JP5774329B2 - Hose attachment - Google Patents

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JP5774329B2
JP5774329B2 JP2011038300A JP2011038300A JP5774329B2 JP 5774329 B2 JP5774329 B2 JP 5774329B2 JP 2011038300 A JP2011038300 A JP 2011038300A JP 2011038300 A JP2011038300 A JP 2011038300A JP 5774329 B2 JP5774329 B2 JP 5774329B2
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cooling system
reserve tank
vehicle
coolant
liquid
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JP2012172643A (en
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永井　健之
健之 永井
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MK Seiko Co Ltd
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Description

本発明は、車両用エンジン冷却システムから冷却液を回収し、再生した冷却液もしくは新液を車両用エンジン冷却システムに供給する車両用冷却液処理装置を、車両用エンジン冷却システムに介装するホースアタッチメントに関するものである。   The present invention relates to a hose for interposing a vehicular coolant processing apparatus for recovering a coolant from a vehicular engine cooling system and supplying the regenerated cooling liquid or new liquid to the vehicular engine cooling system in the vehicular engine cooling system. It is about attachment.

近年、完全密閉式冷却システムを採用した車両が増えてきている。完全密閉式冷却システムは、リザーブタンクにラジエータキャップを設けて、リザーブタンクにも圧力のかかる構造として大気を遮断し、冷却水路を完全に密封したものであり、リザーブタンクを冷却水路の一部として全冷却水を常に循環させることにより外気との接触をなくして、蒸発による冷却水の減少や大気接触による劣化を防止することができる。   In recent years, an increasing number of vehicles employ completely sealed cooling systems. The complete hermetic cooling system is a structure in which the reserve tank is provided with a radiator cap, the atmosphere is shut off as a structure that also applies pressure to the reserve tank, and the cooling water channel is completely sealed. The reserve tank is used as part of the cooling water channel By constantly circulating all the cooling water, it is possible to eliminate contact with the outside air, thereby preventing the cooling water from being reduced due to evaporation and deterioration due to atmospheric contact.

このような完全密閉式冷却システムから冷却液を回収する装置として、特許文献１が提案されている。特許文献１は、新液注入パイプの内側に旧液吸い込みパイプを備え、旧液吸い込みパイプの先端部を新液注入パイプの先端部よりも突出させた２重筒構造の交換用治具を用い、リザーブタンクのラジエータキャップと差し替えて連結キャップにより接続して、新液の注入と旧液の抜出を行うものである。   Patent document 1 is proposed as an apparatus which collect | recovers a cooling fluid from such a complete hermetic cooling system. Patent Document 1 uses a replacement jig having a double cylinder structure in which an old liquid suction pipe is provided inside a new liquid injection pipe, and the tip of the old liquid suction pipe protrudes from the tip of the new liquid injection pipe. It replaces the radiator cap of the reserve tank and is connected by a connecting cap to inject new liquid and extract old liquid.

ところで、完全密閉式冷却システムに用いられるリザーブタンクは、耐圧強度の確保と気液分離性能の向上のため、内部が複数の隔壁によって縦横に区画されている。また、このリザーブタンクは、ラジエータからの冷却液の流れや他部品との干渉を考慮してエンジンルーム内の限られた組付けスペースに配置されていることが多く、タンク底部に他部品を回避するための形状部を形成する場合がある。このため、リザーブタンクのラジエータキャップ位置とタンク底部の最深部とが長手方向にずれていると、従来の交換用治具では、旧液吸い込みパイプの先端部がタンク底部に届かずに残液が残るという問題があった。   By the way, the reserve tank used for the complete hermetic cooling system has its inside divided vertically and horizontally by a plurality of partition walls in order to ensure pressure resistance and improve gas-liquid separation performance. In addition, this reserve tank is often placed in a limited installation space in the engine room in consideration of the coolant flow from the radiator and interference with other parts, avoiding other parts at the bottom of the tank. In some cases, a shape portion is formed. For this reason, if the radiator cap position of the reserve tank and the deepest part of the tank bottom are displaced in the longitudinal direction, with the conventional replacement jig, the tip of the old liquid suction pipe does not reach the tank bottom, and residual liquid is generated. There was a problem of remaining.

