Tandem compressors with economized operation

Details Tandem compressors with economized operation Tandem compressors with economized operation

2005-08-16

2005-08-16

Norman, Marc (Department: 3744)

Refrigeration

Automatic control

Diverse, cascade or compound refrigeration-producing system

C062S197000, C062S510000, C062S513000

Reexamination Certificate

active

06928828

ABSTRACT:
A refrigerant cycle includes economized tandem compressors. The refrigerant cycle is also provided with a common economizer circuit for all tandem compressors. Common manifolds communicate discharge, suction and economizer return flows within the refrigerant cycle to each of the tandem compressors. Also, an optional unloader function is provided for each of the compressors. Various arrangements allow enhanced operation control, improved system reliability and reduced equipment life-cycle cost.

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Systems & Advanced Technologies Engineering S.r.I., publication entitled “Compsys—Dynamic Simulation of Gas Compression Plants”, dated Jun. 12, 2002.
Copeland Europe publication entitled “Refrigeration Scroll for Parallel Applications” dated Feb. 26, 2002.

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