| 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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| 02/21/1996 | EP0697088A1 Zero superheat refrigeration compression system |
| 02/21/1996 | EP0697069A1 Friction vacuum pump with pump sections of different designs |
| 02/21/1996 | CN2220552Y 50 AY60 type single-stage, single-sucking cantilever centrifugal oil pump |
| 02/13/1996 | US5490761 High performance turbomolecular vacuum pumps |
| 02/13/1996 | US5490760 Multishaft geared multishaft turbocompressor with return channel stages and radial expaner |
| 02/07/1996 | EP0513384B1 Apparatus for treating air with discs in multilayer structure |
| 02/07/1996 | CN1030937C Mixed flow blower |
| 02/01/1996 | DE4426933A1 Lightweight cross=flow fan housing |
| 01/24/1996 | CN1115362A Multiple dragging face molecular pump |
| 01/23/1996 | CA1337984C Transversal current fan |
| 01/18/1996 | WO1996001373A1 Molecular pump with multiple air suction grooves |
| 01/17/1996 | EP0692637A1 Centrifugal fan inlet orifice and impeller assembly |
| 01/16/1996 | US5484271 Compact controllable vane pump |
| 01/11/1996 | WO1996000854A1 Multivane centrifugal fan |
| 01/11/1996 | CA2168551A1 Multivane centrifugal fan |
| 01/10/1996 | CN2217128Y Centrifugal draught fan rolling gear |
| 01/10/1996 | CN1114721A Single-suction double flow path centrifugal blower |
| 01/09/1996 | US5482430 High performance turbomolecular vacuum pumps |
| 12/26/1995 | US5478275 Radial fan |
| 12/26/1995 | US5478201 Apparatus for moving air |
| 12/19/1995 | US5476365 Centrifugal blower wheel with forward curved multi-blades |
| 12/13/1995 | EP0686773A2 Gear driven multi-shaft compressor and multi-shaft expander |
| 12/13/1995 | CN2215041Y Single-stage single-suction cantilever centrifugal oil pump |
| 12/12/1995 | US5474420 Duct fan housing assembly |
| 12/06/1995 | EP0685653A2 Method and apparatus for surge control |
| 12/06/1995 | EP0685039A1 Device and method for thermal transfer using air as the working medium |
| 12/06/1995 | CN1112990A Circular case of multi-blade fan |
| 11/28/1995 | US5470203 Blower blade assembly having counterbalancers |
| 11/15/1995 | EP0493428B1 Pump or compressor unit |
| 11/14/1995 | US5466118 Centrifugal compressor with a flow-stabilizing casing |
| 10/26/1995 | WO1995028571A1 Molecular pump |
| 10/18/1995 | CN1110376A Driven molecular pump |
| 10/17/1995 | CA1337343C Staged turbo compressor with flanged and air cooled drive shaft |
| 10/12/1995 | CA2120977A1 Impeller with alternating primary and secondary vanes of different geometries |
| 10/04/1995 | EP0675289A1 Drag pump |
| 10/04/1995 | CN2209229Y Air-tight water-proof corrosion-resistant centrifugal fan |
| 09/20/1995 | CN2208113Y Leakless light gas circulating fan for pressure-carrying system |
| 09/14/1995 | WO1995024563A1 Compressor |
| 09/12/1995 | US5449271 Transverse fan with randomly varying I-shaped tongue |
| 09/06/1995 | CN2206849Y Wind wheel of air change fan |
| 08/23/1995 | EP0667934A1 Compressor |
| 08/16/1995 | CN1106897A A cross flow fan impeller |
| 08/15/1995 | CA2115585A1 Connecting pad for end suction centrifugal pumps |
| 08/02/1995 | EP0620898B1 Compact controllable vane pump |
| 08/02/1995 | EP0473779B1 Fan |
| 08/02/1995 | EP0471089B1 Device for generating fluid flow and method of manufacture thereof |
| 08/02/1995 | CN2204346Y Air compressor with new-type vane |
| 08/02/1995 | CN1106125A Air conditioner and through-flow incorporated therein |
| 07/20/1995 | WO1995019529A1 An electric air heater |
| 07/12/1995 | CN2203372Y Miniature motor-driven inflator |
| 07/12/1995 | CN2203371Y Vertical motor-driven pump for motor-driven sprayer |
| 07/12/1995 | CN2203370Y High-pressure centrifugal blower for cement shaft kiln |
| 07/12/1995 | CN2203369Y Energy-saving low-noise centrifugal ventilator |