特許第４４９０１８５号公報Japanese Patent No. 4490185

そこで本発明は、完全密閉式冷却システムのリザーブタンクに接続して、冷却液の回収を行うとき、リザーブタンクのラジエータキャップ位置とタンク底部の最深部とが長手方向にずれて配置されているリザーブタンクに対しても確実に冷却液の回収が行えるホースアタッチメントを提供するものである。   Accordingly, the present invention provides a reserve tank in which the radiator cap position of the reserve tank and the deepest part of the tank bottom are shifted in the longitudinal direction when the coolant is collected by connecting to the reserve tank of the completely enclosed cooling system. The present invention provides a hose attachment that can reliably collect coolant even in a tank.

このような課題を解決するため本発明は、車両用エンジン冷却システムから冷却液を回収し、再生した冷却液もしくは新液を車両用エンジン冷却システムに供給する車両用冷却液処理装置を、車両用エンジン冷却システムの密閉式リザーブタンクのアッパーホースとインレットとの間に介装するホースアタッチメントであって、一端に前記車両用冷却液処理装置の旧液回収管路が接続され、他端に車両用エンジン冷却システムの密閉式リザーブタンクのアッパーホースが接続される回収接続管路と、一端に前記車両用冷却液処理装置の新液供給管路が接続され、他端に車両用エンジン冷却システムの密閉式リザーブタンクのインレットが接続される供給接続管路と、前記回収接続管路と供給接続管路とを連通する循環管路を一体形成し、前記循環管路に新液供給接続管路から旧液回収接続管路への流れを止める逆止弁を設けたものである。 In order to solve such a problem, the present invention provides a vehicle coolant processing apparatus that recovers coolant from a vehicle engine cooling system and supplies the regenerated coolant or new liquid to the vehicle engine cooling system. A hose attachment interposed between an upper hose and an inlet of a closed type reserve tank of an engine cooling system , wherein an old liquid recovery pipeline of the vehicle coolant processing apparatus is connected to one end and a vehicle a recovery connection conduit upper hose Ru is connected in sealed reserve tank of the engine cooling system, fresh liquid supply line of the vehicle for cooling fluid processing device at one end is connected, sealing of the engine cooling system for a vehicle on the other end inlet and the supply connection pipe that will be connected in formula reserve tank, the recovery connection conduit between the supply connection pipe to integrally form a circulation pipe which communicates said In the ring line from the new liquid supply connecting line is provided with a check valve for stopping the flow of the old liquid collecting connection conduit.

本発明のホースアタッチメントによれば、完全密閉式冷却システムのリザーブタンクに接続して、冷却液の回収を行うとき、リザーブタンクのラジエータキャップ位置とタンク底部の最深部とが長手方向にずれて配置されているリザーブタンクに対しても確実に冷却液の回収が行える。また、ホースアタッチメントの回収接続管路と供給接続管路とを連通する循環管路に逆止弁を設け、供給接続管路から回収接続管路への流れを止めたので、抜取時にはリザーブタンクからエアが引き込まれることを防止することができ、注入時にはラジエータへの逆流を防止することができる。   According to the hose attachment of the present invention, when the coolant is collected by connecting to the reserve tank of the complete hermetic cooling system, the radiator cap position of the reserve tank and the deepest part of the tank bottom are arranged shifted in the longitudinal direction. The coolant can be reliably recovered from the reserved tank. In addition, a check valve is provided in the circulation line that connects the recovery connection line of the hose attachment and the supply connection line, and the flow from the supply connection line to the recovery connection line is stopped. Air can be prevented from being drawn in, and backflow to the radiator can be prevented during injection.

