WO2013153173A1 - Isolateur de vibrations et son procédé de fabrication - Google Patents

Isolateur de vibrations et son procédé de fabrication Download PDF

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Publication number
WO2013153173A1
WO2013153173A1 PCT/EP2013/057618 EP2013057618W WO2013153173A1 WO 2013153173 A1 WO2013153173 A1 WO 2013153173A1 EP 2013057618 W EP2013057618 W EP 2013057618W WO 2013153173 A1 WO2013153173 A1 WO 2013153173A1
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WO
WIPO (PCT)
Prior art keywords
vibration isolator
recesses
region
end piece
plastically deformed
Prior art date
Application number
PCT/EP2013/057618
Other languages
German (de)
English (en)
Inventor
Karl Sebert
Original Assignee
Sebert Schwingungstechnik Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sebert Schwingungstechnik Gmbh filed Critical Sebert Schwingungstechnik Gmbh
Publication of WO2013153173A1 publication Critical patent/WO2013153173A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs

Definitions

  • the invention relates to a vibration isolator with two end pieces, which are connected to one another via an elastic arrangement.
  • the invention further relates to a method for producing a vibration isolator. Vibration isolators are used for elastic attachment and / or vibration damping insulation of machines and various mechanical components.
  • the elastic arrangement comprises in advantageous embodiments a wire rope, short rope.
  • vibration isolators are therefore also referred to as wire rope vibration dampers or wire rope vibration isolators. They are used, for example, in shipbuilding, in transportation or in other industrial sectors in which vibration damping is desired.
  • a vibration isolator which has two, connected via a rigid elastic arrangement interconnected tails.
  • the end pieces in each case consist of two interconnected sections and the elastic arrangement therebetween firmly clamped sections, the respective first section having a tube extension extending through the second section and fixed thereto, and the elastic arrangement consisting of at least two cable sections whose respective end sections are radial to the tube extension axis between the sections of the end pieces and which are uniformly distributed around the common axis of the tube extensions around.
  • the tube extension is welded to the second portion and / or fixed rivet-like behind the second portion or provided with an external thread and screw fixed.
  • a vibration isolator comprising an elastic arrangement and two end pieces which are spaced apart from one another by the elastic arrangement in the direction of a longitudinal axis, the elastic arrangement comprising at least two elongated spring elements whose end regions are respectively fixed to the end pieces, the end pieces each have at least two recesses into each of which an end region of the at least two elongate spring elements can be inserted, and at least one of the end regions and / or at least one of the recesses for fixing the end region in the recess is plastically deformed.
  • a plastic deformation of at least one component to realize a non-positive and / or positive connection, wherein the components insoluble, that is not destructively releasably connected to each other, is referred to in connection with the application as forming, caulking, crimping or pressing.
  • forming, caulking, crimping or pressing By applying a deformation or deformation force, all construction parts or only one connection partner plastically deformed. Pressing the components allows a secure connection with a high tear resistance.
  • an elongate spring element an elongate, elastic element, for example an elastic metal band, a spring strand, a wire strand o. The like. Limited length referred to.
  • the elongate spring element is a wire rope or rope for short, which in addition to elastic properties also has good damping properties.
  • the properties of a spring element, in particular a wire rope are suitably selected depending on the application.
  • the elongate spring elements are identical in one embodiment, so that a uniform spring stiffness of the arrangement is realized.
  • at least one elongate spring element is designed differently from the other spring elements.
  • a spring element is different in terms of its length, its external dimensions, its material and / or, when designed as a wire rope, its stranding.
  • the elongated spring elements are the same design at least in terms of the material and the outer dimension.
  • the elastic arrangement comprises two elongated spring elements, in particular two rope pieces.
  • at least three longitudinal spring elements for example three, four, five or more cable pieces, are provided.
  • Each elongate spring element has at least two end regions.
  • the end region is further forked, for example in two end region sections.
  • the end region is not forked.
  • the end portion in one embodiment has an end cap, a ring, a sleeve or the like to prevent, for example, a roping of a wire rope.
  • the end region is formed as an extension without further components. A Aufdretteln is thereby prevented by inclusion in the associated recess of an end piece.
  • the elongate spring element or at least the end region of the elongate spring element is treated in one embodiment on its surface.
  • the end pieces are preferably made of a plastically deformable material having a sufficient strength, in particular of aluminum or of an aluminum alloy. Furthermore, embodiments of a plastically deformable plastic are conceivable.
  • the end pieces connected by means of the elastic arrangement are identical in one embodiment.
  • the end pieces are designed as rectangular plates or circular disks.
  • the end pieces differ in terms of a shape, in particular an outer dimension and / or an internal dimension, a material and / or a production.
  • the end pieces are the same design at least in terms of the material and the outer dimension.
  • the end pieces are mirror-symmetrical.
  • the end pieces have a holding hole extending in the direction of the longitudinal axis.
