| Patents for F01D 17 - Regulating or controlling by varying flow (7,485) |
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| 01/31/1978 | US4071897 Power plant speed channel selection system |
| 01/10/1978 | US4067661 Thermally compensated variable turbine nozzle position indicator |
| 01/03/1978 | US4066100 Control valve |
| 11/29/1977 | USRE29485 Method of effecting fast turbine valving for improvement of power system stability |
| 11/08/1977 | US4057715 Wide range system for transferring steam generator and turbine operation between computers in a multiple turbine computer control system |
| 11/01/1977 | US4056331 Turbine control system |
| 10/11/1977 | US4053745 Valve contingency detection system for a turbine power plant |
| 10/11/1977 | US4053256 Variable camber vane for a gas turbine engine |
| 09/27/1977 | US4050844 Connection between vane arm and unison ring in variable area stator ring |
| 09/20/1977 | US4049971 Output regulator for a thermal power-producing plant |
| 09/20/1977 | US4049360 Variable stator vane actuating mechanism |
| 08/16/1977 | US4042809 System for controlling two variables |
| 08/09/1977 | US4040790 Moisture and rust detector for hydraulic control systems |
| 08/09/1977 | US4040600 Shut-off valve |
| 07/12/1977 | US4035624 System for operating a steam turbine with improved speed channel failure detection |
| 07/12/1977 | US4035101 Gas turbine nozzle vane adjusting mechanism |
| 07/05/1977 | US4033234 Throttle valve operator |
| 06/28/1977 | US4032793 Manual/automatic system for synchronizing multiple turbines in a combined cycle electric power plant |
| 06/21/1977 | US4031372 System for manually or automatically transferring control between computers without power generation disturbance in an electric power plant or steam turbine operated by a multiple computer control system |
| 06/14/1977 | US4029952 Electric power plant having a multiple computer system for redundant control of turbine and steam generator operation |
| 06/14/1977 | US4029951 Turbine power plant automatic control system |
| 06/14/1977 | US4029433 Stator vane assembly |
| 06/14/1977 | US4029255 System for operating a steam turbine with bumpless digital megawatt and impulse pressure control loop switching |
| 06/07/1977 | US4028532 Turbine speed controlling valve operation |
| 05/31/1977 | US4026327 Rapid opening valve for steam-operated power devices |
| 05/24/1977 | US4025765 System and method for operating a steam turbine with improved control information display |
| 05/24/1977 | US4025762 Reference signal circuit |
| 05/24/1977 | US4025227 Variable area turbine |
| 05/24/1977 | US4025222 Control valve unit for a hydraulic servo motor for a control valve of a turbine |
| 05/10/1977 | US4022246 Damper assembly for closing a duct for hot gases |
| 05/03/1977 | US4020869 Combined stop and intercept valve for steam turbines |
| 04/26/1977 | US4019713 Rapid shutoff extraction check valve |
| 04/26/1977 | US4019712 Positive closure system for free floating disc valve |
| 04/12/1977 | US4017056 Servo control system for electro-hydraulic inlet valves |
| 04/12/1977 | US4016723 Speed measurement system for turbine power plant |
| 04/05/1977 | US4015430 Electric power plant and turbine acceleration control system for use therein |
| 03/22/1977 | US4013877 Combined cycle electric power plant with a steam turbine having an improved valve control system |
| 03/22/1977 | US4013377 Intermediate transition annulus for a two shaft gas turbine engine |
| 02/22/1977 | US4008572 Turbine housing |
| 02/15/1977 | US4007597 Power plant and system for accelerating a cross compound turbine in such plant, especially one having an HTGR steam supply |
| 02/08/1977 | US4007407 Turbo-electric marine power plant and method of regulating the same |
| 02/01/1977 | US4005581 Method and apparatus for controlling a steam turbine |
| 01/18/1977 | US4003675 Actuating mechanism for gas turbine engine nozzles |
| 01/11/1977 | US4002065 Steam turbine valve positioning system having throttle valve test capability |
| 12/28/1976 | US3999883 Variable turbomachine stator |
| 12/28/1976 | US3999787 Method of effecting fast turbine valving for improvement of power system stability |
| 12/28/1976 | US3999390 HTGR power plant turbine-generator load control system |
| 12/07/1976 | US3995971 Rotatable vane seal |
| 12/07/1976 | US3995430 Valve noise suppression by fluid recirculation |
| 11/30/1976 | US3994620 Variable exducer turbine control |
| 11/30/1976 | US3994137 Method of and device for controlling a reheating steam turbine plant |
| 11/09/1976 | US3990810 Vane assembly for close coupling the compressor turbine and a single stage power turbine of a two-shaped gas turbine |
| 11/09/1976 | US3990809 High ratio actuation linkage |
| 11/09/1976 | US3990230 Method for controlling steam turbine and device therefor in composite plant equipped with steam turbine and gas turbine |
| 10/26/1976 | US3987818 Safety trip valve for steam or gas turbines with means to assure controlled opening from the closed position |
| 10/19/1976 | US3986364 Marine turbine control |
| 09/21/1976 | US3981608 Turbine control system |
| 09/21/1976 | US3981140 Gas turbine engine geometry control |
| 09/07/1976 | US3978889 Steam supply control device |
| 09/07/1976 | US3978885 Unbalance pressure actuator for a flow control apparatus having noise and vibration reducing arrangement thereon |
| 08/10/1976 | US3973591 Multi-port control valve |
| 08/03/1976 | US3972644 Vane control arrangement for variable area turbine nozzle |
| 07/27/1976 | US3971219 Turbine control system |
| 07/20/1976 | US3970832 Apparatus and method for obtaining an electrical signal corresponding to the specific enthalpy of steam |
| 06/29/1976 | US3966352 Variable area turbine |
| 06/29/1976 | US3965684 Device for controlling speed of turbine |
| 05/25/1976 | US3959635 System and method for operating a steam turbine with digital computer control having improved automatic startup control features |
| 05/25/1976 | US3958600 Combined starting and rapid shut-off mechanism for steam and gas turbines |
| 05/18/1976 | US3956897 Digital transfer control system for dual mode turbine operation |
| 05/11/1976 | US3956637 Intercept valve controlling method and system for use in a heat power plant |
| 05/11/1976 | US3955360 Integrated flow washboard turbine |
| 05/04/1976 | US3954349 Lever connection to syncring |
| 04/06/1976 | US3948478 Hydraulic servo system for steam turbines |
| 04/06/1976 | US3948054 Steam turbine blade protection system and method especially for electric power plants |
| 03/23/1976 | US3945762 Hydraulic guide-wheel adjusting mechanism |
| 03/09/1976 | US3943452 Frequency modulation transfer system and method |
| 02/24/1976 | US3939660 Acceleration control arrangement for turbine system, especially for HTGR power plant |
| 02/24/1976 | US3939651 Mounting for attaching a tubular member in co-axial registration with an aperture in a wall |
| 02/17/1976 | US3939328 Control system with adaptive process controllers especially adapted for electric power plant operation |
| 02/10/1976 | US3937934 System and method for operating a steam turbine with digital control having validity checked data link with higher level digital control |
| 01/27/1976 | US3934419 Load control system especially adapted for a HTGR power plant turbine |
| 01/20/1976 | US3934128 System and method for operating a steam turbine with improved organization of logic and other functions in a sampled data control |
| 01/13/1976 | US3932213 Actuation |
| 01/06/1976 | US3931503 System for operating a boiling water reactor steam turbine power plant utilizing dual analog throttle pressure controllers |
| 01/06/1976 | US3931500 System for operating a boiling water reactor steam turbine plant with a combined digital computer and analog control |