F04D 21 - Pumps specially adapted for elastic fluids involving supersonic speed of pumped fluids

Patents for F04D 21 - Pumps specially adapted for elastic fluids involving supersonic speed of pumped fluids (215)
02/2010
02/10/2010	EP2150703A1 Compression method and means
09/2009
09/02/2009	EP2096320A1 Cascade of axial compressor
07/2009
07/23/2009	WO2009092046A1 Method and apparatus for starting supersonic compressors
07/23/2009	CA2712343A1 Method and apparatus for starting supersonic compressors
07/22/2009	EP2080909A1 Transonic airfoil and axial flow rotary machine
04/2009
04/14/2009	US7517193 Centrifugal compressor and manufacturing method for impeller
10/2008
10/16/2008	WO2008122781A1 Compression method and means
10/16/2008	CA2682672A1 Compression method and means
07/2008
07/31/2008	US20080181769 Tone noise reduction in turbomachines
02/2008
02/26/2008	US7334990 Supersonic compressor
01/2008
01/22/2008	US7320575 Methods and apparatus for aerodynamically self-enhancing rotor blades
12/2007
12/27/2007	US20070297904 Compressor Of A Gas Turbine And Gas Turbine
11/2007
11/13/2007	US7293955 Supersonic gas compressor
10/2007
10/04/2007	US20070227516 Supercharger
04/2007
04/24/2007	US7207772 Compressor for an aircraft engine
02/2007
02/28/2007	EP1756409A1 Shockwave-induced boundary layer bleed for transonic gas turbine
02/01/2007	US20070023017 Supercharger
01/2007
01/10/2007	EP1741935A1 Centrifugal compressor and method of manufacturing impeller
12/2006
12/12/2006	US7147426 Shockwave-induced boundary layer bleed
11/2006
11/22/2006	EP1723339A1 Compressor of a gas turbine and gas turbine
10/2006
10/31/2006	US7128061 Supercharger
06/2006
06/06/2006	US7056089 High-turning and high-transonic blade
03/2006
03/30/2006	US20060067821 Methods and apparatus for aerodynamically self-enhancing rotor blades
02/2006
02/28/2006	US7004722 Axial flow compressor
02/16/2006	US20060034691 Supersonic compressor
01/2006
01/17/2006	US6986639 Stator blade for an axial flow compressor
12/2005
12/08/2005	US20050271500 Supersonic gas compressor
11/2005
11/24/2005	US20050260074 Centrifugal compressor and manufacturing method for impeller
11/17/2005	WO2005108759A1 Shockwave-induced boundary layer bleed for transonic gas turbine
11/17/2005	CA2565867A1 Shockwave-induced boundary layer bleed for transonic gas turbine
11/10/2005	US20050249578 Shockwave-induced boundary layer bleed
10/2005
10/06/2005	DE102004011607A1 Verdichter einer Gasturbine sowie Gasturbine Compressor of a gas turbine and gas turbine
09/2005
09/29/2005	WO2005090794A1 Centrifugal compressor and method of manufacturing impeller
09/22/2005	WO2005088135A1 Compressor of a gas turbine and gas turbine
09/22/2005	CA2558325A1 Compressor of a gas turbine and gas turbine
09/07/2005	EP1571342A2 Swept turbomachinery blade
07/2005
07/14/2005	WO2005042924A3 Centrifugal supercharger
05/2005
05/25/2005	EP1533529A2 Method to improve the flow conditions in an axial compressor and axial compressor using this method
05/12/2005	WO2005042924A2 Centrifugal supercharger
05/05/2005	US20050092307 Supercharger
04/2005
04/07/2005	WO2004099588A3 Supersonic compressor
03/2005
03/17/2005	WO2004029451A3 Supersonic gas compressor
11/2004
11/18/2004	WO2004099588A2 Supersonic compressor
11/18/2004	US20040228732 High-turning and high-transonic blade
10/2004
10/21/2004	DE102004013645A1 Stark umlenkende und hochtranssonische Schaufel Strong deflecting vane and hochtranssonische
08/2004
08/12/2004	WO2004029432A3 Gas turbine power plant with supersonic gas compressor
08/12/2004	US20040154305 Gas turbine power plant with supersonic gas compressor
08/05/2004	US20040151579 Supersonic gas compressor
07/2004
07/22/2004	US20040141847 Stator blade for an axial flow compressor
04/2004
04/08/2004	WO2004029451A2 Supersonic gas compressor
