant circulation system and control method thereof |
| 01/23/2014 | WO2014012896A2 Method and device for pumping of a process chamber |
| 01/22/2014 | CN103534486A Scroll compressor for refrigeration |
| 01/16/2014 | WO2014008835A1 Pressure control valve and scroll compressor |
| 01/15/2014 | CN103518066A Refrigeration cycle device |
| 01/09/2014 | WO2014006362A1 Scroll pump |
| 01/08/2014 | CN103502650A Vacuum pump, vacuum exhaust device, and method for operating vacuum pump |
| 01/08/2014 | CN103502649A A system and method of remotely connecting and disconnecting the auxiliary power supply of a frequency inverter for variable capacity compressor employed in cooling systems |
| 01/08/2014 | CN103502644A Scroll refrigeration compressor |
| 01/08/2014 | CN103498796A Slide sheet compressor with radial bypass variable displacement |
| 01/03/2014 | WO2014001090A1 Method and pump arrangement for evacuating a chamber |
| 01/01/2014 | EP2678567A2 A system and method of remotely connecting and disconnecting the auxiliary power supply of a frequency inverter |
| 01/01/2014 | CN203374484U Screw air compressor and frequency conversion system thereof |
| 01/01/2014 | CN203374483U Frequency conversion type screw compressor flow device |
| 01/01/2014 | CN103492817A 制冷循环装置 Refrigeration cycle apparatus |
| 01/01/2014 | CN103486038A Slide valve, slide valve regulating mechanism and screw rod compressor having slide valve regulating mechanism |
| 01/01/2014 | CN103486037A Slide valve, slide valve regulating mechanism, screw compressor and capacity regulating method |
| 01/01/2014 | CN102052320B Method for calibrating pneumatic actuators and calibrated actuator obtainable with this method |
| 12/27/2013 | WO2013164571A3 Method and apparatus for warming up a vacuum pump arrangement |
| 12/25/2013 | CN103477076A Scroll refrigeration compressor |
| 12/25/2013 | CN103470504A Energy and internal volume ratio unified regulating mechanism of screw compressor |
| 12/25/2013 | CN103470503A Sliding-vane refrigerating compressor for axial by-pass capacity adjustment |
| 12/24/2013 | US8613610 Variable displacement pump |
| 12/19/2013 | WO2013186314A1 Positive displacement pump |
| 12/19/2013 | WO2012080613A3 Scroll refrigeration compressor |
| 12/19/2013 | WO2011151554A3 Scroll refrigeration compressor |
| 12/19/2013 | DE112012001192T5 Vakuumpumpe, Vakuumauspumpvorrichtung und Verfahren, zum Betreiben einer Vakuumpumpe Vacuum pump, Vakuumauspumpvorrichtung and method for operating a vacuum pump |
| 12/19/2013 | DE102011121365B4 Spiralverdichter mit axial verschiebbarem Spiralblatt Scroll compressor with axially movable spiral blade |
| 12/18/2013 | EP2674591A1 Method and system for controlling the supply of compressed air to a pneumatic network, in particular of an aircraft |
| 12/18/2013 | EP2674571A2 Pump power unit with liquid-ring pump |
| 12/18/2013 | CN203348084U Controller of screw compressor |
| 12/11/2013 | CN103438002A Intelligent monitoring system for Roots blower |
| 12/04/2013 | CN203321829U Explosion-proof automatic control device of compressor unit |
| 12/04/2013 | CN103429902A 旋转式压缩机 Rotary compressor |
| 12/04/2013 | CN103423164A Two-stage variable capacity compressor and control method therefor |
| 12/04/2013 | CN103423160A Variable pitch spiral compression machine head of spiral compression-expansion refrigerator |
| 12/04/2013 | CN103423159A Screw compressor unit |
| 12/03/2013 | US8597002 Hydraulic machine with vane retaining mechanism |
| 11/27/2013 | CN203308715U Screw compressor with variable compression ratio structure |
| 11/27/2013 | CN103415704A Scroll refrigeration compressor |
| 11/27/2013 | CN103415703A Scroll refrigeration compressor |
| 11/27/2013 | CN103410733A Two-stage screw refrigeration compressor capable of adjusting gas transporting volume simultaneously at high and low pressure |
| 11/27/2013 | CN103410731A 旋转压缩机和冷冻循环装置 Rotary compressor and the refrigeration cycle apparatus |
| 11/21/2013 | WO2013171957A1 Electric compressor |
| 11/21/2013 | US20130306173 Integrated rotary valve |
| 11/20/2013 | CN103398009A Vacuum pump and air pumping adjustment system thereof |
| 11/13/2013 | EP2662569A1 Screw compressor having slide valve with flexible volume ratio |
| 11/13/2013 | CN203285689U Rolling rotor type compressor |