Heat Exchanger and Method for Assembling Heat Exchanger
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United States of America Patent
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Issued Date -
Feb 7, 2013
app pub date -
Apr 7, 2011
filing date -
Apr 19, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Assembly of a header tank 1 and flat tubes 3A in a heat exchanger is simplified. A communication portion of the header tank 1 side which communicates with the flat tube 3A is a slit 11 formed over a region (a side surface 1b, or a connection portion between a facing surface 1a and the side surface 1b) that retreats from a center portion side in a width direction of the facing surface 1a, from the facing surface 1a on one end portion side in the width direction. An end portion of the flat tube 3A is able to be inserted from the side surface side of the header tank 1 into the slit 11 of the header tank 1. The flat tube 3A is caused to abut, in the width direction thereof, on a first abutting portion a of an end portion on the facing surface 1a side of the slit 11, and abut, in the longitudinal direction, on a second abutting portion b of an end portion on the side surface 1b side of the slit 11.
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