Flow passage switching valve
AssigneeFujikoki Corporation
InventorKenichiro NAGAHAMA
Life of this patent
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Abstract
There is provided a flow passage switching valve that can individually perform the flow control of flow passages of a system including a plurality of flow passages while reducing the number of parts. A first flow passage in which a first inlet and a first outlet formed at a valve body communicate with each other through communication holes of a cylindrical valve element portion of a valve element and a second flow passage in which a second inlet and a second outlet communicate with each other through the communication holes of the cylindrical valve element portion are switched according to a change of a rotational position of the valve element.
Claims12
A flow passage switching valve comprising:
- a valve body that includes a valve chest formed therein and first and second inlets and first and second outlets communicating with the valve chest and formed at an outer peripheral portion thereof;
- a valve element including a cylindrical valve element portion that is rotatably received in the valve chest and includes a plurality of communication holes formed at an outer peripheral portion thereof in a circumferential direction;
- and
- a rotating drive unit that rotates the valve element about an axis thereof,
- wherein a first flow passage in which the first inlet and the first outlet communicate with each other through the communication holes and a second flow passage in which the second inlet and the second outlet communicate with each other through the communication holes are switched according to a change of a rotational position of the valve element.
Dependencies are inferred from the claim text.