Thermal shrinkage prevention support ring for dynamic radial sealing section

Abstract

To provide a seal with higher reliability that is able to properly maintain its sealing function even when subjected to extreme operating conditions.SOLUTION: Systems and methods include providing a seal for an assembly. The seal includes a jacket 152 having a base 154, an inner sealing leg 156 and an outer sealing leg 158, and further includes a spring 160 disposed within the jacket between and in contact with the inner sealing leg and the outer sealing leg. The spring includes an annular support ring disposed within the spring. The support ring 170 biases an outer diameter (OD) of the spring towards the outer sealing leg of the jacket to maintain contact pressure between the inner sealing leg of the jacket and the shaft of the assembly. The support ring controls thermal shrinkage of the spring to maintain a seal between a housing and a shaft of the assembly when the assembly is operated at cryogenic temperatures.SELECTED DRAWING: Figure 1

Description

Background Art

[0001] Sealing portions are used in many industrial applications to prevent leakage between components of an assembly. In some applications, these sealing portions may be exposed to extreme operating conditions such as cryogenic temperatures and / or high temperatures, which can cause a portion of the sealing portion or a component of the assembly to shrink, expand, or deform, thereby reducing the contact pressure between the sealing portion and the component. In some cases, this reduction in contact pressure under these extreme operating conditions can cause leakage between the sealing portion and one or more components. Therefore, sealing portions exposed to such extreme operating conditions require higher reliability to properly maintain their sealing function. For this reason, the industry continues to demand improvements in sealing portion technology for such applications.

Brief Description of the Drawings

[0002] To achieve and more fully understand the features and advantages of embodiments, a more specific description can be made by referring to the embodiments illustrated in the accompanying drawings. However, the drawings illustrate only some embodiments and should not be considered as limiting the scope, as other equally valid embodiments may exist. [Figure 1] A cross-sectional view of an assembly having an annular sealing portion according to an embodiment of the present disclosure. [Figure 2] A cross-sectional view of a spring and a support ring of an annular sealing portion according to an embodiment of the present disclosure. [Figure 3] A cross-sectional view of a spring and a support ring of an annular sealing portion according to an embodiment of the present disclosure. [Figure 4] A cross-sectional view of a spring and a support ring of an annular sealing portion according to an embodiment of the present disclosure. [Figure 5] This is a cross-sectional view of an assembly having an annular sealing portion according to an embodiment of the present disclosure, showing the contact pressure (CP) distribution across the annular sealing portion.

[0003] The use of the same reference numeral in different drawings indicates the same or identical item. [Modes for carrying out the invention]

[0004] Figure 1 shows a partial cross-sectional view of assembly 100 according to an embodiment of the present disclosure. In that embodiment, the assembly 100 is a coupling assembly, a solenoid assembly, or a valve It can be an assembly. In a more specific embodiment, the assembly 100 is used in aerospace, alternative energy This could be a coupling, solenoid, or valve for energy, medical, or underwater applications. Assembly Generally, 100 is connected to the housing 102 and the shaft 106, or along it. It may include a shaft 104 that rotates or reciprocates within the jing. Several embodiments In this case, the shaft 104 may be a hollow shaft. However, in other embodiments, The shaft 104 may be a solid shaft. The assembly 100 is formed within the housing 102. The cavity 108 formed between the housing 102 and the shaft 104 is further It can be provided. In some embodiments, the housing 102 is collectively It may comprise one or more additional components that make up the structure. For example, in some embodiments, The additional components include the attachment and / or removal of the annular sealing portion 150 disposed within the cavity 108. To allow removal, housing 10 allows access to cavity 108. It may be possible to selectively remove it from 2.

[0005] The annular sealing portion 150 is generally located within the cavity 108 and within the shaft 104 and / or axis 1 It may be arranged around 06. The sealing part 150 is the housing 102 and the shutter of the assembly 100. The shaft 104 is in contact with the shaft 104, and a radial seal is provided between the housing 102 and the shaft 104. It may be configured to provide a stopper. The sealing portion 150 consists of a jacket 152 and an annular biasing element It may comprise a spring 160 and a support ring 170 arranged annularly within the spring 160. The jacket 152 has a heel portion or base adjacent to and in contact with a part of the housing 102. It may include part 154. The jacket 152 also extends from the base 154 and the shaft 104 An inner sealing leg portion 156 adjacent to and in contact with the housing 102, and extending from the base 154. It may include an outer sealing leg portion 158 adjacent to and in contact with the other. However, other embodiments Jacket 152 may have additional features and / or contours. Generally, they can be formed from thermosetting resins, thermoplastic resins, or combinations thereof. Specifically, jacket 152 may or may not have reinforcing additives or fillers, PTF E, fluoropolymer, perfluoropolymer, TFM, PVF, PVDF, PCTFE PFA, FEP, ETFE, ECTFE, PCTFE, PEEK, PEK, or P Polyaryl ketones such as EKK, PPS, PPSU, PSU, PPE, or PPO Polysulfones such as PPA, aromatic polyamides such as PI, PEI, or TPI It can be formed from any thermoplastic polyimide, or any combination thereof.

