| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 415030000 | By shaft speed or torque responsive means | 19 |
| 20080213084 | Gas Turbine Overspeed Protection System - An overspeed protection system for a gas turbine engine comprises: a plurality of engine speed sensors that generate engine speed signals; and a plurality of engine overspeed detection channels, each channel comprising an overspeed detector that receives and generates an overspeed signal when it detects the engine speed signal exceeding a selected value of overspeed. | 09-04-2008 |
| 20100021281 | Power management system and method - The present disclosure is directed to a method for power management in a machine. The method for power management may include sensing a parameter indicative of a torque applied to a torque consuming device rotatably driven by a power source. The method may further include modifying a quantity of fuel supplied to the power source as a function of the sensed parameter. | 01-28-2010 |
| 20110070068 | FLUID TURBINE DEVICES AND METHODS RELATED TO FLUID TURBINE DEVICES - Fluid turbine devices and methods related to fluid turbine devices are disclosed herein. One example method includes deflecting a first portion of a fluid flow from a return path of a vertical blade assembly, while permitting a second portion of the fluid flow to enter a drive path of the vertical blade assembly. Another example method related to a fluid flow device includes orienting a shroud relative to a fluid flow to deflect a first portion of a fluid flow from a return path of a vertical blade assembly and to permit a second portion of the fluid flow to enter a drive path of the vertical blade assembly and activating a generator, based on an operating characteristic of the fluid turbine device, to regulate a rotational speed of the vertical blade assembly. | 03-24-2011 |
| 20140186156 | FAN CONTROL CIRCUIT AND SYSTEM - A fan control circuit for controlling a two-wire or three wire fan in a fan control system includes: a rotational speed detecting module, for detecting a rotational speed of the fan, in order to generate a rotational speed signal; a rotational speed converting module, coupled to the rotational speed detecting module, for converting the rotational speed signal into a first voltage signal; and a feedback control module, coupled to the rotational speed converting module, for generating a fan control signal to control the fan according to the first voltage signal. | 07-03-2014 |
| 415033000 | Of adjustable runner, blade, shaft or bearing | 4 |
| 20100158662 | SYSTEM FOR CONTROLLING AT LEAST TWO VARIABLE-GEOMETRY EQUIPMENTS OF A GAS TURBINE ENGINE, PARTICULARLY BY RACK - The invention relates to a system for controlling at least two variable-geometry equipments of a gas turbine engine. The engine comprises at least a first core rotating at a first speed and a second core rotating at a second speed, the first equipment ( | 06-24-2010 |
| 20100158663 | SYSTEM FOR CONTROLLING AT LEAST TWO VARIABLE-GEOMETRY EQUIPMENTS OF A GAS TURBINE ENGINE, PARTICULARLY BY CAM MECHANISM - The invention relates to a system for controlling at least two variable-geometry equipments of a gas turbine engine. The engine comprises at least a first core rotating at a first speed and a second core rotating at a second speed, the first equipment ( | 06-24-2010 |
| 20110250052 | ROTOR IMBALANCE LOAD LIMITING SYSTEM AND METHOD - Methods and apparatus are provided for limiting the load on a rotor support structure when a rotationally mounted rotor becomes imbalanced. The rotor is rotationally mounted within a plurality of circumferentially spaced variable volume hydraulic fluid receptacles that at least engage the rotor and have hydraulic fluid disposed therein. Each of the variable volume hydraulic fluid receptacles is fluidly connected to a substantially fixed volume hydraulic fluid receptacle that has hydraulic fluid disposed therein and is coupled to the rotor support structure. When the rotor becomes imbalanced, the hydraulic fluid is continuously moved between the variable volume hydraulic fluid receptacles and the substantially fixed volume hydraulic fluid receptacle. | 10-13-2011 |
| 415034000 | Axially shifted runner, shaft or bearing | 1 |
