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OILING STRUCTURE OF HORIZONTAL ROTARY COMPRESSOR
OILING STRUCTURE OF HORIZONTAL ROTARY COMPRESSOR
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机译:水平旋转式压缩机的油结构
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摘要
PURPOSE:To increase supply oil quantity by forming the cross-sectional area of supply oil passage in the interior of a bearing member so as to be contracted at the intersecting part where oiling grooves are connected. CONSTITUTION:On the inner circumferential surface 22 of a main bearing 21, a ring-shaped supply oil passage 23 is formed. On the inner circumferential surface 22, a supply oil groove 26 which is extended along the axial direction of a turning shaft and which is connected to the supply oil passage 23 so as to intersect it in the axial direction is formed. At the intersecting part A where the supply oil passage 23 intersects the supply oil groove 26, the cross-sectional area of supply oil passage 23 is formed so as to be contracted. Thus, the inflow pressure to the supply oil groove can be increased at the intersecting part, and in the high-speed rotating region, sufficient lubricating oil quantity can be secured.
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