[0006] In some embodiments, the spring 160 is measured from the axis 106 of the shaft 104. A circular metal ring having an inner diameter (inner diameter, ID) and an outer diameter (outer diameter, OD). The body may be provided. In some embodiments, the ID of spring 160 is at least 1 mm, at least 2 mm, at least 3 mm, at least 4 mm, at least 5 mm, at least 6 mm, at least 7 mm, at least 8 mm, at least 9 mm, at least 10 mm , at least 25 mm, at least 50 mm, at least 75 mm, at least 100 m m, at least 150 mm, at least 200 mm, at least 250 mm, at least 300 mm, at least 400 mm, at least 500 mm, or may be even larger. In some embodiments, the OD of spring 160 is at least 1 mm, at least 2 m m, at least 3 mm, at least 4 mm, at least 5 mm, at least 6 mm, at least 7 mm, at least 8 mm, at least 9 mm, at least 10 mm, at least 11 mm, at least 12 mm, at least 13 mm, at least 14 mm, at least 15 mm, at least 25 mm, at least 50 mm, at least 75 mm, at least 100 mm, at least 150 mm, at least 200 mm, at least 250 mm, at least 300 mm, at least 500 mm, at least 1000 mm, or may be even larger . In some embodiments, spring 160 may include a non-circular metal ring-shaped body having an outer diameter (OD). For example, in some embodiments, spring 160 may include a C-shaped spring . Further, in some embodiments, spring 160 may include a circular or non-circular coil spring .

[0007] Spring 160 is within jacket 152 and between the inner sealing leg 156 and the outer It can be disposed between the side sealing leg portion 158 and in contact with the inner sealing leg portion 156 and the outer sealing leg portion 158 of the jacket 152. More specifically, the spring 160 is such that the inner diameter of the metal ring-shaped body of the spring 160 is adjacent to and contacts the inner sealing leg portion 156 of the jacket 152, and the outer diameter of the metal ring-shaped body of the spring 160 is adjacent to and contacts the outer sealing leg portion 158 of the jacket 152, and can be disposed within the jacket 152. In the illustrated embodiment, the spring 160 has a substantially circular cross-sectional profile or shape. However, in other embodiments, the spring 160 can have an elliptical, oval, or other shaped cross-sectional profile or shape. The spring 160 can generally be formed from an elastic metal material. More specifically, the spring 160 can be formed from a nickel-chromium-based alloy such as Inconel (registered trademark), a nickel-based alloy, a cobalt-chromium-nickel-molybdenum alloy, a beryllium-copper alloy, nickel, titanium, tungsten, stainless steel, spring steel, steel, aluminum, zinc, copper, magnesium, tin, platinum, lead, iron, or bronze. In some embodiments, the spring 160 can be provided with a coating such as an aluminum chromium nitride (AlCrN) coating, a titanium aluminum nitride (TiAlN) coating, any other wear-resistant metal coating, or any combination thereof. Figure 2 shows a cross-sectional view of the spring 160 and the support ring 170 according to an embodiment of the present disclosure. The support ring 170 can generally be disposed annularly within the spring 160. In some embodiments, the support ring 170 can be disposed adjacent to the OD of the spring 160. In some embodiments, the support ring 170 is radially aligned with the center 162 of the spring 160.

[0008] ​​​​​​​​​​​​It may be done. More specifically, in some embodiments, the support ring 170 is a support ring The center 172 of the 170 can be radially aligned with the center 162 of the 160 spring. Furthermore, it can be positioned in the axial direction. In addition, in some embodiments, the support ring 170 is It can come into at least partial contact with 160. More specifically, in some embodiments, The outer surface of the support ring 170 may be in at least partial contact with the inner surface of the spring 160. Furthermore, in some embodiments, the support ring 170 may be coupled to the spring 160. However, in some embodiments, the support ring 170 is released from the spring 160. It can move, rotate, or translate freely independently of the spring 160.

[0009] In some embodiments, the outer surface of the support ring 170 is such that the spring 160 is not compressed. It cannot come into contact with the inner surface. Therefore, it is provided to the spring 160 by the support ring 170. The support is determined by the cross-sectional shape and the distance between the inner surface of the spring 160 and the outer surface of the support ring 170. Alternatively, it will be understood that it can be a function of the tolerance. For example, in some embodiments, The tolerance between the inner surface of part 160 and the outer surface of the support ring 170 is at least 0.05 millimeters (mm), at least 0.10 mm, at least 0.15 mm, at 0.20mm, at least 0.25mm, at least 0.30mm, at least 0.35 mm, at least 0.40 mm, at least 0.45 mm, at least 0.50 mm, and This can be at least 0.75 mm. In some embodiments, the inner surface of the spring 160 The tolerance between the outer surface of the support ring 170 is 1 mm or less, 0.75 mm or less, 0.5 0mm or less, 0.305mm or less, 0.280mm or less, 0.254mm or less, 0.22 It may be 9mm or less, 0.204mm or less, or 0.20mm or less. Furthermore, spring 160 The tolerance between the inner surface of the support ring 170 and the outer surface of the support ring 170 is at least 0.05 mm to 1 mm or less, at least 0.20 mm to 0.305 mm or less, or at least 0.20 mm It could be between any of these minimum and maximum values, such as less than or equal to ~0.254 mm. This will be understood.