| 20130022448 | UNCOUPLING SYSTEM FOR AN AIRCRAFT TURBOJET ENGINE ROTARY SHAFT - A decoupling system for a rotary shaft of an aircraft turbojet, the decoupling system including: a rolling bearing including rolling elements inserted between a first ring fastened to a stationary bearing support and a second ring mounted in a mounting chamber fastened to a rotary shaft; a transmission mechanism transmitting rotary torque from the rotary shaft to the second ring; a mechanism allowing the second ring to move radially relative to the mounting chamber when a static force associated with an unbalance affecting the rotary shaft exceeds a predetermined threshold; and a plurality of leaktight flexible bags interposed between the second ring and the mounting chamber and each including a heterogeneous structure including a porous capillary solid matrix and an associated liquid relative to which the matrix is lyophobic. | 01-24-2013 |
| 415035000 | Of movable deflector intermediate jet discharge and runner | 4 |
| 20090067981 | FLOW CONTROL DEVICE - The present invention provides a flow control device for controlling fluid flow into a turbine, said turbine comprising: a stator comprising a plurality of vanes extending radially inwards from a casing and arranged to define therebetween a plurality of nozzles extending radially inwards from casing; a rotor located in a fluid flow direction downstream of said stator and comprising a plurality of blades extending radially from said turbine shaft, wherein said fluid is arranged to be admitted to said turbine upstream of said stator and to flow around said plurality of vanes through said plurality of nozzles for impingement upon said plurality of blades of said rotor; and flow control means arranged to control a nozzle area open for fluid flow by altering the radial length of at least one of said plurality of nozzles, said flow control means comprising: an actuating means comprising a plurality of arcuate plates located within a peripheral cavity in a housing of said turbine such that a longer curved edge of each of said arcuate plates is outermost within said housing of said turbine and a shorter curved edge is innermost; and a baffle arrangement comprising a plurality of baffle plates connected at first ends thereof to a periphery of said turbine and at second ends thereof to said actuating plates, each baffle plate extending through a corresponding nozzle from an upstream side of said stator to a downstream side of said stator, wherein said actuating means is arranged to selectively move said baffle arrangement between a retracted position and an extended position where at least one of said baffle plates extends into a flow channel of a corresponding nozzle, and to maintain said baffle arrangement at either said retracted or extended positions, or at any selected position therebetween, thereby effectively controlling the radial length of at least one of said plurality of nozzles. | 03-12-2009 |
| 20160039503 | SMALL VESSEL PROPULSION SYSTEM - A small vessel propulsion system includes a mode switching signal output outputting a mode switching signal to switch a travel mode among a plurality of travel modes including a first mode of making a small vessel travel in accordance with operation of an accelerator operator and a second mode of making the small vessel travel in accordance with a command different from the operation of the accelerator operator, and a controller configured or programmed to switch the shift position of the shift mechanism to the forward drive position by controlling the shift actuator and switch the travel mode to the second mode when the mode switching signal output outputs the mode switching signal to switch from the first mode to the second mode and the shift position detector detects a shift position other than the forward drive position. | 02-11-2016 |
| 20160039504 | JET PROPELLED WATERCRAFT - A jet propelled watercraft includes a prime mover, a jet pump driven by the prime mover and jetting water from a jet port, a reverse gate changing a direction of the jet flow jetted from the jet pump, a shift actuator capable of moving a position of the reverse gate to a plurality of shift positions including a forward drive position, at which the direction of the jet flow is toward the rear of the body, a reverse drive position, at which the direction of the jet flow is toward the front of the body, and an intermediate position in between these positions, and a controller configured or programmed to execute a stoppage shift control of controlling the shift actuator to move the reverse gate to the forward drive position when stoppage of the prime mover is detected. | 02-11-2016 |
