公开(公告)号：US12123360B2

公开(公告)日：2024-10-22

申请号：US17756970

申请日：2020-12-01

申请人： SAFRAN AIRCRAFT ENGINES

发明人： Nicolas Bertrand Georges De Blois ,  Clément Dupays

IPC分类号： G05B19/29 ,  B60R16/03 ,  F02C9/18 ,  H02P5/49

CPC分类号： F02C9/18 ,  B60R16/03 ,  H02P5/49 ,  F05D2220/323 ,  F05D2260/606 ,  F05D2270/62

摘要： In an electromechanical actuation chain for controlling the movement of mobile loads of an aircraft turbine engine, from a control unit, one or more of these mobile loads being actuated by an electromechanical actuator, there is provided for control of this movement a single Ethernet controller having deterministic control that uses an Ethernet bus to control a set of converters acting selectively on the electromechanical actuators.

公开(公告)号：US12000345B2

公开(公告)日：2024-06-04

申请号：US17867507

申请日：2022-07-18

申请人： RAYTHEON TECHNOLOGIES CORPORATION

发明人： Michael M. Romero ,  Gary Collopy

IPC分类号： F02C9/16 ,  F02C7/32

CPC分类号： F02C9/16 ,  F02C7/32 ,  F05D2270/101 ,  F05D2270/62

摘要： A surge control system includes a rotor system with at least one compressor section and at least one turbine section operably coupled to a shaft. The surge control system also includes sensors configured to collect sensor data from the rotor system, an electric motor operably coupled to the rotor system, and a controller. The controller is operable to detect surge event from the sensor data, determine an amount of power to apply to the rotor system, and increase the amount of power provided to the rotor system to recover from the surge event.

公开(公告)号：US11866146B2

公开(公告)日：2024-01-09

申请号：US18077765

申请日：2022-12-08

申请人： Rosemount Aerospace Inc.

发明人： Bhavik Mugeraya ,  Venkatesh Balakrishnan

IPC分类号： B60S1/52 ,  B64C1/14 ,  B05B1/00 ,  B05B1/14 ,  B05B7/24 ,  B05B9/03 ,  B05B12/14 ,  B05B13/04 ,  B08B1/00 ,  B08B3/02 ,  B08B5/02 ,  B08B13/00 ,  B60S1/48 ,  F02C6/06 ,  B60S1/08

CPC分类号： B64C1/1476 ,  B05B1/005 ,  B05B1/14 ,  B05B7/24 ,  B05B9/03 ,  B05B12/14 ,  B05B13/0405 ,  B08B1/005 ,  B08B1/008 ,  B08B3/024 ,  B08B5/02 ,  B08B13/00 ,  B60S1/487 ,  B60S1/522 ,  F02C6/06 ,  B08B2203/007 ,  B08B2203/027 ,  B60S1/08 ,  F05D2220/323 ,  F05D2270/62

摘要： An aircraft windshield wiper system includes a wiper arm, a wiper blade coupled to a first end of the wiper arm, and an output shaft coupled to a second end of the wiper arm. The wiper blade includes a fluid dispensing system including nozzles, a fluid control unit, fluid lines, fluid source, and a user interface. The wiper blade with the fluid dispensing system is configured to dispense a variety of fluids directly from the wiper blade onto the windshield of an aircraft.

公开(公告)号：US11827336B2

公开(公告)日：2023-11-28

申请号：US16717547

申请日：2019-12-17

申请人： Hamilton Sundstrand Corporation

发明人： Timothy Maver ,  Julien Lassalle ,  Thibaut Marger ,  Gregory Giddings ,  Charles L. DeGeorge ,  Stephen J. Bukowinski ,  Romain Bouloc

IPC分类号： B64C11/38 ,  B64C11/40 ,  B64C11/30 ,  B64C11/44 ,  B64D27/02

CPC分类号： B64C11/385 ,  B64C11/40 ,  B64C11/303 ,  B64C11/44 ,  B64D2027/026 ,  F05D2220/323 ,  F05D2260/76 ,  F05D2260/79 ,  F05D2260/83 ,  F05D2270/62

摘要： A system for controlling a propeller having a plurality of blades having a primary control system and a backup control system. The primary control system including a sensor responsive to a propeller state, and a controller connected to the sensor and to an electrohydraulic control actuator. The electrohydraulic control actuator is connected via a bypass valve to a hydraulic actuator that controls at least a blade angle of a blade of the propeller. The controller generating commands to the electrohydraulic control actuator based on at least the propeller state. The backup control system including a second controller, an electrohydraulic solenoid operably connected to the bypass valve. The backup control system is operable to hydraulically disable the primary control system via the bypass valve upon the occurrence of a selected condition, the second controller modulates the operation of the electrohydraulic solenoid to control the bypass actuator based on the propeller state.

公开(公告)号：US20230366364A1

公开(公告)日：2023-11-16

申请号：US18246395

申请日：2021-10-13

申请人： SAFRAN NACELLES

发明人： Hakim MAALIOUNE ,  Matthieu LEROUVREUR ,  Vincent Jean-Francois PEYRON

IPC分类号： F02K1/76

CPC分类号： F02K1/763 ,  F02K1/766 ,  F05D2270/52 ,  F05D2270/62

摘要： A thrust-reversal cowling selectively movable between a retracted position for leaving unchanged the thrust of an aircraft turbine engine, and a deployed position for reversing the thrust of the turbine engine; an electrical actuator of the cowling; a local control module to receive commands from a global control module to control the electrical actuator to move the cowling, these commands including a retraction command and a deployment command; and a connection between the global control module and the local control module for conveying at least one analogue signal. The local control module identifies one among a plurality of predefined ranges of values, in which each analogue signal is located at a given instant, each command being associated with one or more value ranges; and determining the received command as being that associated with the identified range or ranges of values.

