JP2002103030A - Method for brazing refrigerant introducing or deducing pipe of accumulator or receiver of air conditioner - Google Patents
Method for brazing refrigerant introducing or deducing pipe of accumulator or receiver of air conditionerInfo
- Publication number
- JP2002103030A JP2002103030A JP2000299830A JP2000299830A JP2002103030A JP 2002103030 A JP2002103030 A JP 2002103030A JP 2000299830 A JP2000299830 A JP 2000299830A JP 2000299830 A JP2000299830 A JP 2000299830A JP 2002103030 A JP2002103030 A JP 2002103030A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- brazing
- brazing material
- refrigerant
- accumulator
- Prior art date
- Legal status (The legal status 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 status listed.)
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- Details Of Heat-Exchange And Heat-Transfer (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は冷暖房装置におけ
る冷媒圧縮機の低圧入口に設けられるアキュームレータ
ー又は冷媒圧縮機の高圧出口に設けられるレシーバーに
冷媒導入又は導出パイプをろう付けする方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for brazing a refrigerant introduction or discharge pipe to an accumulator provided at a low pressure inlet of a refrigerant compressor or a receiver provided at a high pressure outlet of a refrigerant compressor in a cooling and heating apparatus.
【０００２】[0002]
【従来の技術】冷暖房装置では室内側熱交換器又は室外
側熱交換器から吐出される低圧冷媒を冷媒導入パイプを
通してアキュームレーター内に導入し、低圧冷媒導出パ
イプを通して冷媒圧縮機の低圧入口に導入している。2. Description of the Related Art In a cooling and heating apparatus, a low-pressure refrigerant discharged from an indoor heat exchanger or an outdoor heat exchanger is introduced into an accumulator through a refrigerant introduction pipe, and is introduced into a low-pressure inlet of a refrigerant compressor through a low-pressure refrigerant outlet pipe. are doing.
【０００３】又上記冷媒圧縮機の高圧出口にレシーバー
を設け、冷媒圧縮機から吐出される高圧冷媒を高圧冷媒
導入パイプを通してレシーバー内へ導入し、高圧冷媒導
出パイプを通して室内側熱交換器又は室外側熱交換器へ
供給している。A receiver is provided at a high-pressure outlet of the refrigerant compressor, high-pressure refrigerant discharged from the refrigerant compressor is introduced into the receiver through a high-pressure refrigerant introduction pipe, and an indoor heat exchanger or an outdoor Supplying to heat exchanger.
【０００４】而して従来、例えばアキュームレーターの
タンクに低圧冷媒導入パイプを取り付けるに際し、図６
に示すように、タンク５の上端に内向きバーリング部８
を設け、この内向きバーリング部８内に低圧冷媒導入パ
イプ２の管端を圧入した後、ろう材リングをパイプに外
挿しつつ上記バーリング部の外端開口部の周縁に配し、
該ろう材リングを溶融して上記パイプの管端を上記バー
リング部にろう付けしている。Conventionally, for example, when attaching a low-pressure refrigerant introduction pipe to a tank of an accumulator, FIG.
As shown in FIG.
After press-fitting the pipe end of the low-pressure refrigerant introduction pipe 2 into the inward burring portion 8, the brazing material ring is arranged around the outer edge opening of the burring portion while being extrapolated into the pipe,
The pipe end of the pipe is brazed to the burring portion by melting the brazing ring.
【０００５】[0005]
【発明が解決しようとする課題】然しながら従来のろう
付け法では上記冷媒導入パイプ２の管端外周面とバーリ
ング部８の内周面との界面全域への溶融ろう材１０ ′
の浸透が充分に行い難く、ろう材を配したバーリング部
８の外端開口部周縁付近はろう付けされるが、バーリン
グ部８の内端内周面付近にはろう材が行き渡らず、この
ためろう付け面積が不足しパイプ２の取付強度及び、ア
キュームレーターの気密性に信頼性を欠く問題を有して
いる。However, in the conventional brazing method, the molten brazing material 10 'is spread over the entire interface between the outer peripheral surface of the pipe end of the refrigerant introduction pipe 2 and the inner peripheral surface of the burring portion 8.
The burring portion 8 on which the brazing material is arranged is hardly permeated, and the periphery of the outer end opening portion of the burring portion 8 is brazed. There is a problem that the brazing area is insufficient and the mounting strength of the pipe 2 and the airtightness of the accumulator lack reliability.
