To provide a valve device capable of controlling opening and closing of a plurality of flow passages communicating with a suction port and a discharge port, miniaturizable with simple structure.
This valve device is provided with a valve element 18 arranged in four flow passages formed between one suction port 12 and four discharge ports 13, 14, 15 and 16 and having a passage 18b forming a part of the flow passage, a plurality of slide members 12 driving the valve elements 18 respectively, and a drum 8 having four cam parts 8a, 8b, 8c and 8d driving the slide members 21. The cam parts 8a, 8b, 8c and 8d of the drum 8 are arranged along an axial direction of the drum 8 to have a predetermined distance, and are arranged in positions shifted to a peripheral direction of the drum 8 with each another.
Ichiro Suzuki
Hirohiro Ichimura
Kazuo Kobayashi
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