EP2819757B1 - Heat-conducting element for clima-controlled ski jump run-in tracks and clima-controlled ski jump run-in track system - Google Patents

Description

The invention relates to a heat-conducting element for use in air-conditioned ski-jump start-up tracks and an air-conditioned ski-jump start-up track system using such a heat-conducting element.

Such air-conditioned ski jump inrun track systems have a run-up track channel extending along a run-up track channel extension direction and a defined track width perpendicular to the run-up track channel extension direction. In the starting track channel of the air-conditioned ski-jump inrun track, an air-conditioning device for cooling and / or heating of the inrun track channel extends.

From the DE 10 2007 060755 A1 is such a run-track system is known in which further in the run-up tracks a substantially constructed of a polymer material heat conducting element is mounted in the form of a sliding plate. For this purpose, the heat-conducting element has mounting means for fixing the heat-conducting element in the run-up track of the air-conditioned ski-jump inrun track and a heat coupling area for thermal coupling of the heat-conducting element with a defined thermal conductivity to the air-conditioning device in the inrun track. The heat-conducting element itself is made of plastic and often a thermal paste is used to improve the thermal coupling between the sliding plate and the air conditioning device.

When the systems are frozen with the known sliding plates for winter operation, water is allowed to flow over the slide plates and cools them from below with the thermally coupled air conditioning device such that the water running over the slide plate freezes.

This process requires significant amounts of water and energy, which is not inconsiderable for the operation of sports facilities.

For this reason, it is advantageous to form the heat conducting element designed as a sliding plate made of a material with good heat conduction. From the DE 30 03 069 A1 An air-conditioned ski track for skiing and ski jumping is known. The heat-conducting element used in this ski track is preferably designed in the form of a flat sliding plate made of aluminum. The sliding plate is therefore designed such that the thermal conductivity of the thermal coupling region for thermal coupling to the air conditioning device more than 10 W / m ° K, preferably more than 50 W / m ° K and more preferably more than 100 W / m ° K. A thermal conductivity of more than 10 W / m ° K have all metals and metal alloys. Of the classical non-metals, graphite would be a suitable material. Usually, however, the heat-conducting element will be constructed of metallic materials. The highest thermal conductivity at comparatively manageable material and manufacturing costs offers aluminum. The heat-conducting elements can be manufactured particularly economically as one-piece aluminum castings. The scope of protection, however, also encompasses embodiments in which the heat-conducting element is formed in several pieces. It is conceivable that individual components of the heat-conducting element have a thermal conductivity of less than 10 W / m ° K. It is decisive whether the heat coupling region of the heat conducting element responsible for the heat transfer from the air conditioning device to the heat conducting element has a heat conduction in the claimed parameter range.

On top of the sliding plate from the DE 30 03 069 A1 is a friction layer, for example made of quartz sand, arranged. This friction layer should serve the purpose that the ice, which is frozen on the slide plate, does not detach and slips down on a jump.

It has been shown that, despite the good thermal properties of the known aluminum sliding plates, the mechanical anchoring of the ice in the track is not optimally ensured.

The present invention is therefore based on the object to provide a heat conduction plate, which allows for a similarly good thermal properties a secure and robust anchoring of the ice in the ski jump inrun track.

This object is achieved by a heat conducting plate with the features of claim 1.