[0010] In some embodiments, at least a portion of the curvature of the support ring 170 is due to the spring 16 It may be complementary to a curvature of 0. In some embodiments, the support ring 170 is a spring 16 The contact height (C) represents a portion of the curvature of the support ring 170 that is in contact with 0. H) may be provided. In some embodiments, it is in a free state and is taken into the assembly 100. When not attached, the spring 160 and the support ring 170 cannot come into contact. However, Then, after the assembly 100 is installed into the cavity 108, when the spring 160 is compressed, the spring 1 60 and the support ring 170 may come into contact along the contact height (CH). Several implementations In this state, the support ring 170 is at least 1% of the height (H) of the support ring 170. , at least 2%, at least 3%, at least 4%, at least 5%, at least 10 Contact height which may be %, at least 15%, at least 20%, or at least 25% ( CH) may be provided. In some embodiments, the support ring 170 is of the support ring 170 75% or less of height (H), 70% or less, 65% or less, 60% or less, 55% or less, 50% or more Furthermore, it may have a contact height (CH) of 40% or less, or 30% or less. Ring 170 is at least 1% to 75% of the height (H) of the support ring 170, or further These minimum values ​​include at least 5% to 30% of the height (H) of the support ring 170. It will be understood that the contact height (CH) may be between any of the maximum values. .

[0011] The support ring 170 is generally such that the center 172 of the support ring 170 is the center 1 of the spring 160 It can be positioned axially so that it can be aligned radially with 62. In the installation configuration, the height (H) and / or width (W) of the support ring 170 is equal to the spring 160. It may have a relationship with the diameter (D). In some embodiments, the support ring 17 The relationship between the height (H) of 0 and the diameter (D) of spring 160 is the center 17 of the support ring 170. 2 may be configured to align with the center 162 of the spring 160. Several embodiments So, the height (H) of the support ring 170 is at least 10% of the diameter (D) of the spring 160. At least 25%, at least 30%, at least 35%, at least 40%, and at least It could be 45%, at least 50%, at least 55%, or at least 60%. In some embodiments, the height (H) of the support ring 170 is 9 times the diameter (D) of the spring 160. It may be 5% or less, 90% or less, 85% or less, 80% or less, or 75% or less. Furthermore, support The height (H) of the ring 170 is at least 10% to 95% of the diameter (D) of the spring 160. Below, or even below, at least 50% to 80% of the diameter (D) of spring 160, etc. It will be understood that the value can be between the minimum and maximum values.

[0012] In some embodiments, the width (W) of the support ring 170 and the diameter (D) of the spring 160 are... The relationship between the spring 160 and the support ring 170 is such that when the spring 160 is compressed radially inward, the support ring 170 and the spring 160 are compressed radially inward. It can be configured to prevent contact with ID 160. In some embodiments, The width (W) of the support ring 170 is at least 10% of the diameter (D) of the spring 160, and at least 15%, at least 20%, at least 25%, at least 30%, at least 35% It could be at least 40%, at least 45%, or at least 50%. In this embodiment, the width (W) of the support ring 170 is 75% or less of the diameter (D) of the spring 160. It could be 70% or less, 65% or less, 60% or less, 55% or less, or 50% or less. Furthermore, The width (W) of the support ring 170 is at least 10% to 75% of the diameter (D) of the spring 160. The following, or even more specifically, at least 25% to 50% of the diameter (D) of spring 160, etc. It will be understood that it can be between either the minimum or maximum value.

[0013] In some embodiments, the support ring 170 is elliptical, circular, or oblong. It may have a surface contour. In other embodiments, the support ring 170 is the support ring shown in Figure 3. C-ring cross-sectional contours such as 370, and convex outer cross-sectional rings such as the support ring 470 shown in Figure 4. Complex cross-sectional contours having a border and a concave inner cross-sectional contour, hexagonal cross-sectional contours, rhomboid cross-sectional contours, and to / or multiple contact points between the inner surface of the spring 160 and the support ring 470 shown in Figure 4 It may have a cross-sectional contour that is generated.

[0014] It should be understood that in some embodiments, the height (H) and width (W) may vary. In certain embodiments, the height (H) may be greater than the width (W). In one embodiment, the support ring 170 may have a circular cross-sectional contour. Therefore, it can be understood that the height (H) and width (W) can be substantially the same. In that embodiment, the support ring 170 may be solid. However, in other embodiments... The support ring 170 may be hollow. Furthermore, in some embodiments, the support ring The shape of 170 is such that the support ring 170 has an outer diameter and / or spring 160 In the OD, the convex outward curved shape or surface is provided, while the support ring 170 The inner diameter and / or the ID of the spring 160 has a concave, convex, or flat shape or surface. Thus, it can be asymmetrical. In some embodiments, the support ring 170 is also a support ring The 170 is divided at least partially in the circumferential direction and crushed to a smaller diameter under load. It may have a split ring configuration so as to be configured in that way.

