Heat exchanger
First Claim
1. A heat exchanger comprising:
- a plurality of first tubes in which a first fluid circulates;
first fins for facilitating heat exchange, the first fins being arranged between the first tubes;
a plurality of second tubes in which a second fluid circulates;
second fins for facilitating heat exchange, the second fins being arranged between the second tubes;
header tanks communicating with both the tubes, the header tanks being arranged at both longitudinal end sides of both the tubes;
at least two pieces of separators for dividing a space in the header tank into a first space communicating with the first tubes and a second space communicating with the second tubes, the two pieces of separators composing a third space between the first space and the second space;
at least two pieces of third tubes for connecting a portion corresponding to the third space of the header tank on one longitudinal end side of both the tubes with a portion corresponding to the third space of the header tank on the other longitudinal end side; and
fin arranged between the third tubes, wherein the size of the first tubes and the second tubes is the same as that of the third tubes, and the size of the first fins and the second fins is the same as that of the fin arranged between the third tubes.
1 Assignment
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Accused Products
Abstract
In order to enhance the working efficiency of assembling a heat exchanger in which two types of heat exchangers are integrated, there is provided a heat exchanger in which the size of the dummy tubes, which are the third tubes arranged in the portion between the first and the second radiator, and that of the first and the second tubes are made to be the same and further the size of the fins arranged between the dummy tubes and that of the first and the second fins are made to be the same. In order to reduce the occurrence of defective brazing of the separator to the header tank and in order to make it possible to easily repair the defective brazing portion, there is provided a hole in a portion of the header tank.
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Citations
11 Claims
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1. A heat exchanger comprising:
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a plurality of first tubes in which a first fluid circulates;
first fins for facilitating heat exchange, the first fins being arranged between the first tubes;
a plurality of second tubes in which a second fluid circulates;
second fins for facilitating heat exchange, the second fins being arranged between the second tubes;
header tanks communicating with both the tubes, the header tanks being arranged at both longitudinal end sides of both the tubes;
at least two pieces of separators for dividing a space in the header tank into a first space communicating with the first tubes and a second space communicating with the second tubes, the two pieces of separators composing a third space between the first space and the second space;
at least two pieces of third tubes for connecting a portion corresponding to the third space of the header tank on one longitudinal end side of both the tubes with a portion corresponding to the third space of the header tank on the other longitudinal end side; and
fin arranged between the third tubes, wherein the size of the first tubes and the second tubes is the same as that of the third tubes, and the size of the first fins and the second fins is the same as that of the fin arranged between the third tubes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A heat exchanger comprising:
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a plurality of first tubes made of metal in which a first fluid circulates;
a plurality of second tubes made of metal in which a second fluid circulates;
header tanks made of metal communicating with both the tubes, the header tanks being arranged at both longitudinal end sides of both the tubes; and
two pieces of separators made of metal for dividing a space in the header tank into a first space communicating with the first tubes and a second space communicating with the second tubes, the two pieces of separators composing a third space between the first space and the second space;
whereinthe two pieces of separators are joined by brazing to the header tank under the condition that the two pieces of separators are inserted from the slit hole formed in the header tank into the header tank, and a hole for communicating the third space with the outside of the header tank is formed in the third space corresponding portion corresponding to the third space in the head tank.
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10. A method of manufacturing a heat exchanger,
the heat exchanger comprising: - a plurality of first tubes made of metal in which a first fluid circulates;
a plurality of second tubes made of metal in which a second fluid circulates;
header tanks made of metal communicating with both the tubes, the header tanks being arranged at both longitudinal end sides of both the tubes; and
two pieces of separators made of metal for dividing a space in the header tank into a first space communicating with the first tubes and a second space communicating with the second tubes, the two pieces of separators composing a third space between the first space and the second space;
wherein the two pieces of separators are joined by brazing to the header tank under the condition that the two pieces of separators are inserted from the slit hole formed in the header tank into the header tank, and a hole for communicating the third space with the outside of the header tank is formed in the third space corresponding portion corresponding to the third space in the head tank,the method of manufacturing the heat exchanger comprising the steps of;
coating flux on the separator after the separator has been inserted into the header tank; and
then brazing the separator and the header tank to each other. - View Dependent Claims (11)
- a plurality of first tubes made of metal in which a first fluid circulates;
Specification