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Class Information
Number: 415/151
Name: Rotary kinetic fluid motors or pumps > Selectively adjustable vane or working fluid control means > Upstream of runner
Description: Apparatus in which the vane* or other means is positioned ahead of at least one blade* row of a runner* in relation to the direction of flow of working fluid*.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7556473 |
Control unit for compressor |
Jul. 7, 2009 |
| 7520716 |
Vane system equipped with a guiding mechanism for centrifugal compressor |
Apr. 21, 2009 |
| 7513114 |
Exhaust gas turbocharger for a reciprocating internal combustion engine and corresponding reciprocating internal combustion engine |
Apr. 7, 2009 |
| 7507066 |
Pump header body and modular manifold |
Mar. 24, 2009 |
| 7503744 |
Undershot impulse jet driven waterwheel having an automatically adjustable radial gate for optimal hydroelectric power generation and water level control |
Mar. 17, 2009 |
| 7481056 |
Turbocharger with adjustable throat |
Jan. 27, 2009 |
| 7431558 |
Air intake |
Oct. 7, 2008 |
| 7393178 |
Stator vane stage actuated by a rotary actuator ring moved by electric motor means |
Jul. 1, 2008 |
| 7354242 |
Variable nozzle for a gas turbine |
Apr. 8, 2008 |
| 7351029 |
Rotary vacuum blower |
Apr. 1, 2008 |
| 7293955 |
Supersonic gas compressor |
Nov. 13, 2007 |
| 7290981 |
Inline vent fan |
Nov. 6, 2007 |
| 7234917 |
Rotary apparatus for a gas turbine engine |
Jun. 26, 2007 |
| 7195443 |
Variable pressure-controlled cooling scheme and thrust control arrangements for a steam turbine |
Mar. 27, 2007 |
| 7147430 |
Pneumatic valve control using downstream pressure feedback and an air turbine starter incorporating the same |
Dec. 12, 2006 |
| 7140188 |
Gas turbine engine with intake air flow control mechanism |
Nov. 28, 2006 |
| 7066710 |
Pneumatic valve control having improved opening characteristics and an air turbine starter incorporating the same |
Jun. 27, 2006 |
| 7059824 |
Self priming centrifugal pump |
Jun. 13, 2006 |
| 7025557 |
Secondary flow control system |
Apr. 11, 2006 |
| 6941755 |
Integrated bypass and variable geometry configuration for an exhaust gas turbocharger |
Sep. 13, 2005 |
| 6942454 |
Vertical axis wind turbine |
Sep. 13, 2005 |
| 6929447 |
Steam line closing valve and steam turbine plant comprising such a steam line closing valve |
Aug. 16, 2005 |
| 6910855 |
Rotary apparatus for a gas turbine engine |
Jun. 28, 2005 |
| 6908277 |
Speed governor for a pneumatic rotation motor |
Jun. 21, 2005 |
| 6872050 |
Variable geometry diffuser mechanism |
Mar. 29, 2005 |
| 6824347 |
Valve and related methods for reducing fluid pressure and generating power |
Nov. 30, 2004 |
| 6769449 |
Water booster methods and apparatus |
Aug. 3, 2004 |
| 6638005 |
Coaxial wind turbine apparatus having a closeable air inlet opening |
Oct. 28, 2003 |
| 6638014 |
Valve arrangement for a power plant |
Oct. 28, 2003 |
| 6533543 |
Vortex prevention apparatus in pump |
Mar. 18, 2003 |
| 6517309 |
Pumping apparatus and methods |
Feb. 11, 2003 |
| 6494672 |
Method and apparatus for antisurge control of turbocompressors having complex and changing surge limit lines |
Dec. 17, 2002 |
| 6485258 |
Electromechanical actuator for a valve and steam turbine |
Nov. 26, 2002 |
| 6468051 |
Helical flow compressor/turbine permanent magnet motor/generator |
Oct. 22, 2002 |
| 6454528 |
Intake and exhaust damper with movable motor fan assembly |
Sep. 24, 2002 |
| 6450878 |
Ventilation module |
Sep. 17, 2002 |
| 6443695 |
Steam turbine |
Sep. 3, 2002 |
| 6413056 |
Air compressor having means to selectively control air flow therein |
Jul. 2, 2002 |
| 6390772 |
Axial flow turbine air economizer |
May. 21, 2002 |
| 6246125 |
Portable wind and hydro electric generating system |
Jun. 12, 2001 |
| 6238178 |
Water booster methods and apparatus |
May. 29, 2001 |
| 6223534 |
Engine-braking arrangement for an internal combustion engine with an exhaust-gas turbocharger |
May. 1, 2001 |
| 6217278 |
Turbomolecular pump |
Apr. 17, 2001 |
| 6219234 |
Method for using pulsating flow to improve thermal transport in systems |
Apr. 17, 2001 |
| 6206633 |
Case assembling structure of blower unit |
Mar. 27, 2001 |
| 6174129 |
Turbine vane clocking mechanism and method of assembling a turbine having such a mechanism |
Jan. 16, 2001 |
| 6146088 |
Process for the rotational driving of a turbine by means of an ejector device |
Nov. 14, 2000 |
| 6071073 |
Method of fabricating a turbine inlet casing and the turbine inlet casing |
Jun. 6, 2000 |
| 6062810 |
Turbomolecular pump |
May. 16, 2000 |
| 6059541 |
Air inlet cover for portable blower/vacuum |
May. 9, 2000 |
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