公开(公告)号：US12110804B2

公开(公告)日：2024-10-08

申请号：US18524490

申请日：2023-11-30

Applicant: ROLLS-ROYCE plc

Inventor： Ian J. Bousfield ,  Duncan A. Macdougall

IPC: F01D5/14 ,  F02C7/05 ,  F02C7/36

CPC classification number: F01D5/141 ,  F01D5/142 ,  F02C7/05 ,  F02C7/36 ,  F05D2220/32 ,  F05D2240/24 ,  F05D2240/303 ,  F05D2260/94

Abstract: A gas turbine engine comprises a fan mounted to rotate about a main longitudinal axis; an engine core, comprising in axial flow series a compressor, a combustor, and a turbine coupled to the compressor through a shaft; a reduction gearbox that receives an input from the shaft and outputs drive to the fan so as to drive the fan at a lower rotational speed than the shaft; wherein the compressor comprises a first stage at an inlet and a second stage, downstream of the first stage, comprising respectively a first rotor with a row of first blades and a second rotor with a row of second blades, the first and second blades comprising respective leading edges, trailing edges and tips, and wherein the ratio of a maximum leading edge radius of the first blades to a maximum leading edge radius of the second blades is greater than 2.8.

公开(公告)号：US20240209777A1

公开(公告)日：2024-06-27

申请号：US18455137

申请日：2023-08-24

Applicant: General Electric Company

Inventor： Arthur William SIBBACH ,  Brandon Wayne MILLER

IPC: F02C7/05 ,  F02C6/20 ,  F02C7/04 ,  F02K3/00

CPC classification number: F02C7/05 ,  F02C6/20 ,  F02C7/04 ,  F02K3/00 ,  F05D2220/36

Abstract: A turbofan engine is provided. The turbofan engine includes a fan comprising a plurality of fan blades; a turbomachine operably coupled to the fan for driving the fan, the turbomachine comprising a compressor section, a combustion section, and a turbine section in serial flow order and together defining a core air flowpath; a nacelle surrounding and at least partially enclosing the fan; an inlet pre-swirl feature located upstream of the plurality of fan blades, the inlet pre-swirl feature attached to or integrated into the nacelle; and a means for directing incoming objects towards an outer portion of the turbofan engine in communication with the inlet pre-swirl feature.

公开(公告)号：US11994065B2

公开(公告)日：2024-05-28

申请号：US17687182

申请日：2022-03-04

Applicant: YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.

Inventor： Ning Feng ,  Tao Kou ,  Ting Zhang ,  Yichao Mou ,  Libin Zhou ,  Xin Li ,  Xu Liu ,  Lili Wang ,  Jianglei Zou ,  Qiong Wu ,  Wanchun Zha ,  Cong Zhang

IPC: F02C7/045 ,  F02C7/05

CPC classification number: F02C7/045 ,  F02C7/05 ,  F05D2240/91 ,  F05D2260/30 ,  F05D2260/607 ,  F05D2260/608 ,  F05D2260/96

Abstract: An air supply device, a gas turbine system and a using method thereof are disclosed. In the air supply device, an air intake compartment includes a connection end; a combustion air intake filter is located in the air intake compartment and connected with the combustion air intake filter; a combustion air intake interface is located on a tail plate and is connected with the combustion air silencer; and a sound insulation turnover mechanism includes a sound insulation flap and a turnover mechanism, the air intake compartment includes a first bottom plate and the tail plate that is located at the connection end, the sound insulation flap is located at the connection end, and the turnover mechanism is connected with the sound insulation flap, and is configured to drive the sound insulation flap to rotate relative to the tail plate.

公开(公告)号：US11933220B1

公开(公告)日：2024-03-19

申请号：US17977737

申请日：2022-10-31

Applicant: Pratt & Whitney Canada Corp.

Inventor： Raja Ramamurthy ,  Eray Akcayoz ,  Mark Cunningham ,  Roberto Marrano

IPC: F02C7/05 ,  F02C7/042 ,  F02C7/057 ,  F02C9/18

CPC classification number: F02C7/05 ,  F02C7/042 ,  F02C7/057 ,  F02C9/18 ,  F05D2220/323

Abstract: An air intake for an aircraft propulsion system includes an air inlet duct, a core flow duct, a bypass flow duct, a splitter, and a flow control device. The air inlet duct includes an intake inlet and a gas path floor. The core flow duct includes a core flow outlet. The bypass flow duct includes a bypass flow outlet. The bypass flow duct includes the gas path floor. The splitter separates the core flow duct and the bypass flow duct. The flow control device is disposed on a portion of the gas path floor. The flow control device is configured to be selectively positioned to control an air flow path for air flowing through the air inlet duct, the core flow duct, and the bypass flow duct.

公开(公告)号：US20230193825A1

公开(公告)日：2023-06-22

申请号：US18112296

申请日：2023-02-21

Applicant: General Electric Company

Inventor： Laxmikant Merchant ,  Dinesh Venugopal Setty ,  Mukesh Niddodi Kamath ,  Prithviraj Pandian

IPC: F02C7/05

CPC classification number: F02C7/05 ,  F05D2240/35 ,  F05D2250/221 ,  F05D2260/607

Abstract: An inlet filter housing includes a plurality of components that collectively form a complete filtering and conditioning system for filtering and conditioning a fluid along a housing flow path. Each component is fitted within an external structure of an International Organization of Standards (ISO) shipping container, which provides a rectangular cuboid enclosure. Each component includes operative structure of at least one of: a) only a portion of an axial extent of the filtering and conditioning system, and b) only a portion of a lateral cross-sectional area of the housing flow path.

