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Device for ventilating cooling air of construction

  • US 4,020,900 A
  • Filed: 06/25/1974
  • Issued: 05/03/1977
  • Est. Priority Date: 01/31/1974
  • Status: Expired due to Term
First Claim
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1. A device for ventilating cooling air for cooling a coolant of an engine of a construction vehicle having a water cooled engine within a housing and for reducing the noise of the engine emitted through said device, said device comprising at least one inlet and outlet means mounted on the exterior of said housing for directing cooling air, which dissipates the heat of the coolant, vertically with respect to the body of the vehicle, said inlet and outlet means each comprising a plurality of ducts formed by a plurality of parallel reinforcing ribs and noise-absorbing material which covers the inner surface of said ducts whereby the noise of said engine passing through said inlet and outlet means is substantially reduced.

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