发明名称 |
Two stroke engine having exhaust port timing control valve |
摘要 |
Two stroke engine having an exhaust port provided with a rotary type timing control valve at the upper portion thereof. The control valve is connected with a centrifugal actuator which is responsive to the engine speed so that the exhaust port is wide open under a high speed engine operation but covered at the upper portion by said control valve under a low speed operation to change the exhaust port timing.
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申请公布号 |
US4285311(A) |
申请公布日期 |
1981.08.25 |
申请号 |
US19790061514 |
申请日期 |
1979.07.27 |
申请人 |
YAMAHA HATSUDOKI KABUSHIKI KAISHA |
发明人 |
IIO, TOSHIMITSU |
分类号 |
F02B67/04;F02B25/14;F02B25/20;F02B61/02;F02B75/02;F02D9/04;F02D13/02;(IPC1-7):F02D9/06 |
主分类号 |
F02B67/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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