Preventing clogging or obstruction of flow paths by dirt, dust, or foreign particles

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CPC
F05D2260/607

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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F05Engines, pumps F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS F05D2260/00Function

Current Industry

F05D2260/607Preventing clogging or obstruction of flow paths by dirt, dust, or foreign particles

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Estimation device, vacuum valve, and vacuum pump
- Patent number 12,158,155
- Issue date Dec 3, 2024
- Shimadzu Corporation
- Junichiro Kozaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum pump and stator component of thread groove pump portion of t...
- Patent number 12,158,152
- Issue date Dec 3, 2024
- Edwards Japan Limited
- Yoshinobu Ohtachi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Impending bypass switch with magnetic sensor
- Patent number 12,145,089
- Issue date Nov 19, 2024
- Pratt & Whitney Canada Corp.
- Issam Al-Khairy
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Systems and methods for providing information regarding particulate...
- Patent number 12,135,549
- Issue date Nov 5, 2024
- General Electric Company
- James R. Noel
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Mobile electric power generation system and transport arrangement
- Patent number 12,085,018
- Issue date Sep 10, 2024
- TYPHON TECHNOLOGY SOLUTIONS (U.S.), LLC
- Jeffrey G. Morris
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Blocker assembly for tangential onboard injectors
- Patent number 12,060,806
- Issue date Aug 13, 2024
- RTX Corporation
- Michael G. McCaffrey
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
System and method for identifying blockage of an air intake for an...
- Patent number 12,055,095
- Issue date Aug 6, 2024
- Pratt & Whitney Canada Corp.
- Louis Duranleau-Hendrickx
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Filter element, systems, and methods
- Patent number 12,036,502
- Issue date Jul 16, 2024
- Donaldson Company, Inc.
- Jason A. Tiffany
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Pump mixer separator unit
- Patent number 12,025,054
- Issue date Jul 2, 2024
- General Electric Company
- William James Mailander
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Axial fan with openings in the hub
- Patent number 12,012,970
- Issue date Jun 18, 2024
- Thomas Euler-Rolle
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Air supply device, gas turbine system and using method thereof
- Patent number 11,994,065
- Issue date May 28, 2024
- Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Ning Feng
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
System and method for air filtration with self-cleaning filter medi...
- Patent number 11,993,390
- Issue date May 28, 2024
- Airbus Helicopters
- Benoit Fayard
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Inlet filter housing having components including portions of filter...
- Patent number 11,988,142
- Issue date May 21, 2024
- GE INFRASTRUCTURE TECHNOLOGY LLC
- Laxmikant Merchant
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Centrifugal debris pre-separator for turbine engine oil filter
- Patent number 11,970,960
- Issue date Apr 30, 2024
- RTX Corporation
- David Allen Stachowiak
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Air intake plenum with struts
- Patent number 11,965,459
- Issue date Apr 23, 2024
- Pratt & Whitney Canada Corp.
- Hien Duong
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Onboard heater of auxiliary systems using exhaust gases and associa...
- Patent number 11,959,419
- Issue date Apr 16, 2024
- BJ Energy Solutions, LLC
- Tony Yeung
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Methods and apparatus to produce hydrogen gas turbine propulsion
- Patent number 11,946,419
- Issue date Apr 2, 2024
- General Electric Company
- David Justin Brady
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Inducer assembly for a turbine engine
- Patent number 11,918,943
- Issue date Mar 5, 2024
- General Electric Company
- Timothy Deryck Stone
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information Patent Grant
Oil filtration system
- Patent number 11,918,934
- Issue date Mar 5, 2024
- RTX Corporation
- Nicholas D. Leque
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Gas source system for supplying combustion gas to a turbine engine...