  • the retaining hole is a fixation of the vibration isolator on a structure to be damped possible.
  • the retaining hole is designed as a through hole or as a blind hole depending on the requirement.
  • the retaining hole has an internal thread.
  • the holding eyes of both end pieces are preferably arranged in alignment.
  • an outer dimension of an end region is at least partially or in sections larger than a corresponding inner dimension of the associated recess. In this way, a non-positive fixation on a press fit is further improved.
  • the Presspaste Solution can be realized by heat treatment of the end region or the corresponding recess.
  • the recesses provided in the two end pieces for two end regions of an elongated spring element are preferably arranged in a plane parallel to the longitudinal axis of the arrangement.
  • the end pieces each have at least two recesses for receiving the end regions of the elongated spring elements.
  • the end pieces more than two recesses, in which, depending on the design of the vibration isolator, a different number of spring elements can be inserted.
  • the recesses of an end piece extend in advantageous embodiments in a normal plane to the longitudinal axis.
  • it is provided that the recesses of the end pieces each extend radially to the longitudinal axis and are distributed uniformly about the longitudinal axis. As a result, a symmetrical power consumption is possible.
  • the shape of the end pieces is arbitrary and suitable for a use case selectable.
  • the end pieces are expediently circular or annular in an embodiment for optimizing a material requirement.
  • rectangular or polygonal end pieces are provided.
  • the recesses are designed as blind holes or, in particular in the case of an embodiment of the end piece with an inner contour, for example a retaining hole, as through-holes.
  • the shape of the recesses is adapted to the spring elements, wherein slot-like recesses are provided for receiving band-like spring elements in one embodiment.
  • the end piece is plastically deformed with the recorded elongated spring elements only in the region of the recesses, for example by punctiform or regional deformation.
  • At least one end piece is flat. chig plastically deformed on an inner and / or outer side.
  • Area deformation is defined as deformation in a continuous area without corners and edges.
  • the planar deformation preferably extends at least partially over the partial regions of the end pieces in which the at least two recesses are arranged. In one embodiment, the planar deformation extends over the entire surface of the inner and / or outer sides of the end pieces.
  • a planar deformation is achievable in advantageous embodiments by a deformation force which is applied by means of a stamp having a substantially planar bearing surface in the direction of the longitudinal axis on the outside of a first end piece. Between the two end pieces and on an outer side of the second end piece in each case a die is arranged, wherein the dies also have substantially flat bearing surfaces. The arranged between the end pieces die is also referred to as an intermediate piece. Stamps and dies are collectively referred to as Gesenk in connection with the application.
  • the Umform- force is in one embodiment by means of dies with flat bearing surfaces so applied that a uniform force distribution over the entire region of the inner and / or outer sides of the end pieces takes place.
  • At least one end piece in the region of the at least two recesses is plastically deformed to a varying extent, with a deformation decreasing in the direction of the edge region of the at least one end piece.
  • the dies in advantageous embodiments on the inner and / or outer sides facing, conical or convex curved bearing surfaces.
  • at least one end piece on the inside and / or the outside has at least one rotationally symmetrical, in particular circular or annular embossing, wherein the end piece is plastically deformed in the region of the embossing.
  • the embossing is designed in advantageous embodiments so that by means of the embossing a cross-sectional constriction of all recesses is realized in a single operation.
  • an embossing is applied by forming after the insertion of the end portion in the corresponding recess.
  • the surface of the embossment corresponds in one embodiment with a surface of the tail.
  • an area of the embossment is smaller than the outside and / or the inside of the tail, wherein an embossment surrounding edge on the outside and / or inside is created.
  • the embossing is executed in one embodiment as a ring embossing, for example by means of an annular die.
  • a diameter of the ring embossing is less than or equal to a diameter of the tail.
  • At least one outer dimension of the end regions and / or an inner dimension of the recess along a respective extension direction is designed to be variable in order to realize a variable cross section along the extension direction.
  • the end region is designed to be constant with respect to the outer dimension, for example approximately cylindrical, wherein the inner dimension of a corresponding recess along a direction of extension is designed to be varying.
  • Corresponding recesses can be produced in a simple manner, for example by drilling. The dimension varies in a direction of extension depending on the configuration continuously or suddenly.
  • an end region or a recess has shoulders, projections, recesses and / or projections.
  • the end region and / or the associated recess taper steadily.
  • the recess has a corrugation. A corrugation can be generated, for example, by cutting a thread into the recess.
  • a method for producing a vibration isolator in particular a vibration isolator according to the invention as described above, comprising an elastic assembly and two, spaced apart in the direction of a longitudinal axis of the vibration isolator, interconnected via the elastic arrangement end pieces, wherein the elastic Arrangement comprises at least two elongated spring elements whose end portions are each fixed to the end pieces, the end pieces each having at least two recesses, in each of which an end portion of the at least two elongated spring elements is inserted, and at least one of the end portions and / or at least one of the recesses for a fixation of the end portion is plastically deformed in the recess.
