| 摘要 |
PROBLEM TO BE SOLVED: To provide a highly reliable compressor provided with an oil pump capable of supplying sufficient oil to a sliding part constructing the compressor even at a time of low speed operation. SOLUTION: This compressor is provided with an oil pump 130 formed on an lower end of a shaft 117. The oil pump 130 is provided with a cylindrical member 133 fixed in a cylindrical cavity part 131 formed at a lower end of the shaft 117, a sleeve supported on same axis as the shaft 117 and rotatably arranged on the cylindrical member, and an oil head means 147 arranged on same axis as the shaft 117 and rotating together with the shaft 117. The highly reliable compressor making leak from an oil passage small and securing oil conveyance quantity to a compression element 110 even at low speed rotation can be provided by providing oil seal means between the cylindrical member 131 and the sleeve and providing the insertion member arranged movably in a radial direction in the sleeve. COPYRIGHT: (C)2006,JPO&NCIPI
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