- Patent number 11,913,380
- Issue date Feb 27, 2024
- Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Peng Zhang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Turbine engine component and method of cooling
- Patent number 11,905,881
- Issue date Feb 20, 2024
- General Electric Company
- Daniel Endecott Osgood
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Fuel supply circuit for a combustion chamber of a turbomachine
- Patent number 11,905,883
- Issue date Feb 20, 2024
- SAFRAN AIRCRAFT ENGINES
- Nicolas Marie Keruzore
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Water pressure and quantity monitoring for hydrogen steam injected...
- Patent number 11,898,491
- Issue date Feb 13, 2024
- RTX Corporation
- Edward Thomas Rocco
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel system with backup pump source selection
- Patent number 11,898,496
- Issue date Feb 13, 2024
- Hamilton Sundstrand Corporation
- Ryan Prescott Susca
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Air cleaner
- Patent number 11,873,842
- Issue date Jan 16, 2024
- MIRO CO., LTD.
- Dong Jin Seo
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Steam turbine plant and method for cleaning same
- Patent number 11,873,723
- Issue date Jan 16, 2024
- Mitsubishi Heavy Industries, Ltd.
- Daiki Fujimura
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Fluid injection systems having fluid line purging
- Patent number 11,859,553
- Issue date Jan 2, 2024
- Hamilton Sundstrand Corporation
- Ryan Susca
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Turbine engine having a balance cavity
- Patent number 11,859,547
- Issue date Jan 2, 2024
- General Electric Company
- Joseph G. Rose
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Orifice pack for compressor bleed valve
- Patent number 11,852,073
- Issue date Dec 26, 2023
- Pratt & Whitney Canada Corp.
- Martin Dobson
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Turbine engine inducer assembly
- Patent number 11,846,209
- Issue date Dec 19, 2023
- General Electric Company
- Christophe Jude Day
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
EXPANSION TURBINE AND REFRIGERATION DEVICE USING SAME
- Publication number 20240410297
- Publication date Dec 12, 2024
- Panasonic Intellectual Property Management Co., Ltd.
- Hidetoshi TAGUCHI
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
FILTER ELEMENT, SYSTEMS, AND METHODS
- Publication number 20240375032
- Publication date Nov 14, 2024
- Donaldson Company, Inc.
- Jason A. TIFFANY
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
AIRCRAFT COMPRISING AT LEAST ONE FLUID SUPPLY CIRCUIT EQUIPPED WITH...
- Publication number 20240367810
- Publication date Nov 7, 2024
- Airbus SAS
- Philippe MOGILKA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
AIR INTAKE PLENUM WITH STRUTS
- Publication number 20240271563
- Publication date Aug 15, 2024
- Pratt & Whitney Canada Corp.
- Hien DUONG
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SEPARATORS FOR USE WITH GAS TURBINE ENGINES
- Publication number 20240263585
- Publication date Aug 8, 2024
- GENERAL ELECTRIC COMPANY
- Pradeep Hemant Sangli
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PARTICLE SEPARATORS FOR TURBOMACHINES AND METHOD OF OPERATING THE SAME
- Publication number 20240240589
- Publication date Jul 18, 2024
- GENERAL ELECTRIC COMPANY
- Satoshi Atsuchi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Gas Source System for Supplying Combustion Gas to a Turbine Engine...
- Publication number 20240200496
- Publication date Jun 20, 2024
- YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
- Peng ZHANG
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
METHODS AND APPARATUS TO PRODUCE HYDROGEN GAS TURBINE PROPULSION
- Publication number 20240200497
- Publication date Jun 20, 2024
- GENERAL ELECTRIC COMPANY
- David Justin Brady
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
WATER PRESSURE AND QUANTITY MONITORING FOR HYDROGEN STEAM INJECTED...
- Publication number 20240200491
- Publication date Jun 20, 2024
- RTX Corporation
- Edward Thomas Rocco
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
AIRFOIL LAST CHANCE SCREEN UTILIZING EDM AND AFM
- Publication number 20240167423
- Publication date May 23, 2024
- Collins Engine Nozzles, Inc.
- Thomas J. Ocken
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
VACUUM PUMP
