公开(公告)号：US20250003727A1

公开(公告)日：2025-01-02

申请号：US18750259

申请日：2024-06-21

Applicant: ILLINOIS TOOL WORKS INC.

Inventor： Richard A. Meyer ,  Riley August Rogotzke

IPC: G01B5/30

Abstract: An extensometer structure includes a flexure assembly having a support mount, a first contact device mount rigidly fixed to the support mount and a second contact device mount coupled to the support mount by an upper flexure arm and a lower flexure arm. The upper flexure arm is spaced apart from and arranged directly above and in alignment with the lower flexure arm. The second contact device mount is configured to vertically travel relative to the first contact device mount.

公开(公告)号：US20250102386A1

公开(公告)日：2025-03-27

申请号：US18893071

申请日：2024-09-23

Applicant: ILLINOIS TOOL WORKS INC.

Inventor： Richard Alan Meyer ,  David Allen Pankratz ,  Dustin X. Bonner ,  Riley August Rogotzke

IPC: G01L13/06 ,  G01L9/04

Abstract: Described herein are examples of differential pressure sensors designed to work with dynamic, high pressure, hydraulic systems. The sensors have a one piece sensor housing that is durable enough to withstand intense fluid pressures and associated stresses. Additionally, the sensors use foil (rather than, for example, piezoelectric) strain gauges to enable pressure measurement even under the unique stresses imposed by dynamic, high pressure, hydraulic systems. Furthermore, the sensor tubes of the sensor help to isolate the strain gauges from some of the bowing/bending stresses that the main body of the sensor may experience due to the intense fluid pressures.

公开(公告)号：US20250164364A1

公开(公告)日：2025-05-22

申请号：US18946507

申请日：2024-11-13

Applicant: ILLINOIS TOOL WORKS INC.

Inventor： Richard A. Meyer ,  David Chua ,  Riley August Rogotzke

IPC: G01N3/04

Abstract: A method of operating a testing machine includes obtaining first sensor outputs from a first load cell indicative of forces on sensors of the first load cell at a first end of a test specimen. The method further includes obtaining second sensor outputs from a second load cell indicative of forces on sensors of the second load cell at a second opposite end of the test specimen mounted in a second grip. Forces at the sensors of the first load cell and sensors of the second load cell are determined from the first sensor outputs and the second sensor outputs. The test specimen is coaxially aligned with the first and second grips along an axis by adjusting at least one of an alignment device of the testing machine or at least one of a position of the test specimen in the first or second grip.