[0015] In some embodiments, the support ring 170 may be formed from a polymer material. In embodiments such as the above, the polymer material may or may not contain reinforcing additives or fillers. PTFE, fluoropolymer, perfluoropolymer, TFM, PVF, PVDF, P CTFE, PFA, FEP, ETFE, ECTFE, PCTFE, PEEK, PEK, Young or polyarylketones such as PEKK, PPS, PPSU, PSU, PPE, or These include polysulfones such as PPO, aromatic polyamides such as PPA, PI, PEI, or It may include thermoplastic polyimides such as TPI, or any combination thereof. In one embodiment, the support ring 170 may be formed from a metallic material. So, the metal materials are nickel-chromium alloys such as Inconel (registered trademark), and nickel Cobalt-chromium-nickel-molybdenum alloys, beryllium-copper alloys, nickel Titanium, tungsten, stainless steel, spring steel, steel, aluminum, zinc, copper, magnesium It may contain nesium, tin, platinum, lead, iron, or bronze. Furthermore, in some embodiments, The support ring 170 is also coated with aluminum chromium nitride (AlCrN), titanium nitride Titanium (TiAlN) coating, any other wear-resistant metal coating, or any combination thereof It may be equipped with a covering such as a weave.

[0016] The support ring 170 generally connects the outer sealing legs 158 of the jacket 152 to the housing. Between 102 and / or the inner sealing leg portion 156 of the jacket and the shaft 1 of the assembly 100 To maintain contact pressure between 04 and jacket 152, the outer diameter (OD) of spring 160 is set to jacket 152. The support ring may be configured to bias toward the outer sealing leg portion 158. When the body 100 is operated at extremely low temperatures, the housing 102 and shaft 10 of the assembly 100 To maintain the seal between 4, a spring 160, an outer sealing leg 158, or a combination thereof is used. It may be configured to control the thermal contraction (or thermal size change in the case of high temperatures) of the interlocking parts. In some embodiments, the biasing effect of the support ring 170 on the spring 160 is applied to the assembly 1 It is understood that this can only be achieved after the sealing portion 150 is installed inside the cavity 108 of 00. cormorant.

[0017] Figure 3 shows a cross-sectional view of the spring 160 and support ring 370 according to an embodiment of the present disclosure. In some embodiments, the support ring 370 is similar to the support ring 170. Therefore, it may be suitable for use in the annular sealing portion 150. The support ring 370 is generally a support ring The convex outer surface 372 of the outer diameter of the ring 170 and / or the OD of the spring 160, and the support ring The inner diameter of the 170 and / or the concave inner surface 374 of the ID of the spring 160, It may have a C-ring cross-sectional profile.

[0018] Figure 4 is a cross-sectional view of the spring 160 and support ring 470 according to an embodiment of the present disclosure. In some embodiments, the support ring 470 may be similar to the support ring 170, and the ring It may be suitable for use in the sealing portion 150. The support ring 470 is outside the support ring 170. The outer surface 472 may be provided on the OD of the diameter and / or spring 160. In some embodiments, The outer surface 472 may protrude outward. In some embodiments, the outwardly protruding surface The surface 472 may be convex. In some embodiments, the outwardly projecting surface 472 It can be formed by multiple flat sections (for example, 3 sections, 4 sections, 5 sections). In other embodiments, the outer surface 472 may be substantially flat. Then, the outer surface 472 may protrude inward. In some embodiments, the inwardly protruding surface 472 may be convex. In some embodiments, the inwardly projecting surface 472 is It can be formed by multiple flat sections (for example, 3 sections, 4 sections, 5 sections). The support ring 470 is located in the inner diameter of the support ring 170 and / or in the ID of the spring 160. It may have a concave and / or angled inner surface 474. In some embodiments, the support ring The g 470 may have an upper surface and a lower surface 476 extending from the outer surface 472. In the configuration, the support ring 470 also has a concave angled inner surface with respect to each of the top and bottom surfaces 476. The surface may include angled transition surfaces 478 disposed between each angled surface of the surface 474.

[0019] Furthermore, in some embodiments, the support ring 470 is located on the inner surface of the spring 160 and multiple It may have a cross-sectional contour that creates a contact point 480. Thus, the outside of the support ring 470 It will be understood that surface 472 may have a radius larger than that of spring 160. In addition, non Under compression, the outer surface 472 of the support ring 470 may not come into contact with the inner surface of the spring 160. This can occur under incompression or less than full compression conditions. Therefore, the support ring 470 The contact height (CH) constitutes 100% of the outer surface 472 of the support ring 470 during full compression. It will become clear what is possible.

