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Water/air separator

An air separator and separator technology, applied in separation methods, dispersed particle separation, combustion air/combustion-air treatment, etc., can solve problems such as performance degradation, damage, etc.

Inactive Publication Date: 2012-03-21
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With this fine filter, exposure to water may degrade its performance and may even damage it

Method used

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  • Water/air separator
  • Water/air separator
  • Water/air separator

Examples

Experimental program
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Embodiment Construction

[0035] first reference figure 1 , the vehicle is equipped with an evaporative (fuel vapor) emission control system, generally indicated by the number 10. Emission control system 10 includes a fuel tank 12 having an upper interior volume in communication with one or more evaporative canisters 16 and an intake manifold 14 of an internal combustion engine (ICE) 38 . Fuel tank 12 provides fuel to engine 38 and generally includes vapor discharge valve 18 and rollover valve 20 . The fuel tank 12 may also include a vacuum relief valve 22 integral with the fuel tank cap for preventing excessive vacuum or pressure from being applied to the fuel tank 12 . The fuel tank 12 also includes a pressure sensor 24 for monitoring fuel tank pressure or vacuum and for providing a corresponding input signal to an engine electronic control (EEC) 34 . The pressure sensor 24 may be mounted directly into the fuel tank 12 or remotely mounted and connected to the fuel tank 12 by wire.

[0036] A vapor...

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Abstract

A filter assembly having: an air filter; an air filter compartment having the air filter disposed therein; and a cap covering the air filter compartment. The cap has ribs disposed along inner sidewalls of the cap. The ribs, outer sidewalls of the compartment, and inner sidewalls of the cap form a plurality of channels having inlets for receiving a mixture of air and water. The walls of the channels collect droplets of a water portion of the mixture entering the channels. The collected water portion is removed from the filter assembly by gravity. The air filter compartment receives the air portion of the mixture exiting outlets of the channels. The exiting air portion received by the compartment passes through the air filter and after passing through the air filter passes out of the filter assembly.

Description

technical field [0001] The present disclosure relates generally to water / air separators, and more particularly to water / air separators for use in internal combustion engines. Background technique [0002] As is known in the art, in today's automotive engine evaporative (EVAP) emission control systems, carbon canisters are required to absorb and store fuel vapors to avoid atmospheric pollution. Canister operation involves two main modes - load mode and draw mode. During purge mode, fresh air enters the carbon canister to remove fuel vapors stored there. To prevent dust contamination from entering the canister, an air filter is required at the inlet to the fresh air intake. To detect EVAP leaks, a diaphragm type natural vacuum leak detection (NVLD) device is installed in the EVAP system between the air cleaner and the carbon canister. To protect the NVLD from dust and water, use a good air filter. With such a fine filter, exposure to water may degrade its performance and m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M25/08F02M35/022
CPCB01D46/2411
Inventor M·董S·K·艾利M·尤斯曼C·F·巴图斯
Owner FORD GLOBAL TECH LLC
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