| 20160039506 | JET PROPELLED WATERCRAFT - A jet propelled watercraft includes a prime mover, a jet pump driven by the prime mover and jetting water from a jet port, a reverse gate changing a direction of the jet flow jetted from the jet pump, a shift actuator switching a position of the reverse gate among a plurality of shift positions, a reverse gate position detector detecting the position of the reverse gate, and a controller configured or programmed to execute a shift control of setting a target shift position of the reverse gate and controlling the shift actuator to move the reverse gate to the target shift position and execute an error judgment of judging that an error has occurred when the position detected by the reverse gate position detector differs from a control position. | 02-11-2016 |
| 415036000 | Of working fluid valve or vane | 7 |
| 20100080684 | SYSTEM FOR CONTROLLING VARIABLE-GEOMETRY EQUIPMENTS OF A TURBOMACHINE, PARTICULARLY BY ARTICULATED BELLCRANKS - A system for controlling at least two variable-geometry equipments ( | 04-01-2010 |
| 20100254799 | WIND ENERGY DEVICE - A shroud for vertical axis wind turbines. The shroud contains vanes that direct airflow to the turbine blades to increase efficiency. The vanes in the shroud further provide a means to close entirely the turbine from adverse weather conditions. The vanes are operated utilizing electrical feedback from the rotational speed of the turbine. | 10-07-2010 |
| 20110044794 | METHOD OF CONTROLLING TURBINE EQUIPMENT AND TURBINE EQUIPMENT - To provide a method of controlling a turbine equipment and a turbine equipment capable of carrying out a starting operation of controlling a load applied to a speed reducing portion while complying with a restriction imposed on an apparatus provided at a turbine equipment. The invention is characterized in including a speed accelerating step (S | 02-24-2011 |
| 20150044024 | TURBINE THRUST CONTROL SYSTEM - Systems and programs for controlling thrust in a turbine by adjusting the clearance between a packing seal and a rotating component are disclosed. In one embodiment, a system includes a controller configured to move a packing seal to a selected clearance position in response to a thrust pressure exceeding a target pressure, and a sensor coupled to the controller and configured to detect the thrust pressure. | 02-12-2015 |
| 20160115936 | Tidal Power Generation System and Methods - The invention provides a system for the extraction of energy from an underwaterflow stream in a body of water. The system comprises a support frame which comprises a plurality of receptacles for mounting functional modules on the support frame. The plurality of receptacles are arranged to form a horizontally-distributed two-dimensional array on the support frame. The plurality of vertical axis turbine units is configured to be interchangeably mounted in the receptacles. | 04-28-2016 |
| 415037000 | Including valve in interstage or re-entry passage | 1 |
| 20130243574 | OPERATION CONTROL APPARATUS AND OPERATION CONTROL METHOD FOR STEAM TURBINE - A speed controller generates a speed control output signal based on an output target value and a detected speed of a steam turbine, an extraction pressure controller generates an extraction pressure control output signal based on an extraction flow rate target value and a detected extraction pressure of the steam turbine, and when operation signals of a governor valve and an extraction control valve are generated with reference to an extraction map for deriving opening degrees of the valves at an operation point determined depending on the signals, the extraction map is used with a scale of the extraction pressure control output signal in the extraction map being corrected to be multiplied by “extraction flow rate target value/extraction flow rate actual value” based on a regularly detected extraction flow rate actual value of the steam turbine. | 09-19-2013 |
| 415042000 | Actuated by runner or separate motor | 1 |
| 415043000 | Fluid servo-motor and speed responsive means actuated pilot valve | 1 |
| 20120114460 | VOTING HYDRAULIC DUMP SYSTEM - Systems and method for shutting down a turbine, with the system including a housing defining first and second flowpaths therein, and an inlet coupled to the housing and fluidly coupled to a source of a fluid and to the first and second flowpaths. The system also includes a first outlet coupled to the housing and selectively coupled to the first and second flowpaths, and a second outlet coupled to the housing and selectively coupled to the first and second flowpaths. The system further includes first, second, and third control valves received in the housing and intersecting the first and second flowpaths. The first, second, and third control valves are each movable between a tripped position and an untripped position, such that if two out of three are in the tripped position, fluid is blocked from the first outlet and is directed to the second outlet. | 05-10-2012 |
