Energizing element and methods of making and using the same
An energizing element including: an energizing element body oriented about a central axis, the energizing element body defining an inner radius, IR, and an outer radius, OR, where the difference between the outer radius and the inner radius defines an adjusted width, W, of the energizing element body, where the inner radius and the outer radius determine an average radius, R, of the energizing element body about the central axis, where the energizing element body defines an aspect ratio, W/R, where W/R>0.1, where the energizing element body has a maximum linear contact length on the inner radius, L IR , where the energizing element body has a perimeter on the inner radius, P IR , and L IR /P IR >0.80, where the energizing element body has a maximum linear contact length on the outer radius, L OR , where the energizing element body has a perimeter on the outer radius, P OR , and L OR /P OR >0.55, and where the adjusted width is less than 5 mm.
1 . An energizing element comprising:
an energizing element body oriented about a central axis, the energizing element body defining an inner radius (IR) and an outer radius (OR), wherein the difference between the outer radius and the inner radius defines an adjusted width (W) of the energizing element body, and wherein energizing element body comprises an annular filament oriented about the central axis,
wherein the inner radius and the outer radius determine an average radius (R) of the energizing element body about the central axis, wherein the energizing element body defines an aspect ratio (W/R), wherein W/R>0.1,
wherein the energizing element body has a maximum linear contact length on the inner radius (L IR ), wherein the energizing element body has a perimeter on the inner radius (P IR ), and L IR /P IR >0.80,
wherein the energizing element body has a maximum linear contact length on the outer radius (L OR ), wherein the energizing element body has a perimeter on the outer radius (P OR ), and L OR /P OR >0.55, and
wherein the adjusted width is less than 5 mm.
2 . An energizing element comprising:
an energizing element body oriented about a central axis, the energizing element body defining an inner radius (IR) and an outer radius (OR), wherein the difference between the outer radius and the inner radius defines an adjusted width (W) of the energizing element body, and wherein energizing element body comprises an annular filament oriented about the central axis,
wherein the inner radius and the outer radius determine an average radius (R) of the energizing element body about the central axis, wherein the energizing element body defines an aspect ratio (W/R), wherein W/R>0.2,
wherein the energizing element body has a maximum linear contact length on the inner radius (L IR ), wherein the energizing element body has a perimeter on the inner radius (P IR ), and L IR /P IR >0.74,
wherein the energizing element body has a maximum linear contact length on the outer radius (L OR ), wherein the energizing element body has a perimeter on the outer radius (P OR ), and L OR /P OR >0.38, and
wherein the adjusted width is less than 5 mm.
3 . A seal comprising:
an annular jacket comprising a body defining an annular recess; and
an energizing element disposed within the annular recess, the energizing element comprising:
an energizing element body oriented about a central axis, the energizing element body defining an inner radius (IR) and an outer radius (OR), wherein the difference between the outer radius and the inner radius defines an adjusted width (W) of the energizing element body, and wherein energizing element body comprises an annular filament oriented about the central axis,
wherein the inner radius and the outer radius determine an average radius (R) of the energizing element body about the central axis, wherein the energizing element body defines an aspect ratio (W/R), wherein W/R>0.1,
wherein the energizing element body has a maximum linear contact length on the inner radius (L IR ), wherein the energizing element body has a perimeter on the inner radius (P IR ), and L IR /P IR >0.80,
wherein the energizing element body has a maximum linear contact length on the outer radius (L OR ), wherein the energizing element body has a perimeter on the outer radius (P OR ), and L OR /P OR >0.38, and
wherein the adjusted width is less than 5 mm.
4 . The energizing element of claim 1 , wherein the energizing element is a polymeric material selected from the group consisting of acrylates, polytetrafluoroethylene (PTFE), fluorinated ethylene-propylene (FEP), polyvinylidenfluoride (PVDF), polychlorotrifluoroethylene (PCTFE), ethylene chlorotrifluoroethylene (ECTFE), perfluoroalkoxy alkane (PFA), polyacetal, polybutylene terephthalate (PBT), polyethylene terephthalate (PET), polyimide (PI), polyetherimide, polyetheretherketone (PEEK), polyethylene (PE), polysulfone, polyamide (PA), polyphenylene oxide, polyphenylene sulfide (PPS), polyurethane, polyester, liquid crystal polymers (LCP), or any combination thereof.
5 . The energizing element of claim 1 , wherein the energizing element is a metal material selected from the group consisting of steel, spring steel, stainless steel, such as 301 Stainless Steel, 302/304 Stainless Steel, 316 Stainless Steel, or 17-7 Stainless Steel, bronze, copper, molybdenum, cobalt, iron, chromium, copper, manganese, titanium, zirconium, Monel, Inconel, aluminum, carbon, tungsten, Elgiloy, Hastelloy, or an amorphous metal compound, and oil tempered chrome silicon or vanadium.
6 . The energizing element of claim 1 , wherein the energizing element body comprises multiple tabs oriented about the central axis.
7 . The energizing element of claim 6 , wherein at least one tab is oriented radially inward.
8 . The energizing element of claim 6 , wherein at least one tab is oriented radially outward.
9 . The energizing element of claim 1 , wherein the energizing element body comprises a ribbon spring comprising a plurality of circumferential coils oriented about the central axis.
10 . The energizing element of claim 1 , wherein the energizing element body comprises a U-shaped cross-sectional spring oriented about the central axis.
11 . The energizing element of claim 1 , wherein the energizing element body comprises a V-shaped cross-sectional spring oriented about the central axis.
12 . The energizing element of claim 1 , wherein the energizing element body comprises an O-shaped cross-sectional spring oriented about the central axis.
13 . The energizing element of claim 1 , wherein the energizing element body is not welded.
14 . The energizing element of claim 1 , wherein the energizing element body defines a plurality of contact features comprising at least one inner contact feature on the inner radius and at least one outer contact feature on the outer radius.
15 . The energizing element of claim 1 , wherein the plurality of contact features is less than 20.
16 . The energizing element of claim 15 , wherein the cross-sectional shape of the at least one inner contact feature is different than the cross-sectional shape of the at least one outer contact feature.
17 . The energizing element of claim 1 , wherein the energizing element body comprises a plurality of oscillations, wherein each oscillation in the plurality of oscillations travels from one transversal of a circumferentially oriented line perpendicular and circumferential to the central axis at a fixed point in the filament to the neighboring transversal of the circumferentially oriented line perpendicular to the central axis at a neighboring point in the filament.
18 . The energizing element of claim 17 , wherein the plurality of oscillations comprise internal oscillations and external oscillations.
19 . The energizing element of claim 1 , wherein the energizing element comprises a plurality of energizing elements.
20 . The energizing element of claim 19 , wherein the plurality of energizing elements are stacked upon each other in the axial direction.