Heat exchanger with temperature responsive bypass

A heat exchanger for exchanging heat between engine lubricating oil and engine coolant comprises a heat exchange element made up of a plurality of stacked and spaced plate type heat exchange units. The heat exchange units are provided with successive flow openings through which the oil introduced fr...

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Bibliographische Detailangaben
Hauptverfasser:	NOJIMA, YOSHIMITSU, TEJIMA, MASAHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CONTROLLING CRANKCASE VENTILATING ENGINE PLANTS IN GENERAL HEAT EXCHANGE IN GENERAL HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING LIGHTING LUBRICATING INTERNAL COMBUSTION ENGINES LUBRICATING OF MACHINES OR ENGINES IN GENERAL MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PHYSICS REGULATING STEAM ENGINES SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES WEAPONS
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Beschreibung
Zusammenfassung:	A heat exchanger for exchanging heat between engine lubricating oil and engine coolant comprises a heat exchange element made up of a plurality of stacked and spaced plate type heat exchange units. The heat exchange units are provided with successive flow openings through which the oil introduced from an inlet opening flows. A bypass valve is provided to control the flow of the oil passing through a bypass opening which is in communication with the flow openings of the heat exchange units. The bypass valve is of the oil temperature responsive type and adapted to open the bypass opening at oil temperatures below a predetermined level, thereby bypassing much of the oil in the heat exchange units when oil temperature is so low that cooling of the oil is unnecessary.