| Patents for F04D 17 - Radial-flow pumps specially adapted for elastic fluids, e.g. centrifugal pumps; Helico-centrifugal pumps specially adapted for elastic fluids (4,320) |
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| 06/19/2013 | CN101952601B Centrifugal compressor assembly and method |
| 06/13/2013 | US20130149128 Advection-type Fan And An Impeller Thereof |
| 06/13/2013 | US20130149102 Turning gear for gas turbine arrangements |
| 06/12/2013 | EP2602488A1 Electric composite multi-stage centrifugal compressor device |
| 06/12/2013 | CN103148021A Centrifugal compressor with inlet guide blades and turbocharger |
| 06/12/2013 | CN103148016A Blade forward-swept centrifugal compressor and turbocharger |
| 06/12/2013 | CN103148000A Centrifugal fan |
| 06/12/2013 | CN103147811A Heat recovery in carbon dioxide compression and compression and liquefaction systems |
| 06/06/2013 | WO2013080395A1 Air conditioner |
| 06/05/2013 | EP2598756A2 Method and system for reducing seal gas consumption and settle-out pressure reduction in high-pressure compression systems |
| 06/05/2013 | CN103133361A Cross flow fan and air conditioner |
| 06/05/2013 | CN103133360A 横流风扇及空调器 Cross-flow fans and air conditioners |
| 05/30/2013 | US20130136587 Centrifugal compressor |
| 05/29/2013 | CN202954998U Efficient water ring vacuum pump body with ultrahigh sucking rate |
| 05/29/2013 | CN202954997U Extra-large-throughput efficient water ring vacuum pump |
| 05/29/2013 | CN202954996U Efficient water ring vacuum pump body with ultrahigh sucking rate |
| 05/29/2013 | CN202954995U Electromagnetic pump |
| 05/29/2013 | CN101275583B Abradable and anti-encrustation coating for rotating fluid machines |
| 05/23/2013 | WO2013071845A1 Gas compression or turbine device and composite gas compression or turbine device |
| 05/22/2013 | CN103115003A 压缩机 Compressor |
| 05/22/2013 | CN103115002A Compressor having a cooling circuit and corresponding cooling method |
| 05/22/2013 | CN101999043B Cross flow fan and air conditioner equipped with same |
| 05/22/2013 | CN101377201B 离心式风扇 Centrifugal fan |
| 05/16/2013 | US20130121830 Thin fan and manufacturing method thereof |
| 05/16/2013 | US20130121818 Air Blowing Unit For Vehicle |
| 05/16/2013 | DE19802111B4 Zentrifugalgebläse mit einer Vielzahl von Nebenschaufeln Centrifugal blower having a plurality of side blades |
| 05/15/2013 | CN202937467U Multi-level efficient centrifugal compressor with axial air feed |
| 05/15/2013 | CN202937466U Centrifugal fan and garbage sweeping vehicle using same |
| 05/15/2013 | CN103104511A Centrifugal fan device |
| 05/15/2013 | CN103104510A Thin type fan and manufacturing method thereof |
| 05/10/2013 | WO2013065792A1 Cross-flow fan |
| 05/09/2013 | US20130115071 Pump with Hydraulic Isolator |
| 05/09/2013 | US20130115042 Dynamic thrust balancing for centrifugal compressors |
| 05/08/2013 | CN202926661U Centrifugal compressor |
| 05/08/2013 | CN103089689A Improved structure of compressor |
| 05/08/2013 | CN103089667A Modified water circulation device with water-ring vacuum pump |
| 05/08/2013 | CN103089666A Modified automatic separator with water-ring vacuum pump |
| 05/08/2013 | CN103089665A Modified water-ring vacuum pump water supply device |
| 05/08/2013 | CN103089664A Modified anticorrosion water ring vacuum pump |
| 05/08/2013 | CN103089663A Modified water ring vacuum pump |
| 05/08/2013 | CN103089662A Water ring vacuum pump |
| 05/08/2013 | CN103089661A Cross flow fan |
| 05/08/2013 | CN101608630B Electric blower and electric duct collector equipped with the same |
| 05/01/2013 | EP2587068A2 Cooling fan duct assembly |
| 04/30/2013 | CA2712842C Centrifugal compressor assembly and method |
| 04/25/2013 | US20130101449 Double Inlet Centrifugal Blower with Peripheral Motor |
| 04/25/2013 | US20130101408 Fan, molding die, and fluid feeder |
