div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: conventional compressor The ring is held in place at full- load so that the ports are closed When demand declines the modulating ring opens the two ports and the suction gases enter src=https:reader031fdocumentsusreader031viewer20220305095ab951017f8b9aa6018db768html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: conventional compressor The ring is held in place at full- load so that the ports are closed When demand declines the modulating ring opens the two ports and the suction gases enter src=https:reader031fdocumentsusreader031viewer20220305095ab951017f8b9aa6018db768html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: conventional compressor The ring is held in place at full- load so that the ports are closed When demand declines the modulating ring opens the two ports and the suction gases enter src=https:reader031fdocumentsusreader031viewer20220305095ab951017f8b9aa6018db768html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdiv