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4133 — New Back-Pressure Control System Improving the Annual Performance of Scroll Compressors

$7.50

Conference Proceeding by ASHRAE, 1998

Category:

Description

The performance of a compressor using the back-pressure control system discussed here is much better than that of a conventional compressor, especially under the cooling half-load condition at a low speed and compression ratio. Nearly optimum performance is obtained under all operating conditions by keeping the back pressure at a level that is a constant amount above the suction pressure. This reduces friction at the sliding portion between the orbiting and fixed scrolls, and eliminating the back-pressure holes decreases the compression loss due to the “breathing action.” This back-pressure control system greatly improves the annual performance (reduces annual energy consumption) of household air conditioners.

Units: SI

Citation: ASHRAE Transactions, 1998, Vol 104, pt. 1A, San Francisco

Product Details

Published:
1998
Number of Pages:
8
File Size:
1 file , 240 KB
Product Code(s):
D-7801