  • An introduction of the spring elements in the recesses takes place without tools in one embodiment.
  • the insertion takes place by means of suitable tools.
  • Joining takes place in one embodiment by means of heat treatment.
  • the end region is cooled and / or the recess is heated. In this way, the dimensions are changed so that the end portion can be inserted into the recess.
  • the end portion or recess for insertion is elastically deformed. After insertion then a provision is made so that a press fit is realized.
  • a plastic deformation for fixing the components after insertion takes place in an embodiment by means of pressing and / or forming. The respective end region is inserted into the recess and then fixed by means of a suitable method.
  • At least one end area is fixed in one step.
  • other end regions are fixed in subsequent operations by means of plastic deformation or in another manner, for example in a form-fitting and / or material-locking manner.
  • all end regions are fixed in one step by plastic deformation.
  • At least one die is arranged for plastic deformation of an end piece or both end pieces on an inner and / or an outer side of at least one end piece, wherein the end piece or both end pieces are plastically deformed by means of the die.
  • a plastic deformation of both end pieces takes place simultaneously in a forming process, wherein at least one suitable die is arranged between the end pieces. This arranged between the end pieces die is also referred to as an intermediate piece.
  • Yet another embodiment of the present invention provides that by means of the die a forming force on the inside or outside of the tail is applied flat, so that the tail in a continuous area, ie, without corners and edges, is plastically deformed.
  • at least one end piece is deformed such that the deformation force applied to the plastic deformation uniformly affects all recesses, so that a uniform cross-sectional constriction of all recesses and / or the corresponding end portions is realized in one operation.
  • a transformation mung force applied evenly distributed on the entire inside or outside of the tail, so that the tail as a whole is evenly plastically deformed.
  • At least one end piece in the region of the at least two recesses is plastically deformed with varying degrees of deformation, with a deformation decreasing in the direction of the edge region of the at least one end piece.
  • dies are used in one embodiment, which have the inner and / or outer sides facing, conical or convex curved bearing surfaces. The plastic deformation with a die, which has a convexly curved bearing surface, creates inner or outer sides with a concave curvature.
  • the plastic deformation is carried out as ring stamp embossing or circular stamp embossing by means of a ring punch or a circular punch in order to realize a rotationally symmetrical embossing.
  • the rotationally symmetric embossing allows a simultaneous deformation of a plurality of recesses of an end piece, which each extend radially to the longitudinal axis and are distributed uniformly about the longitudinal axis.
  • the ring or circular punch has, depending on the requirement, a flat, a convex or a conical bearing surface in order to achieve a uniform or a varying deformation.
  • a diameter of the circular embossment is smaller in one embodiment than an outer dimension of the associated end piece, so that an edge surrounding the embossment is created.
  • At least one outer dimension of the end regions and / or an inner dimension of the outer is made to vary along a respective extension direction to realize a variable cross section along the extension direction.
  • an end region is designed to be tapered, wave-shaped, shouldered or projecting and / or provided with recesses. Forming occurs in one embodiment prior to insertion. For this purpose, a thread is incorporated in at least one recess in one embodiment. In another embodiment, the forming occurs during and / or after insertion.
  • FIG. 2a - 2c schematically in three different views, a second
  • Fig. 3a - 3c schematically in three different views, a third
  • FIG. 4a - 4c schematically in three different views a fourth
  • Embodiment of a vibration isolator Embodiment of a vibration isolator.
  • FIGS. 1 a, 2 a, 3 a and 4 a each show a side view of the vibration isolator 10 according to a first, a second, a third and a fourth embodiment, respectively.
  • FIGS. 1 b, 2 b, 3 b and 4 b each show a sectional side view of the embodiment of the vibration isolator 10 according to a sectional plane A of FIGS. 1 a, 2 a, 3 a and 4 a, respectively
  • FIGS. 1 c, 2 c, 3 c and 4 c each show one perspective view of the vibration isolator 10 according to Figures 1 a, 2a, 3a and 4a.
  • the illustrated vibration isolators 10 each have a first end piece 21 and a second end piece 22, which are connected to one another via an elastic arrangement 30.
  • the elastic assemblies 30 each comprise a plurality of elongate spring members, in the illustrated embodiments four elongate spring members, namely a first elongate spring member 31, a second elongated spring member 32, a third elongate spring member 33, and a fourth elongate spring member 34.
  • the elongated spring members 31, 34 also referred to as spring elements 31, 34 for short.
  • the spring elements are preferably cable parts of a wire rope.
  • Each spring element 31,..., 34 comprises two end regions 41, 42, a first end region 41 and a second end region 42, which are visible in the sectional representations in FIGS. 1b, 2b, 3b and 4b.
  • each end piece 21, 22 has a recess 50 for each end region 41, 42.
  • the first end piece 21 and the second end piece 22 each have four recesses 50, with two recesses 50 are visible in the sectional views in Figures 1 b, 2b, 3b and 4b.
  • the end regions 41, 42 of the spring elements 31, 32, 33, 34 are inserted into the recesses 50 and fixed in the recesses 50 each by plastic deformation.
