To suppress increase in circulation resistance of refrigerant circulating between an outer pipe and inner pipe, and further avoid complication of the outer pipe, in a double pipe type internal heat exchanger.SOLUTION: A downstream end part 4a of an inflow pipe 4 is inserted into an opening part 32 formed in the peripheral wall part of an outer pipe 3 and fixed to the peripheral edge part of the opening part 32. The peripheral wall part of the outer pipe 3 is formed so that the outer diameter of the portion of the outer pipe 3 where the downstream end part 4a of the inflow pipe 4 is fixed is substantially equal to the outer diameter of the portion of the outer pipe 3 between the inflow pipe 4 and an outflow pipe.SELECTED DRAWING: Figure 3
【課題】2重管式内部熱交換器において、外管と内管との間を流通する冷媒の流通抵抗の増加を抑制しながら、外管の加工の複雑化を回避する。【解決手段】流入管4の下流端部4aは、外管3の周壁部に形成された開口部32に挿入されて開口部32の周縁部に固定されている。外管3における流入管4の下流端部4aが固定された部分の外径が、外管3における流入管4と流出管との間の部分の外径と略等しくなるように、外管3の周壁部が成形されている。【選択図】図3
DOUBLE PIPE TYPE INTERNAL HEAT EXCHANGER
2重管式内部熱交換器
2019-10-24
Patent
Elektronische Ressource
Japanisch
IPC: | F28F Einzelheiten von Wärmetauschern oder Wärmeübertragungsvorrichtungen für allgemeine Verwendung , DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS / F28D Wärmetauscher, soweit in keiner anderen Unterklasse vorgesehen, in denen die Wärmetauschmittel nicht in direkte Berührung miteinander kommen , HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT |
Unique double-pipe internal heat exchanger for MAC
Tema Archiv | 2007
|Double pipe heat-exchanger with one body type connector
Europäisches Patentamt | 2020
|Double pipe heat-exchanger with one body type connector
Europäisches Patentamt | 2021