PIPE JOINT, STRUCTURE OF JOINTING HEAT EXCHANGE TUBE TO THE PIPE JOINT, AND METHOD OF JOINING THE HEAT EXCHANGE TUBE TO THE PIPE JOINT

Japanese Patent JP2010096225

A

To compatibly simplify a pipe joint, and to stabilize brazing quality at a joint between a heat exchanging tube and the pipe joint.

To the pipe joint, the heat exchanging tube 20 is joined in which a first fluid in a first tube 21 and a second fluid in a second tube 22 are arranged in a heat exchangeable manner. The first tube 21 has a protruded end 21b protruded more outside than the end of the second tube 22, a first block 32, a second block 33, and a connection portion 34. The first and second blocks 32, 33 are arranged at a predetermined space. In the first block 32, a first joint hole 32a is formed into which the front end of the protruded end 21b is joined. In the second block 33, a second joint hole 33a and a third joint hole 33b are formed into which the protruded end 21b is joined and into which the second tube 22 is joined, respectively. In a state of inserting the heat exchanging tube 20, joints between the protruded end 21b and each of the first and second joint holes 32a, 33a are exposed from the space to the outside.

ITO MAKOTO
ENOMOTO KATSUTOSHI

JP2008266096A

April 30, 2010

October 15, 2008

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DENSO CORP

F16L39/00; F16L13/02; F25B41/00; F28D7/10

JP2006153437A	2006-06-15
JP2002228072A	2002-08-14
JP2006308028A	2006-11-09
JP2007177872A	2007-07-12
JP2005049026A	2005-02-24
JP2001235081A	2001-08-31
JP2006003071A	2006-01-05
JP2006153436A	2006-06-15
JP2003287166A	2003-10-10
JP2006258211A	2006-09-28
JP2006153437A	2006-06-15
JP2002228072A	2002-08-14
JP2006308028A	2006-11-09
JP2007177872A	2007-07-12
JP2005049026A	2005-02-24
JP2001235081A	2001-08-31
JP2006003071A	2006-01-05

Yoji Ito
Takahiro Miura
Fumihiro Mizuno

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