  • each end piece 21, 22 are each circular disk-shaped as individual parts. Accordingly, each end piece has an inner side 23 and outer side 24 and a lateral surface 25.
  • the inside and outside 23, 24 of the end pieces 21, 22 will be two sides of the end pieces 21, 22 which are spaced apart in the direction of a longitudinal axis L, of which one side facing the other end piece is the inside 23 and an outward facing side is referred to as the outside 24.
  • each end piece 21, 22 has a circular cylindrical passage opening, which is referred to as a holding hole 26.
  • the retaining holes 26 are formed concentrically to the longitudinal axis L.
  • the retaining holes 26 are arranged in alignment with each other.
  • the recesses 50 are aligned radially outward, that is perpendicular to the longitudinal axis L.
  • the respective end portions 41, 42 are inserted into the recesses 50, so that the elongated spring elements 31, 34 handle-like of the lateral surfaces 25 abragend the two end pieces 21, 22 connect.
  • the above-described basic structure of the vibration isolator 10 is the same for all embodiments. The differences are described in more detail below. For identical or similar components or features, like reference numerals are used. A detailed description of already described features is omitted for reasons of clarity.
  • FIG. 1 a to 1 c show schematically in three different views - a front view, a cross-sectional view and a perspective view - a first embodiment of a vibration isolator 10.
  • the vibration isolator 10 has four spring elements 31, ..., 34, the symmetrically distributed, that is approximately offset by 90 °, to the respective Weil end pieces 21, 22 are arranged.
  • a section line AA is located in the front view of FIG. 1 a.
  • the associated sectional image is shown in the cross-sectional view of FIG. 1 b. It can clearly be seen in the cross-sectional view that the end regions 41, 42 are fixed in the recesses 50 without further connecting means.
  • the recesses 50 are formed in the illustrated first embodiment as cylindrical recesses in the manner of a blind bore.
  • the recesses 50 penetrate the end piece 20, 21 and extend to the retaining hole 26.
  • the end portions 41, 42 are also formed circular cylindrical.
  • the size of the recesses 50 is chosen so that insertion of the end portions 41, 42 under play is possible.
  • the end pieces 21, 22 and thus the recesses 50 and the end portions received in the recesses 50 are plastically deformed.
  • the end region 41, 42 accommodated in the respective recesses 50 has a smaller outer diameter than the remaining spring element 31,.
  • the end pieces 21, 22 are deformed as a whole, a forming force being applied uniformly to the inner and outer sides 23, 24 by means of dies (not shown) with flat bearing surfaces.
  • the inner and outer sides 23, 24 are after forming plan and usable as contact surfaces for structures to be damped.
  • dies are used with convex or conical bearing surfaces.
  • a conical tip of a die with a conical bearing surface is preferably arranged so that it comes to lie in the region of the retaining hole 26 and thus a planar deformation of the end pieces without edges and corners is realized.
  • FIGS. 2a to 2c show schematically in three different views - a front view, a cross-sectional view and a perspective view - a second embodiment of a vibration isolator 10th
  • the recesses 50 are not circular-cylindrical, but have an inner circular-cylindrical section 50 a and an outer conical section 50 b.
  • the conical opening facilitates insertion of the spring elements 31, 34, which in the illustrated embodiment have circular-cylindrical end regions 41, 42.
  • the end regions 41, 42 are adapted to the shape of the recesses 50.
  • a notch effect in the entry region of the spring elements 31,..., 34 is prevented.
  • the recesses 50 in the region of their outlet or inlet opening to the lateral surface 25 on a chamfer or a paragraph.
  • an introduction of the end regions 41, 42 is also simplified and a notch effect after forming reduced.
  • 3a to 3c show schematically in three different views - a front view, a cross-sectional view and a perspective view - a third embodiment of a vibration isolator 10.
  • the recesses 50 are circular-cylindrical as shown in FIG.
  • at least partially tapered recesses 50 are provided.
  • a circular embossment. 6 applied.
  • a diameter of the embossment 6 is chosen smaller than a diameter of the end pieces 21, 22, so that a raised, annular edge 60 is formed on the end pieces, which delimits the circular, recessed embossing 6.
  • the end regions 41, 42 are inserted into the recesses 50. Subsequently, a forming force is applied to the inner and outer sides 23, 24 by means of dies, not shown. As a result, both the end pieces 21, 22 and the recesses 50 are deformed with the end regions 41, 42 inserted therein, and a positive and non-positive fixation between the end regions 41, 42 and the recesses 50 is realized.
  • a deformation takes place by means of dies with flat bearing surfaces, so that the embossing 6 has a planar surface.
  • dies are used with convex or conical bearing surfaces.
  • FIG. 4a to 4c show schematically in three different views - a front view, a cross-sectional view and a perspective view - a fourth embodiment of a vibration isolator 10th
  • a circular-shaped embossment 7 is applied by means of a suitable, not shown, hollow cylindrical annular die.
  • a diameter of the embossment 7 is smaller than a diameter of the end pieces 21, 22 selected in the illustrated embodiment, so that on the inner and outer sides 23, 24 of the end pieces 21, 22 an annular, groove-like embossment 7 is created.
  • the recesses 50 are deformed with the end regions 41, 42 inserted therein, and a secure connection between the end regions 41, 42 and the recesses 50 is realized.
  • a common fixation of all end portions 41, 42 in the recesses 50 of both end pieces 21, 22 in one step is possible. This allows a particularly cost-effective production.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