車両用冷却液処理装置とホースアタッチメントを示す概略図である。It is the schematic which shows the coolant processing apparatus for vehicles, and a hose attachment. 車両用エンジン冷却システムに接続した状態を示す説明図である。It is explanatory drawing which shows the state connected to the engine cooling system for vehicles. 処理動作における循環状態を示す説明図である。It is explanatory drawing which shows the circulation state in processing operation. 処理動作における旧液抜き取り状態を示す説明図である。It is explanatory drawing which shows the old liquid extraction state in processing operation. 処理動作における新液注入状態を示す説明図である。It is explanatory drawing which shows the new liquid injection | pouring state in processing operation. 吸込注入ノズルを用いた処理動作を示す説明図である。It is explanatory drawing which shows the processing operation using a suction injection | pouring nozzle.

以下、図に基づき本発明の実施態様について説明する。図１において、１は処理装置本体で、車両用エンジン冷却システム２から旧液を回収する回収管路３と、車両用エンジン冷却システム２に新液を供給する供給管路４を延出している。回収管路３には、吸込ポンプ５と旧液貯留タンク６が接続されており、冷却システム２から回収した旧液を旧液貯留タンク６に貯留する。供給管路４には、注入ポンプ７と新液タンク８が接続されており、新液タンク８の新液を冷却システム２に供給する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. In FIG. 1, reference numeral 1 denotes a processing apparatus main body, which extends a recovery line 3 for recovering old liquid from the vehicle engine cooling system 2 and a supply line 4 for supplying new liquid to the vehicle engine cooling system 2. . A suction pump 5 and an old liquid storage tank 6 are connected to the recovery pipe 3, and the old liquid recovered from the cooling system 2 is stored in the old liquid storage tank 6. An injection pump 7 and a new liquid tank 8 are connected to the supply line 4, and the new liquid in the new liquid tank 8 is supplied to the cooling system 2.

９は制御装置で、操作パネル１０からの指令に基づき、吸込ポンプ５と注入ポンプ７とを制御する。操作パネル１０は、各処理コース別に設けられたキー類が配置され、旧液の抜取を行うときに操作する抜取キー、新液を注入するときに操作する注入キー、処理コースをスタートするスタートキー、コース実行を中断するストップキー等が備えられている。   A control device 9 controls the suction pump 5 and the infusion pump 7 based on a command from the operation panel 10. The operation panel 10 is provided with keys provided for each processing course, an extraction key that is operated when the old liquid is extracted, an injection key that is operated when a new liquid is injected, and a start key that starts the processing course. A stop key for interrupting course execution is provided.

回収管路３及び供給管路４の先端には、それぞれ雌カプラ１１及び雄カプラ１２が設けられ、吸込注入ノズル１３とホースアタッチメント１４とのいずれか一方が、冷却システム２の形態に応じて選択的に接続される。   A female coupler 11 and a male coupler 12 are provided at the distal ends of the recovery pipe line 3 and the supply pipe line 4, respectively, and either the suction injection nozzle 13 or the hose attachment 14 is selected according to the form of the cooling system 2. Connected.

吸込注入ノズル１３は、冷却システム２のラジエータキャップもしくはリザーブタンクキャップと差し替えて接続されるもので、同心状の２重筒構造で形成されており、内筒が旧液吸込パイプ１５として使用され、外筒が新液注入パイプ１６として使用される。また、吸込注入ノズル１３は、回収管路３の雌カプラ１１と接続する雄カプラ１７と、供給管路４の雄カプラ１２と接続する雌カプラ１８とを備え、雄カプラ１７に旧液吸込パイプ１５が連通し、雌カプラ１８に新液注入パイプ１６が連通している。旧液吸込パイプ１５の先端部は、新液注入パイプ１６の先端部よりも突出する長さで構成されており、リザーブタンクに接続したときにタンク内底部から旧液を吸い込むことができるようになっている。新液注入パイプ１６の先端部には、連結キャップ１９が設けられ、ラジエタキャップもしくはリザーブタンクキャップと差し替えて吸込注入ノズル１３を開口部に螺着固定できるようになっている。   The suction injection nozzle 13 is connected to the radiator cap or the reserve tank cap of the cooling system 2 and is connected with a concentric double cylinder structure, and the inner cylinder is used as the old liquid suction pipe 15. An outer cylinder is used as the new liquid injection pipe 16. The suction injection nozzle 13 includes a male coupler 17 connected to the female coupler 11 of the recovery pipe 3 and a female coupler 18 connected to the male coupler 12 of the supply pipe 4. The old liquid suction pipe is connected to the male coupler 17. 15 communicates with the female coupler 18 and the new liquid injection pipe 16 communicates with the female coupler 18. The tip of the old liquid suction pipe 15 has a length protruding from the tip of the new liquid injection pipe 16 so that the old liquid can be sucked from the bottom of the tank when connected to the reserve tank. It has become. A connection cap 19 is provided at the tip of the new liquid injection pipe 16 so that the suction injection nozzle 13 can be screwed and fixed to the opening by replacing it with a radiator cap or a reserve tank cap.

