公开(公告)号：US20190003563A1

公开(公告)日：2019-01-03

申请号：US16003634

申请日：2018-06-08

Applicant: Eaton Intelligent Power Limited

Inventor： Thomas J. Fields ,  Sorin Gavriliuc ,  Christopher J. Jezewski ,  Tyler Q. Curtis

IPC: F16H25/24 ,  F16H25/22

Abstract: A self-locking nut and screw assembly may include a screw and a first nut rotatable and linearly translatable with respect to each other. The assembly may also include a first motor configured to provide torque to one of the screw and the first nut. The assembly may further include a locking mechanism configured to lock the screw to prevent backdrive when the motor is not providing torque to the one of the screw and the first nut.

公开(公告)号：US20190017580A1

公开(公告)日：2019-01-17

申请号：US16070362

申请日：2017-01-20

Applicant: Eaton Intelligent Power Limited

Inventor： Tyler Q. Curtis

IPC: F16H25/20 ,  F16H25/22 ,  B64C13/28

Abstract: A ball screw assembly for use in an actuator is provided. The ball to screw assembly may include a ball screw supported for rotation by the actuator. A ball nut may be provided around the ball screw and may be held against rotation with the ball screw by said actuator. A primary load path may be provided between the ball screw and the ball nut for operatively coupling the ball nut with the ball screw. A secondary load path may be provided between the ball screw and the ball nut, wherein the secondary load path can be disengaged during a normal operating mode of the ball screw assembly and the secondary load path can be engaged during a second operating mode of the ball screw assembly.

公开(公告)号：US11149828B2

公开(公告)日：2021-10-19

申请号：US16070362

申请日：2017-01-20

Applicant: Eaton Intelligent Power Limited

Inventor： Tyler Q. Curtis

IPC: F16H25/20 ,  F16H25/22 ,  F16H25/24 ,  B64C13/28

Abstract: A ball screw assembly for use in an actuator is provided. The ball to screw assembly may include a ball screw supported for rotation by the actuator. A ball nut may be provided around the ball screw and may be held against rotation with the ball screw by said actuator. A primary load path may be provided between the ball screw and the ball nut for operatively coupling the ball nut with the ball screw. A secondary load path may be provided between the ball screw and the ball nut, wherein the secondary load path can be disengaged during a normal operating mode of the ball screw assembly and the secondary load path can be engaged during a second operating mode of the ball screw assembly.

公开(公告)号：US20190120349A1

公开(公告)日：2019-04-25

申请号：US16169163

申请日：2018-10-24

Applicant: Eaton Intelligent Power Limited

Inventor： Tyler Q. Curtis ,  Aaron M. Klap

IPC: F16H25/22

Abstract: An actuator includes a housing member configured for connection with a first component, a drive screw connected to the housing member, a rod disposed at least partially in the drive screw and at least partially in the housing member, a retaining nut connected to the rod, a mounting member configured for connection with the first component, and a drive nut engaged with the drive screw and configured for connection with a second component. If the drive screw mechanically disconnects or is fractured, the rod may be configured to translate to engage one or more friction surfaces to restrict back driving of the drive screw.