According to the invention, the heat coupling region of the heat-conducting element merges thermally coupled into at least one start-track coupling region, which is arranged perpendicular to the run-up track extension direction spaced from the heat coupling region, wherein the heat coupling region and the run-track coupling region are formed substantially flat and are arranged offset from one another that these lie in different levels. By virtue of this structure, the heat coupling region and the at least one start-track coupling region form a surface which inevitably has one or more edges, steps and / or depressions. Due to the high thermal conductivity of the heat-conducting element, ice forms during growth in these areas. Thus, it is firmly anchored in these edges, steps and / or depressions. Even with heavy mechanical stress, for example, by the use of ice cutters breaking out and detachment of ice does not occur. In addition, it is ensured that the flow of thermal energy between the heat coupling region of the heat-conducting element and the spaced start-up coupling region is effected by the thermal coupling of the regions. By thermal coupling is meant that a heat conduction transition is ensured, which does not rely solely on radiant heat and / or on a macroscopic material flow. This is preferably ensured by a one-piece construction of the heat-conducting element made of a material with sufficient heat conduction. The feature of the planar configuration of the heat coupling region and the starting track coupling regions is to be understood as meaning a multiplicity of geometries. The surfaces can be formed repeatedly curved or periodically structured. The heat coupling region is formed with one of its surfaces in such a way that it is possible to produce a tight-fitting, ideally form-fitting, mechanical contact with the components of the air-conditioning device in which an air-conditioning medium is guided. The heat coupling region is defined by the region of the surface of the heat conducting element, in which the mechanical contact can be made with said components of the air conditioning device. The remaining sections of the heat-conducting element which are thermally coupled to the heat coupling region are run-up coupling regions.

Two of the run-track coupling regions are preferably designed as run-up track flanks, the run-up track flanks, viewed in the run-up track channel extension direction, respectively forming outer edges of the heat-conducting element that extend in the run-up track extension direction. These run-up track flanks, depending on the structural conditions of the run-up track, have different geometry. Preferably, the outer edges are spaced apart from each other at the spacing of the track width. As a result, the heat-conducting element extends transversely to the run-up track channel extension direction over the entire track width of the run-up track channel. Furthermore, the area-shaped run-up track flanks together with the areal heat coupling area form a depression in the heat-conducting element in the form of a shell or half shell.

It is advantageous that a further start-track coupling region in the form of a transverse section is arranged between the two start-up track flanks. This transverse section is also offset from the heat coupling region in another plane spaced from the heat coupling region, but thermally coupled to the heat coupling region. For the interpretation of the feature of the thermal coupling, reference is made to the statements made above in order to avoid repetition.

The transverse section preferably extends between the two starting track flanks. In a preferred embodiment, the transverse section occupies the entire track width of the run-up track channel. As a result, the transverse section, together with the run-up track flanks, forms the areas which are spatially closest to the sliding surface of the run-in track.

Advantageously, the outer edges each form a vertically curved in the direction of the run-up track channel extension direction and away from the heat coupling region edge region. These edge regions are also thermally coupled to the heat conducting element and preferably formed integrally therewith. As a result, cooling of the inrun track over its entire track width including the approaches of the inrun track laterally limiting flanks is ensured.

It is particularly advantageous if the heat-conducting element has a plurality of sliding-knob fixing means for mounting a plurality of summer-track sliding nubs on the heat-conducting element. As a result, summer and winter operation can be realized in one and the same inrun track (track-in-track setup). The sliding knob fixing means allow the preferably releasable attachment of summer track sliding nubs, which are constructed in particular of ceramic material, on the heat conducting element. In summer mode, the heat-conducting element thus serves as a carrier for the summer-track sliding nubs, which can preferably be fixed on the inrun track coupling regions formed as a transverse section and / or as a run-up track flanks. In this preferred embodiment, the heat-conducting element forms a sliding plate in the sense of the German patent application filed by the same applicant and inventor on 12.08.2011 DE 10 2011 052662 , This patent application claims a special storage of Gleitnoppen in the sliding plate / heat conduction.

The sliding knob fixing means are formed according to this earlier application as Gleitnoppen recordings having arranged in the Wärmeleitelement Gleitnoppenöffnungen, the Gleitnoppenöffnungen through the Pass through the heat conduction therethrough. Furthermore, spring means are provided, which are designed such that they exert a restoring force on a relative movement between the sliding nubs and the plate-shaped element.

Preferably, the spring means are arranged between Gleitnoppenfederungsabschnitten the Gleitnoppen and Plattenfederungsabschnitten the plate-shaped element.