04/08/2004	WO2004029432A2 Gas turbine power plant with supersonic gas compressor
02/2004
02/12/2004	US20040028526 Axial flow compressor
11/2003
11/13/2003	US20030210980 Supersonic compressor
03/2003
03/27/2003	WO2003025379A1 Shesterenko method and device for jet acceleration of gas and producing energy from a vacuum
03/18/2003	USRE38040 Swept turbomachinery blade
03/04/2003	US6527510 Stator blade and stator blade cascade for axial-flow compressor
04/2002
04/16/2002	CA2058864C Air-oil flooded screw compressor system
02/2002
02/21/2002	US20020021968 Stator blade and stator blade cascade for axial-flow compressor
12/2001
12/13/2001	DE10027084A1 Guide blade for axial compressor; has curved inner and outer sides on same side of chordal line and has beads on sides of leading and trailing edges
10/2001
10/04/2001	EP1138877A1 Swept turbomachinery blade
01/2000
01/25/2000	US6017186 Rotary turbomachine having a transonic compressor stage
05/1999
05/12/1999	DE19749648A1 Two-stage compressor for turbines in super ultrasonic jet aircraft engines
01/1999
01/20/1999	CN2304777Y Fan with wheel style paddles
12/1998
12/03/1998	WO1998054470A1 A fan with outer band
06/1998
06/10/1998	EP0846867A2 Turbomachine with a transsonic compression stage
07/1997
07/01/1997	US5642985 Swept turbomachinery blade
05/1997
05/21/1997	EP0774567A1 Swept turbomachinery blade
09/1996
09/18/1996	EP0732505A1 Rotor blades for axial flow compressor
08/1996
08/21/1996	EP0411134B1 Turbo-blower for laser and laser oscillator using the same
05/1996
05/07/1996	US5513952 Axial flow compressor
10/1995
10/24/1995	US5460488 Shrouded fan blade for a turbine engine
10/04/1995	EP0675290A2 Axial flow compressor
09/1995
09/29/1995	CA2143879A1 Axial flow compressor
06/1994
06/01/1994	EP0446369B1 Turbo blower for laser and laser oscillator using the same
04/1993
04/27/1993	US5206873 Turbo blower for laser and laser oscillation device employing the turbo blower
07/1992
07/07/1992	CA1304730C High efficiency transonic mixed-flow compressor method and apparatus
06/1992
06/23/1992	US5123811 Supersonic centrifugal compressor
09/1991
09/18/1991	EP0446369A1 Turbo blower for laser and laser oscillator using the same
04/1991
04/23/1991	CA1283366C Reduced loss swept supersonic fan blade
04/05/1991	WO1991005384A1 Turbo blower for laser and laser oscillator using the same
04/05/1991	CA2042401A1 Turbo blower for laser and laser oscillation device employing the turbo blower
02/1991
02/06/1991	EP0411134A1 Turbo-blower for laser and laser oscillator using the same
06/1990
06/28/1990	WO1990007062A1 Turbo-blower for laser and laser oscillator using the same
06/27/1990	EP0375198A2 Supersonic centrifugal compressor
06/21/1990	CA2004676A1 Turbo blower for laser and laser oscillating apparatus employing same
08/1989
08/22/1989	US4859145 Compressor with supercritical diffuser
01/1989
01/17/1989	US4798519 Compressor part span shroud
05/1988
05/04/1988	EP0266298A2 Reduced loss swept supersonic fan blade
02/1988
02/23/1988	US4726737 Reduced loss swept supersonic fan blade
07/1987
07/07/1987	US4678398 High efficiency transonic mixed-flow compressor method and apparatus
11/1986
11/12/1986	EP0201318A2 High efficiency transonic mixed-flow compressor method and apparatus
08/1984
08/07/1984	CA1172223A1 Compressor diffuser and method
05/1984
05/01/1984	US4445816 Supersonic compressor with improved operation range
10/1983
10/11/1983	US4408957 Supersonic blading
09/1982
09/14/1982	US4349314 Compressor diffuser and method
11/1981
11/25/1981	EP0040534A1 Compressor diffuser
10/1981
10/20/1981	CA1111008A1 Dual function compressor bleed
02/1981
02/03/1981	US4248566 Dual function compressor bleed
04/1980
04/22/1980	US4199296 Gas turbine engines
04/08/1980	CA1075159A1 Supersonic compressor with off-design performance improvement

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