| 摘要 |
PROBLEM TO BE SOLVED: To provide a compressor capable of being substantially made small in size miniaturized and light in weight, and being simultaneously made low in noise and vibration, and to provide an oxygen concentrator. SOLUTION: The compressor includes a set of a first piston, a first eccentric cam and a first cylinder chamber, a set of a second piston, a second eccentric cam and a second cylinder chamber, a set of a third piston, a third eccentric cam and a third cylinder chamber, a set of a fourth piston, a fourth eccentric cam and a fourth cylinder chamber, and lead valves 50 and 51, and the lead valves are turned to a plurality of head independent type sheet valve structures. COPYRIGHT: (C)2010,JPO&INPIT
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