-
Patent Agency Ranking
公开(公告)号：US11708155B2
公开(公告)日：2023-07-25
申请号：US17516093
申请日：2021-11-01
Applicant: Textron Innovations Inc.
Inventor： Douglas Andrew Goodwin , David Andrew Prater , Eric Stephen Olson , David Bryan Roberts , Chia-Wei Su , Michael David Trantham , Charles Eric Covington
CPC classification number: B64C27/12 , B64D35/08 , F16D41/04 , B64D2027/026 , F16D2041/0603
Abstract: A multimode clutch assembly is positioned in a powertrain of a rotorcraft. The clutch assembly includes a freewheeling unit having a driving mode in which torque applied to the input race is transferred to the output race and an overrunning mode in which torque applied to the output race is not transferred to the input race. A bypass assembly has an engaged position that couples the input and output races of the freewheeling unit. An actuator assembly shifts the bypass assembly between engaged and disengaged positions. An engagement status sensor is configured to determine the engagement status of the bypass assembly. In the disengaged position, the overrunning mode of the freewheeling unit is enabled such that the clutch assembly is configured for unidirectional torque transfer. In the engaged position, the overrunning mode of the freewheeling unit is disabled such that the clutch assembly is configured for bidirectional torque transfer.
-
公开(公告)号：US11174015B2
公开(公告)日：2021-11-16
申请号：US17063712
申请日：2020-10-05
Applicant: Textron Innovations Inc.
Inventor： Douglas Andrew Goodwin , David Andrew Prater , Eric Stephen Olson , David Bryan Roberts , Chia-Wei Su , Michael David Trantham , Charles Eric Covington
Abstract: A multimode clutch assembly is positioned in a powertrain of a rotorcraft. The clutch assembly includes a freewheeling unit having a driving mode in which torque applied to the input race is transferred to the output race and an overrunning mode in which torque applied to the output race is not transferred to the input race. A bypass assembly has an engaged position that couples the input and output races of the freewheeling unit. An actuator assembly shifts the bypass assembly between engaged and disengaged positions. An engagement status sensor is configured to determine the engagement status of the bypass assembly. In the disengaged position, the overrunning mode of the freewheeling unit is enabled such that the clutch assembly is configured for unidirectional torque transfer. In the engaged position, the overrunning mode of the freewheeling unit is disabled such that the clutch assembly is configured for bidirectional torque transfer.
-
公开(公告)号：US12291326B2
公开(公告)日：2025-05-06
申请号：US18539741
申请日：2023-12-14
Applicant: Textron Innovations Inc.
Inventor： Charles Eric Covington , Chia-Wei Su , Darren Gregory Lang , Thomas Parsons , Cody Earl Fegely
Abstract: A rotorcraft has a drive system including a main rotor coupled to a main rotor gearbox to rotate the main rotor at a rotor speed, a main engine coupled to the drive system to provide a first power, a supplemental engine coupled, when a first clutch is engaged, to the drive system to provide a second power additive to the first power, and a control system operable to control the main engine and the supplemental engine to provide a total power demand, where the main engine is controlled based on variations in rotor speed and a power compensation command to produce the first power, and the supplemental engine is controlled to produce the second power in response to a supplemental power demand.
-
公开(公告)号：US12077308B2
公开(公告)日：2024-09-03
申请号：US17721015
申请日：2022-04-14
Applicant: Textron Innovations Inc.
Inventor： Charles Eric Covington , Chia-Wei Su , Darren Gregory Lang
Abstract: A method of operating a multi-engine drive system of an aircraft includes driving a main rotor of the aircraft by a main engine of the multi-engine drive system at an operating speed of the main engine, operating a supplemental engine of the multi-engine drive system at approximately 80% of an operating speed of the supplemental engine, wherein, during the operating step, a clutch interoperably coupled to the supplemental engine is interoperably decoupled from the main rotor and, responsive to a command to interoperably engage the clutch, if the clutch successfully engages such that the clutch is interoperably coupled to the main rotor, providing, by the supplemental engine, power to the main rotor.
-
公开(公告)号：US20220212783A1
公开(公告)日：2022-07-07
申请号：US17516093
申请日：2021-11-01
Applicant: Textron Innovations Inc.
Inventor： Douglas Andrew Goodwin , David Andrew Prater , Eric Stephen Olson , David Bryan Roberts , Chia-Wei Su , Michael David Trantham , Charles Eric Covington
Abstract: A multimode clutch assembly is positioned in a powertrain of a rotorcraft. The clutch assembly includes a freewheeling unit having a driving mode in which torque applied to the input race is transferred to the output race and an overrunning mode in which torque applied to the output race is not transferred to the input race. A bypass assembly has an engaged position that couples the input and output races of the freewheeling unit. An actuator assembly shifts the bypass assembly between engaged and disengaged positions. An engagement status sensor is configured to determine the engagement status of the bypass assembly. In the disengaged position, the overrunning mode of the freewheeling unit is enabled such that the clutch assembly is configured for unidirectional torque transfer. In the engaged position, the overrunning mode of the freewheeling unit is disabled such that the clutch assembly is configured for bidirectional torque transfer.
-
-
-
-
Search Results
5
records
(took 0.013 seconds)