La présente invention concerne un isolateur de vibrations (10) comprenant un agencement élastique (30) et deux pièces d'extrémité (21, 22), éloignées l'une de l'autre dans la direction d'un axe longitudinal (L) de l'isolateur de vibrations (10) reliées l'une à l'autre via l'agencement élastique (30). L'agencement élastique (30) est constitué par au moins deux éléments de ressorts longitudinaux (31, 32, 33, 34), dont les zones d'extrémité (41, 42) sont fixées chacune sur les pièces d'extrémité (21, 22), les pièces d'extrémité (21, 22) présentant chacune au moins deux évidements (50), dans lesquels une zone d'extrémité (41, 42) respective des au moins deux éléments de ressorts longitudinaux (31, 32, 33, 34) peut être insérée et au moins une des zones d'extrémité (41, 42) et/ou au moins un évidement (50) est déformé plastiquement pour une fixation de la zone d'extrémité (41, 42) dans l'évidement (50). L'invention concerne en outre un procédé de fabrication d'un isolateur de vibrations (10).
PCT/EP2013/057618 2012-04-12 2013-04-11 Isolateur de vibrations et son procédé de fabrication WO2013153173A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210206015 DE102012206015B4 (de) 2012-04-12 2012-04-12 Schwingungsisolator und Verfahren zu dessen Herstellung
DE102012206015.4 2012-04-12

