HEAT EXCHANGER

PROBLEM TO BE SOLVED: To provide a small and light heat exchanger having a housing portion with excellent productivity.SOLUTION: A heat exchanger comprises: a housing portion 2 comprising a tubular cooling tube portion 3, and a plate-like plate portion 20 extending from an outer periphery of the coo...

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Bibliographische Detailangaben
Hauptverfasser:	KONISHI YUKIHIRO, OKUBO YOSHIMASA
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a small and light heat exchanger having a housing portion with excellent productivity.SOLUTION: A heat exchanger comprises: a housing portion 2 comprising a tubular cooling tube portion 3, and a plate-like plate portion 20 extending from an outer periphery of the cooling tube portion 3; a heat sink portion 4 arranged at a notch opening 30 provided by cutting one part of the cooling tube portion 3; and joint portions 5 jointed to both ends in a longitudinal direction of the cooling tube portion 3. The heat sink portion 4 comprises: a plate-like base portion 40 having a heating element mounting face for mounting the heating element; and a radiation fin portion 41 standing from a face opposite to the heating element mounting face of the base portion 40. While the radiation fin portion 41 is inserted in the cooling tube portion 3, the base portion 40 and a peripheral edge of the notch opening 30 of the cooling tube portion 3 are jointed to each other. The housing portion 2 is formed by extrusion molding to integrally include the cooling tube portion 3 and the plate portion 20.