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Patent Searching and Data


Title:
HEAT EXCHANGER WITH FIN
Document Type and Number:
Japanese Patent JPH04268195
Kind Code:
A
Abstract:

PURPOSE: To provide a heat exchanger with fin having high heat transfer performance able to continue a heating operation for a long period of time even when it is used in an outdoor unit of a heat pump type air conditioner.

CONSTITUTION: An ellipsoidal base 15 whose long axis or short axis extends in a direction of stage is provided around a fin collar 13 on the surface of fins 11 to form a base side mountain 17 along the outer periphery of the base 15 and a plurality of straight fin side mountains 16 whose ridge line extends in the direction of stage are formed within one row pitch outside the mountain 17, the height of the mountain 16 being approximately equal to that of the mountain 17 and a base side mountain 9 is formed between the tops of the mountains 16.


Inventors:
Yokoyama, Shoichi
Mogi, Hitoshi
Ando, Tomoaki
Application Number:
JP1991000026596
Publication Date:
September 24, 1992
Filing Date:
February 21, 1991
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
F28F1/32; (IPC1-7): F28F1/32