HEAT EXCHANGER AND AIR CONDITIONING APPARATUS
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
N/A
Issued Date -
Mar 31, 2022
app pub date -
Apr 3, 2019
filing date -
Apr 3, 2019
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A heat exchanger includes a plurality of fins and a plurality of tubes that are inserted into the fins and that allow refrigerant to flow in the tubes. The tubes include first heat transfer tubes and second heat transfer tubes. Each of the first heat transfer tubes includes grooves formed in an inner surface of the first heat transfer tube, and has an inside diameter Da and a groove depth Ta. Each of the second heat transfer tubes has an inner surface smoothed, has an inside diameter Db, and is connected to an associated one of the first heat transfer tubes. Da−2×Ta≤Db is satisfied.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully