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System and method for extracting water from electric air conditioning system for water injection

A water injection and electric technology, applied in electric braking system, road vehicle drive control system, electric vehicle, etc., can solve the problem that the battery does not have enough stored electric energy

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

Additionally, if energy stored in the battery (e.g., an electric AC system) is used to operate the AC system's AC compressor, the battery may not have enough water when it is needed, as may be the case in a hybrid electric vehicle. Store electrical energy to operate AC systems

Method used

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  • System and method for extracting water from electric air conditioning system for water injection
  • System and method for extracting water from electric air conditioning system for water injection
  • System and method for extracting water from electric 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 ratio of friction to regenerative braking based on the water level in a water storage tank of a vehicle system. Energy recovered from regenerative braking during a braking event may be directed to run an AC compressor in an electric AC system to collect water for injection into the engine. 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. exist figure 1 A schematic diagram of an exemplary engine system including a water collection system that receives condensate collected from an AC system and injects the collected water into the engine is shown in . exist figure 2 , a schematic diagram of an exemplary vehicle system is shown, including the figure 1 The systems shown are essentially the same engine system and water injection system. addition...

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Abstract

The invention relates to a system and a method for extracting water from an electric air conditioning system for water injection. Methods and systems are provided for adjusting a ratio of friction toregenerative brake effort and running an electric air conditioning compressor to collect condensed water for water injection into an engine. In one example, a method may include adjusting the air conditioning compressor load of the electric AC system and the ratio of friction to regenerative brake effort based on a water level in a water storage tank of the water injection system. Further, the method may include directing energy from regenerative braking to a battery and / or to the AC compressor in response to the battery state of charge.

Description

technical field [0001] The present application generally relates to methods and systems for electric air conditioning / 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 the intake air (eg, in the intake manifold) reduces both the intake air temperature and the combustion temperature at the engine cylinders. By cooling the intake air charge, the tendency to kno...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W20/14B60W20/15B60W10/06B60W10/30
CPCB60W20/14B60W20/15B60W10/06B60W10/30B60W2510/30B60W2510/244B60W2710/0688B60W2710/06B60W2710/30B60H1/00271B60H1/004B60L15/2009B60H2001/3275B60L2240/545Y02T10/72B60L50/15B60L58/12B60H1/32331B60H1/3233B60H2001/3266B60L1/003B60L7/26F02M25/028F02M25/03Y10S903/903Y02T10/12Y02T10/64Y02T10/70Y02T10/7072B60H1/00385B60H2001/3273B60Y2300/51B60Y2400/81
Inventor T·G·莱昂内K·J·米勒
Owner FORD GLOBAL TECH LLC
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