Gas-air mixing device for combustor
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United States of America Patent
Stats
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Aug 30, 2016
Grant Date -
Jan 1, 2015
app pub date -
Jan 17, 2013
filing date -
Feb 6, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Provided is a gas-air mixing device for a combustor which effectively controls the amount of gas and air supplied to a burner provided in a combustor, thus improving the turn-down ratio which leads to increased convenience for using hot water and heat and enhanced durability of the burner. The gas-air mixing device for a combustor comprises: a housing, connected on one side to a turbo fan; a discharge part disposed on one side of the housing and in contact with the turbo fan; first and second air supply parts, provided on the other side of the discharge part and separated by a first partition; first gas supply part, divided by a second partition, and a second gas supply part having a protruding part; and an opening/closing means for controlling the flow of gas and air by opening or closing the second air supply part and the second gas supply part.

First Claim
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
KYUNGDONG NAVIEN CO LTD | PYEONGTAEK-SI GYEONGGI-DO 17704 |
International Classification(s)

- [Classification Symbol]
- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Lim, Duk Byung | Suwon-si, KR | 1 | 2 |
Min, Myoung Gee | Seoul, KR | 3 | 4 |
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 29, 2028 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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