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1. EP3779347 - REFRIGERANT PIPE, HEAT EXCHANGER, AND METHOD FOR MANUFACTURING REFIGERANT PIPE

官庁 欧州特許庁(EPO)
出願番号 19774901
出願日 28.03.2019
公開番号 3779347
公開日 17.02.2021
公報種別 A1
IPC
F28F 19/02
F機械工学;照明;加熱;武器;爆破
28熱交換一般
F一般的な熱交換または熱伝達装置の細部
19沈積物の形成または腐食の予防,例.ろ過器を用いるもの
02被覆材,例.ガラスまたはエナメル被膜,の使用による
C23F 11/00
C化学;冶金
23金属質材料への被覆;金属質材料による材料への被覆;化学的表面処理;金属質材料の拡散処理;真空蒸着,スパッタリング,イオン注入法,または化学蒸着による被覆一般;金属質材料の防食または鉱皮の抑制一般
F機械方法によらない表面からの金属質材料の除去;金属質材料の防食;鉱皮の抑制一般;少なくとも一工程はクラスC23に分類され,少なくとも一工程はサブクラスC21DもしくはC22FまたはクラスC25に包含される金属質材料の表面処理の多段階工程
11腐食のおそれがある表面への抑制剤の適用または腐食媒体への抑制剤の添加による金属質材料の防食
F16L 58/10
F機械工学;照明;加熱;武器;爆破
16機械要素または単位;機械または装置の効果的機能を生じ維持するための一般的手段
L管;管の継ぎ手または取り付け具;管,ケーブルまたは保護管類の支持;熱絶縁手段一般
58腐食または湯垢に対する管または管取り付け具の保護
02内面または外面のコーティングによるもの
04使用された材料により特徴付けられるコーティング
10ゴムまたはプラスチックによるもの
F28F 21/08
F機械工学;照明;加熱;武器;爆破
28熱交換一般
F一般的な熱交換または熱伝達装置の細部
21特別の材料の選択に特徴のある熱交換装置の構造
08金属
CPC
C23F 11/10
CCHEMISTRY; METALLURGY
23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE
11Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
08in other liquids
10using organic inhibitors
C23F 11/128
CCHEMISTRY; METALLURGY
23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE
11Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
08in other liquids
10using organic inhibitors
12Oxygen-containing compounds
128Esters of carboxylic acids
C23F 11/141
CCHEMISTRY; METALLURGY
23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE
11Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
08in other liquids
10using organic inhibitors
14Nitrogen-containing compounds
141Amines; Quaternary ammonium compounds
C23F 11/163
CCHEMISTRY; METALLURGY
23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE
11Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
08in other liquids
10using organic inhibitors
16Sulfur-containing compounds
163Sulfonic acids
F28D 1/0477
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
28HEAT EXCHANGE IN GENERAL
DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
1Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
02with heat-exchange conduits immersed in the body of fluid
04with tubular conduits
047the conduits being bent, e.g. in a serpentine or zig-zag
0477the conduits being bent in a serpentine or zig-zag
F28D 2021/0068
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
28HEAT EXCHANGE IN GENERAL
DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
21Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
0019Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
0068for refrigerant cycles
出願人 DAIKIN IND LTD
発明者 KANETAKE MIREI
TANAKA YUUJI
OKADA KUNIHIRO
OHYA HIDEO
KATAYAMA HIDEO
IMAZU KEISUKE
ARAKI SHOUHEI
指定国 (国コード)
優先権情報 2018067325 30.03.2018 JP
発明の名称
(DE) KÜHLMITTELROHR, WÄRMETAUSCHER UND VERFAHREN ZUR HERSTELLUNG EINES KÜHLMITTELROHRES
(EN) REFRIGERANT PIPE, HEAT EXCHANGER, AND METHOD FOR MANUFACTURING REFIGERANT PIPE
(FR) TUYAU DE RÉFRIGÉRANT, ÉCHANGEUR THERMIQUE ET PROCÉDÉ DE FABRICATION DE TUYAU RÉFRIGÉRANT
要約
(EN)
Provided are a copper-containing refrigerant pipe whose corrosion can be suppressed, a heat exchanger, and a method for producing a refrigerant pipe. A refrigerant pipe includes a pipe body including copper or a copper alloy and an anticorrosive film formed on the outer surface of the pipe body. The anticorrosive film is obtained by applying a coating agent to the outer surface of the pipe body. The coating agent contains one or more anticorrosive agents selected from the group consisting of (A) an organic sulfonate compound, (B) a polyhydric alcohol-organic acid ester compound, and (C) an aliphatic amine compound having 8 to 24 carbon atoms. When the coating agent includes an anticorrosive agent of (C) the aliphatic amine compound having 8 to 24 carbon atoms, (C) the aliphatic amine compound having 8 to 24 carbon atoms is included in an amount of 2.0 wt% or more and 10.0 wt% or less in the coating agent.

(FR)
L'invention concerne un tuyau de réfrigérant, un échangeur de chaleur et un procédé de fabrication de tuyau de réfrigérant permettant d’éliminer la corrosion dans un tuyau de réfrigérant contenant du cuivre. Le tuyau de réfrigérant comprend un corps principal de tuyau contenant du cuivre ou un alliage de cuivre, ainsi qu'un film inoxydable formé sur la surface extérieure du corps principal du tuyau. Le film inoxydable est obtenu en appliquant, sur la surface externe du corps principal du tuyau, un agent de revêtement dans lequel sont mélangés un ou plusieurs types d'agents antirouille choisis dans le groupe constitué par (A) un composé sulfonate organique, (B) un composé ester d'acide organique d'un alcool polyhydrique, et (C) un composé amine aliphatique ayant un nombre de carbones de 8 à 24. Lorsque l'agent de revêtement comprend un agent antirouille de (C) un composé d'amine aliphatique ayant un nombre de carbones de 8 à 24, l'agent de revêtement comprend 2,0% en poids à 10,0% en poids de (C) un composé d'amine aliphatique ayant un nombre de carbone de 8 à 24.