[0020] Figure 5 is a cross-sectional view of an assembly 100 having an annular sealing portion 150 according to an embodiment of the present disclosure. This shows the contact pressure (CP) distribution across the annular sealing portion 150. The annular sealing portion 150 may include a spring 160 and support rings 170, 370, and 470. When the conventional sealing part is exposed to a decrease in temperature, the jacket, housing 102, shaft 104, and can be contracted radially inward at a rate greater than that of the biasing spring. Inner sealing leg The contraction can be limited by the shaft, thereby, as the temperature decreases, the shaft An increasingly high contact force is applied to the foot 104. The spring cannot adequately limit its contraction, and the spring This results in radially inward compression, which causes the outer sealing legs of the jacket to conform to the housing. Loss of contact with 102 can result in leakage around the conventional sealing portion. Furthermore, In conventional sealing parts, when the shaft 104 is rotating or reciprocating, the contact force increases. This increases friction between the inner sealing leg of the jacket and the shaft 104. This leads to an increased wear rate on the inner sealing lip of the jacket, ultimately resulting in This may increase the leakage rate and / or decrease the time required for leakage to occur. The increasing contact force also increases the power and / or torque requirements of shaft 104. It can be added. Alternatively, conventional sealing parts expand when exposed to high-temperature cycles. It may undergo thermal hardening when exposed to compressive force. The seal should be heated to room temperature or even lower. Cooling to that point would result in the loss of contact between the sealing part and the assembly 100, or between them. This can result in a reduction in contact pressure. In these examples, the sealing part cools down, and the shaft As a result of being increasingly tightened on 104, friction on shaft 104 also increases. It is possible.

[0021] The embodiment of the sealing portion 150 includes support rings 170, 370, and 470. Models 170, 370, and 470 have outer sealing legs 158 of the jacket and housing 102. To maintain contact pressure between them, the outer diameter (OD) of spring 160 is the outer seal of jacket 152. It is biased toward the retaining leg portion 158, thereby the outer sealing leg portion 158 of the jacket 152 Reduce, limit, and reduce radial compression and / or contraction (or thermal size change in the case of high temperatures). This can be prevented or completely prevented between the outer sealing leg 158 and the housing 102. Sufficient contact force is maintained, and a reduced leakage rate compared to conventional sealing parts can be achieved. Furthermore, it is no longer possible to rely on the spring 160 to resist the contraction of the outer sealing leg portion 158. Therefore, a lower spring force can be used in the spring 160 than in conventional sealing parts. In some embodiments, the support rings 170, 370, and 470 are located on the shaft 104. By reducing tactile force, the conventional sealing section does not have support rings 170, 370, and 470. Rather than reducing wear on the sealing portion 150, the power and / or torque requirements of the shaft 104 are reduced. Reduce and / or improve sealing performance (such as reducing or completely preventing leaks). ) It can play a role.

[0022] In some embodiments, the support rings 170, 370, and 470 are located on the jacket 152 Between the outer sealing leg portion 158 and the housing 102, and the inner sealing leg portion of the jacket 152 It can play a role in maintaining sufficient contact pressure (CP) between 156 and shaft 104. Therefore, in some embodiments, the measurement is taken at the outer sealing leg portion 158 of the jacket 152. The contact pressure (CP) of the sealing portion 150 and the inner sealing leg portion 156 of the jacket 152 are measured. The difference from the contact pressure of the sealing part 150 is 500 MPa or less, 250 MPa or less, and 100 MPa. a or less, 75MPa or less, 50MPa or less, 45MPa or less, 40MPa or less, 35MP a or less, 30MPa or less, 25MPa or less, 20MPa or less, 15MPa or less, 10MP It may be less than or equal to a, less than or equal to 5 MPa, or less than or equal to 0.5 MPa.

[0023] Furthermore, it is understood that the sealing portion 150 may be suitable for use in a wide range of applications. Examples of applications include single-stage and multi-stage launch vehicles, lunar and interplanetary refueling stations. Examples include space applications such as lunar and planetary landers. Other exemplary applications Examples include oil and gas applications such as extraction and processing equipment, cryogenic alternative energy applications, and industrial applications. Industrial or medical applications are examples.