This arrangement of the suspension means, it is possible to provide a sufficient suspension functionality and at the same time to realize the highest possible design freedom for the integration of other functionalities. Finally, the elastic deformation of the spring means takes place in the region between the sliding nub and the plate-shaped element. In this case, the relative movement to the spring means mechanically further giving sections of Gleitnoppe are referred to as Gleitnoppenfederungsabschnitte. By the spring means, the deformation force is absorbed at the plate suspension portions of the formed as a heat conducting element plate-shaped element. For the spatial arrangement of these suspension sections and the suspension means, there are different variants, which are discussed in more detail below.

A particularly space-saving preferred construction is that the plate-spring portions are formed within the Gleitnoppenöffnungen and / or adjacent to the Gleitnoppenöffnungen in the surface contour of Gleitnoppenaufnahmen. As a result, in particular the space below the Gleitnoppen remain free.

For the foregoing construction, it is further advantageous that the plate spring portions extend transversely to the slide stud openings. Usually, the sliding stud openings extend in the plate-shaped element along an extension axis. With the feature transverse to the Gleitnoppenöffnungen is then according to transverse to the extension axis of the Meant sliding nip opening. A special case of this arrangement of plate spring portions is that they extend at right angles to the sliding knob opening. However, the feature transverse is not construed to be limited to rectangular.

For the above-described construction of the sliding plate, it is furthermore advantageous that the plate suspension sections enclose the slide button openings on the upper side of the plate-shaped element and / or on the underside of the plate-shaped element opposite the upper side. Due to the enclosing arrangement results in a uniform recording and initiation of the force acting on the Gleitnoppe force in the plate-shaped element.

Regardless of the construction described above, it is advantageous that the sliding nubs have releasable fastening means by means of which the sliding nubs are fixed in the sliding nub openings. In this way, damaged or worn Gleitnoppen easier to replace.

In the variant to form the sliding nubs with releasable fastening means, it is advantageous that the spring means extend in areas between the fastening means and the plate-shaped element. The Gleitnoppenfederungsabschnitte are in this preferred embodiment usually on the fastening means forming part of the Gleitnoppe.

It is advantageous if the Gleitnoppenfederungsabschnitte extend transversely to the Gleitnoppenöffnungen. This arrangement of Gleitnoppenfederungsabschnitte usually implies the corresponding transverse arrangement of the corresponding plate suspension sections.

The suspension means preferably comprise a polymer element in the form of a polymer adhesive, a polymer O-ring or a polymer piece. An adhesive has the advantage of flowing into the existing geometry and also To be able to absorb tensile stresses. O-rings are inexpensive and easily available with the desired elasticity properties. A polymer piece, for example in the form of a small wedge or block, represents a simple variant for the formation of the spring means. As further variants, metallic spring elements or natural materials would also be conceivable. All variants have in common that the desired elasticity and long-term stability properties should be ensured over a fairly broad temperature range of -40 ° C to + 60 ° C. Corresponding polymers and polymer adhesives are readily available on the market.

For all of the variants of the sliding plate described above, it is preferred that the sliding studs at least on its surface made of natural stone (here offer very hard natural stone such as granites and basalts because of the abrasion resistance) or ceramic, preferably made of porcelain or an oxide ceramic are. Ceramics, especially porcelain, can be produced economically with tolerances just under one millimeter. A particularly advantageous variant consists of producing the sliding knobs made of aluminum oxide without surface glaze. This material absorbs water to a certain extent and makes it available on its surface. Since the Gleitnoppen are usually washed over in jumping with a water film, this property contributes to even better sliding properties. Basically, all material-technical advantages of this material with regard to its durable weathering and abrasion resistance in the sliding plate can be realized by the use of ceramics.

The above-described variants of Gleitnoppen-storage in the formed as a heat conducting plate sliding plate are from the standpoint of quiet operation of the summer track of importance. So far, mainly sliding plates made of polymers have been used, because on the one hand allow easy fixation of summer track Gleitnoppen and on the other hand have vibration-damping and thus noise-reducing properties. When the heat-conducting element in the form of a sliding plate is made of a metallic material, so in the area of Gleitnoppen-fixatives by the spring means to take precautions to reduce the noise when used as a summer track.

