公开(公告)号：US3672788A

公开(公告)日：1972-06-27

申请号：US3672788D

申请日：1970-05-04

Applicant: ROLLS ROYCE

Inventor： ELLINGER JOHN HENRY

IPC: F01D7/00 ,  F02K3/06 ,  B64C11/34

CPC classification number: F02K3/06 ,  F01D7/00 ,  F05D2220/36 ,  F05D2260/74 ,  F05D2260/76 ,  Y02T50/671 ,  Y02T50/673

Abstract: VARIABLE PITCH AEROFOIL BLADES ARE PROVIDED WITH A GEAR DRIVE HAVING A FEEDBACK SO THAT WHEN THE MECHANISM REACHES AN EQUILIBRIUM (FEATHERED) CONDITION ANY DISTURBANCE AFFECTING THE BLADE CAUSES THE GEAR DRIVE TO ADJUST THE BLADES TO CANCEL THE EFFECT OF THE DISTRUBANCE.

公开(公告)号：US3467198A

公开(公告)日：1969-09-16

申请号：US3467198D

申请日：1967-11-29

Applicant: ROLLS ROYCE

Inventor： ELLINGER JOHN HENRY

IPC: F01D7/00 ,  F02K3/06 ,  B63H3/00 ,  B63H7/00

CPC classification number: F01D7/00 ,  F02K3/06 ,  F05D2220/36 ,  F05D2260/74 ,  F05D2260/76 ,  Y02T50/671 ,  Y02T50/673