公开(公告)号：US20200307774A1

公开(公告)日：2020-10-01

申请号：US16371608

申请日：2019-04-01

Applicant: PRATT & WHITNEY CANADA CORP.

Inventor： Giancarlo ZINGARO ,  Sean MCCARTHY ,  Jasraj CHAHAL ,  Benjamin BREGANI ,  Carmine LISIO

IPC: B64C11/44 ,  B64D31/00 ,  F02D29/02

Abstract: Methods and systems for operating an aircraft powerplant comprising an engine coupled to a variable-pitch propeller capable of generating forward and reverse thrust are described herein. A request to enable a mode for automated reverse thrust is received. Reverse thrust conditions are determined to have been met when the aircraft is on-ground, a blade angle of the propeller is below a blade angle threshold and a position of a power lever is at a selected idle region of the power lever. Reverse thrust of the propeller is triggered when the mode for automated reverse thrust is enabled and the reverse thrust conditions have been met.

公开(公告)号：US20210239510A1

公开(公告)日：2021-08-05

申请号：US16778963

申请日：2020-01-31

Applicant: PRATT & WHITNEY CANADA CORP.

Inventor： Benjamin BREGANI ,  Sean MCCARTHY

IPC: G01F25/00 ,  G01F23/68 ,  G01F23/74

Abstract: Methods and systems for validating a fluid level sensor having a floating element are provided. First readings are acquired from the fluid level sensor indicative of fluid levels sensed via the floating element during a first period of operation of the fluid level sensor. A validated range of fluid levels for the fluid level sensor is determined based on the first readings. At least one second reading is acquired from the fluid level sensor during a second period of operation, subsequent to the first period of operation. A starting position of the floating element for the second period of operation is determined based on the at least one second reading. When the starting position of the floating element is within the validated range, validating the at least one second reading.

公开(公告)号：US20200370510A1

公开(公告)日：2020-11-26

申请号：US16418133

申请日：2019-05-21

Applicant: PRATT & WHITNEY CANADA CORP.

Inventor： Benjamin BREGANI ,  Sean MCCARTHY

IPC: F02K1/76 ,  B64D31/06 ,  F02C9/16 ,  F01D1/30

Abstract: Methods and systems for operating an aircraft powerplant are described herein. One or more powerplant or aircraft parameters indicative of one or more conditions at landing or during an approach to landing are obtained. A reverse thrust rating is determined based on the one or more powerplant or aircraft parameters. Reverse thrust of the powerplant is controlled based on the reverse thrust rating when reverse thrust is requested.