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    Strut assembly for bearing compartment
    12.
    发明授权
    Strut assembly for bearing compartment 有权

    公开(公告)号：US10364705B2

    公开(公告)日：2019-07-30

    申请号：US15586920

    申请日：2017-05-04

    Applicant: United Technologies Corporation

    Inventor： Thomas O. Harris ,  Lubomir A. Ribarov

    IPC: F01D25/16 ,  F01D9/06 ,  F01D25/24 ,  F01D25/26 ,  F16C19/22 ,  F16C19/36

    Abstract: A strut assembly for a bearing compartment of a gas turbine engine includes an inner case, an outer case, and a first plurality of struts. The inner case is disposed within the bearing compartment and includes a first axis. The outer case defines an exterior of the bearing compartment and includes a second axis disposed co-axially with the first axis. The inner and outer cases define a flowpath between the inner and outer cases. Each strut of the first plurality of struts extends between and is connected to the inner and outer cases. The first plurality of struts is configured to maintain concentric positioning between the inner and outer cases and to allow relative changes in size between the inner and outer cases without deforming the inner case.

    Adaptive turbomachine cooling system
    13.
    发明授权
    Adaptive turbomachine cooling system 有权

    公开(公告)号：US10302015B2

    公开(公告)日：2019-05-28

    申请号：US15105385

    申请日：2014-11-19

    Applicant: United Technologies Corporation

    Inventor： Lubomir A. Ribarov ,  Leo J. Veilleux, Jr. ,  James S. Elder, Jr.

    IPC: F02C6/08 ,  F02C7/18 ,  F01D25/12 ,  F01D11/24 ,  F01D15/00 ,  F02C7/14 ,  F02C7/22 ,  F02C9/18 ,  F04D29/32

    Abstract: In accordance with at least one aspect of this disclosure, a turbomachine cooling system includes a first low pressure port disposed in a low pressure portion of a turbomachine and a first high pressure port disposed in a high pressure portion of the turbomachine and in selective fluid communication with the first low pressure port via a cooling channel. The high pressure portion of the turbomachine is configured for a higher compression than the low pressure portion of the turbomachine where the first low pressure port is disposed. The cooling system can include a heat exchanger system disposed in the cooling channel such that a flow traveling from the first high pressure port to the first low pressure port is cooled by the heat exchanger system before traveling through the first low pressure port into the low pressure portion of the turbomachine.

    Integrated thermal management system for fuel cooling
    17.
    发明授权
    Integrated thermal management system for fuel cooling 有权

    公开(公告)号：US11480105B2

    公开(公告)日：2022-10-25

    申请号：US16843288

    申请日：2020-04-08

    Applicant: United Technologies Corporation

    Inventor： Lubomir A. Ribarov

    IPC: F02C7/14 ,  B64D33/08 ,  F25B1/08 ,  F25B49/02 ,  B64D13/06

    Abstract: A thermal management system for a gas turbine engine includes a primary vapor compression system including a primary evaporator defining thermal communication between a primary refrigerant and a flow of fuel to cool the fuel. A boost vapor compression system includes a boost heat exchanger defining thermal communication between the primary refrigerant. A boost refrigerant cools the primary refrigerant and a boost condenser in thermal communication with an air stream cools the boost refrigerant.

    Multiple stream heat exchanger
    18.
    发明授权
    Multiple stream heat exchanger 有权

    公开(公告)号：US11448130B2

    公开(公告)日：2022-09-20

    申请号：US16843313

    申请日：2020-04-08

    Applicant: United Technologies Corporation

    Inventor： Lubomir A. Ribarov

    IPC: F02C7/14 ,  F02C7/16 ,  F28D9/00 ,  B64D37/34 ,  F02C7/224 ,  F28D21/00

    Abstract: A thermal management system for a gas turbine engine includes a heat exchanger including a first coolant passage for a first coolant medium and a second coolant passage for a second coolant medium that is different than the first coolant medium. A first hot flow passage is in thermal communication with the first coolant passage. A second hot flow passage is in thermal communication with the second coolant passage all within a common housing. A first valve controls a flow of a hot medium into at least one of the first hot flow passage or the second hot flow passage. A controller configured to operate the first valve to direct the flow of hot medium into one of the first hot flow passage and the second hot flow passage for transferring thermal energy from the flow of hot medium into one of the first coolant medium and the second coolant medium.

    DYNAMIC THERMAL LOAD MONITORING AND MITIGATION FOR AIRCRAFT SYSTEMS
    19.
    发明申请
    DYNAMIC THERMAL LOAD MONITORING AND MITIGATION FOR AIRCRAFT SYSTEMS 审中-公开

    公开(公告)号：US20200332716A1

    公开(公告)日：2020-10-22

    申请号：US16843349

    申请日：2020-04-08

    Applicant: United Technologies Corporation

    Inventor： Lubomir A. Ribarov

    IPC: F02C7/14 ,  F02C7/18

    Abstract: A thermal management system for a gas turbine engine includes a cooler including a first portion and a second portion, the first portion for cooling a hot flow with a coolant and the second portion for cooling the coolant with a refrigerant. A vapor compression system circulates the refrigerant through the second portion of the cooler. The vapor compression system is a closed system in communication with at least one heat load in addition to the second portion of the cooler.

    INTEGRATED THERMAL MANAGEMENT SYSTEM FOR FUEL COOLING
    20.
    发明申请
    INTEGRATED THERMAL MANAGEMENT SYSTEM FOR FUEL COOLING 审中-公开

    公开(公告)号：US20200332714A1

    公开(公告)日：2020-10-22

    申请号：US16843288

    申请日：2020-04-08

    Applicant: United Technologies Corporation

    Inventor： Lubomir A. Ribarov

    IPC: F02C7/14 ,  B64D33/08 ,  F25B1/08 ,  F25B49/02

    Abstract: A thermal management system for a gas turbine engine includes a primary vapor compression system including a primary evaporator defining thermal communication between a primary refrigerant and a flow of fuel to cool the fuel. A boost vapor compression system includes a boost heat exchanger defining thermal communication between the primary refrigerant. A boost refrigerant cools the primary refrigerant and a boost condenser in thermal communication with an air stream cools the boost refrigerant.

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