Heat source device
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United States of America Patent
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-
Nov 29, 2022
Grant Date -
Oct 1, 2020
app pub date -
Mar 27, 2020
filing date -
Apr 1, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A heat source device including a sheet-metal burner body (30), a fan casing (40) connected to the burner body (30), an annular packing (90) connecting a burner-side connection end surface (340) with a fan-side connection end surface (410) in an airtight state, a sheet-metal connection part (80) disposed between the burner-side connection end surface (340) and the fan-side connection end surface (410), wherein the connection part has an opening (85) and a packing storage portion (84) storing the annular packing (90), wherein the opening (85) is provided in such a manner that an opening edge is positioned outside of those of an inlet port (35) and a blowout port (44) in a state where the connection part (80) is disposed between the burner-side connection end surface (340) and the fan-side connection end surface (410).
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