[0024] Embodiments of the assembly 100 and / or sealing portion 150 may include one or more of the following: ru. Embodiment 1 A sealing part having a base, an inner sealing leg, and an outer sealing leg, The jacket, and inside the jacket, between the inner sealing leg and the outer sealing leg, and the inner sealing leg and a spring disposed in contact with the outer sealing leg portion, the spring being arranged in an annular manner within the spring A sealing part comprising a spring and a ring-shaped annular support ring. Embodiment 2 An assembly comprising a shaft having an axis and a cavity and shaft A housing arranged in a ring around the periphery, and a shaft and housing arranged within a cavity. A sealing part configured to provide a radial sealing part between the base and the sealing part, the sealing part comprises a base, Inner sealing leg portion adjacent to and in contact with the shaft, and adjacent to and in contact with the housing A jacket having an outer sealing leg, and inside the jacket, an inner sealing leg and an outer sealing leg A spring disposed between the part and in contact with the inner sealing leg and the outer sealing leg, The spring comprises a spring and a sealing part, which includes an annular support ring arranged in an annular manner inside the spring. An assembly comprising the following. Embodiment 3 The spring includes an inner diameter and an outer diameter, and is a sealing part or assembly as described in Embodiment 1 or 2. Three-dimensional. Embodiment 4 The inner diameter of the spring is arranged adjacent to and in contact with the inner sealing leg portion of the jacket. The outer diameter of the spring is positioned adjacent to and in contact with the outer sealing leg portion of the jacket. The sealing part or assembly described in Embodiment 3. Embodiment 5 The support ring has a cross-sectional contour that is elliptical, oblong, or circular. A sealing part or assembly as described in any of the application forms 1 to 4. Embodiment 6 The sealing part according to any one of Embodiments 1 to 5, wherein the support ring is solid. Or an assembly. Embodiment 7 The sealing part according to any one of Embodiments 1 to 6, wherein the support ring is hollow. Or an assembly. Embodiment 8: The support ring is disposed adjacent to the outer diameter of the spring, as in Embodiments 3-7. A sealing part or assembly as described in any of the following. Embodiment 9 The support ring is positioned so that the center of the support ring is radially aligned with the center of the spring. The sealing portion according to any one of embodiments 1 to 8 is positioned in the axial direction so as to be positioned in the axial direction. Or an assembly. Embodiment 10 The support ring is in contact with the spring, as described in any of Embodiments 1 to 9. A sealed part or assembly. Embodiment 11 The outer surface of the support ring is in at least partial contact with the inner surface of the spring. The sealing part or assembly described in Embodiment 10. Embodiment 12 The support ring is detached from the spring, as in Embodiments 1 to 11. A sealing part or assembly described in one of the following. Embodiment 13 At least a portion of the curvature of the support ring is complementary to the curvature of the outer diameter of the spring A sealing part or assembly according to any of embodiments 1 to 12. Embodiment 14 The support ring is symmetrical, the sealing part or assembly described in Embodiment 13 . Embodiment 15 The support ring is asymmetrical, and the inner diameter of the support ring is convex, concave, or The sealing portion or assembly according to Embodiment 13, wherein the sealing portion or assembly has a substantially flat shape. Embodiment 16 The support ring is at least 1% of the total height (H) of the support ring, and Also 2%, at least 3%, at least 4%, at least 5%, at least 10%, less Both have a contact height (CH) of 15%, at least 20%, or at least 25%. , a sealing part or assembly according to any of embodiments 13 to 15. Embodiment 17 The support ring is 75% or less of the total height (H) of the support ring, 70% or less It is 65% or less, 60% or less, 55% or less, 50% or less, 40% or less, or 30% or less. A sealing portion or assembly according to embodiment 16, comprising a contact height (CH). Embodiment 18 The height (H) of the support ring is such that the center of the support ring is aligned with the center of the spring. A sealing part or assembly according to any of embodiments 1 to 17, configured to be joined together . Embodiment 19 The height (H) of the support ring is at least 25% of the diameter (D) of the spring. At least 30%, at least 35%, at least 40%, at least 45%, and at least The sealing according to Embodiment 18 is 50%, at least 55%, or at least 60%. A part or assembly. Embodiment 20 The height (H) of the support ring is 95% or less of the diameter (D) of the spring, or 90% The sealing portion described in Embodiment 19 is 85% or less, 80% or less, or 75% or less. It is an assembly. Embodiment 21 The width (D) of the support ring is when the spring is compressed radially inward. Embodiments 1 to 1 are configured to prevent contact between the support ring and the spring ID. A sealing part or assembly as described in any of item 20. Embodiment 22 The width (W) of the support ring is at least 10% of the