Title:
HEAT EXCHANGER AND AIR CONDITIONING DEVICE
Document Type and Number:
Japanese Patent JP2023072192
Kind Code:
A
Abstract:
To provide a heat exchanger that can improve an operation performance while being downsized.SOLUTION: A heat exchanger comprises a first tube group, a second tube group, a support part, a first throttle opening part, and a second throttle opening part. The first tube group comprises a plurality of first thin tubes through which a refrigerant can flow in one direction. The second tube group comprises a plurality of second thin tubes through which the refrigerant can flow in a direction different from that in the first thin tubes. The support part comprises a communication chamber for establishing communication between the first thin tubes and the second thin tubes. The first throttle opening part is provided in a connection wall of the support part to which the first thin tubes are connected, and has a smaller area than a tube line cross-sectional area of the first thin tubes. The second throttle opening part is provided in a connection wall of the support part to which the second thin tubes are connected, and has a smaller area than a tube line cross-sectional area of the second thin tubes.SELECTED DRAWING: Figure 7
Inventors:
KAWAMURA YOSHINORI
Application Number:
JP2021184576A
Publication Date:
May 24, 2023
Filing Date:
November 12, 2021
Export Citation:
Assignee:
TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORP
International Classes:
F28F9/24; F25B39/00; F28F1/02; F28F1/30
Attorney, Agent or Firm:
Sakai International Patent Office
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