发明授权
- 专利标题: Flammable vapor resistant water heater
- 专利标题(中): 易燃蒸气热水器
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申请号: US09610109申请日: 2000-07-06
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公开(公告)号: US06295952B1公开(公告)日: 2001-10-02
- 发明人: Gregory Allen Reynolds , R. Dale Shropshire , Herbert Edward Smith , Nolan Cornett
- 申请人: Gregory Allen Reynolds , R. Dale Shropshire , Herbert Edward Smith , Nolan Cornett
- 主分类号: F23D1482
- IPC分类号: F23D1482
摘要:
A water heater including a water tank, a combustion chamber beneath the tank, a gas burner in the combustion chamber, an air plenum upstream of the combustion chamber, a flame arrestor located such that air in the air plenum passes through the flame arrestor to reach the combustion chamber, and a flue extending upwardly from the combustion chamber and through the water tank. An inner plate defines the lower boundary of the combustion chamber, and supports the flame arrestor. The inner plate is rolled around the bottom edge of the skirt. A raised ring is formed in the inner plate, and the flame arrestor is seated against the raised ring. An o-ring seal is positioned in a peripheral groove of the flame arrestor to substantially gas-tightly seal the periphery of the flame arrestor with respect to the inner plate. An access door is stamped and fit over a access opening in the skirt. The access door includes a boot wall for receiving a gas manifold tube boot in a slip fit fashion, and includes a flat portion for a sight glass.
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