| 04/24/2013 | CN103062077A Multi-stage refrigeration compressor and middle re-inflating structure thereof |
| 04/24/2013 | CN101922458B Centrifugal fan for cooling medium and large motors |
| 04/18/2013 | US20130096364 Pump and method for mixed flow blood pumping |
| 04/18/2013 | US20130094955 Centrifugal compressor diffuser and centrifugal compressor provided with the same |
| 04/18/2013 | DE19727088B4 Gebläseeinheit und Klimaanlage mit derselben Blower unit and air-conditioning with the same |
| 04/17/2013 | EP2580480A1 Apparatus for sucking off or compressing a working fluid |
| 04/17/2013 | CN103052809A Turbo compressor |
| 04/17/2013 | CN103047189A Centrifugal compressor for integrating rear cooler |
| 04/17/2013 | CN103047153A Broad-spectrum corrosion-resistant water ring vacuum pump |
| 04/17/2013 | CN103047152A Vacuum pump |
| 04/17/2013 | CN101728895B Device which can be attached to an electric motor |
| 04/17/2013 | CN101610733B Suction device for dental, medical and industrial purposes |
| 04/11/2013 | WO2013051559A1 Centrifugal compressor machine and method for preventing surge therein |
| 04/11/2013 | WO2013051297A1 Air conditioner |
| 04/10/2013 | CN202867340U Air duct group structure of extractor hood |
| 04/10/2013 | CN202867272U Water temperature control device of water ring vaccum pump |
| 04/10/2013 | CN103032344A Circular water cooling system |
| 04/04/2013 | WO2013046493A1 Electromagnetic bearing and compressor using same |
| 04/04/2013 | WO2013045459A1 Motor compressor unit with removable cartridge |
| 04/04/2013 | WO2013044423A1 Multifunctional gas source cabinet |
| 04/04/2013 | US20130084173 Centrifugal fan |
| 04/03/2013 | EP2574794A2 Ventilation component |
| 03/28/2013 | WO2013040847A1 Through-flow air suspension platform |
| 03/27/2013 | EP2572108A1 Centrifugal compressor |
| 03/27/2013 | CN202833205U Double-way spiral liquid supply device |
| 03/27/2013 | CN202832770U Engine gas supply device and automobiles with same |
| 03/27/2013 | CN102996471A Turbine compressor |
| 03/20/2013 | CN202811531U Return unit and centrifugal gas compressor |
| 03/20/2013 | CN202811403U Two-stage water ring pump |
| 03/20/2013 | CN202811402U Multistage high-speed oxygen-supercharging blower for steel plate welding |
| 03/20/2013 | CN202811401U Centrifugal air compressor and control system thereof |
| 03/20/2013 | CN202811400U 真空泵 Vacuum pump |
| 03/20/2013 | CN102287383B Turbo fan |
| 03/20/2013 | CN101504015B Turbo compressor and refrigerator |
| 03/19/2013 | US8398361 High-efficiency, multi-stage centrifugal pump and method of assembly |
| 03/14/2013 | US20130064700 Cooling Fan and An Assembly Method Thereof |
| 03/13/2013 | CN202789591U Impeller of water ring vacuum pump |
| 03/13/2013 | CN202789590U Novel centrifugal blower applicable to delivering special gases |
| 03/07/2013 | WO2013030184A1 Turbocompressor and use |
| 03/07/2013 | WO2013011105A3 Multistage centrifugal turbomachine |
| 03/07/2013 | US20130058783 Impeller and centrifugal fan using the same |
| 03/07/2013 | US20130058762 Turbo Compressor |
| 03/06/2013 | CN202768428U Water-ring type vacuum pump |
| 03/06/2013 | CN202768060U Hand-cranking air cleaner |
| 03/06/2013 | CN101504009B Turbo compressor and refrigerator |
| 03/06/2013 | CN101504004B Turbo compressor and refrigerator |
| 02/28/2013 | US20130052049 Centrifugal fan |
| 02/27/2013 | EP2562428A1 Compressor housing for supercharger and production method for same |
| 02/27/2013 | EP2561233A2 Method for controlling a compressor |
| 02/27/2013 | CN202756257U Multistage high-pressure centrifugal fan |
| 02/21/2013 | US20130045082 Compressor of an exhaust-gas turbocharger |
| 02/20/2013 | CN202746223U Two-stage high-speed centrifugal compressor |
| 02/20/2013 | CN102937100A Fluorine-lined alloy liquid ring vacuum pump and manufacturing method thereof |