| 摘要 |
PROBLEM TO BE SOLVED: To restrain an abnormal sound and abnormal abrasion, and to expand a service condition of a compressor by activaly supplying oil to rocking bush clearance and blade clearance even if an oil level of an oil reservoir lowers. SOLUTION: Communicating passages 13 and 14 for communicating with an oil passage 4a are arranged inside a crankshaft 4, and oil is introduced to the communicating passages 13 and 14 from the oil passage 4a. The oil introduced to the communicating passages 13 and 14 is introduced to oil supply grooves 15 and 16 arranged on a front head 9 and a rear head 10 via ring- shaped oil pocket parts 18 and 19 arranged in at least one of the outer periphery of the crankshaft 4 and the inner periphery of the front head 9. The oil introduced to the oil supply grooves 15 and 16 is supplied to a rocking bush 7.
|
