Motor vehicles – Power – With means to guide and/or control air for power plant cooling
Patent
1996-03-28
1998-10-06
Johnson, Brian L.
Motor vehicles
Power
With means to guide and/or control air for power plant cooling
180 6922, B60K 1108
Patent
active
058163514
ABSTRACT:
A cooling structure for a construction machine is disclosed to minimize the occurrence of a turbulent flow of air, provide a better cooling ability, and reduce surroundings noise. A recess is formed in a portion of an engine cover above a front portion of an engine, and exhaust ports are formed in a slope of the recess on the same side as a fan. A space having a proper size is thereby defined among a portion of the engine cover, which is positioned radially outside the fan, the exhaust ports and the fan. That portion of the engine cover constitutes a first guide for guiding the cooling air just after having passed the fan, as a laminar flow, to the exhaust ports, and an opposite slope of the recess constitutes a second guide for guiding the cooling air discharged through the exhaust ports as a laminar flow. A distal end of the second guide is positioned lower than the first guide, and the exhaust ports each provided between the distal end of the second guide and a distal end of the first guide are positioned across the cooling air supplied from the fan as a laminar flow.
REFERENCES:
patent: 1183670 (1916-05-01), Riker
patent: 3923114 (1975-12-01), Suzuki
patent: 4562895 (1986-01-01), Kirchweger
patent: 5526872 (1996-06-01), Gielda et al.
Akira Tatsumi
Duri Gianni
Prealta Dario
Fiat-Hitachi Excavators S.p.A.
Johnson Brian L.
Miller Larry W.
Seemar Frank A.
Stader J. William
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