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公开(公告)号：US20210047936A1
公开(公告)日：2021-02-18
申请号：US16538191
申请日：2019-08-12
Applicant: United Technologies Corporation
Inventor： Michael G. McCaffrey
Abstract: A flow path component assembly includes a carrier that has at least one radially extending tab. A flow path component has a base portion and a first wall that extends radially from the base portion. The first wall has an aperture. A pin extends through a hole in the radially extending tab and the aperture. The pin has an ellipsoid portion between a first end and a second end.
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公开(公告)号：US20200378343A1
公开(公告)日：2020-12-03
申请号：US16425016
申请日：2019-05-29
Applicant: United Technologies Corporation
Inventor： Michael G. McCaffrey , Tracy A. Propheter-Hinckley
Abstract: A passive centrifugal valve for a gas turbine engine. The passive centrifugal valve includes an inner section with a flow control inlet orifice, a cantilevered valve adjacent to the flow control inlet orifice, and an outer section with a seal land geometry that operates to at least partially support the cantilevered valve in response to a first centrifugal force that deflects the cantilevered valve away from the flow control inlet orifice.
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公开(公告)号：US10830145B2
公开(公告)日：2020-11-10
申请号：US15956884
申请日：2018-04-19
Applicant: United Technologies Corporation
Inventor： Frederick M. Schwarz , Michael G. McCaffrey
Abstract: A method of modulating cooling of gas turbine engine components includes the steps of identifying an input indicative of a usage rate for at least a first gas turbine engine component of a plurality of gas turbine engine components. A cooling system is operated for at least the first gas turbine engine component. The cooling system is moved between a higher cooling potential mode and a lower cooling potential mode based on the identified rate. A gas turbine engine is also disclosed.
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公开(公告)号：US10801349B2
公开(公告)日：2020-10-13
申请号：US15686906
申请日：2017-08-25
Applicant: United Technologies Corporation
Inventor： Michael G. McCaffrey
Abstract: A blade outer air seal (BOAS) includes a tube of a ceramic matrix composite (CMC) material. A preform within the shell defines a mount for the BOAS. The preform is of a CMC material. A gas turbine engine and a method of forming a blade outer air seal (BOAS) are also disclosed.
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公开(公告)号：US20200291821A1
公开(公告)日：2020-09-17
申请号：US16780016
申请日：2020-02-03
Applicant: United Technologies Corporation
Inventor： Michael G. McCaffrey , Scott D. Virkler
Abstract: A method of assembling a portion of a gas turbine engine, includes assembling a plurality of static structure rings; attaching a plurality of support straps to an outer diameter of the plurality of static structure rings to form a cartridge; inserting the cartridge at least partially into an outer case assembly along an engine axis.
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Patent Agency Ranking
公开(公告)号：US10753222B2
公开(公告)日：2020-08-25
申请号：US15700264
申请日：2017-09-11
Applicant: United Technologies Corporation
Inventor： Jonathan Jeffery Eastwood , Joseph F. Englehart , Christopher Carter Venable , Michael G. McCaffrey
Abstract: A gas turbine engine sealing system includes a case including forward and aft hooks. The aft hook arranged radially outward of the forward hook. A blade outer air seal has a J-hook that receives the aft hook and includes an end received by the forward hook.
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公开(公告)号：US20200165928A1
公开(公告)日：2020-05-28
申请号：US16202810
申请日：2018-11-28
Applicant: United Technologies Corporation
Inventor： Michael G. McCaffrey , Scott D. Virkler
Abstract: A hydrostatic advanced low leakage seal configured to be disposed relatively rotatable components includes a base. The seal also includes a shoe extending circumferentially. The seal further includes a beam operatively coupling the shoe to the base, the beam having a beam length that is substantially equal to or greater than a circumferential pitch of the shoe.
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18.发明申请公开(公告)号：US20200158023A1
公开(公告)日：2020-05-21
申请号：US16194857
申请日：2018-11-19
Applicant: United Technologies Corporation
Inventor： Michael G. McCaffrey
Abstract: An interface for a gas turbine engine. The interface includes a full-hoop vane ring around the engine axis, the full-hoop vane ring comprises a forward vane rail with a vane ring forward contact surface and a vane ring anti-rotation tab, the vane ring anti-rotation tab engaged with the anti-rotation case slot; and a multiple of BOAS segments around the engine axis, each of the multiple of BOAS segments comprise a BOAS aft engagement feature and a BOAS aft contact surface, the BOAS aft engagement feature engaged with the outer case and the anti-rotation case slot, the BOAS aft contact surface abuts the vane ring forward contact surface.
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19.发明申请公开(公告)号：US20200158022A1
公开(公告)日：2020-05-21
申请号：US16194852
申请日：2018-11-19
Applicant: United Technologies Corporation
Inventor： Michael G. McCaffrey
Abstract: An interface assembly for a gas turbine engine. The interface a full-hoop vane ring around the engine axis, the full-hoop vane ring comprises an aft vane rail with a vane ring contact surface, the aft vane rail engaged with the anti-rotation case slot at a vane ring anti-rotation tab; and a multiple of BOAS segments around the engine axis, each of the multiple of BOAS segments comprise a BOAS forward engagement feature and a BOAS contact surface, the BOAS forward engagement feature engaged with the outer case, the BOAS contact surface abuts the vane ring contact surface.
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公开(公告)号：US20200149425A1
公开(公告)日：2020-05-14
申请号：US16747028
申请日：2020-01-20
Applicant: UNITED TECHNOLOGIES CORPORATION
Inventor： Michael G. McCaffrey
Abstract: One exemplary embodiment of this disclosure relates to a system having a static segment with a circumferentially extending slot. The system further includes a retention clip partially received in the slot, and partially contacting a circumferential end of the static segment.
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