【０００６】[0006]
【課題を解決するための手段】本発明は上記冷媒圧縮機
の入口側に付設されるアキュームレーターのタンクの低
圧冷媒導入又は導出パイプ、又は冷媒圧縮機の出口側に
付設されるレシーバーのタンクの高圧冷媒導入又は導出
パイプのろう付け方法の改善に関する。SUMMARY OF THE INVENTION The present invention relates to a low-pressure refrigerant introduction or discharge pipe of an accumulator tank provided on the inlet side of the refrigerant compressor, or a receiver tank provided on the outlet side of the refrigerant compressor. The present invention relates to an improvement in a brazing method for a high-pressure refrigerant introduction or discharge pipe.
【０００７】このろう付け法においては上記各冷媒導入
又は導出パイプの管端外周面にパイプ母線方向に延び且
つ内端が同パイプの管端面でタンク内に開放し外端が上
記バーリング部の外端開口部以遠に達しパイプ外周面に
おいて終端するろう材誘導溝を形成する。In this brazing method, each of the refrigerant introduction or discharge pipes extends in the pipe generative direction on the outer peripheral surface of the pipe end, the inner end is open into the tank at the pipe end surface of the pipe, and the outer end is outside the burring portion. A brazing material guiding groove that extends beyond the end opening and terminates on the outer peripheral surface of the pipe is formed.
【０００８】そして上記バーリング部の外端開口部の周
縁に配したろう材を溶融させて上記ろう材誘導溝内に毛
管作用により誘導すると共に、該ろう材誘導溝によって
誘導されたろう材を上記パイプ密挿部界面に浸透させ、
即ち上記冷媒導入又は導出パイプの管端外周面とバーリ
ング部内周面の界面全域にろう材を浸透させて健全なる
ろう付けを図る。[0008] Then, the brazing material disposed on the periphery of the outer end opening of the burring portion is melted and guided into the brazing material guiding groove by capillary action, and the brazing material guided by the brazing material guiding groove is transferred to the pipe. Infiltrate the interface of the tight insertion part,
That is, brazing material is permeated to the entire interface between the outer peripheral surface of the pipe end of the refrigerant introduction or discharge pipe and the inner peripheral surface of the burring portion to achieve sound brazing.
【０００９】よって気密性と接合強度の双方において高
信頼のろう付けが図られる。Accordingly, brazing with high reliability can be achieved in both airtightness and bonding strength.
【００１０】上記ろう材誘導溝はその外端をろう材リン
グと接する領域に達し且つろう材リングの外側環状面か
ら延出させバーリング部の外端開口から充分に盛り上が
るろう付けを可能とする。[0010] The brazing material guiding groove reaches the region where the outer end contacts the brazing ring and extends from the outer annular surface of the brazing ring to enable brazing sufficiently rising from the outer end opening of the burring portion.
【００１１】又上記冷媒導入又は導出パイプの管端面を
上記内向きバーリング部の内端開口部からタンクの内方
へ向け突出して該突出管端部の外周面とバーリング部の
内端面とのろう付けを図ることを可能とする。即ちバー
リング部の内端開口部から内方へ充分に盛り上がるろう
付けを可能とする。Further, the pipe end face of the refrigerant introduction or discharge pipe projects from the inner end opening of the inward burring portion toward the inside of the tank so that the outer peripheral surface of the protruding pipe end and the inner end face of the burring portion are joined. It is possible to plan the attachment. That is, it is possible to perform brazing sufficiently rising inward from the inner end opening of the burring portion.
【００１２】[0012]
【発明の実施の形態】以下この発明の実施形態を図１乃
至図５に基づき説明する。尚この実施形態においては上
記アキュームレーターのタンクに取り付けられる低圧冷
媒導入パイプのろう付け法を代表例として説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. In this embodiment, a method of brazing a low-pressure refrigerant introduction pipe attached to a tank of the accumulator will be described as a representative example.
