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Cooling system having anti-recirculation feature

A recirculation, engine grill technology, applied in the cooling of the engine, the arrangement of the cooling combination of the power unit, the machine/engine, etc., can solve the problems of reducing the reliability of the cooling system, reducing the air recirculation, and being expensive.

Inactive Publication Date: 2014-12-24
CATERPILLAR INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] While the dual fan configuration of the '003 patent can help reduce air recirculation through the heat exchanger, it can also be complex, expensive, and difficult to package
Additionally, additional fans and associated mounting and control components can reduce cooling system reliability

Method used

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  • Cooling system having anti-recirculation feature
  • Cooling system having anti-recirculation feature
  • Cooling system having anti-recirculation feature

Examples

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Embodiment Construction

[0013] figure 1 An exemplary embodiment of machine 10 is shown. Machine 10 may be a stationary or mobile machine that performs some type of operation associated with an industry such as mining, construction, farming, transportation, petroleum, or other industries known in the art. For example, machine 10 may be an earth moving machine such as figure 1 Motor graders, wheel loaders, track-type tractors, haul trucks, or other types of mobile machines shown in . Alternatively, machine 10 may be associated with power generation, fluid (eg, oil, water, gas, etc.) pumping, or other stationary applications, if desired. In an embodiment of the invention, machine 10 may include a frame 12 supporting an engine 14 located in an enclosure 16 . The housing 16 may include, among other things, a housing 18 and a removable cowl 20 that closes an end of the housing 18 . Housing 18 may be provided with one or more air inlets 22 capable of allowing air to flow through at least a portion of ho...

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PUM

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Abstract

An engine grill is disclosed for use with an engine. The engine grill may have an end portion (46, 48), and a plurality of perforations (42) formed within the end portion in a pattern around a middle of the end portion. The engine grill may also have an anti-recirculation feature (44) situated at a middle of the end portion within the pattern of the plurality of perforations.

Description

technical field [0001] The present invention relates generally to a cooling system, and more particularly, to a cooling system having anti-recirculation features that enhance engine cooling. Background technique [0002] Most mobile machines are powered by internal combustion engines such as diesel engines, gasoline engines or gaseous fuel powered engines. Each of these engines burns a mixture of fuel and air to produce a mechanical power output used to propel the machine. To ensure optimum combustion of the fuel / air mixture and to protect engine components from extreme damage, the temperature of the engine and the air introduced into the engine for combustion should be strictly controlled. [0003] A typical internal combustion engine is cooled by a heat exchanger and an axial cooling fan disposed adjacent (eg, in front or behind) the heat exchanger. Coolant from the engine is circulated through the heat exchanger while an axial cooling fan directs a flow of fresh air thr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K11/04B60K11/08F01P5/06F01P11/10B60R19/52
CPCB60K11/04B60K11/08B60R2019/525F01P11/10
Inventor S·R·加德希拉琼王飞R·D·鲁珀B·V·布鲁尼尔
Owner CATERPILLAR INC