公开(公告)号：US09821901B2

公开(公告)日：2017-11-21

申请号：US14546252

申请日：2014-11-18

Applicant: PRATT & WHITNEY CANADA CORP.

Inventor： Brant Duke ,  James Robert Jarvo ,  Michael Mark ,  Mario Guerra

IPC: B64C11/30 ,  B64D45/00 ,  F01D7/00 ,  G01P3/487 ,  G01P3/488 ,  B64C11/06 ,  G01D5/14 ,  G01D5/245

CPC classification number: B64C11/301 ,  B64C11/06 ,  B64D45/00 ,  F01D7/00 ,  G01D5/145 ,  G01D5/2451 ,  G01P3/487 ,  G01P3/488

Abstract: A system and method for blade angle position feedback. The system comprises an annular member operatively connected to rotate with a propeller, a sensor fixedly mounted adjacent the annular member and configured for detecting a passage of each singularity as the annular member is rotated and axially displaced and for generating a sensor signal accordingly, the annular member and sensor configured for relative axial displacement between a first relative axial position and a second relative axial position respectively corresponding to the first and the second mode of operation, and a detection unit connected to the sensor for receiving the sensor signal therefrom, determining on the basis of the sensor signal a time interval elapsed between the passage of successive singularities, and computing from the time interval blade angle position.

公开(公告)号：US09382849B2

公开(公告)日：2016-07-05

申请号：US14509502

申请日：2014-10-08

Applicant: Pratt & Whitney Canada Corp.

Inventor： Brant Duke ,  Jim R. Jarvo ,  Benoit Lachance ,  Harris Shafique

IPC: F02C9/00 ,  F02C9/48 ,  F02C9/28 ,  F01D25/18 ,  F02C3/14 ,  F02C7/06 ,  F02C7/36 ,  F02K3/06 ,  F02C7/22

CPC classification number: F02C9/28 ,  F01D25/18 ,  F02C3/145 ,  F02C7/06 ,  F02C7/22 ,  F02C7/36 ,  F02K3/06 ,  Y02T50/671

Abstract: Systems, devices, and methods for controlling a fuel supply for a turbine or other engine using direct and/or indirect indications of power output and optionally one or more secondary control parameters.

公开(公告)号：US08886438B2

公开(公告)日：2014-11-11

申请号：US13967981

申请日：2013-08-15

Applicant: Pratt & Whitney Canada Corp.

Inventor： Brant Duke ,  Jim R. Jarvo ,  Benoit Lachance ,  Harris Shafique

IPC: F02C6/00 ,  F02C9/00 ,  F02C7/22

CPC classification number: F02C9/28 ,  F01D25/18 ,  F02C3/145 ,  F02C7/06 ,  F02C7/22 ,  F02C7/36 ,  F02K3/06 ,  Y02T50/671

Abstract: Systems, devices, and methods for controlling a fuel supply for a turbine or other engine using direct and/or indirect indications of power output and optionally one or more secondary control parameters.

Abstract translation: 用于通过功率输出的直接和/或间接指示以及可选的一个或多个次要控制参数来控制用于涡轮机或其他发动机的燃料供应的系统，装置和方法。