【００１３】アキュームレーター１は冷暖房装置におけ
る冷媒圧縮機１１の低圧入口１２に設けられ、室内側熱
交換器又は室外側熱交換器から吐出された低圧冷媒は、
アキュームレーター１のタンク５の上端中心部に設けた
冷媒導入パイプ２を通してアキュームレーター１内に導
入する。The accumulator 1 is provided at a low pressure inlet 12 of a refrigerant compressor 11 in a cooling and heating device, and the low pressure refrigerant discharged from the indoor heat exchanger or the outdoor heat exchanger is
The refrigerant is introduced into the accumulator 1 through a refrigerant introduction pipe 2 provided at the center of the upper end of the tank 5 of the accumulator 1.
【００１４】上記冷媒導入パイプ２を通じ導入された低
圧冷媒はフィルター３により気液分離され、アキューム
レーター１のタンク５の下端中心部に設けた冷媒導出パ
イプ４を通して冷媒圧縮機１１に導入し、該圧縮機１１
からレシーバーに高圧冷媒を導入し、該レシーバーから
室内側熱交換器又は室外側熱交換器に供給している。The low-pressure refrigerant introduced through the refrigerant introduction pipe 2 is separated into gas and liquid by a filter 3 and introduced into a refrigerant compressor 11 through a refrigerant outlet pipe 4 provided at the center of the lower end of a tank 5 of the accumulator 1. Compressor 11
, A high-pressure refrigerant is introduced into the receiver, and supplied from the receiver to the indoor heat exchanger or the outdoor heat exchanger.
【００１５】図１に示すように、上記アキュームレータ
ー１のタンク５は頂板６ａを有する円筒形の上部タンク
６と、底板７ａを有する円筒形の下部タンク７とに二分
され、両タンク６，７を開口部において相嵌め構造に
し、全体を金属板により形成した中空金属タンクから成
る。As shown in FIG. 1, the tank 5 of the accumulator 1 is divided into a cylindrical upper tank 6 having a top plate 6a and a cylindrical lower tank 7 having a bottom plate 7a. Has a hollow metal tank formed entirely by a metal plate.
【００１６】上記タンク５の頂板６ａの中央部、即ち上
部タンク６の頂板６ａの中央部に筒形の内向きバーリン
グ部８を設け、該内向きバーリング部８に冷媒導入パイ
プ２の管端を密挿し、末端を内向きバーリング部８の内
端開口部８ａからタンク５の内方へ向け突出する。At the center of the top plate 6a of the tank 5, that is, at the center of the top plate 6a of the upper tank 6, a cylindrical inward burring portion 8 is provided, and the pipe end of the refrigerant introduction pipe 2 is connected to the inward burring portion 8. The burring portion 8 is closely inserted, and the end projects from the inner end opening 8a of the inward burring portion 8 toward the inside of the tank 5.
【００１７】図２に示すように、上記内向きバーリング
部８に密挿される冷媒導入パイプ２の管端外周面にはろ
う材誘導溝９を罫書き等にて形成しておき、上記バーリ
ング部８内への密挿を図る。As shown in FIG. 2, a brazing material guiding groove 9 is formed in the outer peripheral surface of the pipe end of the refrigerant introduction pipe 2 which is closely inserted into the inward burring portion 8 by scribing or the like. 8 to be tightly inserted.
【００１８】上記ろう材誘導溝９は冷媒導入パイプ２の
母線方向に沿って延び同パイプ２の外周面において開放
され、且つ同誘導溝９内端がパイプ２の管端面でタンク
５内に開放し、同誘導溝９外端が上記バーリング部８の
外端開口部８ｂ以遠に達しパイプ外周面において終端す
る。このろう材誘導溝９の終端部を端末に向かって収斂
せる三角形にする。The brazing material guide groove 9 extends along the generatrix direction of the refrigerant introduction pipe 2 and is opened on the outer peripheral surface of the pipe 2, and the inner end of the guide groove 9 is opened into the tank 5 at the pipe end face of the pipe 2. Then, the outer end of the guide groove 9 reaches beyond the outer end opening 8b of the burring portion 8 and terminates on the outer peripheral surface of the pipe. The end portion of the brazing material guiding groove 9 is formed into a triangle that converges toward the terminal.
【００１９】図２Ａ等に示すように、上記ろう材誘導溝
９を冷媒導入パイプ２の管端の母線上に単一条形成す
る。又は図５Ａに示すように、冷媒導入パイプ２の管端
の外周面の母線上に周方向へ等間隔に複数条形成する。As shown in FIG. 2A and the like, the brazing material guide groove 9 is formed in a single line on the bus bar at the pipe end of the refrigerant introduction pipe 2. Alternatively, as shown in FIG. 5A, a plurality of strips are formed at equal intervals in the circumferential direction on a generatrix of the outer peripheral surface of the pipe end of the refrigerant introduction pipe 2.
