利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

105 条记录 (耗时 0.021 秒)

    Balanced pressure solid fuel heating unit
    33.
    发明授权
    Balanced pressure solid fuel heating unit 失效

    公开(公告)号：US5522327A

    公开(公告)日：1996-06-04

    申请号：US329950

    申请日：1994-10-27

    申请人： Carrol E. Buckner ,  Carrol D. Buckner

    发明人： Carrol E. Buckner ,  Carrol D. Buckner

    IPC分类号： A61K49/00 ,  F23L1/00 ,  F23L5/02 ,  F23L9/00 ,  F23L17/16 ,  F24B1/02 ,  F23B7/00

    CPC分类号： A61K49/001 ,  F23B1/30 ,  F23L1/00 ,  F23L17/16 ,  F23L5/02 ,  F23L9/00 ,  F24B1/024

    摘要： A method and apparatus for a pellet fuel burning heating unit for burning corn or wood pellets having a balanced pressure system having a four-way split combustion intake airstream. The invention includes a combustion air blower system for providing combustion air into a firebox containing a burner under positive pressure and at the same time providing a negative pressure to remove the combustion gases from the firebox. A pressure regulator and air splitter maintains a balance between the positive and negative pressure and adjusts the air flow into the firebox and out the exhaust. The exhaust is provided through a bank of exhaust tubes running from the top of the firebox to an exhaust manifold. The blower air moves into the pressure regulator and air splitter dividing the air flow such that a portion enters the heating unit exhaust manifold to produce a negative pressure and the remaining portion enters the heating unit burner under positive pressure. Such remaining positive pressure portion is split three ways, with a flow stream directed at the fuel bed in the burner, a flow stream directed concentrically with a fuel pellet feed toward the region directly above the burner and a flow stream directed along the firebox door window. This flow split results in improved combustion efficiency of the fuel pellets and is self-regulating as between the relative amounts of air between the burner fuel bed and the region above the burner. The flow directed above the burner is concentric with the fuel feed line and hence reduces the likelihood of flame or smoke entering the fuel feed lines. The combination of air flow through the burner and directly above the burner results in a turbulence which ensures each corn kernel or pellet of fuel is sufficiently surrounded by combustion air to efficiently burn each kernel or pellet. The flow along the firebox door window prevents buildup of soot or discoloration of the glass in the door. A second, room air blower system is provided which directs ambient air around the exhaust tube bank and through vents in the heating unit housing into the room or space to be heated.