For all previously described embodiments of the heat-conducting element, it is advantageous that the heat-conducting element has a depression with a depression bottom surface, the heat coupling region forming the depression bottom surface at least in sections. This depression fulfills a number of functions. On the one hand, it ensures that snow, which falls into the inrun channel, stays better on the track and does not slip off so easily. This is especially true when a plurality of heat-conducting elements is mounted one behind the other in the run-up track channel. Then there are also a plurality of depressions which together provide the said functionality. On the other hand, the depressions serve as a catch basin when icing the track with water, which is given in the run-up track. In the already mentioned serial combination of heat-conducting elements along the run-up track extension direction, this has the effect of initially filling the first depression in the run-up track before it overflows and the next depression following the slope of the run-up track starts filling. In this way, on the one hand with a skillful adjustment of water supply and cooling capacity, the water consumption during icing can be minimized and, on the other hand, the resulting ice layer anchors in the depressions along the run-up track extension direction.

With regard to the preferred embodiment with a recess, it is furthermore advantageous for the heat-conducting element if the depression forms a first boundary edge with a first boundary edge height on a first side of the depression in the run-up track extension direction and on a second side opposite the first side the recess has a second boundary edge with a smaller compared to the first boundary edge height second boundary edge height. Alternatively, it should be provided that the Recess is formed on a first side opposite the second side of the recess without a first side opposite the second boundary edge. Both variants form a depression that is easier to fill from one side. This applies in particular when the heat-conducting elements are spaced apart from one another by intermediate spaces (that is, they are not lined up one behind the other) in the run-up track channel. In this installation variant, the air conditioning device located below the heat-conducting element is exposed in the intermediate spaces. In the interstices, water coming into contact with the air-conditioning device would freeze suddenly and thus start the icing of the run-up track. Downstream of the slope, a heat conducting element would follow with a depression which, when viewed upwardly, has either no or a lower boundary edge height than viewed down the slope.

The depression of the heat-conducting element can be formed advantageously if the first boundary edge is formed by a transition from the depression bottom surface into the run-track coupling regions. The second boundary edge surface is then - as described above - either lower or not formed. The transition from the recess bottom surface into the run-track coupling regions is preferably formed stepwise.

A further variant which is advantageous for all the previously described designs is that the heat-conducting element has an extension, viewed in the run-up track channel extension direction, which is smaller than the track width. With this limited extension in the run-up track passage direction, a plurality of heat conduction members are required to equip a run-up track passage therewith. As a result, a plurality of depressions occurs at a shorter distance in a row of the embodiments of the heat-conducting element described above, or a large number of intermediate spaces ensue between adjacent heat-conducting elements. In this way, a particularly well-anchored ice layer in the run-up track can be realized after icing.

A variant which is similarly advantageous to the previously described variant consists in that the heat coupling region, viewed along the run-up track channel extension direction, has an extension which is smaller than the track width.

The present invention further relates to an air-conditioned ski-jump start-up track system having two run-up track channels extending along a run-in track extension direction, each having a track width and in each of which an air conditioning device is arranged for heating and / or cooling the runway track, wherein in each run-up track a plurality is arranged by Wärmeleitelementen according to the variants described above.

When viewed along the run-up track channel extension direction, the heat-conducting elements are preferably fixed at a distance from one another in the run-up track channels such that gaps between adjacent heat-conducting elements remain in which the air-conditioning device is exposed. The functional advantage of the spaces has already been described above. In order to avoid repetition, reference is made to the statements there.

As an advantageous variant, the air-conditioned ski-jump start-up track system is characterized in that at least two heat-conducting elements spaced apart from one another are arranged along the run-up track channel extension direction over a length corresponding to the track width. This dimensioning of the heat-conducting elements and their distance from one another ensure optimum anchoring of the ice in the run-up track channel.

