JP5104106B2 - Piping connection structure - Google Patents

Piping connection structure Download PDF

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JP5104106B2
JP5104106B2 JP2007200658A JP2007200658A JP5104106B2 JP 5104106 B2 JP5104106 B2 JP 5104106B2 JP 2007200658 A JP2007200658 A JP 2007200658A JP 2007200658 A JP2007200658 A JP 2007200658A JP 5104106 B2 JP5104106 B2 JP 5104106B2
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cooling water
hose
hoses
pipes
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JP2009036290A (en
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宏之 藤屋
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Nissan Motor Co Ltd
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Description

本発明は、二本の配管の端部間をホースで接続する配管接続構造に関する。   The present invention relates to a pipe connection structure for connecting ends of two pipes with a hose.

従来、エンジン冷却水等の流体の経路において、二本の配管の端部間をホースで接続する区間を設ける場合、配管の端部にホースを外嵌し、当該ホースの外側からクランプで挟持して抜け止めを行うのが一般的である(例えば、特許文献1参照)。   Conventionally, when a section connecting two pipe ends with a hose is provided in a fluid path such as engine cooling water, a hose is externally fitted to the end of the pipe and clamped from the outside of the hose. In general, the retaining is performed (see, for example, Patent Document 1).

そして、この場合、二本の配管の端部同士を一直線状に配置するとともに、それら端部間を直線状のホースで接続する場合が多い。
特開2001−141154号公報
In this case, the ends of the two pipes are arranged in a straight line, and the ends are often connected by a linear hose.
JP 2001-141154 A

しかしながら、上記従来構造のように、二本の配管およびホースが一直線状に配索されている場合、何らかの外力が作用した時や振動時などに、それら配管の端部間に配索方向と直交する方向のずれが生じると、当該ずれによってホースには配管から抜ける方向に力が作用することになる。   However, when two pipes and hoses are routed in a straight line as in the conventional structure described above, when any external force is applied or when vibrations occur, the direction between the pipes is perpendicular to the routing direction. When a deviation occurs in the direction in which the hose is moved, a force acts on the hose in the direction of coming off the pipe due to the deviation.

そこで、本発明は、ホースをより抜けにくくすることが可能な配管接続構造を得ることを目的とする。   Then, an object of this invention is to obtain the piping connection structure which can make a hose difficult to pull out more.

本発明にあっては、二本の配管の端部間をホースで接続された複数の流体経路が、少なくとも当該配管の端部間では相互に略平行に設けられる配管接続構造であって、前記複数の流体経路のホースを外から取り囲んで一体的に結合するホース結合具を備え、前記ホース結合具は、拡開可能に一端部同士が接続された二つの分割体を有し、それらの他端部同士が係合されて一体化されており、前記流体経路のそれぞれについて、前記ホースをクランク状に配索し、複数の流体経路のホースを前記ホース結合具で一体的に結合し、また、前記ホースで接続される互いの配管の端部が、それらの軸方向の延長線同士が交わらずにねじれの位置関係にあることを最も主要な特徴とする。 In the present invention, a plurality of fluid paths in which the ends of two pipes are connected with a hose are pipe connection structures provided at least substantially parallel to each other between the ends of the pipes, A hose coupler that surrounds and integrally couples hoses of a plurality of fluid paths from outside, and the hose coupler has two divided bodies whose one ends are connected to each other so that they can be expanded; Ends are engaged and integrated, and for each of the fluid paths, the hose is routed in a crank shape, and the hoses of a plurality of fluid paths are integrally coupled with the hose coupler, The most important feature is that the ends of the pipes connected by the hose are in a torsional positional relationship without their axial extension lines crossing each other .

