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Compressor aftercooler bypass with integral water separator

A technology of coolers and air compressors, applied in the direction of liquid variable displacement machinery, machines/engines, refrigerators, etc., can solve problems such as complex problems

Inactive Publication Date: 2018-08-21
NEW YORK AIR BRAKE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As the temperature of the air in the pipes drops, the water will further precipitate out, complicating the problem

Method used

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  • Compressor aftercooler bypass with integral water separator
  • Compressor aftercooler bypass with integral water separator
  • Compressor aftercooler bypass with integral water separator

Examples

Experimental program
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Embodiment Construction

[0012] Referring now to the drawings, in which like reference numerals denote like parts throughout, in figure 1 See aftercooler bypass system 10 in . The system 10 is interconnected to the air compressor 12 via a connector conduit 14 fluidly interconnected to the second stage outlet 16 of the compressor 12 such that at least a portion of the air exiting the compressor 12 exits the aftercooler of the conventional aftercooler 20 Inlet tube 18 may be redirected to system 10 . Connector conduit 14 diverts compressed air exiting outlet 16 of air compressor 12 to bypass valve assembly 22 having mixing chamber 24 . The mixing chamber 24 is also interconnected to the discharge flange 34 of the aftercooler 20 so that the cooled air leaving the aftercooler 20 can mix with the hot air diverted through the connector duct 14 . The valve assembly 22 also includes a bypass valve 26 that may be selectively opened or closed, or at least partially opened, based on a threshold, such as ambien...

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PUM

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Abstract

An aftercooler bypass system for selectively allowing a portion of the hot compressed gases exiting an air compressor to bypass an aftercooler and intermix with the cooled compressed gases exiting the aftercooler in order to ensure that the cooled compressed gases are above a threshold temperature when the ambient air temperature is at or below freezing. The system includes a valve for controlling the amount of air diverted around the aftercooler and a mixing chamber for allowing the valved air supply to intermix with the aftercooler outlet stream. Temperature sensor may be used to measure ambient air temperature and downstream air temperature to control the opening and closing of the valve and maintain the desired mixed air temperature.

Description

technical field [0001] The present invention relates to compressor aftercooler bypass systems, and more particularly, to aftercooler bypasses with integral water separators. Background technique [0002] Railroad braking systems rely on, among other things, air compressors to generate compressed air for pneumatic braking systems. Because the compression of the air results in heating the air to a temperature that is too hot for the braking system, railroad air compressors are often provided with an aftercooler to cool the compressed air to 20°F to 40°F above ambient temperature. The cooled compressed air is then supplied to the locomotive's air supply system through a compressor discharge pipe connected to the first main container. This discharge pipe can be as long as 30 feet and may have to include several ninety degree bends. In winter operation, when ambient air temperatures can be well below freezing (32°F), water vapor and mist in the compressed air stream can freeze ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B39/06F04B39/16F25J3/00F25B43/00
CPCF04B39/16
Inventor 埃里克·C·莱特
Owner NEW YORK AIR BRAKE CORP