ホースアタッチメント１４は、リザーブタンクのインレットからアッパーホースを外し、インレットとアッパーホースの間に介装されるもので、装置本体１の回収管路３とリザーブタンクのアッパーホースとを連通する回収接続管路２０と、装置本体１の供給管路４とリザーブタンクのインレットとを連通する供給接続管路２１と、回収接続管路２０と供給接続管路２１とを連通する循環管路２２とから構成されている。回収接続管路２０は、一端に回収管路３先端の雌カプラ１１と接続する雄カプラ２３を備え、他端にアッパーホースと接続する接続口２４を備えている。供給接続管路２１は、一端に供給管路４先端の雄カプラ１２と接続する雌カプラ２５を備え、他端にリザーブタンクのインレットと接続するホース２６を備えている。循環管路２２は、供給接続管路２１から回収接続管路２０への流路を遮断する逆止弁２７が設けられ、ホースアタッチメント１４内でリザーブタンクのアッパーホースからリザーブタンクのインレットに流れる流路が形成される。   The hose attachment 14 removes the upper hose from the inlet of the reserve tank, and is interposed between the inlet and the upper hose. The hose attachment 14 connects the recovery line 3 of the apparatus main body 1 and the upper hose of the reserve tank. It comprises a passage 20, a supply connection line 21 that communicates the supply line 4 of the apparatus body 1 and the inlet of the reserve tank, and a circulation line 22 that communicates the recovery connection line 20 and the supply connection line 21. Has been. The recovery connection pipe 20 includes a male coupler 23 connected to the female coupler 11 at the tip of the recovery pipe 3 at one end, and a connection port 24 connected to the upper hose at the other end. The supply connection pipe 21 is provided with a female coupler 25 connected to the male coupler 12 at the tip of the supply pipe 4 at one end and a hose 26 connected to the inlet of the reserve tank at the other end. The circulation line 22 is provided with a check valve 27 for blocking the flow path from the supply connection line 21 to the recovery connection line 20, and the flow flowing from the upper hose of the reserve tank to the inlet of the reserve tank in the hose attachment 14. A path is formed.

さて、このように構成する車両用冷却液処理装置による密閉式冷却システムの冷却液処理方法について図２〜５を用いて説明していく。
まず、処理する密閉式冷却システム２について触れると、この冷却システム２は、エンジンＥ・ラジエータＲ・リザーブタンクＴを備え、エンジンＥとラジエータＲとを繋ぐ配管上にウォーターポンプＰ・サーモスタット弁Ｖを備えている。ラジエータＲは、左右にラジエタ室を有するクロスフロー型に形成し、ラジエタ室とエンジンＥが配管され、ラジエタ室の上部とリザーブタンクＴが配管されている。エンジンＥの起動により、冷却液が温まるとサーモスタット弁Ｖが開放し、ウォーターポンプＰによりエンジンＥとラジエータＲ、ラジエータＲとリザーブタンクＴに冷却液が循環するものである。 Now, a cooling liquid processing method of the hermetic cooling system by the vehicle cooling liquid processing apparatus configured as described above will be described with reference to FIGS.
First, touching on the closed cooling system 2 to be treated, the cooling system 2 includes an engine E, a radiator R, and a reserve tank T, and a water pump P and a thermostat valve V are installed on a pipe connecting the engine E and the radiator R. I have. The radiator R is formed in a cross flow type having a radiator chamber on the left and right sides, the radiator chamber and the engine E are piped, and the upper part of the radiator chamber and the reserve tank T are piped. When the coolant is warmed by starting the engine E, the thermostat valve V is opened, and the coolant is circulated to the engine E and the radiator R, the radiator R and the reserve tank T by the water pump P.