【００２０】図２Ａ，Ｂに示すように、上記バーリング
部８に密挿した冷媒導入パイプ２にろう材リング１０を
外挿しつつ、上記バーリング部８の外端開口部８ｂの周
縁に配置する。As shown in FIGS. 2A and 2B, a brazing filler metal ring 10 is externally inserted into the refrigerant introduction pipe 2 closely inserted into the burring portion 8 and is disposed at the outer edge of the outer end opening 8b of the burring portion 8.
【００２１】上記ろう材誘導溝９の外端はパイプ管端の
密挿時に上記の通りバーリング部８の外端開口部８ｂ以
遠に達しパイプ外周面において終端する長さを有し、ろ
う材リング１０の内周面に接しつつリング１０の外側環
状面から延出する長さに設定する。９ｂは該ろう材誘導
溝９外端の延出部を示す。The outer end of the brazing material guiding groove 9 has a length reaching beyond the outer end opening 8b of the burring portion 8 and terminating at the outer peripheral surface of the pipe when the pipe end is closely inserted, as described above. The length is set to extend from the outer annular surface of the ring 10 while being in contact with the inner peripheral surface of the ring 10. 9b denotes an extension of the outer end of the brazing material guiding groove 9.
【００２２】他方ろう材誘導溝９の内端はパイプ２の密
挿時にバーリング部８の内端開口部８ａ以遠に達しバー
リング部８の内端面から延出している。９ａは該ろう材
誘導溝９の内端の延出部を示す。On the other hand, the inner end of the brazing material guiding groove 9 reaches beyond the inner end opening 8a of the burring portion 8 when the pipe 2 is closely inserted, and extends from the inner end surface of the burring portion 8. Reference numeral 9a denotes an extension of the inner end of the brazing material guiding groove 9.
【００２３】斯して上記ろう材リング１０を熱溶融し、
図３、図４、図５Ｂに示すように、溶融ろう材１０′を
上記ろう材誘導溝９内の全長に亘って毛管作用により誘
導すると共に、該ろう材誘導溝９によって誘導されたろ
う材１０′を上記パイプ密挿部界面に浸透させ、バーリ
ング部８の内端開口部８ａ周縁から外端開口部８ｂ周縁
に亘り冷媒導入パイプ２をろう付けする。Thus, the brazing material ring 10 is melted by heat,
As shown in FIGS. 3, 4 and 5B, the molten brazing material 10 'is guided by capillary action over the entire length in the brazing material guiding groove 9, and the brazing material 10 guided by the brazing material guiding groove 9 is formed. ′ Is permeated into the interface of the pipe tightly inserted portion, and the refrigerant introduction pipe 2 is brazed from the periphery of the inner end opening 8a of the burring portion 8 to the periphery of the outer end opening 8b.
【００２４】斯くして上記ろう材１０′はパイプ２の管
端外周面とバーリング部８の内周面との界面に浸透して
界面浸透部１０ａ′を形成し同所においてろう付けする
と共に、バーリング部８の外端開口部８ｂ周縁とこれに
対応するパイプ管端外周面間の環状角隅部に外端ろう材
盛り上がり部１０ｂ′を形成して隅肉ろう付けを図る。
ろう材リング１０の環状外側面から延出せる溝外端延出
部９ｂにより上記ろう材１０′を誘導することによって
上記外端ろう材盛り上がり部１０ｂ′を活性的に形成す
る。Thus, the brazing material 10 'permeates the interface between the outer peripheral surface of the pipe end of the pipe 2 and the inner peripheral surface of the burring portion 8 to form an interface permeated portion 10a' and braze at the same place. An outer end brazing material bulging portion 10b 'is formed at an annular corner between the outer peripheral edge of the outer end opening 8b of the burring portion 8 and the outer peripheral surface of the pipe pipe end to braze the fillet.
The brazing material 10 'is guided by the groove outer end extending portion 9b which can be extended from the annular outer surface of the brazing material ring 10, whereby the outer end brazing material raised portion 10b' is actively formed.
