F01D 1/24

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Description

Class  F01D : NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES


Subclass 1/24: Non-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K) characterised by counter-rotating rotors subjected to same working-fluid stream without intermediate stator blades or the like

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
11873767 Gearbox configurations for clockwise and counterclockwise propeller rotationOct 22, 21Jan 16, 24GE Avio S.r.l.; General Electric Company;
11828183 Pressurising of lubrication chambers in a turbomachine with counter-rotating turbineDec 01, 20Nov 28, 23SAFRAN AIRCRAFT ENGINES
11821360 Aircraft propulsion system and aircraft powered by such a propulsion system built into the rear of an aircraft fuselageJul 03, 19Nov 21, 23SAFRAN AIRCRAFT ENGINES
11480171 Oil pump and scroll compressorDec 28, 20Oct 25, 22Danfoss Tianjin Ltd.
11454117 Rotor for a contrarotating turbine of a turbine engineMar 06, 20Sep 27, 22SAFRAN AIRCRAFT ENGINES
11371379 Turbomachine with alternatingly spaced turbine rotor bladesJul 26, 18Jun 28, 22General Electric Company
11352980 Turbine engine with a contra-rotating turbine for an aircraftOct 08, 19Jun 07, 22SAFRAN AIRCRAFT ENGINES
11280198 Turbine engine with annular cavityNov 06, 19Mar 22, 22General Electric Company
11143106 Combustion section heat transfer system for a propulsion systemNov 06, 19Oct 12, 21General Electric Company
11098592 Turbomachine with alternatingly spaced turbine rotor bladesSep 20, 17Aug 24, 21General Electric Company
11085309 Outer drum rotor assemblySep 22, 17Aug 10, 21General Electric Company
11041400 Turbomachine comprising an alternator between two counter-rotating elementsDec 11, 19Jun 22, 21SAFRAN AIRCRAFT ENGINES
10961850 Rotatable torque frame for gas turbine engineSep 19, 17Mar 30, 21General Electric Company
10801442 Counter rotating turbine with reversing reduction gear assemblyFeb 08, 17Oct 13, 20General Electric Company
10746044 Aircraft comprising a turbojet engine integrated into the rear fuselage comprising a fairing allowing the ejection of bladesJul 25, 17Aug 18, 20SAFRAN AIRCRAFT ENGINES
10661910 Aircraft comprising a turbine engine incorporated into the rear fuselage comprising a system for blocking the fansJul 21, 16May 26, 20SAFRAN AIRCRAFT ENGINES
10655537 Interdigitated counter rotating turbine system and method of operationJan 23, 17May 19, 20General Electric Company
10544734 Three spool gas turbine engine with interdigitated turbine sectionJan 23, 17Jan 28, 20General Electric Company
10539020 Two spool gas turbine engine with interdigitated turbine sectionJan 23, 17Jan 21, 20General Electric Company
10519860 Turbine frame and bearing arrangement for three spool engineMar 07, 17Dec 31, 19General Electric Company

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2020/0284,150 ROTOR FOR A CONTRAROTATING TURBINE OF A TURBINE ENGINEMar 06, 20Sep 10, 20SAFRAN AIRCRAFT ENGINES
2018/0291,770 TURBINE EXHAUST DUCT DESIGN FOR AIR COOLED CONDENSERSDec 26, 17Oct 11, 18Not available

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Patents Issued To Date - By Filing Year

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