| 07/12/1995 | CN1105105A Blade type rotary piston air compressor |
| 07/05/1995 | CN1104727A Rotary throat cutoff device and method for reducing centrifugal fan noise |
| 07/05/1995 | CN1104726A Method for connecting metallic sheet and connected metallic sheet structual |
| 06/29/1995 | WO1995017606A1 Device and method for thermal transfer using air as the working medium |
| 06/28/1995 | CN2202206Y Half-opened side-runner centrifugal fan |
| 06/27/1995 | US5427503 Multi-stacked circular plate fan provided with blades |
| 06/01/1995 | DE3891236C2 Two-chambered fluid pump |
| 05/30/1995 | US5419679 Laminar flow fan and electrical apparatus incorporating fan |
| 05/23/1995 | US5417544 For undersea use |
| 05/17/1995 | EP0653566A1 Gear driven compressor for the compression of oxygen |
| 05/10/1995 | CN2196701Y 100AY60 model single-stage-pumping cantilever type centrifugal oil pump |
| 05/03/1995 | CN2196196Y Forced draught blower |
| 04/19/1995 | CN2194990Y 高速小型离心式氯气压缩机 Small high-speed centrifugal compressor chlorine |
| 04/04/1995 | US5402876 Apparatus and method for transporting and metering particulate materials into fluid pressure |
| 04/04/1995 | CA2072402C Apparatus for sampling a predetermined constant quantity of a liquid |
| 04/04/1995 | CA1335091C Turbo-compressor with shared end bearing air cooling means |
| 03/28/1995 | US5401145 Electric motor operated impeller |
| 03/22/1995 | EP0644334A1 Air impeller and devices incorporating air impellers |
| 03/16/1995 | WO1995007406A1 Bladeless impeller and impeller having internal heat transfer mechanism |
| 03/15/1995 | EP0643226A1 Insertable cross flow fan |
| 03/08/1995 | CN2191304Y Energy-saving multi-speed fan |
| 02/28/1995 | US5394040 Electric motor having internal heat dissipator |
| 02/15/1995 | EP0638728A1 Rotary throat cutoff device and method for reducing centrifugal fan noise |
| 02/15/1995 | EP0593747A4 Compressor assembly with staked shell. |
| 02/15/1995 | CN2189660Y Centrifugal ventilator with adjustable air intake |
| 02/14/1995 | US5388958 Bladeless impeller and impeller having internal heat transfer mechanism |
| 02/03/1995 | CA2127588A1 Rotary throat cutoff device and method for reducing centrifugal fan noise |
| 01/17/1995 | US5381886 Apparatus and method with improved drive force capability for transporting and metering particulate material |
| 01/12/1995 | DE4416497C1 Geared multi-shaft turbo-compressor and geared multi-shaft radial expander |
| 12/28/1994 | CN1096858A Stabilizing device for extending the characteristic diagram of compressor |
| 12/27/1994 | US5375974 Stabilizing device for extending the characteristic diagram of a compressor |
| 12/22/1994 | WO1994029202A1 Grooved disk apparatus |
| 12/21/1994 | CN2185818Y Air pump type vaccum processing unit |
| 12/20/1994 | US5374160 High performance turbomolecular vacuum pumps |
| 12/14/1994 | CN1096347A Centrifugal compressor with a flow-stabilizing casing |
| 12/08/1994 | WO1994028313A1 Process for operating a friction vacuum pump |
| 11/30/1994 | EP0626519A1 Airflow measuring centrifugal fan |
| 11/23/1994 | EP0625642A1 A duct fan |
| 11/18/1994 | CA2123640A1 Airflow measuring centrifugal fan |
| 11/15/1994 | US5364228 Turbine for gas compression |
| 11/15/1994 | US5363674 Zero superheat refrigeration compression system |
| 11/10/1994 | WO1994025808A1 Zero superheat refrigeration compression system |
| 11/10/1994 | WO1994025760A1 Friction vacuum pump with pump sections of different designs |
| 11/10/1994 | CA2161792A1 Zero superheat refrigeration |
| 11/09/1994 | CN1094795A Centrifugal impeller of air blast gin with poising nut |
| 11/08/1994 | US5362203 Multiple stage centrifugal compressor |
| 10/25/1994 | US5358378 Multistage centrifugal compressor without seals and with axial thrust balance |