| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 10/18/2001 | US20010029744 Heat pump and method for controlling operation thereof |
| 10/18/2001 | US20010029727 Compressor with oil separator |
| 10/17/2001 | EP1146232A2 Scroll fluid machine |
| 10/17/2001 | CN1317646A Horizontal eddy compressor |
| 10/17/2001 | CN1317645A Vortex compressor |
| 10/17/2001 | CN1317644A Volumetric pump |
| 10/17/2001 | CN1317643A Cross coupling of vortex machinery |
| 10/16/2001 | US6302667 Oil-free screw rotor apparatus |
| 10/16/2001 | US6302665 Hermetic compressor and open compressor |
| 10/16/2001 | US6302664 Oilers rotary scroll air compressor axial loading support for orbiting member |
| 10/16/2001 | US6302654 Compressor with control and protection system |
| 10/16/2001 | US6302079 Dual ignition and controlled intake rotary motor and method of operation |
| 10/16/2001 | US6301912 Heat pump apparatus |
| 10/16/2001 | US6301898 Rotary positive displacement device |
| 10/11/2001 | WO2001075310A1 Bacterial growth inhibition in a circulation system comprising a compressor |
| 10/11/2001 | US20010028852 Capacity-controlled scroll-type compressor having internally-bypassing system |
| 10/10/2001 | EP1143599A2 Compressor and electric motor |
| 10/10/2001 | EP1141552A1 Screw compressor |
| 10/10/2001 | CN1316597A Baseplate for sealing case |
| 10/10/2001 | CN1072776C Scroll-type compressor and operation method therefor |
| 10/10/2001 | CN1072775C 涡旋式压缩机 Scroll compressor |
| 10/10/2001 | CN1072774C Anti-rotation mechanism for vortex fluid variable machine |
| 10/09/2001 | US6299425 Member having sliding contact surface, compressor and rotary compressor |
| 10/09/2001 | US6299424 Sliding member and refrigerating compressor using the same |
| 10/09/2001 | US6299423 Scroll machine with discharge valve |
| 10/09/2001 | US6299417 Back pressure structure of intermediate pressure of scroll compressor |
| 10/04/2001 | WO2001073296A1 Interlocking scroll compressor components |
| 10/04/2001 | WO2001073293A1 Multistage compressor |
| 10/04/2001 | US20010026766 Scroll compressor |
| 10/04/2001 | US20010026765 Helical blade type compressor having a helical blade in a stationary cylinder |
| 10/04/2001 | EP1139549A2 Sealed motor compressor |
| 10/04/2001 | EP1138949A2 Compressor with control and protection system |
| 10/03/2001 | CN2451763Y Air suction and discharge structure for follow-up ring hinge joint vane and rolling cylinder type rotary compressor |
| 10/03/2001 | CN1072316C 旋转压缩机 Rotary compressor |
| 10/02/2001 | US6296461 Plural screw positive displacement machines |
| 09/27/2001 | US20010024620 Vacuum pumps |
| 09/26/2001 | CN1071853C Multi-cylinder rotary air compressor |
| 09/26/2001 | CN1071852C Rotary compressor and refrigerating apparatus |
| 09/26/2001 | CN1071851C Fluid compressor |
| 09/26/2001 | CN1071850C Vortex compressor |
| 09/25/2001 | US6293776 Method of connecting an economizer tube |
| 09/25/2001 | US6293767 Scroll machine with asymmetrical bleed hole |
| 09/20/2001 | WO2001069087A1 2-cylinder, 2-stage compression type rotary compressor |
| 09/20/2001 | WO2001069085A1 Motor protector on non-orbiting scroll |
| 09/20/2001 | US20010022943 Screw rotors and screw machine |
| 09/20/2001 | DE10012406A1 Rotary displacement pump has sealing bars at the blade with a spring to keep them pressed against the inner wall of the pump housing to maintain a seal at low start-up speeds |
| 09/19/2001 | EP1134418A2 Rotary compressor |
| 09/19/2001 | EP1134417A2 Positive displacement pump |
| 09/19/2001 | EP1134357A2 Screw rotors and screw machine |
| 09/19/2001 | CN1313471A Rotary compressor |
| 09/19/2001 | CN1313470A Volume fluid machine |