【００２５】同時にバーリング部８の内端開口部８ａ周
縁、即ちバーリング部８の内端面とこれに対応するパイ
プ管端外周面間の環状角隅部に内端ろう材盛り上がり部
１０ｃ′を形成して隅肉ろう付けを図る。上記バーリン
グ部８の内端面から内方へ突出する溝内端延出部９ａに
より上記ろう材１０′を誘導することによって上記内端
ろう材盛り上がり部１０ｃ′を活性的に形成する。At the same time, an inner end brazing portion 10c 'is formed at the periphery of the inner end opening 8a of the burring portion 8, that is, at an annular corner between the inner end surface of the burring portion 8 and the corresponding outer peripheral surface of the pipe pipe end. And braze the fillet. The brazing material 10 ′ is guided by the groove inner end extending portion 9 a protruding inward from the inner end surface of the burring portion 8, thereby actively forming the inner end brazing material raised portion 10 c ′.
【００２６】併せて図４、図５Ｂに示すように、誘導溝
９内に浸透せる溝込めろう材１０ｄ′により冷媒導入パ
イプ２と内向きバーリング部８とをキー接合して接合強
度を向上をする。Also, as shown in FIGS. 4 and 5B, the coolant introduction pipe 2 and the inward burring portion 8 are key-joined by the brazing filler metal 10d 'which can penetrate into the guide groove 9 to improve the joining strength. I do.
【００２７】以上説明したろう付け法はアキュームレー
ターの低圧冷媒導出パイプ４のろう付け法に適用され
る。この場合前記冷媒導入パイプ２を冷媒導出パイプ４
と読み代え図１における外向きバーリング部を内向きバ
ーリング部に置き換える。The brazing method described above is applied to the brazing method for the low-pressure refrigerant outlet pipe 4 of the accumulator. In this case, the refrigerant introduction pipe 2 is connected to a refrigerant discharge pipe 4
The outward burring portion in FIG. 1 is replaced with an inward burring portion.
【００２８】又以上説明したろう付け法はレシーバーの
高圧冷媒導入パイプ又は高圧冷媒導出パイプのろう付け
法として適用できる。従って前記冷媒導入パイプ２は冷
媒導入又は導出パイプ２と読み代える。The brazing method described above can be applied as a brazing method for a high-pressure refrigerant introduction pipe or a high-pressure refrigerant discharge pipe of a receiver. Therefore, the refrigerant introduction pipe 2 is replaced with the refrigerant introduction or discharge pipe 2.
【００２９】[0029]
【発明の効果】この発明によれば上記冷媒導入又は導出
パイプの管端外周面とバーリング部内周面の界面全域に
亘るろう材の浸透を促進して健全なるろう付けを図るこ
とができる。加えて外端ろう材盛り上がり部と内端ろう
材盛り上がり部とを充分に形成して気密性と接合強度の
双方において高信頼のろう付けが図られる。According to the present invention, it is possible to promote the penetration of the brazing material over the entire interface between the outer peripheral surface of the pipe end of the refrigerant introduction or discharge pipe and the inner peripheral surface of the burring portion to achieve sound brazing. In addition, the protruding portion of the outer end brazing material and the protruding portion of the inner end brazing material are sufficiently formed, so that brazing with high reliability in both airtightness and joining strength is achieved.
【図１】冷媒導入パイプをバーリング部に密挿したろう
付け前の状態を示すアキュームレーターの断面図。FIG. 1 is a cross-sectional view of an accumulator showing a state before brazing in which a refrigerant introduction pipe is closely inserted into a burring portion.
【図２】（Ａ）はろう材リングを配置した状態を示す上
記アキュームレーターの拡大縦断面図、（Ｂ）は同拡大
縦断面図。FIG. 2A is an enlarged vertical sectional view of the accumulator showing a state where a brazing filler metal ring is arranged, and FIG. 2B is an enlarged vertical sectional view of the same.
【図３】上記ろう材リングを溶融し冷媒導入パイプをろ
う付けした状態を示す上記アキュームレーターの要部縦
断面図。FIG. 3 is a longitudinal sectional view of a main part of the accumulator, showing a state where the brazing material ring is melted and a refrigerant introduction pipe is brazed.
