公开(公告)号：US20170241246A1

公开(公告)日：2017-08-24

申请号：US15502719

申请日：2015-07-31

Applicant: Moog Inc.

Inventor： Gregory M. Harnsberger ,  Carl Deirmengian ,  Brian Williams ,  David P. Cardamone ,  John C. Layer

IPC: E21B43/12 ,  F04B19/22 ,  H02K5/132 ,  H02K41/03 ,  H02K1/34 ,  H02K1/14 ,  F04B47/06 ,  F04B17/03

CPC classification number: E21B43/128 ,  E21B41/00 ,  E21B43/121 ,  E21B47/0007 ,  F04B17/03 ,  F04B19/22 ,  F04B47/04 ,  F04B47/06 ,  H02K1/14 ,  H02K1/34 ,  H02K5/132 ,  H02K41/033

Abstract: A linear actuator for pumping comprising a stator having an inner opening, a shaft having a plurality of permanent magnets spaced linearly in the axial direction, the shaft disposed in the stator opening and configured to reciprocate linearly in the axial direction relative to the stator, the stator comprising a first stator assembly having a plurality of pole sections spaced linearly in the axial direction and a plurality of coils disposed therebetween, a second stator assembly having a plurality of pole sections spaced linearly in the axial direction and a plurality of coils disposed therebetween, a bearing assembly positioned axially between the first stator assembly and the second stator assembly, and the bearing assembly having a width that is a function of the spacing of the plurality of pole sections of the first stator assembly and the second assembly and the spacing of the plurality of permanent magnets of the shaft.

公开(公告)号：US11274533B2

公开(公告)日：2022-03-15

申请号：US15502719

申请日：2015-07-31

Applicant: Moog Inc.

Inventor： Gregory M. Harnsberger ,  Carl Deirmengian ,  Brian Williams ,  David P. Cardamone ,  John C. Layer

IPC: E21B43/12 ,  F04B47/06 ,  F04B47/04 ,  F04B17/03 ,  F04B19/22 ,  H02K1/14 ,  H02K1/34 ,  H02K5/132 ,  H02K41/03 ,  E21B47/008

Abstract: A linear actuator for pumping comprising a stator having an inner opening, a shaft having a plurality of permanent magnets spaced linearly in the axial direction, the shaft disposed in the stator opening and configured to reciprocate linearly in the axial direction relative to the stator, the stator comprising a first stator assembly having a plurality of pole sections spaced linearly in the axial direction and a plurality of coils disposed therebetween, a second stator assembly having a plurality of pole sections spaced linearly in the axial direction and a plurality of coils disposed therebetween, a bearing assembly positioned axially between the first stator assembly and the second stator assembly, and the bearing assembly having a width that is a function of the spacing of the plurality of pole sections of the first stator assembly and the second assembly and the spacing of the plurality of permanent magnets of the shaft.

公开(公告)号：US10651710B2

公开(公告)日：2020-05-12

申请号：US15502707

申请日：2015-07-31

Applicant: Moog Inc.

Inventor： Gregory M. Harnsberger ,  Carl Deirmengian ,  David P. Cardamone

IPC: H02K15/03 ,  H02K41/03 ,  H02K1/34 ,  H02K5/128

Abstract: A method of assembling a shaft of a magnetic motor comprising the steps of providing a plurality of magnets (210), providing a plurality of pole pieces (212), stacking (S11) said magnets and pole pieces to form a subassembly (202) having an outer surface of a first diameter, providing a precipitation hardenable stainless steel sheet material, forming said stainless steel sheet material into a tube (S20), drawing said tube to form a precision tube having an inner surface of a second diameter (S21), said second diameter being greater than or equal to said first diameter, heat treating said precision tube to form a tubular sleeve of a Rockwell C hardness of at least about 40 and a magnetic permeability of at least about 100 (S22), and inserting said subassembly axially into said sleeve (S30), thereby forming a shaft for a magnetic motor.

公开(公告)号：US20170229945A1

公开(公告)日：2017-08-10

申请号：US15502707

申请日：2015-07-31

Applicant: Moog Inc.

Inventor： Gregory M. Harnsberger ,  Carl Deirmengian ,  David P. Cardamone

IPC: H02K15/03 ,  H02K41/03 ,  H02K1/34

CPC classification number: H02K15/03 ,  H02K1/34 ,  H02K41/031 ,  H02K2005/1287

Abstract: A method of assembling a shaft of a magnetic motor comprising the steps of providing a plurality of magnets (210), providing a plurality of pole pieces (212), stacking (S11) said magnets and pole pieces to form a subassembly (202) having an outer surface of a first diameter, providing a precipitation hardenable stainless steel sheet material, forming said stainless steel sheet material into a tube (S20), drawing said tube to form a precision tube having an inner surface of a second diameter (S21), said second diameter being greater than or equal to said first diameter, heat treating said precision tube to form a tubular sleeve of a Rockwell C hardness of at least about 40 and a magnetic permeability of at least about 100 (S22), and inserting said subassembly axially into said sleeve (S30), thereby forming a shaft for a magnetic motor.

公开(公告)号：US20150308244A1

公开(公告)日：2015-10-29

申请号：US14646970

申请日：2013-11-26

Applicant: MOOG INC.

Inventor： David P. Cardamone ,  Carl Deirmengian ,  Eugene F. Keohane ,  Benjamin W. Kinnaman

IPC: E21B43/12 ,  G05B15/02

Abstract: A deep well linear motor pump system (122) comprising a downhole linear electric motor (222) having a stator and a shaft configured to move linearly relative to the stator, a downhole pump (220) having an inlet (227), an outlet (228), and a piston coupled to the linear motor shaft, a motor driver system (318) connected with the linear motor and configured to provide drive commands to the linear motor, a surface control computer (126) connected with the motor drive system and configured to control the linear motor, a sensor system (224) communicating with the control computer and configured to sense operating parameters of the linear motor, and the sensor system comprising a synchronous serial interface encoder configured to sense position of the motor shaft and a temperature sensor configured to sense the temperature of the motor.

Abstract translation: 一种深井直线电机泵系统（122），包括具有定子和配置为相对于定子线性移动的轴的井下线性电动机（222），具有入口（227），出口（220）的井下泵 228）和联接到所述线性电动机轴的活塞，与所述线性电动机连接并被配置为向所述线性电动机提供驱动命令的电动机驱动器系统（318），与所述电动机驱动系统连接的表面控制计算机（126） 被配置为控制所述线性电动机，所述传感器系统（224）与所述控制计算机通信并被配置为感测所述线性电动机的操作参数，并且所述传感器系统包括被配置为感测所述电动机轴的位置的同步串行接口编码器以及温度 传感器配置为感测电机的温度。