公开(公告)号：US20180258855A1

公开(公告)日：2018-09-13

申请号：US15452619

申请日：2017-03-07

申请人： UNITED TECHNOLOGIES CORPORATION

发明人： Derek J. Michaels ,  Dilip Prasad

IPC分类号： F02C7/045 ,  F02C7/057 ,  F01D25/06

CPC分类号： F02C7/045 ,  B64D2033/0206 ,  F01D5/26 ,  F01D25/06 ,  F02C7/057 ,  F02C9/00 ,  F05D2220/36 ,  F05D2260/96 ,  F05D2260/962 ,  F05D2270/44 ,  F05D2270/62 ,  F05D2270/80 ,  Y02T50/672

摘要： Disclosed is a flutter damper, including an acoustic liner configured for peak acoustical energy absorption at a frequency range that is greater than a frequency range associated with fan flutter, a chamber, and a piezoelectric element disposed within a first surface of the chamber, and the chamber being configured for peak acoustical energy absorption at a frequency range that is associated with one or more fan flutter modes, and wherein the piezoelectric element is operatively connected to an electronic engine control.

公开(公告)号：US10018073B2

公开(公告)日：2018-07-10

申请号：US15326999

申请日：2015-07-16

申请人： Safran Aircraft Engines

发明人： Irene Bujon

IPC分类号： F02C9/26 ,  F01D21/14 ,  F01D21/20 ,  F02C9/46

CPC分类号： F01D21/14 ,  F01D21/20 ,  F02C7/232 ,  F02C9/26 ,  F02C9/46 ,  F05D2270/62

摘要： There is proposed a method for controlling a bistable shutoff vale for an aircraft engine, involving the steps of: emitting a closure signal on one of the control channels—emitting an open signal on the other control channel, the method being characterized in that—the amplitude of the close signal is designed to cause the vane to move into a first position constantly in a given period of time,—in the same period, the amplitude of the open signal fluctuates between a value designed to urge the valve toward a second position and a rest value, the actuating values of the two signals being adapted to one another in order to keep the vane immobile when the two signals received by the valve simultaneously adopt said actuation values.

公开(公告)号：US09777843B2

公开(公告)日：2017-10-03

申请号：US14893904

申请日：2014-02-19

申请人： MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION

发明人： Yasuhiko Kawamura

IPC分类号： F16K1/32 ,  F16K15/06 ,  F16K27/02 ,  F16K27/08 ,  F16K1/34 ,  F01D17/14 ,  F01D25/16 ,  F01K13/02

CPC分类号： F16K1/34 ,  F01D17/145 ,  F01D25/166 ,  F01K13/02 ,  F05D2220/31 ,  F05D2260/57 ,  F05D2270/62 ,  F05D2300/172 ,  F05D2300/501 ,  F05D2300/506 ,  F16K1/32 ,  F16K15/063 ,  F16K27/02 ,  F16K27/0209 ,  F16K27/08

摘要： A steam valve includes a valve body having a valve seat in a steam channel, a valve stem configured to close the steam channel by coming in contact with the valve seat and to open the steam channel by moving from the valve seat and a guide portion configured to slidably guide the valve stem in a moving direction thereof. The guide portion has a guide body that encloses the valve stem from a radial outer side of the valve stem and a guide bush that is detachably fixed inside the guide body, has an inner surface which abuts and slides on an outer circumferential surface of the valve stem, and is formed of a material having corrosion resistance.

公开(公告)号：US09737916B2

公开(公告)日：2017-08-22

申请号：US14833306

申请日：2015-08-24

申请人： William Schneider ,  Yvette Wood ,  Andrew Peduchi

发明人： William Schneider ,  Yvette Wood ,  Andrew Peduchi

IPC分类号： B08B7/04 ,  B08B7/02 ,  B64D15/16 ,  F01D25/02 ,  F02C7/055 ,  F24F11/00 ,  F02C7/04 ,  B64D33/02

CPC分类号： B08B7/02 ,  B64D15/16 ,  B64D2033/0233 ,  F01D25/02 ,  F02C7/04 ,  F02C7/055 ,  F05D2260/96 ,  F05D2270/62 ,  F24F11/30 ,  F24F11/41 ,  Y02T50/672

摘要： In one embodiment, a system includes an inlet grid configured to reduce distortion of an incoming airflow. The system may also include a vibration device coupled to the inlet grid and a controller communicatively coupled to the vibration device. The controller may transmit a vibration signal to the vibration device causing the vibration device to vibrate the inlet grid such that the inlet grid resonates at a natural frequency inducing a mode shape in the inlet grid. The mode shape may break up and prevent ice on the inlet grid.

公开(公告)号：US09654862B2

公开(公告)日：2017-05-16

申请号：US14014139

申请日：2013-08-29

申请人： Lars Strömbäck

发明人： Lars Strömbäck

IPC分类号： H04R23/00 ,  H04R1/22 ,  F04D29/30 ,  F04D33/00

CPC分类号： H04R1/22 ,  F04D29/305 ,  F04D33/00 ,  F05D2270/62 ,  H04R23/00

摘要： A combined fan and loudspeaker element, comprising a motor driven rotor provided with wings or blades, wherein the wings or blades are adjustable in pitch resulting together with a rotation of the rotor in an air transport flow, said wings or blades having superimposed thereon a sound-pitch modulation corresponding to a desired sound-pitch with the rotation of the rotor.