本発明によれば、ホースがクランク状に屈曲した状態で配索されているため、その屈曲部分で配管の端部同士の相対的な位置ずれを吸収することができ、ホースが配管から抜けにくくなる。
また、本発明によれば、複数のホースを一体的に結合したので、仮にこれら複数のホースのうち一方に、配管から抜けようとする力が作用したとしても、これらホースは一体化されているため、他方も一緒でなければ当該一方が抜けないようにすることができる
また、本発明によれば、ホースを外から取り囲んで一体的に結合するホース結合具を備えるため、ホースを配索した後に、これらホースを一体的に結合することができるようになり、配管を配索する工程の自由度を高めて、作業性を向上することができる
また、本発明によれば、ホース結合具は、拡開可能に一方側の端部同士が接続された二つの分割体を有し、それらの他方側の端部同士が係合されて一体化されるように構成されているため、ホースを外から取り囲んで一体的に結合するホース結合具を、比較的簡素な構成によって具現化することができ、複数のホースを一体的に結合する作業を容易化して、作業性の更なる向上を図ることができる
According to the present invention, since the hose is routed in a state of being bent in a crank shape, it is possible to absorb the relative positional deviation between the ends of the pipe at the bent portion, and the hose is difficult to come off from the pipe. Become.
In addition, according to the present invention, since the plurality of hoses are integrally coupled, even if a force is exerted on one of the plurality of hoses to be removed from the pipe, these hoses are integrated. For this reason, if the other is not together, the other can be prevented from coming off .
In addition, according to the present invention, since the hose coupler that surrounds the hose from the outside and integrally couples is provided, the hoses can be integrally coupled after the hoses are routed. Workability can be improved by increasing the degree of freedom of the routing process .
Further, according to the present invention, the hose coupler has two divided bodies in which the ends on one side are connected so as to be expanded, and the ends on the other side are engaged and integrated. Therefore, the hose coupler that integrally surrounds the hose from the outside can be realized with a relatively simple configuration, and the operation of integrally coupling a plurality of hoses can be realized. It is possible to facilitate and further improve workability .

以下、本発明の好適な実施形態について図面を参照しながら詳細に説明する。図1は、本実施形態にかかる配管接続構造の平面図、図2は、配管接続構造の側面図、図3は、ホースを一体化するホース結合具の斜視図である。   DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the invention will be described in detail with reference to the drawings. FIG. 1 is a plan view of a pipe connection structure according to the present embodiment, FIG. 2 is a side view of the pipe connection structure, and FIG. 3 is a perspective view of a hose coupler that integrates hoses.

本実施形態では、自動車等の車両に搭載されるエンジン1用の冷却水配管の接続構造を例示する。本実施形態では、冷却水経路(流体経路)は、エンジン1に対して往復の二系統設定されている。これら二つの系統は、図示されるほぼ全区間に亘って、互いに沿って略平行に配索されている。   In this embodiment, the connection structure of the cooling water piping for the engine 1 mounted in vehicles, such as a motor vehicle, is illustrated. In the present embodiment, the cooling water path (fluid path) is set to have two systems reciprocating with respect to the engine 1. These two systems are arranged substantially parallel along each other over almost the entire section shown in the figure.

エンジン1には、ブラケット1aによって、二本の冷却水配管(配管)2A,2Bが取り付けられている。これら二本の冷却水配管2A,2Bは、ブラケット1aに固定される部分から端部2Aa,2Baに至るまで、相互に略平行な状態で3次元的に屈曲されながら配索されている。端部2Aa,2Baは近接して配置されており、当該端部2Aa,2Baの軸方向は相互に略平行となっている。   Two cooling water pipes (piping) 2A and 2B are attached to the engine 1 by a bracket 1a. These two cooling water pipes 2A and 2B are routed while being bent three-dimensionally in a substantially parallel state from the portion fixed to the bracket 1a to the end portions 2Aa and 2Ba. The end portions 2Aa and 2Ba are arranged close to each other, and the axial directions of the end portions 2Aa and 2Ba are substantially parallel to each other.

一方、車体パネル3の略垂直な壁部には、ブラケット3aによって、二本の冷却水配管4A,4Bが取り付けられている。これら二本の冷却水配管4A,4Bも、それらの端部4Aa,4Baに至るまで相互に略平行な状態で配索されており、当該端部4Aa,4Baの軸方向も相互に略平行となっている。   On the other hand, two cooling water pipes 4A and 4B are attached to a substantially vertical wall portion of the vehicle body panel 3 by a bracket 3a. These two cooling water pipes 4A and 4B are also arranged in a state of being substantially parallel to each other up to the end portions 4Aa and 4Ba, and the axial directions of the end portions 4Aa and 4Ba are also substantially parallel to each other. It has become.