こうした冷却システム２の冷却液を交換する場合、まず、準備作業として、カプラ１１とカプラ２３とを連結して処理装置１の回収管路３とホースアタッチメント１４の回収接続管路２０を接続するとともに、カプラ１２とカプラ２５とを連結して処理装置１の供給管路４とホースアタッチメント１４の供給接続管路２１を接続する。次に、リザーブタンクＴのインレットＩからアッパーホースＵを外し、アッパーホースＵをホースアタッチメント１４の回収接続管路２０の接続口２４に接続するとともに、ホースアタッチメント１４の供給接続管路２１のホース２６をリザーブタンクのインレットＩに接続して準備完了となる（図２）。   When exchanging the coolant of the cooling system 2, first, as a preparatory work, the coupler 11 and the coupler 23 are connected to connect the recovery pipe 3 of the processing apparatus 1 and the recovery connection pipe 20 of the hose attachment 14. The coupler 12 and the coupler 25 are connected to connect the supply line 4 of the processing apparatus 1 and the supply connection line 21 of the hose attachment 14. Next, the upper hose U is removed from the inlet I of the reserve tank T, and the upper hose U is connected to the connection port 24 of the recovery connection line 20 of the hose attachment 14 and the hose 26 of the supply connection line 21 of the hose attachment 14. Is connected to the inlet I of the reserve tank to complete the preparation (FIG. 2).

接続作業が完了したら、車両エンジンＥを起動して暖機する。エンジンＥが暖機されてサーモスタット弁Ｖが開放すると、冷却システム２内に冷却液が循環し、ラジエータＲからホースアタッチメント１４の循環管路２２を通じてリザーブタンクＴに流入する流路が形成される（図３）。   When the connection work is completed, the vehicle engine E is started to warm up. When the engine E is warmed up and the thermostat valve V is opened, the coolant circulates in the cooling system 2 and a flow path is formed from the radiator R to the reserve tank T through the circulation line 22 of the hose attachment 14 ( FIG. 3).

この状態から、吸込ポンプ５を起動して抜取工程を開始すると、冷却システム２内の旧液がホースアタッチメント１４の回収接続管路２０から処理装置１の回収管路３に引き込まれ、貯留タンク６内に貯留される。この際、ホースアタッチメント１４の循環管路２２に設けた逆止弁２７によって、リザーブタンクＴのインレットＩからエアが引き込まれることが防止される（図４）。   In this state, when the suction pump 5 is started and the extraction process is started, the old liquid in the cooling system 2 is drawn from the recovery connection line 20 of the hose attachment 14 to the recovery line 3 of the processing apparatus 1, and the storage tank 6 Stored inside. At this time, the check valve 27 provided in the circulation line 22 of the hose attachment 14 prevents air from being drawn from the inlet I of the reserve tank T (FIG. 4).

