| 摘要 |
An engine has a swingable hood with an exhaust stack and air inlet drain cap mounted thereon for swinging therewith which are operative with a muffler outlet and an air cleaner inlet, respectively, when the hood is in an operative position enclosing the engine of a vehicle on which the hood is mounted. A deflector is located between the muffler and air cleaner and oriented to deflect cooling air for the muffler to exhaust vents and the stack which stack forms an annulus around the muffler outlet to give a jet pump type action to enhance the draft for the stack which entrains the effluent from the muffler outlet while at the same time providing a radiant and convective heat shield for the air cleaner.
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