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Title: Ball transfer mechanism with polycrystalline diamond bearing support

Abstract

A ball transfer mechanism for a harmonic drive and linear piston motor is disclosed. The ball transfer mechanism includes a spherical ball and a cylindrical seat portion. The seat portion defines a hemispherical shaped recess with a contour for receiving the ball. The ball transfer mechanism is in an exterior wall of a housing for converting rotary motion to linear motion, driving a linear piston motor. The harmonic drive drives a rotor of the linear piston motor. The harmonic drive includes a hollow cylindrical coupler portion engaging a rotor portion for transferring torque to the rotor portion. Transfer mechanisms disposed along a housing wall of the linear piston motor engage the coupler portion. The coupler portion includes harmonic cam grooves for receiving spherical balls in the ball transfer mechanism that drives rotational motion in the rotor in response to axially linear movement of the piston assembly.

Inventors:
Issue Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
2222069
Patent Number(s):
11719046
Application Number:
17/190,881
Assignee:
National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)
DOE Contract Number:  
NA0003525
Resource Type:
Patent
Resource Relation:
Patent File Date: 03/03/2021
Country of Publication:
United States
Language:
English

Citation Formats

Raymond, David W. Ball transfer mechanism with polycrystalline diamond bearing support. United States: N. p., 2023. Web.
Raymond, David W. Ball transfer mechanism with polycrystalline diamond bearing support. United States.
Raymond, David W. Tue . "Ball transfer mechanism with polycrystalline diamond bearing support". United States. https://www.osti.gov/servlets/purl/2222069.
@article{osti_2222069,
title = {Ball transfer mechanism with polycrystalline diamond bearing support},
author = {Raymond, David W.},
abstractNote = {A ball transfer mechanism for a harmonic drive and linear piston motor is disclosed. The ball transfer mechanism includes a spherical ball and a cylindrical seat portion. The seat portion defines a hemispherical shaped recess with a contour for receiving the ball. The ball transfer mechanism is in an exterior wall of a housing for converting rotary motion to linear motion, driving a linear piston motor. The harmonic drive drives a rotor of the linear piston motor. The harmonic drive includes a hollow cylindrical coupler portion engaging a rotor portion for transferring torque to the rotor portion. Transfer mechanisms disposed along a housing wall of the linear piston motor engage the coupler portion. The coupler portion includes harmonic cam grooves for receiving spherical balls in the ball transfer mechanism that drives rotational motion in the rotor in response to axially linear movement of the piston assembly.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Aug 08 00:00:00 EDT 2023},
month = {Tue Aug 08 00:00:00 EDT 2023}
}

Works referenced in this record:

Down-hole mud actuated hammer
patent, March 1995


Fluid-powered linear motor with rotary pistons and motion rectifier
patent-application, April 2019


Multi-function power tool
patent-application, May 2012


Fastener driving device
patent-application, September 2009