The heat-conducting elements are preferably of identical design and are periodically spaced equidistantly along the run-up track passage direction fixed to each other in the inrun track channels. By standardizing the components and their periodic arrangement, the components can be made simpler and thus cheaper.

It is advantageous if the heat coupling regions of the heat conducting elements are formed in such a way that a positive connection of the heat coupling regions with heat coupling sections of the air conditioning device is formed. The characteristic of the positive connection is not to be interpreted in a microscopic sense. Even if gaps in the millimeter range should occur due to dimensional tolerances and different thermal expansion coefficients, a sufficient heat transfer is usually still given via the convection that occurs. Furthermore, there is the possibility to use heat transfer pastes or gel, which are arranged between the modules of the air conditioning device and the heat conducting element to optimize the heat transfer.

It goes without saying that the air-conditioned ski-jump start-up track system can be configured with sensor devices for metrological detection of the jump characteristic of a skijumper.

Hereinafter, a preferred embodiment of the invention with reference to the FIGS. 1 to 3 described.

Figur 1

eine perspektivische Ansicht eines Anlaufspurkanals 2 in einem Skisprung-Anlaufspursystem mit einer Mehrzahl erfindungsgemäßer Wärmeleitelemente 1;

Figur 2

einen Querschnitt entlang der Linie II-II aus Figur 1 und

Figur 3

eine weitere perspektivische Ansicht des Anlaufspurkanals 2 des Skisprung-Anlaufspursystems aus Figur 1.

It shows:

FIG. 1

a perspective view of a run-up track 2 in a ski jump start-up track system with a plurality of inventive heat-conducting elements 1;

FIG. 2

a cross section along the line II-II FIG. 1 and

FIG. 3

another perspective view of the run-up track 2 of the ski jump start track system FIG. 1 ,

FIG. 1 FIG. 2 shows a perspective view of a run-up track 2 in a ski-jump start-up track system with a plurality of heat-conducting elements 1 according to the invention. The run-up track 2 is bounded laterally by two upper run-up track edge profiles 8 extending along a run-up track passage direction E spaced apart from each other in the track width B. These upper run-up channel edge profiles 8 rest on lower run-up track edge profiles 7, which extend according to the upper profiles and are also spaced apart in track width B. So bottom of the run-track channel 2 is a thermal insulation layer 5 is disposed between the two lower run-track channel edge profiles 7, which extends across the entire track width B and also along the run-up track extension direction E. On this thermal insulation layer 5 air conditioning devices 3 are arranged in the form of six tubes. These tubes 3 also extend along the run-track channel extension direction E. A multiplicity of identically designed heat-conducting elements 1 are arranged equidistant from one another along the run-up track channel extension direction E and fixed to the run-up track edge profiles via mounting means 10 for fixing the heat-conducting elements. Summer heat slide nubs 6 can be fastened to the heat-conducting elements 1. Therefore, this ski-jump start-up track system is a combination track that enables summer operation with winter operation in the same lane (lane-in-lane).

The heat-conducting element 1 has on its underside facing the tubes 3 a heat coupling region 11. This heat coupling region 11 is designed in such a way that it is possible to produce a connection which is as positive as possible between the heat coupling region 11 and the tubes 3. Therefore, the heat coupling region 11 has an inverse planar structure compared to the surfaces of the tubes 3, which meshes with the upwardly facing portions of the tubes 3 in a comb-like manner. The tubes 3 facing away from the surface of the heat coupling region 11 forms a recess bottom surface 130 of a not limited to one side recess 13 of the heat conducting element 1. On the other side is the Recess bottom surface 130 bounded by an upwardly extending first edge region 131 such that the recess 13 is formed in a half-shell shape. In connection with FIG. 2 the geometry of the recess 13 will be described in more detail below.

