发明名称 |
Bicycle with electric motor |
摘要 |
A pedal operated vehicle such as a bicycle having an electric motor assist. The assist ratio provided by the electric motor may be varied in response to a variety of vehicle conditions such as speed so as to reduce the consumption of electrical energy and to avoid over speed conditions. Various control ratio options are depicted and an embodiment is also shown wherein the operator may select the assist ratio or assist ratio curve provided.
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申请公布号 |
US5474148(A) |
申请公布日期 |
1995.12.12 |
申请号 |
US19930128866 |
申请日期 |
1993.09.29 |
申请人 |
YAMAHA HATSUDOKI KABUSHIKI KAISHA |
发明人 |
TAKATA, NOZOMU |
分类号 |
B62K11/00;B62M6/45;B62M6/55;B62M17/00;(IPC1-7):B62K11/00;B62M23/02 |
主分类号 |
B62K11/00 |
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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