diameter (D) of the spring. At least 15%, at least 20%, at least 25%, at least 30%, at least Embodiments where the percentage is 35%, at least 40%, at least 45%, or at least 50% The sealing part or assembly described in 21. Embodiment 23 The width (W) of the support ring is 75% or less of the diameter (D) of the spring, or 70% or less. As described in Embodiment 22, the percentages are 65% or less, 60% or less, 55% or less, or 50% or less. The sealing part or assembly. Embodiment 24 The support ring is located between the outer sealing leg portion of the jacket and the housing of the assembly. To maintain contact pressure between them, the outer diameter of the spring (OD) is directed towards the outer sealing leg of the jacket. A sealing part or assembly according to any one of embodiments 1 to 23, configured to bias ) Three-dimensional. Embodiment 25 The support ring is used when the assembly operates at cryogenic temperatures, and the housing of the assembly To maintain the seal between the spring and the shaft, the spring and outer sealing leg are positioned on the outer diameter of the spring. It is configured to control the thermal contraction or thermal size change of a part or a combination thereof. , a sealing part or assembly according to any of Embodiments 1 to 24. Embodiment 26 The jacket is made of PTFE, fluoropolymer, and perfluoropolymer. , TFM, PVF, PVDF, PCTFE, PFA, FEP, ETFE, ECTFE, P Polyaryl ketones such as CTFE, PEEK, PEK, or PEKK, PPS, P Polysulfones such as PSU, PPE, or PPO, and aromatic polysulfones such as PPA. Thermoplastic polyimides such as amide, PI, PEI, or TPI, or any of the above. Formed from a combination, and with or without reinforcing additives or fillers, implementation A sealing part or assembly as described in any of Forms 1 to 25. Embodiment 27 The spring is made of a nickel-chromium alloy such as Inconel®. Nickel-based alloys, cobalt-chromium-nickel-molybdenum alloys, beryllium-copper alloys Nickel, titanium, tungsten, stainless steel, spring steel, steel, aluminum, zinc, Embodiments 1-2 are formed from copper, magnesium, tin, platinum, lead, iron, or bronze. The sealing part or assembly described in any one of 6. Embodiment 28 The support ring is formed from a polymer material, as in Embodiments 1-27. A sealing part or assembly as described in any of the following. Embodiment 29 The polymer material is PTFE, fluoropolymer, perfluoropolymer -, TFM, PVF, PVDF, PCTFE, PFA, FEP, ETFE, ECTFE, PCTFE, PEEK, PEK, or PEKK are examples of polyaryl ketones, PPS, Polysulfones such as PPSU, PSU, PPE, or PPO, aromatic polysulfones such as PPA Thermoplastic polyimides such as riamid, PI, PEI, or TPI, or any of the same. Embodiments that include a combination of and with or without reinforcing additives or fillers. The sealing part or assembly described in 28. Embodiment 30 The support ring is formed from a metal material, as in Embodiments 1 to 27. The sealing part or assembly described in either of the above. Embodiment 31 The metal material is a nickel-chromium-based material such as Inconel®. Alloys, nickel-based alloys, cobalt-chromium-nickel-molybdenum alloys, beryllium-copper Alloys, nickel, titanium, tungsten, stainless steel, spring steel, steel, aluminum, albino The seal according to Embodiment 30, comprising lead, copper, magnesium, tin, platinum, lead, iron, or bronze. A fastening part or assembly. Embodiment 32 The inner diameter (ID) of the spring is at least 1 mm, at least 2 mm, less at least 3mm, at least 4mm, at least 5mm, at least 6mm, at least 7 mm, at least 8 mm, at least 9 mm, at least 10 mm, at least 25 mm , at least 50mm, at least 75mm, at least 100mm, at least 150 mm, at least 200 mm, at least 250 mm, at least 300 mm, at least 400mm, at least 500mm, or even larger, in any of Embodiments 1 to 31 The sealing part or assembly described above. Embodiment 33 The outer diameter (OD) of the spring is at least 1 mm, at least 2 mm, less at least 3mm, at least 4mm, at least 5mm, at least 6mm, at least 7 mm, at least 8 mm, at least 9 mm, at least 10 mm, at least 11 mm , at least 12mm, at least 13mm, at least 14mm, at least 15mm , at least 25mm, at least 50mm, at least 75mm, at least 100m m, at least 150mm, at least 200mm, at least 250mm, at 300mm, at least 500mm, at least 1000mm, or larger, in practice A sealing part or assembly as described in any of the conditions 1 to 32. Embodiment 34 Measurements taken at the outer sealing leg portion and the inner sealing leg portion of the jacket The difference in contact pressure of the specified sealing part is 500 MPa or less, 250 MPa or less, and 100 MPa. Below, 75MPa or less, 50MPa or less, 45MPa or less, 40MPa or less, 35MPa Below, 30MPa or less, 25MPa or less, 20MPa or less, 15MPa or less, 10MPa The following describes any of Embodiments 1 to 33, where the pressure is 5 MPa or less, or 0.5 MPa or less. The sealing part or assembly. Embodiment 35 The sealing portion is a single-stage or multi-stage launch vehicle, lunar or interplanetary refueling stay. Space applications including lunar or planetary landers, extraction equipment or processing equipment Among oil and gas applications, cryogenic alternative energy applications, industrial applications, and medical applications, The sealing part or assembly described in any one of Embodiments 1 to 34 is suitable for use individually. Three-dimensional.

