Gas fryer with improved heat-exchange properties
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United States of America Patent
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May 18, 2004
Grant Date -
Feb 20, 2003
app pub date -
May 29, 2002
filing date -
Jun 6, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A gas fryer includes a tank for holding cooking oil, a heat pipe located in the middle depth of the tank so that the heat pipe is soaked in the cooking oil, a combustion chamber located at the combustion gas inlet side of the heat pipe, and a flue located at a combustion gas outlet side of the heat pipe. The heat pipe has a sleeve fitted in the inner wall of the heat pipe, and a spirally shaped mixer installed in the heat pipe. The flue also has an introduction system for fresh air, with a blowing nozzle of the fresh air positioned proximate to a narrowed region located about in the middle of the flue along a longitudinal axis, an inlet of fresh air located at a part of the flue, and a passage of fresh air provided along the inner and/or outer wall of the flue.
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