公开(公告)号：US12291996B2

公开(公告)日：2025-05-06

申请号：US17891872

申请日：2022-08-19

Applicant: Rolls-Royce Corporation

Inventor： Stephen Andrew Long ,  Michael Dougherty ,  Tomasz Marek Lubecki ,  Firman Sasongko ,  Chandana Jayampathi Gajanayake ,  Michael Adam Zagrodnik

IPC: F02C7/32 ,  B64D27/357 ,  F02C6/08 ,  F02C6/14

Abstract: Methods of controlling an in-line heater for an energy storage device are provided. A determination is made that a pump is running. When running, the pump circulates a thermal management fluid through a thermal management conditioning loop, which includes the in-line heater and a heat transfer hardware configured to transfer heat between the thermal management fluid and the energy storage device, wherein the in-line heater is in thermal communication with the thermal management fluid. The in-line heater is turned on in response to the determination that the pump is running and a temperature of the thermal management fluid is below a lower control limit.

公开(公告)号：US12024308B2

公开(公告)日：2024-07-02

申请号：US17553756

申请日：2021-12-16

Applicant: Rolls-Royce Corporation

Inventor： David Locascio ,  Michael Dougherty ,  Stephen Long ,  Peter Schenk

IPC: B64D33/08 ,  B64D27/24 ,  F04B17/02 ,  F04B17/03 ,  H01M10/613 ,  H01M10/625 ,  B64C11/00

CPC classification number: B64D33/08 ,  B64D27/24 ,  F04B17/02 ,  F04B17/03 ,  H01M10/613 ,  H01M10/625 ,  B64C11/002

Abstract: A propulsion system for an aircraft includes a propeller assembly, a controller, and a pump system. The propeller assembly includes a propeller and a power system, the power system including an electric motor and a motor converter. The controller is connected to the power system and configured to switch the power system into a power-off arrangement in response to a temperature of the motor converter being greater than a threshold temperature. The pump system includes a pump and a coolant circuit that cools the motor converter. The pump is coupled to the propeller and to the motor such that rotation of either drives the pump.

公开(公告)号：US12297771B2

公开(公告)日：2025-05-13

申请号：US17860895

申请日：2022-07-08

Applicant: Rolls-Royce Corporation

Inventor： Stephen Andrew Long ,  Michael Dougherty ,  Tomasz Marek Lubecki ,  Firman Sasongko ,  Chandana Jayampathi Gajanayake ,  Michael Adam Zagrodnik

IPC: B64D27/357 ,  F02C6/08 ,  F02C6/14 ,  F02C7/32

Abstract: A thermal management system for an energy storage system, the energy storage system comprising an energy storage device, an energy storage monitoring system including circuitry dedicated and configured to monitor a temperature of the energy storage device. The thermal management system comprises: a thermal management conditioning loop, a pump configured to circulate a thermal management fluid through the thermal management conditioning loop, a heat source, and a heat transfer hardware in thermal communication with the energy storage device. An energy storage controller of the energy storage monitoring system is configured to confirm that a temperature of the thermal management fluid and/or a temperature of the energy storage device is below an upper safety limit, between a lower control limit and an upper control limit, or both, and in response, to send an enable heater request indicating the heat source is to turn on.

公开(公告)号：US20250074613A1

公开(公告)日：2025-03-06

申请号：US18462210

申请日：2023-09-06

Applicant: Rolls-Royce Corporation

Inventor： Stephen Andrew Long ,  Michael Dougherty ,  Tomasz Marek Lubecki ,  Firman Sasongko ,  Chandana Gajanayake ,  Michael Adam Zagrodnik

IPC: B64D31/00 ,  B60L58/10 ,  B64D27/24

Abstract: A power reduction system for an energy storage system of an aircraft includes a controller configured to control power reduction of power supplied from the energy storage system to an aircraft engine supply bus; and an override switch configurable in an override state and a non-override state. The override switch is configured to: in the non-override state, permit the controller to control the power reduction according to a default configuration comprising one or more parameters that trigger the power reduction; and in the override state, control the power reduction to be performed according to a relaxed configuration that at least one of relaxes and omits the one or more parameters in the default configuration.

公开(公告)号：US20230192309A1

公开(公告)日：2023-06-22

申请号：US17553756

申请日：2021-12-16

Applicant: Rolls-Royce Corporation

Inventor： David Locascio ,  Michael Dougherty ,  Stephen Long ,  Peter Schenk

IPC: B64D33/08 ,  B64D27/24 ,  H01M10/613 ,  H01M10/625 ,  F04B17/03 ,  F04B17/02

CPC classification number: B64D33/08 ,  B64D27/24 ,  H01M10/613 ,  H01M10/625 ,  F04B17/03 ,  F04B17/02 ,  B64C11/002

Abstract: A propulsion system for an aircraft includes a propeller assembly, a controller, and a pump system. The propeller assembly includes a propeller and a power system, the power system including an electric motor and a motor converter. The controller is connected to the power system and configured to switch the power system into a power-off arrangement in response to a temperature of the motor converter being greater than a threshold temperature. The pump system includes a pump and a coolant circuit that cools the motor converter. The pump is coupled to the propeller and to the motor such that rotation of either drives the pump.