| 摘要 |
PROBLEM TO BE SOLVED: To provide a gas compressor for reducing the power and improving the compressibility and durability by reducing the vane back pressure without impairing the popping property of the vane at the start of the compressor. SOLUTION: Chamfering groves 22, 23 and a high pressure supply hole 24 are disposed separately from each other, and the intervals between them is such that a vane groove 11 will not communicate with both the chamfering grooves 22, 23 and the high pressure supply hole 24 at the same time when he vane groove 11 moves away from the chamfering grooves 22 and 23 toward the high pressure supply hole 24. In addition, when the pressure is reversed between an intake (low pressure chamber) 14 and delivery chamber (high pressure chamber) 15, a pressure regulating valve 50 is operated at the start of the compressor and the chamfering groove 23 is made to communicate with the intake chamber 14.
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