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Boosted Engine Charge Air Cooler Condensation Reduction Device

An air cooler, engine cooling technology, applied in mechanical equipment, combustion engines, engine components, etc., can solve problems such as freezing and corrosion

Active Publication Date: 2017-12-08
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While this reduces the level of condensate in the CAC, it moves the condensate to another location or container which can cause other problems such as freezing and corrosion

Method used

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  • Boosted Engine Charge Air Cooler Condensation Reduction Device
  • Boosted Engine Charge Air Cooler Condensation Reduction Device
  • Boosted Engine Charge Air Cooler Condensation Reduction Device

Examples

Experimental program
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Effect test

Embodiment Construction

[0020] The detailed description relates to systems and methods for providing heat to a charge air inlet side of a charge air cooler (CAC) to reduce condensate formation. can be adjusted in response to condensate formation in the CAC to engine systems such as figure 1 engine system) heating of the charge air inlet side of the CAC. In one example, adjusting heating may include adjusting a delivery rate of heated engine coolant to the inlet side of the CAC. exist figure 2 A method for adjusting delivery of heated engine coolant to the CAC based on condensate formation and CAC outlet temperature is shown in . The coolant valve may be adjusted in response to increased or decreased condensate formation. Condensate formation can include bulk condensate formation, as caused by image 3 The method introduced is determined. Figure 4 An example adjustment of a coolant valve in response to condensate formation and CAC outlet temperature is illustrated.

[0021] figure 1 An exampl...

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PUM

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Abstract

The present invention provides methods and systems for providing auxiliary heat to a charge air cooler to reduce condensate formation. The coolant valve controls the delivery of heated engine coolant to the inlet side of the charge air cooler. The coolant valve may be adjusted based on condensate formation in the charge air cooler and the temperature of the charge air cooler outlet.

Description

Background technique [0001] Turbocharged engines utilize a charge air cooler (CAC) to cool the compressed air from the turbocharger before it enters the engine. Ambient air, or coolant, from the exterior of the vehicle passes through the CAC to cool the intake air passing through the interior of the CAC. Condensate may form in the CAC when the ambient air temperature decreases, or during humid or rainy conditions when the charge air is cooled below the water dew point. When the intake air contains recirculated exhaust gas, the condensate can become acidic and corrode the CAC casing. In the case of water-to-air coolers, this corrosion can lead to leaks between the air charge, atmosphere, and possibly coolant. Condensate can collect at the base of the CAC and then be immediately drawn into the engine during acceleration (or tip-in), increasing the chances of the engine misfiring. [0002] Other attempts to address condensate formation include restricting the flow of ambient a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02B29/04
CPCF02M35/1038F02B29/0425F02B29/0468F02M31/042F02M31/10F02M26/06F02M26/23F02B29/0493Y02T10/12
Inventor R·W·坎宁安C·P·格鲁格拉D·J·斯泰尔斯
Owner FORD GLOBAL TECH LLC