Muffler device for motorcycle

Details Muffler device for motorcycle Muffler device for motorcycle

1990-07-25

1993-02-02

Hill, Mitchell J.

Motor vehicles

Special wheel base

Having only two wheels

60320, 180 681, 180 682, 180 683, 180 892, 180229, 180309, 181239, B60K 1106, B62D 6102, F01N 714

Patent

active

051831309

ABSTRACT:
A motorcycle covered by a cowl includes a power unit comprising an engine and a power transmission device enclosed by a cover within which an engine fan induces cooling air into heat transfer relation with said engine. A muffler device enclosed by the cowl has an air guide cover within which cooling air inducted into the power unit cover is passed thereinto in order to cool the muffler. According to an aspect of the invention the vehicle body frame has a hollow main frame operative to induce a flow of cooling air and for discharging it into cooling relation with the power transmission device.

REFERENCES:
patent: 4632210 (1986-12-01), Yamamoto et al.
patent: 4633965 (1987-01-01), Tsurumi et al.
patent: 4671781 (1987-06-01), Tanaka et al.
patent: 4699232 (1987-10-01), Nebu et al.
patent: 4712629 (1987-12-01), Takahashi et al.
patent: 4723617 (1988-02-01), Kitada
patent: 4733639 (1988-03-01), Kohyama et al.
patent: 4770262 (1988-09-01), Yasunaga et al.
patent: 4809800 (1989-03-01), Suzuki
patent: 4881614 (1989-11-01), Hoshi et al.
patent: 4903485 (1990-02-01), Tamba et al.
patent: 5012883 (1991-05-01), Hiramatsu

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