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Air dryer cartridge

A technology for air dryers and cylinders, applied in air handling devices, air handling equipment, brakes, etc., can solve problems such as deterioration and clogging of elastic seals

Inactive Publication Date: 2011-02-02
WABCO AUTOMOTIVE (UK) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although oil deposited in this way is unlikely to damage air system components in the same way as moisture, over time the deposit of oil mist can cause problems such as clogging of narrow passageways in air system components and deterioration of elastomeric seals

Method used

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  • Air dryer cartridge
  • Air dryer cartridge
  • Air dryer cartridge

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] see first Figures 1 to 3 , an air dryer cartridge generally indicated at 10 is shown. The cartridge comprises a base 12, a cover 14, an inner container 16 containing a desiccant material 18 and a collection means 20 arranged around a lower portion of the desiccant container. The cover 14 is sealingly joined to the base 12 by crimping an edge of the cover 14 around the base 12 . The base 12 is provided with a plurality of apertures including: a central purge inlet / fill outlet aperture 22; a circumferentially spaced array of fill inlet apertures 24 surrounding the central aperture 22; Another circumferentially spaced array of purge outlet holes 26 of both arrays 24 . The term "charge" in connection with the inlet and outlet refers to the flow of air through the cartridge 10 from the compressor to the storage chamber of the air system within which the air dryer 10 is located. The term "purge" in association with the inlet and outlet then refers to the reverse flow of a...

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PUM

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Abstract

The present invention provides desiccant cartridge (10) for a vehicle air dryer, the cartridge (10) having a casing comprising a base (12) and a cover (14), the cartridge (10) further having a charge inlet (24) arranged to receive air from a compressor and a charge outlet (22) in fluid communication with the charge inlet (24), the casing containing a coalescing means (20) and a desiccant (18) arranged between the charge inlet (24) and the charge outlet (22) such that air entering the casing via the charge inlet (24) passes sequentially through the coalescing means (20) and desiccant (18) before reaching the charge outlet (22), wherein the cartridge (10) is further provided with a purge outlet (26) disposed in the casing between the coalescing means (20) and desiccant (18), and the charge inlet (24), charge outlet (22) and purge outlet (26) are provided in the base (12) of the cartridge (10).

Description

technical field [0001] The present invention relates to an air dryer cartridge for use with an air dryer fitted to an onboard air system. Background technique [0002] It is known to provide air drying means - hereinafter referred to as air dryers - in vehicle air systems. Typically the air dryer unit is located between the air source, such as a compressor, and the storage room. Air dryers include a desiccant material, such as a hygroscopic material such as silica gel, that removes moisture from the air supplied by the compressor, thereby preventing said moisture from depositing downstream in the vehicle air system, as described over time. Moisture can damage components of the vehicle's air system here. To address moisture buildup in the desiccant material, the air dryer is periodically purged with dry air from the storage chamber vented to the atmosphere. Desiccant purges are usually performed during periods when the compressor is idling and the storage room is not in hi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/26B60H3/02B60T17/00
CPCB60T17/004B01D53/261Y10S55/17B60H3/024B60H2003/028B01D53/26
Inventor 伊格尼舍斯·米洛莫
Owner WABCO AUTOMOTIVE (UK) LTD