Engine mounted air-to-air aftercooler
First Claim
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1. A combustion air cooling system mounted on an engine in a machine, the engine having an intake manifold, the combustion air cooling system comprising:
- an aftercooler operable to supply cooled air to the intake manifold;
a fan operable to force ambient air through the aftercooler; and
a variable speed fan drive operable to control the speed of the fan.
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Abstract
A combustion air cooling system has an aftercooler operable to supply cooled air to the intake manifold of an engine. A fan is operable to force ambient air through the aftercooler. A variable speed fan drive is operable to control the speed of the fan.
48 Citations
14 Claims
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1. A combustion air cooling system mounted on an engine in a machine, the engine having an intake manifold, the combustion air cooling system comprising:
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an aftercooler operable to supply cooled air to the intake manifold; a fan operable to force ambient air through the aftercooler; and a variable speed fan drive operable to control the speed of the fan. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A combustion air induction system and engine assembly, the engine having an intake manifold and an exhaust manifold, the combustion air induction system comprising:
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a turbocharger operable to produce a supply of compressed air using a supply of exhaust from the exhaust manifold; an aftercooler mounted on the engine, the aftercooler operable to cool the supply of compressed air from the turbocharger; a fan operable to force ambient air through the aftercooler; and a variable speed fan drive operable to control the speed of the fan.
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11. A method of cooling combustion air for use with an engine, the engine having an intake manifold;
- the method of cooling comprising;
(a) providing an engine cooling system, the engine cooling system having a heat exchanger being an air-to-air type heat exchanger; (b) providing a variable flow of ambient air as a recipient fluid to the heat exchanger; (c) providing a flow of combustion air as a source fluid to the heat exchanger; (d) supplying the engine with a flow of cooled combustion air from the heat exchanger; (e) monitoring a condition within at least one of the engine and engine cooling system; and (f) adjusting the supply of flow of ambient air to the heat exchanger in response to the monitored condition. - View Dependent Claims (12, 13, 14)
- the method of cooling comprising;
Specification