Patent ID: 9661732
Date: 2017-05-23
CPC Classifications: H05H

Claim:
1. A plasma generation apparatus comprising: a flow path tube through which a liquid flows, the flow path tube including at least one of a concave portion and a convex portion which is located on an internal wall surface of the flow path tube, an inside of the flow path tube communicating with an external space of the flow path tube through a gas introduction path; a liquid feed device which flows the liquid into the flow path tube; a first electrode at least part of which is located in the inside of the flow path tube; a second electrode at least part of which is located in the inside of the flow path tube; a power source which applies a predetermined voltage between the first electrode and the second electrode; and a control circuit which makes the liquid feed device flow the liquid into the flow path tube, and makes the power source apply a predetermined voltage between the first electrode and the second electrode, wherein the at least one of the concave portion and the convex portion causes, when the liquid flows therethrough, a pressure difference to be generated between at least part of the inside of the flow path tube and the external space of the flow path tube, to cause a gas to be introduced into the liquid from the external space through the gas introduction path, the power source applies the predetermined voltage between the first electrode and the second electrode in a state in which a bubble containing the gas is generated in the liquid, and the gas is introduced into the liquid without use of a gas feed device.