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Non-condensing exhaust system

a non-condensing, exhaust system technology, applied in the direction of fluid heaters, liquid transfer devices, lighting and heating apparatus, etc., can solve the problems of preventing condensation, and affecting the operation of the exhaust system

Inactive Publication Date: 2007-05-17
HONEYWELL INT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0007] In another embodiment, a method of preventing condensation on an exhaust pipe having cooled exhaust flowing there through is provided. The method comprises heating the exhaust pipe with a heater embedded with the exhaust pipe.

Problems solved by technology

Exhaust systems that expel cold exhaust gases are susceptible to the production of condensation.
As a result of the cold GN2 exhaust flow, pipes that direct the exhaust flow can freeze and the formation of condensation will occur.
This results in moisture accumulating in areas next to the system expelling the cold exhaust gas.
However, the insulation needed to wrap the pipe is expensive.
Moreover, the insulation can takes up a lot of room.
This is an issue when the space in limited or the system producing the exhaust is portable.
Moreover, another problem associated with insulation is that over time mold will develop in and on the insulation creating a health concern.

Method used

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Embodiment Construction

[0014] In the following detailed description, reference is made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration specific embodiments in which the inventions may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention, and it is to be understood that other embodiments may be utilized and that logical, mechanical and electrical changes may be made without departing from the spirit and scope of the present invention. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is defined only by the claims and equivalents thereof.

[0015] Embodiments of the present invention provide a method of processing the flow of cold exhaust through an exhaust pipe to prevent or at least reduce the formation of condensation on the exhaust pipe. In one embodiment, a heater is embedded with the exhaust pipe to hea...

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Abstract

An exhaust system for relatively cooled gases. The exhaust system includes an exhaust pipe and a heater. The exhaust pipe is adapted to contain a flow of cold exhaust gas and the heater is adapted to heat the flow of cold exhaust gas.

Description

TECHNICAL FIELD [0001] The present invention relates generally to exhaust systems and in particular to exhaust systems for relatively cold exhaust gases. BACKGROUND [0002] Exhaust systems that expel cold exhaust gases are susceptible to the production of condensation. An example of a system that produces cold exhaust fumes is a heat exchange system. In a heat exchanger system, thermal energy is transferred between a fluid like LN2 in a first thermally conductive container and a working fluid in a second thermally conductive container. The LN2 when placed in the confined space of a thermally conductive container of a heat exchanger will turn into gas (GN2) that is expelled as an exhaust flow. As a result of the cold GN2 exhaust flow, pipes that direct the exhaust flow can freeze and the formation of condensation will occur. This results in moisture accumulating in areas next to the system expelling the cold exhaust gas. [0003] In the past, the moisture problem has been addressed by i...

Claims

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Application Information

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IPC IPC(8): F24H1/10
CPCF23J15/08F23J2900/15081
Inventor CUTTING, GUS W.HARTNEY, NICHOLAS A.WEBB, WINSTON S.
Owner HONEYWELL INT INC