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WO2013153173A1 true WO2013153173A1 (fr) 2013-10-17

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US10570984B1 (en) 2017-06-28 2020-02-25 United Launch Alliance, L.L.C. Asymmetrically-shaped isolator

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DE102015213750A1 (de) * 2015-07-21 2017-01-26 Sebert Schwingungstechnik Gmbh Dämpfungsanordnung
DE102017203516A1 (de) 2017-03-03 2018-09-06 Thyssenkrupp Ag Außenintegrierte Reformer-Steuereinheit für ein Unterseeboot

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DE102010054481A1 (de) * 2010-12-14 2012-06-14 Sebert Schwingungstechnik Gmbh Dämpfungsanordnung
EP2511562A1 (fr) * 2011-04-12 2012-10-17 Willbrandt KG Elément d'isolation, notamment pour l'isolation contre les chocs, les vibrations et/ou les bruits d'un corps

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WO1983003647A1 (fr) * 1982-04-19 1983-10-27 Regnor Pederson Element utilise dans la construction d'assemblages a ressort amortisseurs de vibrations
SU1442744A1 (ru) * 1986-12-03 1988-12-07 Ю. П. Бусаров, В. Б. .Черкунов, И. Г. Резников и С. С. Соловьев Амортизатор
EP0499518A1 (fr) * 1991-02-11 1992-08-19 Aeroflex International Inc. Isolateur avec réponse symétrique à forces de choc et de vibration améliorée
EP1122458A1 (fr) * 2000-02-02 2001-08-08 Enidine Incorporated Amortisseur de vibrations à cable métallique avec barre à chevilles et son procédé de fabrication
EP1132646A2 (fr) 2000-02-02 2001-09-12 Enidine Incorporated Amortisseur de vibrations à câble métallique et sa méthode de fabrication par emploi de presse légère
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JP2004169533A (ja) * 2002-11-20 2004-06-17 Sadao Sakaiya 免震支承装置
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Publication number Priority date Publication date Assignee Title
US10570984B1 (en) 2017-06-28 2020-02-25 United Launch Alliance, L.L.C. Asymmetrically-shaped isolator
US11073192B1 (en) 2017-06-28 2021-07-27 United Launch Alliance, L.L.C. Asymmetrically-shaped isolator
US11686368B1 (en) 2017-06-28 2023-06-27 United Launch Alliance, L.L.C. Asymmetrically-shaped isolator

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DE102012206015A1 (de) 2013-10-17

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