发明名称 Posi-draft stabilizer
摘要 This invention relates to a device which is installed in series with the smoke stack of an oil burner whereby the configuration of the device provides the means to act as an aerodynamic check valve and to stabilize and isolate downdraft effects in the smoke stack of a burner caused by adverse or varying wind conditions so as to insure against subsequent faulty burner operation. Also, the use of this invention, and its objectives, has application in the smoke stack of other like heating entities or duct work requiring the movement or discharge of gases; some of which are wood burning stoves, coal burning stoves or gas burning heating equipment.
申请公布号 US4278068(A) 申请公布日期 1981.07.14
申请号 US19790107438 申请日期 1979.12.26
申请人 BUTERA, ANTHONY W. 发明人 BUTERA, ANTHONY W.
分类号 F23M9/00;(IPC1-7):F23J11/00 主分类号 F23M9/00
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