公开(公告)号：US10072575B2

公开(公告)日：2018-09-11

申请号：US14962769

申请日：2015-12-08

Applicant: Shield Aerodynamics LLC

Inventor： Dennis Snyder

IPC: F02C7/05 ,  F02C7/055 ,  B64D33/02

CPC classification number: F02C7/055 ,  B64D33/02 ,  B64D2033/022 ,  F02C7/05 ,  Y02T50/672 ,  Y02T50/6765

Abstract: An environmental defense shield includes symmetric airfoil-shaped vanes contributing to and positioned around a plenum space and positioned in front of a turbine engine. An annular band stiffener is set into the vanes, which projects forward in a diminishing size, the vanes merging together to create or attaching to a solid nose. The environmental defense shield serves to protect the engine from debris while also smoothing airflow into the engine.

公开(公告)号：US10054050B2

公开(公告)日：2018-08-21

申请号：US14463114

申请日：2014-08-19

Applicant: PRATT & WHITNEY CANADA CORP.

Inventor： Michel Labrecque ,  Vincent Couture-Gagnon ,  Richard Ullyott

IPC: F01D17/08 ,  F02C7/045 ,  F02C7/042 ,  F02C7/052 ,  F01D17/10 ,  F02C7/05 ,  F02K3/02

CPC classification number: F02C7/045 ,  F01D17/08 ,  F01D17/105 ,  F02C7/042 ,  F02C7/05 ,  F02C7/052 ,  F02K3/025

Abstract: An aeroengine has an inlet system with a forward end with respect to a flight direction. The inlet system includes a main inlet duct for selectively directing a first air flow from a forward main intake opening of the main inlet duct to a compressor rotor, the forward main intake opening being defined at the forward end of the inlet system and a secondary inlet duct for directing a second air flow from a secondary intake opening of the secondary inlet duct to the compressor rotor only when the main inlet duct is closed. A control apparatus is provided for selecting the first and second air flow to enter into the compressor rotor.

公开(公告)号：US09915202B2

公开(公告)日：2018-03-13

申请号：US14104299

申请日：2013-12-12

Applicant: Rolls-Royce North American Technologies, Inc.

Inventor： Eric S. Donovan ,  Daniel J. Vonderwell ,  Craig Heathco

IPC: F02C7/05 ,  F02C7/052 ,  F02C7/12

CPC classification number: F02C7/05 ,  F02C7/052 ,  F02C7/12 ,  F05D2260/205 ,  F05D2260/213 ,  Y02T50/675

Abstract: An apparatus includes a gas turbine engine and a heat transfer system. The gas turbine engine includes an inlet particle separator that separates inlet air into scavenge air and clean air. A scavenge air path conveys the scavenge air from the inlet particle separator to the heat transfer system. A heat exchange fluid path conveys a heat exchange fluid to the heat transfer system and a cooled heat exchange fluid away from the heat transfer system. The heat transfer system is configured to transfer heat from the heat exchange fluid path to the scavenge air path to cool the heat exchange fluid.

公开(公告)号：US09896964B2

公开(公告)日：2018-02-20

申请号：US14969774

申请日：2015-12-15

Applicant: United Technologies Corporation

Inventor： Steven Clarkson ,  Daniel K. Van Ness, II ,  Paul Thomas Rembish

IPC: F01D25/02 ,  F01D25/24 ,  F01D25/10 ,  F01D21/10 ,  F01D17/10 ,  B64D27/10 ,  B64D15/12 ,  B64D29/00 ,  F02C7/047 ,  F02C7/05 ,  F04D29/54 ,  F04D29/58 ,  F04D27/02

CPC classification number: F01D25/02 ,  B64D15/12 ,  B64D27/10 ,  B64D29/00 ,  F01D17/105 ,  F01D21/10 ,  F01D25/10 ,  F01D25/24 ,  F02C7/047 ,  F02C7/05 ,  F04D27/0215 ,  F04D27/023 ,  F04D29/545 ,  F04D29/584 ,  F05D2220/323 ,  F05D2220/36 ,  F05D2260/20 ,  F05D2270/096

Abstract: A case for a gas turbine engine includes a core body. The core body defines a longitudinally extending core flow path, a laterally extending bleed air duct coupling the core flow path in fluid communication with the external environment, and a structure-supporting member spanning the bleed air duct. A heating element is connected to the core body and is in thermal communication with the structure-supporting member.

公开(公告)号：US20170182443A1

公开(公告)日：2017-06-29

申请号：US15387820

申请日：2016-12-22

Applicant: Donaldson Company, Inc.

Inventor： Gregory Reichter ,  Wayne Bishop ,  Benny K. Nelson ,  Darrel Wegner ,  Bruce Crenshaw ,  Thomas Miller ,  Donald Mork ,  Kevin Schrage ,  Vladimir Kladnitsky ,  Richard Osendorf ,  Bradley Kuempel ,  Thomas Lundgren ,  Jordan Flagstad

IPC: B01D46/00 ,  F02C7/05 ,  F02M35/024 ,  B01D46/52

CPC classification number: B01D46/0005 ,  B01D46/0002 ,  B01D46/0023 ,  B01D46/526 ,  B01D2271/02 ,  B01D2271/022 ,  B01D2279/60 ,  F02C7/05 ,  F02M35/0245 ,  F02M35/02458

Abstract: Air filter cartridges are disclosed. Also described are air cleaners including the filter cartridges. Methods of assembly and use are also provided. Also, systems of use are described.