公开(公告)号：US5195208A

公开(公告)日：1993-03-23

申请号：US806181

申请日：1991-12-13

申请人： Hirofumi Yamami ,  Yoshisato Hashimoto ,  Giichi Iida ,  Shunsuke Nakadate

发明人： Hirofumi Yamami ,  Yoshisato Hashimoto ,  Giichi Iida ,  Shunsuke Nakadate

IPC分类号： A01M9/00 ,  A47L5/36 ,  F02B63/06 ,  F02B77/13 ,  F04D25/02

CPC分类号： A47L5/36

摘要： A backpack power blower apparatus including a frame carrying an engine and a blower. The frame is provided with a sound insulating planar member for reducing noises produced by the engine and the blower, the sound insulating planar member including opposite side portions extending rearwardly from a front portion of the frame and a rear portion extending between the opposite side portions at rear end portions thereof whereby the sound insulating planar member surrounds a machine body, including the engine and the blower, at least at opposite sides and a rear side of the machine body.

摘要翻译： 一种背包动力鼓风机装置，包括承载发动机和鼓风机的框架。 框架设置有隔音平面构件，用于减少由发动机和鼓风机产生的噪声，隔音平面构件包括从框架的前部向后延伸的相对侧部和在相对侧部之间延伸的后部 其后端部，隔音平面构件至少在机体的相对侧和后侧围绕包括发动机和鼓风机的机体。

公开(公告)号：US4872308A

公开(公告)日：1989-10-10

申请号：US204124

申请日：1988-06-08

申请人： Noboru Nagai ,  Yoshisato Hashimoto ,  Yoshihiko Tsuboike ,  Noboru Kaito

发明人： Noboru Nagai ,  Yoshisato Hashimoto ,  Yoshihiko Tsuboike ,  Noboru Kaito

IPC分类号： F01N3/02 ,  F01N3/05 ,  F01N3/06 ,  F01N7/00 ,  F02B63/00

CPC分类号： F01N13/002 ,  F01N13/082 ,  F01N3/05 ,  F02B63/00 ,  F01N2230/06 ,  F01N2590/06 ,  F01N3/06 ,  Y02T10/20

摘要： An exhaust device for a working machine in which a mixing tubular member is disposed opposite to an outlet opening of the muffler through a space interposed between them, and an air-flow passage is provided to introduce a portion of pressurized air from a blower into the inside of an air guide wall on the outer periphery of the outlet opening.

摘要翻译： 一种用于工作机械的排气装置，其中混合管状构件通过设置在它们之间的空间与消声器的出口相对设置，并且设置有气流通道，以将来自鼓风机的一部分加压空气引入到 在出口的外周上的导气壁的内部。