ここで、本実施形態では、流体経路の第一の系統において、冷却水配管2A,4Aの端部2Aa,4Aa同士を、略S字クランク状の冷却水ホース5Aによって接続してある。また、流体経路の第二の系統においても、上記第一の系統と同様に、冷却水配管2B,4Bの端部2Ba,4Ba同士を、略S字クランク状の冷却水ホース5Bによって接続してある。   Here, in this embodiment, in the first system of the fluid path, the end portions 2Aa and 4Aa of the cooling water pipes 2A and 4A are connected to each other by a substantially S-shaped crank-shaped cooling water hose 5A. Also in the second system of the fluid path, the end portions 2Ba and 4Ba of the cooling water pipes 2B and 4B are connected to each other by a substantially S-shaped crank-shaped cooling water hose 5B, as in the first system. is there.

なお、冷却水ホース5A,5Bの端部5Aa,5Ab,5Ba,5Bbは、それぞれ対応する冷却水配管2A,4A,2B,4Bの端部2Aa,4Aa,2Ba,4Baに外嵌され、それぞれクランプ6によって抜け止めが施されている。   The end portions 5Aa, 5Ab, 5Ba, and 5Bb of the cooling water hoses 5A and 5B are externally fitted to the corresponding end portions 2Aa, 4Aa, 2Ba, and 4Ba of the cooling water pipes 2A, 4A, 2B, and 4B, and are clamped respectively. 6 is used to prevent slipping off.

そして、このように冷却水ホース5Aをクランク状に配索するため、本実施形態では、当該冷却水ホース5Aが接続される冷却水配管2A,4Aの端部2Aa,4Aaを、それらの軸方向の延長線DA2,DA4同士がねじれの位置の関係となるように配置してある。すなわち、図1および図2に示すように、端部2Aaの軸方向の延長線DA2と端部4Aaの軸方向の延長線DA4とは、相互に離間して交差しており、所謂ねじれの位置の関係となっている。   And in order to route the cooling water hose 5A in a crank shape in this way, in the present embodiment, the end portions 2Aa and 4Aa of the cooling water pipes 2A and 4A to which the cooling water hose 5A is connected are arranged in the axial direction thereof. The extension lines DA2 and DA4 are arranged so as to have a twisted position relationship. That is, as shown in FIGS. 1 and 2, the extension line DA2 in the axial direction of the end 2Aa and the extension line DA4 in the axial direction of the end 4Aa are spaced apart from each other, so-called torsional positions. It has become a relationship.

また、冷却水配管2B、4Bの端部2Ba,4Baも、同様に、それらの軸方向の延長線DB2,DB4同士がねじれの位置の関係となるように配置してある。すなわち、図1および図2に示すように、端部2Baの軸方向の延長線DB2と端部4Baの軸方向の延長線DB4とは、相互に離間して交差しており、所謂ねじれの位置の関係となっている。   Similarly, the end portions 2Ba and 4Ba of the cooling water pipes 2B and 4B are also arranged so that the extension lines DB2 and DB4 in the axial direction are in a twisted position relationship. That is, as shown in FIGS. 1 and 2, the extension line DB2 in the axial direction of the end portion 2Ba and the extension line DB4 in the axial direction of the end portion 4Ba intersect with each other at a distance from each other, so-called torsional positions. It has become a relationship.

なお、冷却水ホース5A,5Bがクランク状に配索されるのは、かかる構成には限定されず、各系統毎に、上記延長線同士(本実施形態ではDA2とDA4,DB2とDB4)が交わらなければよい。すなわち、例えば、軸方向の延長線同士が相互に平行であってもよい。   Note that the cooling water hoses 5A and 5B are arranged in a crank shape is not limited to such a configuration, and the extension lines (DA2 and DA4, DB2 and DB4 in the present embodiment) are provided for each system. Don't cross. That is, for example, the extension lines in the axial direction may be parallel to each other.

また、これら冷却水ホース5A,5Bは、ゴム等の弾性素材含んで所要の弾発力を有しており、また、予め取付状態の略S字クランク状に成形しておいてもよい。   The cooling water hoses 5A and 5B include a resilient material such as rubber and have a required resilience, and may be previously formed into a substantially S-shaped crank shape in an attached state.