【図４】図３における横断面図。FIG. 4 is a transverse sectional view in FIG. 3;
【図５】（Ａ）はろう材誘導溝の他例を示す冷媒導入パ
イプの横断面図、（Ｂ）は同パイプのろう付け状態を示
す横断面図。FIG. 5A is a cross-sectional view of a refrigerant introduction pipe showing another example of a brazing material guide groove, and FIG. 5B is a cross-sectional view showing a brazing state of the pipe.
【図６】従来のろう付け法によって冷媒導入パイプをア
キュームレーターのタンクにろう付けした状態を示す要
部縦断面図。FIG. 6 is a longitudinal sectional view of a main part showing a state where a refrigerant introduction pipe is brazed to a tank of an accumulator by a conventional brazing method.
１ アキュームレーター ２ 冷媒導入パイプ ３ フィルター ４ 冷媒導出パイプ ５ タンク ６ 上部タンク ６ａ 頂板 ７ 下部タンク ７ａ 底板 ８ 内向きバーリング部 ８ａ 内端開口部 ８ｂ 外端開口部 ９ ろう材誘導溝 ９ａ 溝内端延出部 ９ｂ 溝外端延出部 １０ ろう材リング １０′ 溶融ろう材 １０ａ′ 界面浸透部 １０ｂ′ 外端盛り上がり部 １０ｃ′ 内端盛り上がり部 １０ｄ′ 溝込めろう材 １１ 冷媒圧縮機 １２ 低圧入口 DESCRIPTION OF SYMBOLS 1 Accumulator 2 Refrigerant introduction pipe 3 Filter 4 Refrigerant discharge pipe 5 Tank 6 Upper tank 6a Top plate 7 Lower tank 7a Bottom plate 8 Inward burring part 8a Inner end opening part 8b Outer end opening part 9 Brazing filler material guiding groove 9a Groove inner end extension Outgoing portion 9b Groove outer end extension portion 10 Brazing filler metal ring 10 'Molten brazing material 10a' Interface penetration portion 10b 'Outer end rising portion 10c' Inner end rising portion 10d 'Grooving brazing material 11 Refrigerant compressor 12 Low pressure inlet
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） // Ｂ２３Ｋ 101:14 Ｂ２３Ｋ 101:14 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) // B23K 101: 14 B23K 101: 14
Claims (3)
ー又はレシーバーのタンクに内向きバーリング部を設
け、該内向きバーリング部内に冷媒導入又は導出パイプ
の管端を密挿し、ろう材リングを該冷媒導入又は導出パ
イプに外挿しつつ上記バーリング部の外端開口部の周縁
に配し、該ろう材リングを溶融して上記冷媒導入又は導
出パイプの管端外周面を上記バーリング部内周面にろう
付けする方法において、上記冷媒導入又は導出パイプの
管端外周面にパイプ母線方向に延び且つ内端が同パイプ
の管端面でタンク内に開放し外端が上記バーリング部の
外端開口部以遠に達しパイプ外周面において終端するろ
う材誘導溝を形成し、該ろう材誘導溝内に上記溶融ろう
材を毛管作用により誘導すると共に、該ろう材誘導溝に
よって誘導されたろう材を上記パイプ密挿部界面に浸透
させ上記ろう付けを図ることを特徴とする冷暖房装置に
おけるアキュームレーター又はレシーバーの冷媒導入又
は導出パイプのろう付け方法。An inward burring portion is provided in a tank of an accumulator or a receiver attached to a refrigerant compressor, a pipe end of a refrigerant introduction or discharge pipe is closely inserted into the inward burring portion, and a brazing filler metal ring is connected to the refrigerant. It is arranged on the periphery of the outer end opening of the burring portion while being extrapolated to the introduction or discharge pipe, and the brazing material ring is melted and the outer peripheral surface of the pipe end of the refrigerant introduction or discharge pipe is brazed to the inner peripheral surface of the burring portion. In the method, the refrigerant introduction or discharge pipe extends in the pipe generative direction on the outer peripheral surface of the pipe end, the inner end is opened into the tank at the pipe end surface of the pipe, and the outer end reaches farther than the outer end opening of the burring portion. A brazing material guide groove that terminates on the outer peripheral surface of the pipe is formed, and the molten brazing material is guided by capillary action in the brazing material guiding groove, and a filter guided by the brazing material guiding groove. Brazing method for an accumulator or a refrigerant introduction or derivation pipe of the receiver in the air conditioner, characterized in that to achieve the brazing timber to penetrate the said pipes tightly inserting portion interface.
