【Mechanical Equipment Technology Edition】Daily Question 20171024: 2D Diagram of Compressors

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Starting today, in order to enhance communication among those interested in marine equipment, we have launched the 【Daily Question】 campaign on the Technical Forum for Mechanical Equipment. We hope everyone will participate actively to progress and improve together! ! ! Rewards: 3 wealth points for active participation, 10-15 wealth points for correct answers. This question is valid for two days; no scoring will be given after that period. As shown in the figure below, in the previous session we discussed the working principle of energy regulation devices. In this session, we will focus on the power source for energy regulation – oil pressure. Please analyze the functions of the 4 oil ports based on the figure below! http://attach01.hcbbs.com/forum/201710/23/173239vtp7bzvuqdvppccy.jpg ================================ High-quality promotions: Mechanical equipment——Maintenance procedures for York screw compressors http://bbs.hcbbs.com/thread-1806833-1-1.html Mechanical equipment——Upgrading of York Quinton control centers http://bbs.hcbbs.com/thread-1804837-1-1.html Mechanical equipment——Major repairs for GEA Grasox screw compressors http://bbs.hcbbs.com/thread-1800467-1-1.html Mechanical equipment——Disassembly and maintenance of British HOWDEN screw compressors http://bbs.hcbbs.com/thread-1832529-1-1.html Mechanical equipment——Disassembly and maintenance of Japanese Maekawa MYCOM screw compressors http://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1786445