そして、本実施形態では、冷却水ホース5A,5Bの中間部5Ac,5Bcが、ホース結合具7によって一体的に結合されている。   In the present embodiment, the intermediate portions 5Ac and 5Bc of the cooling water hoses 5A and 5B are integrally coupled by the hose coupler 7.

ホース結合具7は、本実施形態では、図3に示すように、冷却水ホース5A,5Bの配索方向と略直交する方向に細長く形成されており、その長手方向一方側の端部7cで相互に結合された二つの分割体7a,7bを有している。これら二つの分割体7a,7bは、端部7cを支点として拡開可能に構成されており、他方側の端部7d,7dには、それぞれ分割体7a,7b同士を係合する係合機構8として、係合突起8aと係合凹部8bとが設けられている。   In the present embodiment, as shown in FIG. 3, the hose coupler 7 is formed in an elongated shape in a direction substantially orthogonal to the wiring direction of the cooling water hoses 5A and 5B, and at an end 7c on one side in the longitudinal direction. It has two division bodies 7a and 7b mutually connected. The two divided bodies 7a and 7b are configured to be expandable with the end portion 7c as a fulcrum, and the other end portions 7d and 7d are engaged with the divided bodies 7a and 7b, respectively. 8, an engagement protrusion 8a and an engagement recess 8b are provided.

また、各分割体7a,7bには、冷却水ホース5A,5Bに対応して、半円弧状断面の切欠凹部(9Aと9B,10Aと10B)が形成されている。分割体7a,7b同士を係合してこれらを一体化すると、対応する切欠凹部同士(9Aと10A,9Bと10B)によって、冷却水ホース5A,5B用の略円形断面の挿通口11A,11B(図1,図2も参照)が形成される。   Further, in each of the divided bodies 7a and 7b, cutout recesses (9A and 9B, 10A and 10B) having a semicircular arc cross section are formed corresponding to the cooling water hoses 5A and 5B. When the divided bodies 7a and 7b are engaged with each other and integrated with each other, the insertion holes 11A and 11B having substantially circular cross sections for the cooling water hoses 5A and 5B are formed by the corresponding notch recesses (9A and 10A, 9B and 10B). (See also FIGS. 1 and 2).

冷却水ホース5A,5Bに取り付けるに際しては、端部7d,7d側を拡開させた状態で、冷却水ホース5A,5Bを分割体7a,7b間に挿通し、それぞれ切欠凹部(9Aと10A,9Bと10B)に収容する。そして、係合突起8aと係合凹部8bとを係合させて、分割体7a,7bの端部7dを閉じて結合する。かくして、冷却水ホース5A,5Bの中間部5Ac,5Bcが、それぞれホース結合具7の挿通口11A,11Bに嵌挿され、ホース結合具7によって外周から(径外方向から)取り囲まれて一体化された状態が得られる。   When attaching to the cooling water hoses 5A and 5B, the cooling water hoses 5A and 5B are inserted between the split bodies 7a and 7b in a state where the end portions 7d and 7d are expanded, and the notched recesses (9A and 10A, 9B and 10B). Then, the engagement protrusion 8a and the engagement recess 8b are engaged, and the end portions 7d of the divided bodies 7a and 7b are closed and coupled. Thus, the intermediate portions 5Ac and 5Bc of the cooling water hoses 5A and 5B are respectively inserted into the insertion ports 11A and 11B of the hose coupler 7, and are surrounded and integrated by the hose coupler 7 from the outer periphery (from the outer diameter direction). The obtained state is obtained.

以上説明したように、本実施形態では、二本の冷却水配管(2Aと4A,2Bと4B)の端部(2Aaと4Aa,2Baと4Ba)間で、冷却水ホース5A,5Bをクランク状に配索した。   As described above, in this embodiment, the cooling water hoses 5A and 5B are crank-shaped between the end portions (2Aa and 4Aa, 2Ba and 4Ba) of the two cooling water pipes (2A and 4A, 2B and 4B). Arranged to.

