发明名称 |
Exhaust flue cap and filter device for a gas fired appliance |
摘要 |
An exhaust flue cap and filter device for a gas fired appliance in communication with an exhaust flue opening having an outer pipe and a coaxial liner. The device includes a tubular cap with an open lower end, an opposed open upper end, and a plurality of ventilation holes wherein the cap is receivable over the flue opening. A removable top is attached to and closes the open upper end of the tubular cap. A filter tray having a smaller diameter than the tubular cap includes a ledge extending radially inward from the tray. A removable catalytic converter filter insert within the tubular cap is supported on the ledge. |
申请公布号 |
US8083574(B2) |
申请公布日期 |
2011.12.27 |
申请号 |
US20080146129 |
申请日期 |
2008.06.25 |
申请人 |
ARNOLD, JR. JOHN G.;SMITH JOSEPH D. |
发明人 |
ARNOLD, JR. JOHN G.;SMITH JOSEPH D. |
分类号 |
F23J13/08 |
主分类号 |
F23J13/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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