SCROLL COMPRESSORS dms.hvacpartners（卷轴压缩机dms.hvacpartners）.pdfVIP

SCROLL COMPRESSORS HIGH EFFICIENCY COMPRESSION FOR COMMERCIAL AND INDUSTRIAL APPLICATIONS ® CarCarrier Corrier Corporporaationtion Carrier Corporation CarCarrier Corrier Corporporaationtion SyrSyracuseacuse, Ne, New Yw Yororkk Syracuse, New York SyrSyracuseacuse, Ne, New Yw Yororkk OctoberOctober October 2004 OctoberOctober 1 TABLE OF CONTENTS INTRODUCTION 2 Scrolls 9 Scroll Compressor History and Development 2 Seals 10 Compressor Protection 10 OPERATING PRINCIPLES 3 Geometry of a Scroll 3 EFFICIENCY AND PERFORMANCE 11 The Scroll Set 3 APPLICATIONS 13 Compression Process 4 Compliance 4 RELIABILITY 13 Sealing Techniques 6 SUMMARY 14 CONSTRUCTION AND OPERATION 7 Shell 7 REFERENCES 15 Motor and Crankshaft 8 INTRODUCTION classification may be technically more exact, but the distinction is not compelling in the HVAC What is a scroll compressor? According to marketplace. Orbiting scroll compressors and ASHRAE’s HVAC Systems and Equipment Hand- rotary twin-screw compressors are both viable, book (ASHRAE 2004, Chapter 34), “Scroll com- positive-displacement technologies in commercial pressors are orbital motion, positive-displacement applications such as air-cooled water chillers. The machines that compress with two interfitting, rotary-like movement of their compressing ele- spiral-sh