接する領域に達し且つろう材リングの外側環状面から延
出していることを特徴とする請求項１記載の冷暖房装置
におけるアキュームレーター又はレシーバーの冷媒導入
又は導出パイプのろう付け方法。2. The accumulator according to claim 1, wherein an outer end of the brazing material guiding groove reaches a region where the brazing material ring is in contact with the brazing material ring and extends from an outer annular surface of the brazing material ring. Or a method for brazing a refrigerant introduction or discharge pipe of a receiver.
記内向きバーリング部の内端開口部からタンクの内方へ
向け突出したことを特徴とする請求項１記載の冷暖房装
置におけるアキュームレーター又はレシーバーの冷媒導
入又は導出パイプのろう付け方法。3. The accumulator or air accumulator according to claim 1, wherein a pipe end face of said refrigerant introduction or discharge pipe projects from an inner end opening of said inward burring portion toward the inside of the tank. A method for brazing a refrigerant inlet or outlet pipe of a receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000299830A JP3484154B2 (en) | 2000-09-29 | 2000-09-29 | Brazing method for refrigerant inlet or outlet pipe of accumulator or receiver in air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000299830A JP3484154B2 (en) | 2000-09-29 | 2000-09-29 | Brazing method for refrigerant inlet or outlet pipe of accumulator or receiver in air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002103030A true JP2002103030A (en) | 2002-04-09 |
| JP3484154B2 JP3484154B2 (en) | 2004-01-06 |
Family
ID=18781584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000299830A Expired - Fee Related JP3484154B2 (en) | 2000-09-29 | 2000-09-29 | Brazing method for refrigerant inlet or outlet pipe of accumulator or receiver in air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3484154B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010223571A (en) * | 2009-02-27 | 2010-10-07 | Hitachi Appliances Inc | Air conditioner, fluid drill for forming tube seat of refrigerant amount regulator for air conditioner, and method of processing tube seat |
| FR2975488A1 (en) * | 2011-05-19 | 2012-11-23 | Ngk Spark Plug Co | SENSOR |
| JP2014087822A (en) * | 2012-10-30 | 2014-05-15 | Calsonic Kansei Corp | Coupling structure and coupling method for metal member |
| JP2015006691A (en) * | 2013-05-30 | 2015-01-15 | カルソニックカンセイ株式会社 | Brazing junction structure and brazing junction method |
| WO2019031186A1 (en) * | 2017-08-10 | 2019-02-14 | アイシン・エィ・ダブリュ工業株式会社 | Hydraulic power transmission device and method for manufacturing same |
-
2000
- 2000-09-29 JP JP2000299830A patent/JP3484154B2/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010223571A (en) * | 2009-02-27 | 2010-10-07 | Hitachi Appliances Inc | Air conditioner, fluid drill for forming tube seat of refrigerant amount regulator for air conditioner, and method of processing tube seat |
| FR2975488A1 (en) * | 2011-05-19 | 2012-11-23 | Ngk Spark Plug Co | SENSOR |
| JP2012255764A (en) * | 2011-05-19 | 2012-12-27 | Ngk Spark Plug Co Ltd | Sensor |
| US8801278B2 (en) | 2011-05-19 | 2014-08-12 | Ngk Spark Plug Co., Ltd. | Temperature sensor having a flow path for a brazing filler to flow between an outer surface of the tube and an inner surface of the mounting structure |
| JP2014087822A (en) * | 2012-10-30 | 2014-05-15 | Calsonic Kansei Corp | Coupling structure and coupling method for metal member |
| JP2015006691A (en) * | 2013-05-30 | 2015-01-15 | カルソニックカンセイ株式会社 | Brazing junction structure and brazing junction method |
| WO2019031186A1 (en) * | 2017-08-10 | 2019-02-14 | アイシン・エィ・ダブリュ工業株式会社 | Hydraulic power transmission device and method for manufacturing same |
| JPWO2019031186A1 (en) * | 2017-08-10 | 2020-03-26 | アイシン・エィ・ダブリュ工業株式会社 | Fluid power transmission device and method of manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3484154B2 (en) | 2004-01-06 |
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