貯留タンク６に所定量の冷却液が引き込まれると、吸込ポンプ５を停止して抜取工程を終了し、続いて注入ポンプ７を起動して注入工程を開始する。注入ポンプ７の起動により、新液タンク８の新液が処理装置１の供給管路４からホースアタッチメント１４の供給接続管路２１を通じてリザーブタンクＴに注入される。この際、ホースアタッチメント１４の循環管路２２に設けた逆止弁２７によって、ラジエータＲへの逆流が防止される（図５）。   When a predetermined amount of cooling liquid is drawn into the storage tank 6, the suction pump 5 is stopped to end the extraction process, and then the injection pump 7 is activated to start the injection process. When the injection pump 7 is activated, the new liquid in the new liquid tank 8 is injected from the supply line 4 of the processing apparatus 1 into the reserve tank T through the supply connection line 21 of the hose attachment 14. At this time, the backflow to the radiator R is prevented by the check valve 27 provided in the circulation line 22 of the hose attachment 14 (FIG. 5).

冷却システム２内に規定量の新液が供給されると、注入ポンプ７を停止して注入工程が終了する。処理終了後は、ホースアタッチメント１４からリザーブタンクのアッパーホースＵを外すとともに、リザーブタンクのインレットＩからホース２６を外し、リザーブタンクのアッパーホースＵをリザーブタンクのインレットＩに接続しなおして作業が終了となる。   When a prescribed amount of new liquid is supplied into the cooling system 2, the injection pump 7 is stopped and the injection process is completed. After the processing is completed, the upper hose U of the reserve tank is removed from the hose attachment 14, the hose 26 is removed from the inlet I of the reserve tank, the upper hose U of the reserve tank is connected to the inlet I of the reserve tank, and the operation is completed. It becomes.

尚、密閉式冷却システムの冷却液を交換するに当たり、吸込注入ノズル１３を用いて作業を行うこともできる。この場合、吸込注入ノズル１３に、処理装置１の回収管路３と供給管路４を接続し、ラジエータキャップを取り外して旧液吸込パイプ１５を挿入した後、連結キャップ１９で固定して装着される（図６）。   In addition, when exchanging the coolant of the hermetic cooling system, an operation can be performed using the suction injection nozzle 13. In this case, the recovery pipe 3 and the supply pipe 4 of the processing apparatus 1 are connected to the suction injection nozzle 13, the radiator cap is removed, the old liquid suction pipe 15 is inserted, and then fixed by the connection cap 19. (FIG. 6).

接続後は、吸込ポンプ５と注入ポンプ７を駆動して、旧液吸い込みパイプ１５を通じて旧液を貯留タンク６に吸い込み、新液貯留タンク１１から注入パイプ１６を通じて新液を送り込む。必要量の新液を注入したら、吸込ポンプ５と注入ポンプ７を停止し、連結キャップ１９を外して吸込注入ノズル１３を取り外し、ラジエータキャップを再装着する。   After the connection, the suction pump 5 and the injection pump 7 are driven, the old liquid is sucked into the storage tank 6 through the old liquid suction pipe 15, and the new liquid is sent from the new liquid storage tank 11 through the injection pipe 16. When the required amount of new liquid has been injected, the suction pump 5 and the injection pump 7 are stopped, the connection cap 19 is removed, the suction injection nozzle 13 is removed, and the radiator cap is remounted.

このように吸込注入ノズル１３を用いる場合には、リザーブタンクもしくはラジエータに設けられるラジエータキャップに吸込注入ノズル１３を装着する簡単な接続で作業が行え、エアの混入による交換不良がないというメリットがあるが、図６に示すように、リザーブタンクの形状が、タンク底部に他部品回避形状部を有していると、旧液吸込パイプ１５の先端がタンクの最深部まで届かないため、冷却システム内に旧液が残るという課題がある。このため、ラジエータキャップ位置とタンク最深部がずれていないリザーブタンクの場合には吸込注入ノズル１３を用い、ラジエータキャップ位置とタンク最深部がずれているリザーブタンクの場合にはホースアタッチメント１４を用いるというように、冷却システムの形態に応じて選択的に接続するのが好ましい実施態様となる。もちろん、リザーブタンクの形状に関わらず、ホースアタッチメント１４を用いて交換作業をしても問題はない。   When the suction injection nozzle 13 is used in this way, there is a merit that the work can be performed with a simple connection in which the suction injection nozzle 13 is attached to the radiator cap provided in the reserve tank or the radiator, and there is no exchange failure due to air mixing. However, as shown in FIG. 6, if the shape of the reserve tank has other parts avoiding shape part at the bottom of the tank, the tip of the old liquid suction pipe 15 does not reach the deepest part of the tank. However, there is a problem that the old liquid remains. For this reason, the suction injection nozzle 13 is used in the case of a reserve tank in which the radiator cap position and the tank deepest portion are not displaced, and the hose attachment 14 is used in the case of a reserve tank in which the radiator cap position and the tank deepest portion are displaced. Thus, it becomes a preferable embodiment to selectively connect according to the form of the cooling system. Of course, there is no problem even if the hose attachment 14 is used for the replacement work regardless of the shape of the reserve tank.