このため、冷却水ホース5A,5Bが、クランク状に屈曲された状態で配索されることになり、かかる屈曲部分の弾性変形によって、冷却水配管(2Aと4A,2Bと4B)の端部同士(2Aaと4Aa,2Baと4Ba)の相対的な位置ずれを吸収することができ、冷却水ホース5A,5Bが冷却水配管(2Aと4A,2Bと4B)から抜けにくくなる。   For this reason, the cooling water hoses 5A and 5B are routed in a state of being bent in a crank shape, and the ends of the cooling water pipes (2A and 4A, 2B and 4B) are elastically deformed at the bent portions. The relative displacement between the two (2Aa and 4Aa, 2Ba and 4Ba) can be absorbed, and it becomes difficult for the cooling water hoses 5A and 5B to come out of the cooling water piping (2A and 4A, 2B and 4B).

さらに、本実施形態では、複数の冷却水ホース5A,5Bを一体的に結合してある。このため、仮に、これら複数の冷却水ホース5A,5Bのうち一方に、冷却水配管(2Aと4A,2Bと4B)から抜けようとする力が作用したとしても、これら冷却水ホース5A,5Bは一体化されているため、他方も一緒でなければ当該一方が抜けないようにすることができる。すなわち、本実施形態では、冷却水ホース5A,5Bのそれぞれについて、抜け限界力を従来の約2倍に設定することができ、冷却水配管(2Aと4A,2Bと4B)からより一層抜けにくくすることができる。   Further, in the present embodiment, the plurality of cooling water hoses 5A and 5B are integrally coupled. For this reason, even if a force is exerted on one of the plurality of cooling water hoses 5A and 5B from the cooling water piping (2A and 4A, 2B and 4B), these cooling water hoses 5A and 5B Since they are integrated, the other can be prevented from coming out unless the other is also together. That is, in the present embodiment, for each of the cooling water hoses 5A and 5B, the pull-out limit force can be set to about twice that of the conventional one, and it is even more difficult to pull out from the cooling water pipes (2A and 4A, 2B and 4B). can do.

また、本実施形態では、冷却水ホース5A,5Bを外から取り囲んで一体的に結合するホース結合具7を備えるため、冷却水ホース5A,5Bを配索した後に、これら冷却水ホース5A,5Bを一体的に結合することができるようになり、冷却水配管を配索する工程の自由度を高めて、作業性を向上することができる。   In the present embodiment, since the hose coupler 7 that surrounds the cooling water hoses 5A and 5B from the outside and integrally couples them is provided, the cooling water hoses 5A and 5B are arranged after the cooling water hoses 5A and 5B are routed. Can be integrally coupled, and the degree of freedom in the process of arranging the cooling water piping can be increased, thereby improving workability.

また、本実施形態では、ホース結合具7は、拡開可能に一方側の端部7c同士が接続された二つの分割体7a,7bを有し、それらの他方側の端部7d,7d同士が係合されて一体化されるように構成されている。このため、冷却水ホース5A,5Bを外から取り囲んで一体的に結合するホース結合具7を、比較的簡素な構成によって具現化することができ、複数の冷却水ホース5A,5Bを一体的に結合する作業を容易化して、作業性の更なる向上を図ることができる。   Moreover, in this embodiment, the hose coupler 7 has the two division bodies 7a and 7b to which the one end parts 7c were connected so that expansion was possible, and those other end parts 7d and 7d Are engaged and integrated. For this reason, the hose coupler 7 which surrounds the cooling water hoses 5A and 5B from the outside and integrally couples them can be embodied with a relatively simple configuration, and the plurality of cooling water hoses 5A and 5B can be integrally formed. The work to combine can be facilitated and workability can be further improved.

以上、本発明の好適な実施形態について説明したが、本発明は上記実施形態には限定されず、種々の変形が可能である。   The preferred embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiments, and various modifications can be made.

例えば、上記実施形態では、二系統の冷却水経路の場合について例示したが、本発明は、これには限定されず、より多くの系統の流体経路の場合にも同様に適用可能であるし、冷却水以外の流体の経路についても全く同様に適用可能である。   For example, in the above-described embodiment, the case of two cooling water paths has been illustrated, but the present invention is not limited to this, and can be similarly applied to the case of more fluid paths. The present invention can be applied to a fluid path other than cooling water in the same manner.