FIG. 2 shows a cross section along the line II-II FIG. 1 , Identical components are provided with the same reference numerals. To avoid repetition, reference is therefore made to the preceding statements. The two lower run-track channel edge profiles 7 each have an inwardly cantilevered mounting receptacle 70 with a groove. In this groove, a corresponding projection of the heat-conducting element 1 engages in the region of both outer edges of the starting track flanks 1120, 1130 of the heat-conducting element 1. The recess 13 of the heat-conducting element 1 merges laterally over run-up track flanks 112, 113 into the outer edges of the run-up track flanks 1120, 1130. Viewed along the run-up track channel extension direction E, the recess 13 transitions stepwise over the first edge region 131 into a transverse region 111 which extends between the two outer edges of the run-up track flanks 1120, 1130. The outer edges of the starting track flanks 1120, 1130 each terminate outwardly in high-arched edge regions 1121, 1131. In the transverse region 111 fixing means 12 for fixing the summer track slide nubs 6 in the form of depressions are formed with a plurality of bores for passing a screw or a bolt. The summer track slide nubs 6 have a threaded sleeve 60 in their interior. Between the summer track sliding nubs 6 and acting as a sliding plate heat conducting element 1 spring means 61 are still provided. These suspension means 61 ensure, within certain limits, an elastic mobility between summer track sliding nubs 6 and the heat conducting element 1. These limits depend on the structure and material functionality of the spring means 61.

FIG. 3 shows a further perspective view of the run-track channel 2 of the ski-jump starting track system FIG. 1 , Identical components are provided with the same reference numerals. To avoid repetition, reference is therefore made to the preceding statements. In this perspective are gaps 4 can be seen, which remain free between the along the run-up channel extension direction E equidistant from each other mounted heat conducting elements 1. In these intermediate areas 4, the air-conditioning devices in the form of the tubes 3 are open to the run-up track channel 2. As a result, the forming ice can anchor mechanically optimally in the structures during icing of the run-up track 2 and the thermal coupling is simultaneously improved. Furthermore, it can be seen how the transverse region 111 of each heat-conducting element has the fixing means 12 for the assembly of summer track sliding nubs in the form of six recesses distributed over the starting track width B. If the heat-conducting elements 1 - as shown here - are equipped with summer track sliding nubs 6, the starting track channel 2 can be used as a so-called combined track both in summer and in winter operation.

Finally, it should be emphasized that only one of many variants for the design of the heat-conducting element is shown in the figures. It would also be conceivable to design the heat-conducting element in the extension direction E to be significantly longer and to provide a plurality of transverse areas and / or depressions thereon.

LIST OF REFERENCE NUMBERS

1

thermally conductive element

10

Mounting means for fixing the heat-conducting element

11

Heat coupling region

111

Inrun coupling area as a cross section

112

Inrun track coupling area as start-up track edge

1120

Outside edge of the starting track edge

1121

high vaulted edge area

113

Inrun track coupling area as start-up track edge

1130

Outside edge of the starting track edge

1131

high vaulted edge area

12

Fixing agent for the assembly of summer track sliding nubs

13

Deepening of the heat-conducting element

130

Well bottom surface

131

first boundary edge

2

Run track channel

3

air conditioning unit

4

Gaps between adjacent Wärmeleitelementen

5

thermal insulation layer

6

Summer track sliding knobs

60

screw thread

61

spring means

7

lower inrun track edge profiles

70

mounting seat

8th

upper run-up track edge profiles

e

Run track channel extension direction

B

Track width of the inrun track channel

Claims (15)

1. A heat conducting element (1) for air-conditioned ski jump inrun tracks having an inrun track channel extending along an inrun track channel extension direction (E) and a track width (B) perpendicular to the inrun track channel extension direction (E)
   having the following features:

   • mounting means (10) for fixing the heat conducting element (1) in the inrun track channel (2) of the air-conditioned ski jump inrun track and

