Title:
HEAT EXCHANGING FIN
Document Type and Number:
Japanese Patent JP3196410
Kind Code:
B2
Abstract:
PURPOSE: To provide a heat exchanging fin in which a water flow tube and a fin sheet and the tubes can be sufficiently effectively brazed to each other at a shoulder of a potbelly type insertion hole and hence a crack scarcely occurs due to thermal stress, etc.
CONSTITUTION: A heat exchanging fin comprises brazing material insertion holes 41, 42 for brazing heat exchanging water flow tubes 1, 2 to a fin sheet 10 having many potbelly type insertion holes 20 for inserting the tubes 1, 2 of a one-boiler two-circuit type to be opened and arranged at peripheral edges of the holes 20, wherein the holes 41, 42 are disposed at obliquely upper positions of the peripheral edges of the holes 21, 22 above and below the holes 20.
More Like This:
| JP2012184920 | AIR CONDITIONER |
| JP5436482 | Heat exchanger and its manufacturing method |
| JPS5616092 | HEAT EXCHANGER |
Inventors:
Takayasu Fujita
Fumio Fujimoto
Shinji Sasaki
Fumio Fujimoto
Shinji Sasaki
Application Number:
JP6273293A
Publication Date:
August 06, 2001
Filing Date:
February 25, 1993
Export Citation:
Assignee:
Noritsu Co., Ltd.
International Classes:
F28F1/32; (IPC1-7): F28F1/32
Domestic Patent References:
| JP5929582U |
Attorney, Agent or Firm:
Rikio Murota