Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
01/2006
01/19/2006CA2575780A1 Single-winged vacuum pump
01/19/2006CA2575775A1 Single-blade vacuum pump
01/18/2006EP1617082A2 Multicylinder rotary compressor and compressing system and refrigerating unit provided with same
01/18/2006EP1617081A2 Sealed type electric compressor
01/18/2006EP1025403B1 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
01/18/2006CN1721786A Air conditioner and rotary compressor thereof
01/18/2006CN1721657A Double sided eddy disc scroll mechanism
01/18/2006CN1237313C Enclosed rotary compressor
01/18/2006CN1237281C Closed electric compressor
01/18/2006CN1237280C Vortex compressor
01/18/2006CN1237279C Electric compressor and its control method
01/18/2006CN1237278C Tip of spiral rotor with reversed curve
01/18/2006CN1237277C Vortex compressor
01/17/2006US6987373 System and method for starting pump
01/17/2006US6986652 Screw machine
01/12/2006DE102005028392A1 Dichtungsmechanismus in Kompressor Seal mechanism in compressor
01/11/2006EP1614902A2 Compression System
01/11/2006EP1614901A1 Cover structure for engine
01/11/2006EP1614900A2 Rotor of a vacuum vane pump
01/11/2006EP1614897A1 Enclosed compressor
01/11/2006CN2751163Y Refrigerating compressor
01/11/2006CN1720397A Screw compressor
01/11/2006CN1720395A Chamber for compressor and compressor using the same
01/11/2006CN1719038A Vacuum pump for vehicle
01/11/2006CN1719037A Rotor of a vacuum vane pump for motor vehicle
01/11/2006CN1719036A Negative pressure regulating structure of vortex compressor
01/11/2006CN1719034A Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same
01/11/2006CN1236255C Refrigerant circulation device
01/11/2006CN1236212C Vortex compressor
01/10/2006US6984115 Axial sealing structure of scroll compressor
01/10/2006US6984114 Two-step self-modulating scroll compressor
01/05/2006US20060002809 Rotary closed type compressor and refrigerating cycle apparatus
01/04/2006EP1612425A1 Fluid machine
01/04/2006EP1611356A2 Scroll compressor with bifurcated flow pattern
01/04/2006EP1546510A4 Drilling rig having a compact compressor/pump assembly
01/04/2006CN1717273A Compressor systems for use with smokeless lubricant
01/04/2006CN1715812A Digital scroll condensing unit controller
01/04/2006CN1715678A Gas leakage reducing structure for rotary compressor
01/04/2006CN1715677A Noise reducer of rotary compressor
01/04/2006CN1715674A Compressor sound attenuation enclosure
01/04/2006CN1715673A Rotary compressor with noise reducer
01/04/2006CN1715672A Oil supply structure for vortex compressor eccentric sleeve
01/04/2006CN1715671A Oil supply structure of screw compressor
01/04/2006CN1715670A Oil supply structure of screw compressor
01/04/2006CN1715669A Oil supply structure for screw compressor
01/04/2006CN1715667A Oil supply structure for screw compressor
01/04/2006CN1715666A Oil supply structure for screw compressor
01/04/2006CN1715665A Friction reducing structure for screw compressor
01/04/2006CN1715663A Eccentric device for vortex compressor
01/04/2006CN1715661A Eccentric part structure of vortex compressor rotary shaft
01/04/2006CN1715660A Combining structure of screw compressor eccentric shaft bush
01/04/2006CN1715659A Roller fixing structure of roller compressor
01/04/2006CN1715658A Friction reducing device for rotary compressor
01/04/2006CN1715657A Temperature sensor arranging structure for vortex compressor
01/04/2006CN1715656A Compression device of roller compressor
01/04/2006CN1715654A High pressure roots blower
01/04/2006CN1235004C Refrigerant compressor
01/03/2006US6981855 Drilling rig having a compact compressor/pump assembly
12/2005
12/29/2005WO2005124246A1 Refrigeration compressor with magnetic coupling
12/29/2005WO2005124156A1 Multi-cylinder rorary compressor
12/29/2005WO2005124155A1 Screw vacuum pump
12/29/2005WO2005124154A1 Screw pump and screw gear
12/29/2005WO2005038255B1 Evacuation apparatus
12/29/2005US20050287029 Double-lobe type rotor design process
12/29/2005US20050287028 Scroll fluid machine
12/29/2005US20050287019 Gas compressor
12/29/2005DE10228894B4 Gargerät mit Drehkolbengebläse The cooking apparatus with rotary blowers
12/29/2005DE102005024685A1 Wärmekreis Heating circuit
12/29/2005DE102004034926B3 Einflügelvakuumpumpe A single-
12/29/2005DE102004034921B3 Einflügelvakuumpumpe A single-
12/29/2005CA2570971A1 Refrigeration compressor with magnetic coupling
12/28/2005EP1609995A1 Screw vacuum pump
12/28/2005EP1609994A2 Gas compressor
12/28/2005EP1609990A1 Vacuum device and vacuum pump
12/28/2005CN1714245A Air-cooled dry vacuum pump
12/28/2005CN1712708A Mechanical pressurizing unit of IC engine
12/28/2005CN1233940C Vortex compressor
12/28/2005CN1233939C Double-cylinder rotary compressor eccentrically assembling method
12/28/2005CN1233927C Rotary piston type fluid element
12/27/2005US6979254 Ergonomically friendly orbital sander construction
12/27/2005US6979185 Bi-rotational pump/hydraulic actuator
12/22/2005WO2005121558A1 Hermetic rotary compressor
12/22/2005US20050281698 Low speed, high torque rotary abutment motor
12/22/2005US20050281697 Scroll compressor with recess on crankcase or orbiting scroll
12/22/2005US20050279416 Inlet piece for a liquid-injected compressor element
12/21/2005EP1607633A1 Vacuum pump
12/21/2005CN1232733C Screw compressor
12/21/2005CN1232732C Vortex compressor
12/21/2005CN1232731C Variable pump controller for power turning device
12/16/2005CA2471187A1 Improved refrigeration compressor with magnetic coupling
12/15/2005WO2005119067A1 Twin-plate rotary compressor
12/15/2005WO2005119066A2 Gear for use in a gear pump
12/15/2005US20050276714 Gear pump
12/15/2005US20050276713 Twin-shaft vacuum pump and method of forming same
12/15/2005US20050274569 Compressor sound attenuation enclosure
12/15/2005DE102004024554A1 Ölgedichtete Drehschiebervakuumpumpe Oil sealed rotary vane vacuum pump
12/14/2005EP1605167A1 Rotary sealed compressor and refrigeration cycle apparatus
12/14/2005CN2746159Y Moving-gear pump
12/14/2005CN2746158Y 多级可调涡卷压缩装置 Multi-adjustable scroll compression device
12/14/2005CN1708648A Compressor machine with two counter-rotating rotors