また、複数の系統の流体経路同士は、全区間に亘って略平行となっている必要はなく、少なくとも二つの配管の端部間となる区間(ホースが配索される区間)が、相互に略平行となっていればよい。   In addition, the fluid paths of a plurality of systems do not need to be substantially parallel over the entire section, and a section between the ends of at least two pipes (section in which the hose is routed) is mutually connected. What is necessary is just to be substantially parallel.

また、ホース結合具の形状や、結合位置も、上記実施形態の例には限定されない。また、分割体は三つ以上であってもよいし、係合以外の方法で結合してもよい。また、複数の分割体はホースを結合する前の状態では分離されていてもよい。   Further, the shape of the hose coupler and the coupling position are not limited to the example of the above embodiment. Further, the number of divided bodies may be three or more, and may be combined by a method other than engagement. Moreover, the some division body may be isolate | separated in the state before couple | bonding a hose.

本発明の実施形態にかかる配管接続構造の平面図である。It is a top view of the piping connection structure concerning the embodiment of the present invention. 本発明の実施形態にかかる配管接続構造の側面図である。It is a side view of the piping connection structure concerning the embodiment of the present invention. 本発明の実施形態にかかる配管接続構造に含まれるホース結合具の斜視図である。It is a perspective view of the hose coupler contained in the piping connection structure concerning the embodiment of the present invention.

符号の説明Explanation of symbols

2A,2B,4A,4B 冷却水配管(配管)
2Aa,2Ba,4Aa,4Ba (配管の)端部
5A,5B 冷却水ホース(ホース)
7 ホース結合具
7a,7b 分割体
7c 端部(一端部)
7d 端部(他端部)
2A, 2B, 4A, 4B Cooling water piping (pipe)
2Aa, 2Ba, 4Aa, 4Ba (Piping) end 5A, 5B Cooling water hose (hose)
7 Hose coupler 7a, 7b Split body 7c End (one end)
7d end (other end)

Claims (1)

二本の配管の端部間をホースで接続された複数の流体経路が、少なくとも当該配管の端部間では相互に略平行に設けられる配管接続構造であって
前記複数の流体経路のホースを外から取り囲んで一体的に結合するホース結合具を備え、前記ホース結合具は、拡開可能に一端部同士が接続された二つの分割体を有し、それらの他端部同士が係合されて一体化されており
前記流体経路のそれぞれについて、前記ホースをクランク状に配索し、複数の流体経路のホースを前記ホース結合具で一体的に結合し、また、前記ホースで接続される互いの配管の端部が、それらの軸方向の延長線同士が交わらずにねじれの位置関係にある
ことを特徴とする配管接続構造。
A plurality of fluid paths connected by hoses between the ends of two pipes are pipe connection structures provided at least substantially in parallel between the ends of the pipes ,
A hose coupler that surrounds and integrally couples the hoses of the plurality of fluid paths from the outside, the hose coupler having two divided bodies whose one ends are connected to each other in an expandable manner; other ends are integrally engaged,
For each of the fluid paths, the hose is routed in a crank shape, the hoses of a plurality of fluid paths are integrally coupled with the hose coupler, and ends of each pipe connected by the hose are A piping connection structure characterized in that the axial extension lines do not cross each other and are in a twisted positional relationship .
JP2007200658A 2007-08-01 2007-08-01 Piping connection structure Expired - Fee Related JP5104106B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007200658A JP5104106B2 (en) 2007-08-01 2007-08-01 Piping connection structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007200658A JP5104106B2 (en) 2007-08-01 2007-08-01 Piping connection structure

Publications (2)

Publication Number Publication Date
JP2009036290A JP2009036290A (en) 2009-02-19
JP5104106B2 true JP5104106B2 (en) 2012-12-19

Family

ID=40438382

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
JP (1) JP5104106B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011232006A (en) * 2010-04-30 2011-11-17 Calsonic Kansei Corp Supporting member of heat exchanger
JP5974265B2 (en) * 2011-12-26 2016-08-23 パナソニックIpマネジメント株式会社 Refrigeration cycle equipment

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