发明名称 Wedge with angularly adjustable positions
摘要 An exhaust processing system for a boat including an exhaust chamber having an exhaust opening in the rear bottom thereof, and a wedge plate is pivotally mounted at the forward end of the opening. Controls are provided to pivot the wedge to thereby change the negative pressure in the exhaust chamber
申请公布号 US6045422(A) 申请公布日期 2000.04.04
申请号 US19990227443 申请日期 1999.01.08
申请人 ECO SOUND INC. 发明人 WIDMANN, GEORGE F.
分类号 B63H21/32;F01N13/12;(IPC1-7):B63H21/32 主分类号 B63H21/32
代理机构 代理人
主权项
地址