上記実施態様では、冷却システム２内の旧液を抜き取り、新液を注入する交換装置として説明したが、処理装置１の構成には特に限定がない。例えば、回収した旧液をろ過したり添加剤を加えたりして再生し冷却システムに戻す再生装置であってもよい。   In the said embodiment, although demonstrated as the replacement | exchange apparatus which extracts the old liquid in the cooling system 2 and inject | pours a new liquid, the structure of the processing apparatus 1 does not have limitation in particular. For example, it may be a regenerator that regenerates the recovered old liquid by filtering or adding an additive and returns it to the cooling system.

１ 処理装置本体
２ 冷却システム
３ 回収管路
４ 供給管路
５ 吸込ポンプ
６ 旧液貯留タンク
７ 注入ポンプ
８ 新液タンク
９ 制御装置
１０ 操作パネル
１３ 吸込注入ノズル
１４ ホースアタッチメント
２０ 回収接続管路
２１ 供給接続管路
２２ 循環管路
２７ 逆止弁 DESCRIPTION OF SYMBOLS 1 Processing apparatus main body 2 Cooling system 3 Collection | recovery pipeline 4 Supply pipeline 5 Suction pump 6 Old liquid storage tank 7 Injection pump 8 New liquid tank 9 Control device 10 Operation panel 13 Suction injection nozzle 14 Hose attachment 20 Recovery connection pipeline 21 Supply Connection line 22 Circulation line 27 Check valve

Claims (1)

車両用エンジン冷却システムから冷却液を回収し、再生した冷却液もしくは新液を車両用エンジン冷却システムに供給する車両用冷却液処理装置を、車両用エンジン冷却システムの密閉式リザーブタンクのアッパーホースとインレットとの間に介装するホースアタッチメントであって、
一端に前記車両用冷却液処理装置の旧液回収管路が接続され、他端に車両用エンジン冷却システムの密閉式リザーブタンクのアッパーホースが接続される回収接続管路と、一端に前記車両用冷却液処理装置の新液供給管路が接続され、他端に車両用エンジン冷却システムの密閉式リザーブタンクのインレットが接続される供給接続管路と、前記回収接続管路と供給接続管路とを連通する循環管路を一体形成し、前記循環管路に新液供給接続管路から旧液回収接続管路への流れを止める逆止弁を設けたことを特徴とするホースアタッチメント。 A vehicle coolant processing apparatus that recovers coolant from a vehicle engine cooling system and supplies the regenerated coolant or new liquid to the vehicle engine cooling system is provided with an upper hose of a sealed reserve tank of the vehicle engine cooling system. A hose attachment interposed between the inlet and
It is connected to the old liquid collecting pipe of the vehicle for cooling fluid processing device at one end, and the recovery connection conduit upper hose closed reserve tank of the engine cooling system for a vehicle Ru is connected to the other end, for the vehicle at one end connected new liquid supply pipe of the cooling fluid processing apparatus, a supply connection conduit inlet closed reserve tank of the engine cooling system for a vehicle Ru is connected to the other end, and the recovery connection conduit and the supply connection conduit A hose attachment in which a circulation line that communicates with each other is integrally formed, and a check valve that stops the flow from the new liquid supply connection line to the old liquid collection connection line is provided in the circulation line.
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