[0025] This specification discloses embodiments including the best mode, and also presents the invention to those skilled in the art. Examples are used to enable the fabrication and use of the invention. The patentable scope is as follows: Other embodiments may be defined by the claims and may be conceived by those skilled in the art. Other embodiments have structural elements that are no different from the literal words of the claims. In cases where, or equivalent structural elements that do not substantially differ from the literal words of the claims If it includes an element, it is intended to be within the scope of the patent claims.

[0026] Not all of the activities described above are required in general descriptions or examples. Some of the activities may not be required, and in addition to the activities listed, one or more additional activities may be required. Please note that actions may be taken. Furthermore, the order in which the activities are listed does not necessarily mean that they are all the same. This is not the correct order.

[0027] The aforementioned specification has described the concept with reference to specific embodiments. However, Those skilled in the art will be able to make various claims without departing from the scope of the present invention as set forth below. I understand that various modifications and changes may be made. Therefore, the specifications and drawings are subject to change. It should be considered in an illustrative sense, not a definitive sense, and all such modifications should be considered. This is intended to be within the scope of the present invention.

[0028] As used herein, "comprises" and "comprising" "includes", "includes", "has", "ha The term "ving)" or any other variation thereof does not encompass non-exclusive inclusion. Intended. For example, a process, method, article, or apparatus that includes a list of features does not necessarily Not limited to those features, or any process that is not explicitly listed. This may include other features inherent to the method, article, or apparatus. Furthermore, unless there are conflicting statements, Furthermore, "or" refers to an inclusive "or," not an exclusive "or." For example... Condition A or B is satisfied by one of the following: that is, if A is true It exists (or is present) AND B is false (or is not present), A is false (if (or does not exist) AND B is true (or exists), OR both A and B are true It is (or exists).

[0029] Furthermore, the use of "one (a)" or "one (an)" is in accordance with the elements described herein and This is used to describe the parts. This is merely for convenience and to give a general indication of the scope of the invention. This is done to give flavor. This description is to be read as including one or at least one. It should be, and the singular also includes the plural unless it is clear that it does not mean otherwise. nothing.

[0030] The advantages, other advantages, and solutions to the problems have been described above with respect to specific embodiments. While providing benefits, advantages, solutions to problems, and any benefits, advantages, or solutions. Any feature that may make any or all of the claims essential and necessary It should not be interpreted as a characteristic or essential feature.

[0031] Those skilled in the art, after reading this specification, will realize that certain features may be described in separate implementations for clarity. This is described herein in the context of a state and is provided in combination in a single embodiment. It will be understood that this is possible. Conversely, for the sake of brevity, it is described in the context of a single embodiment. The various features provided can be offered individually or in any partial combination. Furthermore, A reference to a value within a box includes all values ​​within that range.

Claims

1. A sealing part, A jacket having a base, an inner sealing leg, and an outer sealing leg, Within the jacket, a spring is disposed between the inner sealing leg and the outer sealing leg, and in contact with the inner sealing leg and the outer sealing leg, wherein the spring is A spring comprising a solid annular support ring arranged annularly inside the spring, A sealing portion wherein the support ring has an elliptical cross-sectional profile, a C-ring cross-sectional profile, a substantially heptagonal cross-sectional profile with a convex outer edge, a substantially hexagonal cross-sectional profile, or a rhombic cross-sectional profile, the height (H) of the support ring is 80% or less of the diameter (D) of the spring, the width (W) of the support ring is 60% or less of the diameter (D) of the spring, and the support ring is in contact with the spring.

2. The sealing portion according to claim 1, wherein the support ring is disposed adjacent to the outer diameter of the spring.

3. The sealing portion according to claim 2, wherein the support ring is positioned axially such that the center of the support ring is radially aligned with the center of the spring.

4. The sealing portion according to claim 1, wherein the support ring has a plurality of contact points with the spring.

5. The sealing portion according to claim 1, wherein the support ring has a cross-sectional contour having an outer surface that protrudes outward.

6. The sealing portion according to claim 1, wherein the support ring has a cross-sectional contour having a flat outer surface.

7. The sealing portion according to claim 1, wherein the support ring has a cross-sectional contour having a concave outer surface.

8. The sealing portion according to claim 1, wherein the support ring has a symmetrical cross-sectional contour.

9. The sealing portion according to claim 1, wherein the support ring has an asymmetrical cross-sectional contour.

10. The sealing portion according to claim 1, wherein the height (H) of the support ring is configured to align the center of the support ring with the center of the spring.

11. The sealing portion according to claim 1, wherein the width (W) of the support ring is configured to prevent contact between the support ring and the inner diameter of the spring when the spring is compressed radially inward.

12. The sealing portion according to claim 1, wherein at least one of the jacket and the support ring is formed from a polyaryl ketone such as PTFE, fluoropolymer, perfluoropolymer, TFM, PVF, PVDF, PCTFE, PFA, FEP, ETFE, ECTFE, PEEK, PEK, or PEKK, a polysulfone such as PPS, PPSU, PSU, PPE, or PPO, an aromatic polyamide such as PPA, a thermoplastic polyimide such as PEI or TPI, or any combination thereof, and is accompanied by or without reinforcing additives or fillers.

13. The sealing part according to claim 1, wherein at least one of the spring and the support ring is formed from a nickel-chromium alloy such as Inconel®, a nickel alloy, a cobalt-chromium-nickel-molybdenum alloy, nickel, titanium, tungsten, stainless steel, spring steel, steel, aluminum, zinc, copper, magnesium, tin, platinum, lead, iron, or bronze.

14. The sealing portion according to claim 1, wherein the difference in contact pressure of the sealing portion measured at the outer sealing leg portion of the jacket and the inner sealing leg portion of the jacket is 500 MPa or less, 250 MPa or less, 100 MPa or less, 75 MPa or less, 50 MPa or less, 45 MPa or less, 40 MPa or less, 35 MPa or less, 30 MPa or less, 25 MPa or less, 20 MPa or less, 15 MPa or less, 10 MPa or less, 5 MPa or less, or 0.5 MPa or less when the sealing portion is compressed within the assembly.

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