Energizing element and methods of making and using the same

Patent metadata

Field	Value
Publication number	US-12338897-B2
Application number	US-202318319815-A
Country	US
Kind code	B2
Filing date	May 18, 2023
Priority date	May 19, 2022
Publication date	Jun 24, 2025
Grant date	Jun 24, 2025

Abstract

An energizing element including: an energizing element body including an annular filament oriented about a central axis, the annular filament including a plurality of oscillations generally directed down the central axis, where at least one oscillation includes an internal circumferential void having a first circumferential width, W FV , and a second circumferential width, W SV , located at a different axial position along the oscillation, and where W FV ≠W SV .

First claim

What is claimed is:

1. An energizing element comprising: an energizing element body comprising a filament oriented about a central axis, the filament comprising a plurality of oscillations generally directed down the central axis, wherein at least one oscillation comprises an internal circumferential void having a first circumferential width, WFV, and a second circumferential width, Wsv, located at an axial position along the oscillation, and wherein WFV≠Wsv, wherein the filament has a circumferential width, WEE, that is substantially uniform along the energizing element body, wherein the axial position of the first circumferential width, WFV, is axially outward of the axial position of the second circumferential width, Wsv, wherein WFv>1.IWsv.

2. An energizing element comprising: an energizing element body comprising a filament oriented about a central axis, the filament comprising a plurality of oscillations generally directed down the central axis, wherein the plurality of oscillations comprise an exterior oscillation from a center point having a filament length, LFF, and a circumferentially neighboring interior oscillation from the center point having a filament length, LSF, and wherein LFF≠LSF, wherein the filament has a circumferential width, WEE, that is substantially uniform along the energizing element body, wherein the plurality of oscillations comprises a first oscillation and a second oscillation, wherein the first oscillation has an internal circumferential void having a circumferential width, WFOv, and the second oscillation has internal circumferential void having a circumferential width, Wsov, and WFOV≠WSOV.

3. An energizing element comprising: an energizing element body comprising a filament oriented about a central axis, the filament comprising a plurality of oscillations generally directed down the central axis, wherein the plurality of oscillations comprise a plurality of exterior oscillations from a center point, and a plurality of interior oscillations from the center point, wherein the number of exterior oscillations is greater than the number of interior oscillations such that there are a plurality of exterior oscillations between each neighboring interior oscillation, wherein the filament has a circumferential width, WEE, that is substantially uniform along the energizing element body.

4. The energizing element of claim 2 , wherein L FF ≥1.1L SF .

5. The energizing element of claim 2 , wherein L SF ≥1.1L FF .

6. The energizing element of claim 3 , wherein the number of exterior oscillations is greater than two times the number of interior oscillations.

7. The energizing element of claim 3 , wherein at least one exterior oscillation is connected to at least one interior oscillation across the center point by an arcuate portion spanning a circumferential distance wider than a circumferential width of the filament.

8. The energizing element of claim 1 , wherein the filament defines an angle α in a radial direction between neighboring oscillations, wherein α is between 0-180°.

9. The energizing element of claim 1 , wherein the plurality of oscillations has an interior oscillation having an axial apex having a height, H IO , and an exterior oscillation having an axial apex having a height, H EO , wherein H IO ≥H EO .

10. The energizing element of claim 1 , wherein the plurality of oscillations has an interior oscillation having an axial apex having a height, H IO , and an exterior oscillation having an axial apex having a height, H EO , wherein H EO ≥H IO .

11. The energizing element of claim 9 , wherein at least one of an axial apex of the interior oscillation or the exterior oscillation is generally disposed at a mid-way point of the circumferential width, W V , of an internal circumferential void or external circumferential void.

12. The energizing element of claim 9 , wherein at least one of an axial apex of the interior oscillation or the exterior oscillation comprises a circumferential ridge.

13. The energizing element of claim 9 , wherein at least one of an axial apex of the interior oscillation or the exterior oscillation is rectilinear.

14. The energizing element of claim 9 , wherein at least one of an axial apex of the interior oscillation or the exterior oscillation is rounded.

15. The energizing element of claim 9 , wherein at least one of an axial apex of the interior oscillation or the exterior oscillation comprises a plurality of local axial apexes.

16. The energizing element of claim 15 , wherein the plurality of local axial apexes are circumferentially spaced apart by a saddle.

17. The energizing element of claim 9 , wherein at least one of an axial apex of the interior oscillation or the exterior oscillation comprises an axial apex circumferentially spaced apart by a first axial shoulder and a second axial shoulder.

18. The energizing element of claim 1 , wherein the energizing element has a Daub-sectional profile selected from a D-shape, a U-shape, a V-shape, an O-shape, an E-shape, or a C-shape.

19. The energizing element of claim 1 , wherein the energizing element comprises a plurality of energizing elements.

Assignees

• Saint Gobain Performance Plastics Corp

Inventors

• Stevenheydens Gino L
• Aerts Peter
• Nunna Shabarish
• Dubois Herman M

Classifications

• F16J15/3236

  with at least one lip for each surface, e.g. U-cup packings · CPC title

• F16J15/3212 Primary

  with metal springs · CPC title

• F16J15/3208 Primary

  provided with tension elements, e.g. elastic rings · CPC title

• F16F2228/001

  Specific functional characteristics in numerical form or in the form of equations · CPC title

• F16F1/025

  characterised by having a particular shape (F16F1/04, F16F1/14, F16F1/18, F16F1/32, F16F1/34 take precedence) · CPC title