Cooling structure of vehicular power unit

Cooling structure of vehicular power unit

  • CN 1,081,558 C
  • Filed: 12/06/1994
  • Issued: 03/27/2002
  • Est. Priority Date: 12/07/1993
  • Status: Active Grant
First Claim
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1. cooling structure that is used for vehicular propulsion comprises:

  • A power pack section (2) that is used to produce power, described power pack section comprise that one wherein puts the crankcase (11) of a bent axle (17), and (11a 11b) constitutes this crankcase by a pair of crankcase half one;

    A power transfer part (3) that is used for transmitting to rear wheel (W) bent axle power by the drive pulley (37) that is positioned at bent axle one side;

    AndA transmission gearbox (20) that is used to put power transfer part (3),It is characterized in that, described transmission gearbox (20) comprises a left shell (21) and a right shell body (22), and described left shell is made of one first housing (23) and one second housing (24), about covering drive pulley (37), and (11a 11b) releasably links into an integrated entity with second housing (24) of above-mentioned left shell (21) and above-mentioned crankcase half one by fastener (B1);

    (11a forms the space (62) that cooling air is flow through between side 11b) for the side of second housing (24) of the left shell (21) around in above-mentioned joint portion and above-mentioned crankcase half one;

    AndBetween the left shell (21) of described transmission gearbox (20) and right shell body (22), form an exhaust outlet (63,73) that makes the cold wind transpiration.

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