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System and method for extracting water from a mechanical air conditioning system for water injection

A water injection and mechanical technology, applied in mechanical equipment, charging systems, air handling equipment, etc., can solve problems such as insufficient water injection requirements for engines

Inactive Publication Date: 2018-03-30
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Specifically, when the AC system is already operating, timely collection of water from the AC system may not be sufficient to meet the engine's water injection needs

Method used

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  • System and method for extracting water from a mechanical air conditioning system for water injection
  • System and method for extracting water from a mechanical air conditioning system for water injection
  • System and method for extracting water from a mechanical air conditioning system for water injection

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Embodiment Construction

[0012] The following description relates to systems and methods for adjusting air conditioning (AC) compressor load and the amount of friction braking based on the water level in a water storage tank of a vehicle system. During a braking event, the amount of friction braking may be reduced and the AC compressor load in the mechanical AC system increased to collect water for injection into the engine and deliver the desired braking effort. The collected water may be stored in a water storage tank of the water collection system and then sprayed via one or more water injectors coupled to the engine. figure 1 A schematic diagram of an example engine system including a water collection system that receives collected condensate from an AC system and injects collected water into the engine is shown in . exist figure 2 , a schematic diagram of an example vehicle system is shown that includes a figure 1 Substantially the same engine system and water injection system are shown. also...

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PUM

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Abstract

The invention relates to a system and a method for extracting water from a mechanical air conditioning system for water injection. The invention provides the method and the system for adjusting an amount of friction brake effort and an air conditioning compressor load to collect water for water injection into an engine. In one example, the method may include adjusting the AC compressor load of a mechanical air conditioning system and an amount of friction brake effort based on a water level in a water storage tank of the water injection system. Further, the method may include adjusting a ratioof the AC compressor load to friction brake effort to deliver a driver demanded brake effort.

Description

technical field [0001] The present application generally relates to methods and systems for mechanical air conditioning systems and water injection systems for engines. Background technique [0002] Internal combustion engines may include a water injection system that injects water from a storage tank to various locations, including the intake manifold, upstream of the engine cylinders, or directly into the engine cylinders. Injecting water into the engine intake air can improve fuel economy and engine performance, as well as reduce engine emissions. When water is injected into the engine intake or cylinders, heat is transferred from the intake air and / or engine components to the water. This heat transfer causes evaporation, which causes cooling. Injecting water into intake air (eg, in the intake manifold) reduces intake air temperature and combustion temperature at engine cylinders. By cooling the intake air charge, the tendency to knock can be reduced without enriching ...

Claims

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Application Information

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IPC IPC(8): F02D29/04F02B47/02F02M25/028F02M25/03B60T17/00B60H1/32
CPCB60H1/3233B60T17/00F02B47/02F02D29/04F02M25/028F02M25/03F02D2200/602B60H1/3208B60H2001/3238B60H2001/3273F02M25/0222F02M25/0227Y02T10/12B60H3/00B60H1/0045
Inventor T·G·莱昂内K·J·米勒
Owner FORD GLOBAL TECH LLC
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