- Publication number 20240117816
- Publication date Apr 11, 2024
- EDWARDS JAPAN LIMITED
- Haruki Suzuki
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
IN SITU FOAM GENERATION WITHIN A TURBINE ENGINE
- Publication number 20240076998
- Publication date Mar 7, 2024
- GENERAL ELECTRIC COMPANY
- Ambarish Jayant Kulkarni
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
WATER PRESSURE AND QUANTITY MONITORING FOR HYDROGEN STEAM INJECTED...
- Publication number 20240026815
- Publication date Jan 25, 2024
- Raytheon Technologies Corporation
- Edward Thomas Rocco
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
FUEL SYSTEM WITH BACKUP PUMP SOURCE SELECTION
- Publication number 20240026826
- Publication date Jan 25, 2024
- HAMILTON SUNDSTRAND CORPORATION
- Ryan Prescott Susca
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
TURBINE ENGINE INERTIAL PARTICLE SEPARATOR WITH PARTICLE REBOUND SU...
- Publication number 20230407788
- Publication date Dec 21, 2023
- Rolls-Royce North American Technologies Inc.
- Brian J. Connolly
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
GAS TURBINE ENGINE INLET PARTICLE SEPARATORS WITH COATINGS FOR REBO...
- Publication number 20230407789
- Publication date Dec 21, 2023
- Rolls-Royce Corporation
- James C. Loebig
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTER ELEMENT, SYSTEMS, AND METHODS
- Publication number 20230390685
- Publication date Dec 7, 2023
- Donaldson Company, Inc.
- Jason A. TIFFANY
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
AIR INTAKE PLENUM WITH STRUTS
- Publication number 20230332540
- Publication date Oct 19, 2023
- Pratt & Whitney Canada Corp.
- Hien DUONG
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
STEAM TURBINE PLANT AND METHOD FOR CLEANING SAME
- Publication number 20230313703
- Publication date Oct 5, 2023
- Mitsubishi Heavy Industries, Ltd.
- Daiki FUJIMURA
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
TURBINE ENGINE HAVING A BALANCE CAVITY
- Publication number 20230272744
- Publication date Aug 31, 2023
- GENERAL ELECTRIC COMPANY
- Joseph G. Rose
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
ONBOARD HEATER OF AUXILIARY SYSTEMS USING EXHAUST GASES AND ASSOCIA...
- Publication number 20230272746
- Publication date Aug 31, 2023
- BJ Energy Solutions, LLC
- Tony Yeung
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
METHODS AND APPARATUS TO PRODUCE HYDROGEN GAS TURBINE PROPULSION
- Publication number 20230265797
- Publication date Aug 24, 2023
- GENERAL ELECTRIC COMPANY
- David Justin Brady
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEM AND METHOD FOR AIR FILTRATION WITH SELF-CLEANING FILTER MEDI...
- Publication number 20230264828
- Publication date Aug 24, 2023
- AIRBUS HELICOPTERS
- Benoit FAYARD
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEMS AND METHODS FOR PROVIDING INFORMATION REGARDING PARTICULATE...
- Publication number 20230251651
- Publication date Aug 10, 2023
- GENERAL ELECTRIC COMPANY
- James R. Noel
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
INDUCER ASSEMBLY FOR A TURBINE ENGINE
- Publication number 20230226476
- Publication date Jul 20, 2023
- GENERAL ELECTRIC COMPANY
- Timothy Deryck STONE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
VACUUM PUMP AND VACUUM PUMP CLEANING SYSTEM
- Publication number 20230220848
- Publication date Jul 13, 2023
- Edwards Japan Limited
- Koichi Ichihara
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
INLET FILTER HOUSING HAVING COMPONENTS INCLUDING PORTIONS OF FILTER...
- Publication number 20230193825
- Publication date Jun 22, 2023
- GENERAL ELECTRIC COMPANY
- Laxmikant Merchant
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
WIRE SCREEN PARTICLE FILTER FOR TURBOMACHINE AIRFOIL
- Publication number 20230193765
- Publication date Jun 22, 2023
- GENERAL ELECTRIC COMPANY
- Kathen Thomas KOTAY
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
HIGH PRESSURE TURBINE DIRT BLOCKER
- Publication number 20230184139
- Publication date Jun 15, 2023
- Raytheon Technologies Corporation
- Michael G. McCaffrey
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
MONITORING THE OIL OF A LUBRICATION DEVICE
- Publication number 20230160322
- Publication date May 25, 2023
- SAFRAN AERO BOOSTERS SA
- Nicolas Oscar Louis Ghislain RAIMARCKERS
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Preventing clogging or obstruction of flow paths by dirt, dust, or foreign particles

