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1.发明申请公开(公告)号：US20170211426A1
公开(公告)日：2017-07-27
申请号：US15409578
申请日：2017-01-19
CPC分类号： F01K13/02 , F01K23/10 , F01N5/02 , F01N2260/08 , F01N2260/10 , F01N2590/10 , F02G5/02 , F16K7/10 , F22B1/1815 , F22B37/06 , Y02E20/14 , Y02E20/16 , Y02T10/16
摘要： A damper assembly for minimizing heat loss through an exhaust includes a housing mounted within the stack and a bladder received within the housing. The bladder is selectively movable between a first position in which the bladder is deflated and received within the housing, and second position in which the bladder is positioned outside the housing and inflated such that a peripheral surface of the bladder contacts an interior sidewall of the stack to create a gas seal.
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2.发明申请公开(公告)号：US20170211425A1
公开(公告)日：2017-07-27
申请号：US15405807
申请日：2017-01-13
CPC分类号： F01K13/006 , F01K13/02 , F01N5/02 , F01N2260/08 , F01N2260/10 , F01N2590/10 , F02G5/02 , F16K7/00 , F22B1/1815 , F22B37/06 , F23L13/02 , Y02E20/14 , Y02E20/16 , Y02T10/16
摘要： A damper assembly for minimizing heat loss through an exhaust stack includes a housing mountable within the stack and an umbrella received within the housing. The umbrella is selectively movable between a first position in which the umbrella is received within the housing, and second position in which the umbrella is extended from the housing such that a peripheral edge of the umbrella is in close association with an interior sidewall of the exhaust stack to minimize a flow of fluid past the umbrella and out of the stack.
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