   • a heat coupling region (11) for thermally coupling the heat conducting element (1) having a defined heat conductivity to an air-conditioning device (3) extending in the inrun track channel (2) of the air-conditioned ski jump inrun track, wherein the heat conductivity of the heat coupling region (11) is more than 10 W/m K, preferably more than 50 W/m K and most preferably more than 100 is W/m K,

   characterized in that
   the heat coupling region (11) of the heat conducting element formed in planar manner passes thermally coupled into at least one inrun track coupling region (111,112,113) formed in planar manner and arranged perpendicular to the inrun track channel extension direction (E) at a distance to the heat coupling region (11), wherein the heat coupling region (11) and the inrun track coupling region (111, 112, 113) form a surface which has mandatorily one or more borders, levels and/or recesses.
2. The heat conducting element (1) according to claim 1, characterized in that the heat conducting element (1) has two inrun track coupling regions formed as inrun track edges (112,113), wherein the inrun track edges (112, 113) when considered in inrun track channel extension direction (E) form respectively outer borders (1120, 1130) of the heat conducting element (1) extending in inrun track extension direction (E).
3. The heat conducting element (1) according to claim 2, characterized in that the outer borders (1120, 1130) are spaced apart to each other at a distance of the track width (B).
4. The heat conducting element (1) according to claim 2 or 3, characterized in that between the two inrun track edges (112, 113) a further inrun track coupling region is arranged in the form of a transversal section (111).
5. The heat conducting element (1) according to claim 4, characterized in that the transversal section (111) extends between the two inrun track edges (112, 113).
6. The heat conducting element (1) according to one of claims 1 to 5, characterized in that the heat conducting element (1) has a plurality of sliding stud fixing means (12) for mounting a plurality of summer track sliding studs (5) on the heat conducting element (1).
7. The thermally conducting element (1) according to one of claims 1 to 6, characterized in that the heat conducting element (1) has a recess (13) with a recess bottom surface (130), wherein the heat coupling portion (11) forms at least partially the recess bottom surface (130).
8. The heat conducting element (1) according to claim 7, characterized in that the recess (13) when considered in inrun track channel extension direction (E) forms at a first side of the recess a first boundary border (131) with a first boundary border height and
   has at a second side opposite to the first side of the recess (13) a second boundary border with a second boundary border height smaller when compared to the first boundary border height or
   is formed at a second side opposite to the first side of the recess (13) without a second boundary border opposite the first side.
9. The heat conducting element (1) according to claim 8, characterized in that the first boundary border (131) is formed by a transition from the recess bottom surface (130) into the inrun track coupling regions (111, 112, 113).
10. The heat conducting element (1) according to claim 9, characterized in that the transition from the recess bottom surface (130) in the inrun track coupling regions (111, 112, 113) is formed in stages.
11. The heat conducting element (1) according to one of the preceding claims, characterized in that the heat conducting element (1) and/or the heat coupling region (11) has when considered in the inrun track channel extension direction (E) a dimension which is smaller than the track width (B).
12. An air-conditioned ski jump inrun track system having two inrun track channels (2) extending along an inrun track channel extension direction (E), each having a track width (B) and in each of which an air-conditioning device (3) for heating and/or cooling the inrun track channel (2) is arranged, characterized in that
    in each inrun track channel (2) is arranged a plurality of heat conducting elements (1) according to one of claims 1 to 11.
13. The air-conditioned ski jump inrun track system according to claim 12, characterized in that along the inrun track channel extension direction (E) when considered in a length corresponding to the track width (B) at least two heat conducting elements (1) spaced apart from each other are arranged.
14. The air-conditioned ski jump inrun track system according to claim 12 or 13, characterized in that the heat conducting elements (1) are fixed when considered along the inrun track channel extension direction (E) spaced apart to each other in the inrun track channels (2) in such a manner that between adjacent heat conducting elements (1) gaps (4) remain in which the air-conditioning device (3) is exposed.
15. The air-conditioned ski jump inrun track system of one of claims 12 to 14, characterized in that the heat coupling regions (11) of the heat conducting elements (1) are formed in such a manner that a form-fitting connection of the heat coupling portions (11) with heat coupling sections of the air-conditioning device (3) is formed.

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