| 09/19/2001 | CN1071418C Scroll machine with reverse rotation protection |
| 09/19/2001 | CN1071417C Cyclone fluid machinery |
| 09/19/2001 | CN1071416C Eddy compression engine |
| 09/18/2001 | US6290480 Screw machine |
| 09/18/2001 | US6290479 Magnetic debris trap |
| 09/18/2001 | US6290478 Eccentric back chamber seals for scroll compressor |
| 09/18/2001 | US6290477 Scroll vacuum pump |
| 09/18/2001 | US6290472 Rotary compressor with vane body immersed in lubricating fluid |
| 09/18/2001 | CA2224747C Combination valve for screw compressors |
| 09/16/2001 | CA2313560A1 Capacity control of compressors |
| 09/16/2001 | CA2310871A1 Capacity control of compressors |
| 09/15/2001 | CA2302870A1 Poly-induction energy-efficient motor |
| 09/13/2001 | US20010021349 Oil free screw compressor |
| 09/12/2001 | EP1132621A1 Screw compressor and refrigerator |
| 09/12/2001 | EP1132573A2 Scroll fluid machine |
| 09/12/2001 | CN1312437A 干式真空泵 Dry vacuum pump |
| 09/11/2001 | US6287099 Scroll compressor |
| 09/11/2001 | US6287097 Scroll compressor having discharge port formed only in end plate of fixed scroll, and discharge valve attached to the end plate |
| 09/11/2001 | US6287096 Anti-rotation mechanism for movable scroll in scroll compressor |
| 09/11/2001 | US6287089 Scroll compressor with heat shield |
| 09/11/2001 | US6287088 Oil free screw compressor |
| 09/11/2001 | US6286566 Method and apparatus for accurately dispensing liquids and solids |
| 09/11/2001 | US6286334 Refrigerant compressor and refrigerating apparatus |
| 09/05/2001 | EP1130265A2 Sealed compressor using hot oil to actuate protection switch |
| 09/05/2001 | EP1130264A2 Compound vacuum pumps |
| 09/05/2001 | EP1130263A2 Helical gear vacuum pump |
| 09/05/2001 | EP1129294A1 Scroll-type fluid displacement device for vacuum pump application |
| 09/05/2001 | CN1311397A Compressor with control and protection system |
| 09/04/2001 | US6284397 Rotary piston blower for supplying an oxidant stream to a fuel cell |
| 09/04/2001 | US6283738 Package-type scroll compressor |
| 09/04/2001 | US6283737 Oiless rotary scroll air compressor antirotation assembly |
| 09/04/2001 | US6283729 Closed compressor having a compression mechanism holder and method of assembling same |
| 09/04/2001 | CA2119389C Quieted air compressor |
| 08/30/2001 | US20010018028 Scroll-type fluid displacement apparatus having spiral start portion with thick base and thin tip |
| 08/30/2001 | US20010018025 Hybrid type compressor driven by engine and electric motor |
| 08/29/2001 | EP1128067A1 Method for controlling a compressor installation and compressor installation controlled in this manner |
| 08/29/2001 | EP1127220A1 Lift valve for a rotary screw compressor |
| 08/29/2001 | CN1310301A Sealed compressor with hot oil-operated protection switch |
| 08/29/2001 | CN1310300A Vortex compressor |
| 08/29/2001 | CN1070269C Vortex type compressor having non-tracking motion vortex parts locating device |
| 08/29/2001 | CN1070268C Vortex type compressor having non-tracking motion vortex parts locating device |
| 08/29/2001 | CN1070266C Scroll type fluid machine |
| 08/29/2001 | CN1070105C Method for producing rotors for worm compressor and rotor thereby |
| 08/28/2001 | US6280168 Multi-cylinder rotary compressor |
| 08/28/2001 | US6280166 Compressor having a valve mechanism of relatively high accuracy |
| 08/28/2001 | US6280165 Scroll type fluid machine |
| 08/28/2001 | US6280155 Discharge manifold and mounting system for, and method of assembling, a hermetic compressor |
| 08/28/2001 | US6280154 Scroll compressor |
| 08/28/2001 | US6280146 Sealed compressor using hot oil to actuate protector switch |