Matches 1 - 25 out of 25


Match Document Document Title
US20140037423 RAM AIR TURBINE OVERSPEED PROTECTION  
A power generation system includes a ram air turbine that is connected to a generator. The power generation system may be located in a pod, for example a pod for mounting on an aircraft. The ram...
US20140093393 CONTROL DEVICE FOR ELECTRIC WATER PUMP  
In an electric water pump for circulating cooling water of an engine mounted on a vehicle or similar, a time interval to switch energized phase of a pump motor is set to longer than a time...
US20140140810 CONDENSER FAN SPEED CONTROL FOR AIR CONDITIONING SYSTEM EFFICIENCY OPTIMIZATION  
A method for fan speed control for a condenser fan in an air conditioning system includes determining a refrigerant condition at an inlet of a compressor by a condenser fan speed control module;...
US20080038108 Axial Flow Turbine with Overspeed Preventing Device  
An axial flow turbine motor is provided which includes a rotor with a peripheral row of drive blades and a peripheral band-shaped wall element radially clamped against the tops of the drive...
US20110002772 CONTROL DEVICE AND METHOD FOR AN AERODYNAMIC BRAKE OF A WIND ENERGY CONVERTER  
A wear-free, self-contained control device for an aerodynamic emergency brake of a wind energy converter is presented that comprises multiple components in order to provide a most effective means...
US20110070068 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...
US20150159504 SYSTEM AND METHOD FOR PREVENTING AN EMERGENCY OVER-SPEED CONDITION IN A ROTATING MACHINE  
In accordance with one aspect of the present technique a method includes receiving at least one of a speed and an acceleration of a rotating component in a rotating machine. The method includes...
US20080213084 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,...
US20150247417 ROTOR TIP CLEARANCE  
A method of controlling a rotor tip clearance arrangement of a gas turbine engine and a control system configured to control rotor tip clearance. Steps include measuring at least one engine...
US20130272845 AXIAL COMPRESSOR AND CONTROL METHOD THEREOF TO STABILIZE FLUID  
A fluid stabilizing control method of an axial compressor is provided, which includes driving to drive the axial impeller, and stall controlling to suppress or prevent an occurrence of a stall...
US20110236180 GAS DRIVEN ROTATION MOTOR, A TOOL PROVIDED WITH A GAS DRIVEN ROTATION MOTOR AND A METHOD FOR REGULATING SPEED OF A GAS DRIVEN ROTATION MOTOR  
A gas driven motor includes a housing, a gas driven rotating member including a rotor and a rotor shaft carrying the rotor and journalled in a first bearing and a second bearing supported in the...
US20130129473 AVOIDANCE OF TORSIONAL EXCITATIONS IN CONVERTER-CONTROLLED COMPRESSOR RUNS  
A machine has a rotor and includes a converter-controlled drive and a working machine, wherein the drive and the working machine are connected such that a torque is transmitted. A frequency...
US20070292257 Apparatus and method to provide reduced fan noise at startup  
In some embodiments, a system includes an electronic system board, a fan positioned to provide cooling for the electronic system board, wherein the fan is configured to be controlled by a pulse...
US20140186156 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...
US20140119882 FAN CONTROL SYSTEM AND FAN CONTROL METHOD  
A fan control system and a method thereof are applicable to a computer device. The system includes a fan, a board management unit, a power control module and a rotation speed switching module. The...
US20150204309 ELECTRICAL SUPPLY INTO WIND TURBINE HUB  
The invention provides a wind turbine comprising a nacelle, a rotor comprising at least one blade attached to a hub, and an electrical supply structure for supplying electrical power from the...
US20100021281 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...
US20100028126 APPARATUS AND METHOD FOR CONTROLLING A ROTARY MACHINE USING PRESSURIZED GAS  
An apparatus and method for controlling rotating bladed machinery by using a source of pressurized gas is disclosed. The source of pressurized gas, such as air, imparts braking torque on a...
US20150050120 FAN SPEED AND MEMORY REGULATOR CONTROL BASED ON MEMORY MARGIN  
Methods and systems for fan speed control based on memory margin are disclosed. According to an aspect, a method includes determining an operating margin of a memory interface. The method also...
US20170175745 ELECTRIC PUMP SYSTEM  
An electric pump system includes a pump, a motor, and a control circuit. The motor drives the pump. The control circuit controls operation of the motor. The control circuit includes a...
US20160312652 PASSIVE OVERSPEED CONTROLLED TURBO PUMP ASSEMBLY  
A turbine pump assembly has a turbine, a centrifugal pump, and a passive electrical speed control system. The turbine has a peak efficiency at a first speed that is lower than a second speed at...
US20160160866 AIR CYCLE MACHINE SPEED DIAGNOSTIC  
A method and apparatus for operating an air cycle machine is disclosed. The apparatus includes a detector for measuring a rotational speed of a component of the air cycle machine. A processor...
US20160138600 Fuel Cell System and Method for Controlling Rotational Speed of Air Compressor  
A fuel cell system includes an air compressor that supplies oxidant gas to a fuel cell installed in a fuel cell vehicle, a measured rotational speed acquirer that acquires a measured value of...
US20160069268 ENGINE-INDUCED AIRCRAFT CABIN RESONANCE REDUCTION SYSTEM AND METHOD  
A system and method of reducing engine induced aircraft cabin resonance includes sensing the core engine speed of a first turbofan gas turbine engine, and sensing the core engine speed of a second...
US20150322952 WET GAS COMPRESSOR AND METHOD  
A centrifugal compressor for processing a wet gas. The centrifugal compressor includes: a casing; and least one compressor stage comprising at least one impeller rotatingly arranged in the casing...

Matches 1 - 25 out of 25