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Estimation device, vacuum valve, and vacuum pump

Vacuum pump and stator component of thread groove pump portion of t...

Impending bypass switch with magnetic sensor

Systems and methods for providing information regarding particulate...

Mobile electric power generation system and transport arrangement

Blocker assembly for tangential onboard injectors

System and method for identifying blockage of an air intake for an...

Filter element, systems, and methods

Pump mixer separator unit

Axial fan with openings in the hub

Air supply device, gas turbine system and using method thereof

System and method for air filtration with self-cleaning filter medi...

Inlet filter housing having components including portions of filter...

Centrifugal debris pre-separator for turbine engine oil filter

Air intake plenum with struts

Onboard heater of auxiliary systems using exhaust gases and associa...

Methods and apparatus to produce hydrogen gas turbine propulsion

Inducer assembly for a turbine engine

Oil filtration system

Gas source system for supplying combustion gas to a turbine engine...

Turbine engine component and method of cooling

Fuel supply circuit for a combustion chamber of a turbomachine

Water pressure and quantity monitoring for hydrogen steam injected...

Fuel system with backup pump source selection

Air cleaner

Steam turbine plant and method for cleaning same

Fluid injection systems having fluid line purging

Turbine engine having a balance cavity

Orifice pack for compressor bleed valve

Turbine engine inducer assembly

Patents Applicationslast 30 patents

EXPANSION TURBINE AND REFRIGERATION DEVICE USING SAME

FILTER ELEMENT, SYSTEMS, AND METHODS

AIRCRAFT COMPRISING AT LEAST ONE FLUID SUPPLY CIRCUIT EQUIPPED WITH...

AIR INTAKE PLENUM WITH STRUTS

SEPARATORS FOR USE WITH GAS TURBINE ENGINES

PARTICLE SEPARATORS FOR TURBOMACHINES AND METHOD OF OPERATING THE SAME

Gas Source System for Supplying Combustion Gas to a Turbine Engine...

METHODS AND APPARATUS TO PRODUCE HYDROGEN GAS TURBINE PROPULSION

WATER PRESSURE AND QUANTITY MONITORING FOR HYDROGEN STEAM INJECTED...

AIRFOIL LAST CHANCE SCREEN UTILIZING EDM AND AFM

VACUUM PUMP

IN SITU FOAM GENERATION WITHIN A TURBINE ENGINE

WATER PRESSURE AND QUANTITY MONITORING FOR HYDROGEN STEAM INJECTED...

FUEL SYSTEM WITH BACKUP PUMP SOURCE SELECTION

TURBINE ENGINE INERTIAL PARTICLE SEPARATOR WITH PARTICLE REBOUND SU...

GAS TURBINE ENGINE INLET PARTICLE SEPARATORS WITH COATINGS FOR REBO...

FILTER ELEMENT, SYSTEMS, AND METHODS

AIR INTAKE PLENUM WITH STRUTS

STEAM TURBINE PLANT AND METHOD FOR CLEANING SAME

TURBINE ENGINE HAVING A BALANCE CAVITY

ONBOARD HEATER OF AUXILIARY SYSTEMS USING EXHAUST GASES AND ASSOCIA...

METHODS AND APPARATUS TO PRODUCE HYDROGEN GAS TURBINE PROPULSION

SYSTEM AND METHOD FOR AIR FILTRATION WITH SELF-CLEANING FILTER MEDI...

SYSTEMS AND METHODS FOR PROVIDING INFORMATION REGARDING PARTICULATE...

INDUCER ASSEMBLY FOR A TURBINE ENGINE

VACUUM PUMP AND VACUUM PUMP CLEANING SYSTEM

INLET FILTER HOUSING HAVING COMPONENTS INCLUDING PORTIONS OF FILTER...

WIRE SCREEN PARTICLE FILTER FOR TURBOMACHINE AIRFOIL

HIGH PRESSURE TURBINE DIRT BLOCKER

MONITORING THE OIL OF A LUBRICATION DEVICE