公开(公告)号：US20190123627A1

公开(公告)日：2019-04-25

申请号：US16105452

申请日：2018-08-20

Applicant: Hamilton Sundstrand Corporation

Inventor： Michal BIELEN ,  Mariusz MALIK

IPC: H02K26/00 ,  F16K31/04

CPC classification number: H02K26/00 ,  F16K31/04 ,  H02K2201/03 ,  H02K2213/09

Abstract: A torque motor for a servovalve, said torque motor comprising a set of pole pieces comprising a first pole piece and a second pole piece. An armature is also provided between the first pole piece and the second pole piece, said armature configured to provide air gaps (AG1-AG4) between the armature and the first pole piece, and the armature and the second pole piece. The armature is configured to rotate about a centre point (CP). The set of pole pieces is also adapted to rotate around the centre point (CP) such that the air gaps (AG1-AG4) can be adjusted.