Air passage opening and closing device and air conditioner for vehicle use,申请号US20050186078-传众专利搜索

Air passage opening and closing device and air conditioner for vehicle use

申请公布号：US2006030255(A1)

申请号：US20050186078

申请日期：2005.07.21

申请公布日期：2006.02.09

申请人：

DENSO CORPORATION

发明人：SEKI HIDEKI

分类号：B60S1/54

主分类号：B60S1/54

摘要：The blowing opening portions 20, 21, 22 and the communicating passage opening portion 27 are opened and closed by the first 25 and the second rotary door 26 , the fork-shaped spring 41 is arranged close to an intermediate position between the door rotary shafts 25 b, 26 b, a spring force of one arm portion 41 b of the fork-shaped spring 41 acts on the first rotary door 25 so that a load caused by the door self-weight can be canceled, and a spring force of the other arm portion 41 c of the fork-shaped spring 41 acts on the second rotary door 26 so that a load caused by the door self-weight can be canceled. Due to the above structure, an increase in the door operating force caused by an influence of the door self-weight can be suppressed by a very simple structure.