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High temperature resistant tube-to-header mechanical joint for air-to-air aftercooler

A technology of mechanical joints and coolers, applied in the direction of mechanical equipment, machines/engines, tubular components, etc.

Active Publication Date: 2019-09-10
CATERPILLAR INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is still a need for cost-effective ATAAC tube-to-header joints with higher temperature capabilities for use in engines with higher power densities

Method used

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  • High temperature resistant tube-to-header mechanical joint for air-to-air aftercooler
  • High temperature resistant tube-to-header mechanical joint for air-to-air aftercooler
  • High temperature resistant tube-to-header mechanical joint for air-to-air aftercooler

Examples

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Embodiment Construction

[0027] Now refer to the attached picture , and specifically refer to figure 1 , the machine 10 is shown. Generally, machine 10 may include an internal combustion engine 12 to provide power to drive movement of machine 10 , and other optional features such as wheels 14 (or tracks), and operator control station 16 . For example, machine 10 may be a mining truck 18 , but it may also be other types of mobile or stationary machines such as, but not limited to, wheel loaders, excavators, bulldozers, drill rigs, power shovels, or material handlers. In other examples, machine 10 may be any type of mobile or stationary machine (manned or unmanned) that includes an air-to-air aftercooler (ATAAC) 20 (see figure 2 ).

[0028] go to figure 2 , shows engine system 22 of machine 10 . The engine system 22 may include an air intake system 24 that directs intake air to the internal combustion engine 12 for combustion. The air intake system 24 may include an air compressor 26 that is pa...

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PUM

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Abstract

An air-to-air aftercooler (ATAAC) (20) configured to cool compressed air from an air compressor (26) is disclosed. The ATAAC (20) may comprise a first header (50). The first header (50) may include aplurality of slots (70) each having a recessed groove (74). The ATAAC (20) may further comprise a plurality of core tubes (58) each including a first end (60) inserted in a respective one of the slots(70) of the first header (50). The ATAAC (20) may further comprise a plurality of mechanical joints (76) each connecting the first end (60) of one of the core tubes (58) to the first header (50). Each of the mechanical joints (76) may include a C-ring (78) inserted in the recessed groove (74) of one of the slots (70), and a clamp (82) clamping the core tube (58) to the first header (50). The C-ring (78) and the clamp (82) may both be formed from a metallic material.

Description

technical field [0001] The present disclosure relates generally to air-to-air aftercoolers and, more particularly, to air-to-air aftercoolers with high temperature resistant tube-to-header mechanical joints. Background technique [0002] Engine systems for many machines, vehicles and equipment include an air intake system that delivers intake air to an internal combustion engine for combustion with fuel. The air intake system may include an air compressor that pressurizes the intake air to force more air into the engine for combustion. At higher engine power densities, the temperature of the compressed air at the outlet of the compressor can approach or even exceed 350°C. In newer engine designs, there may be higher compressor outlet temperatures at higher engine power densities. [0003] To cool the compressed air prior to introduction into the engine, the intake system may also include an air-to-air aftercooler (ATAAC) downstream of the air compressor. An ATAAC may incl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B29/04F28F9/013F28F21/08
CPCF28F2275/20F28F9/06F28F9/165F28D1/05366F28F1/025F28D2021/0082F28F2275/085F28F21/084F02B29/0425F02B29/0456F28F2275/08Y02T10/12
Inventor J·L·肯尼迪N·谢思J·M·沃尔克E·S·扎诺瑞C·E·萨博塔N·特里
Owner CATERPILLAR INC