US 2024/0343571 A1Published application

Active oxygen supply device

AssigneeCanon Kabushiki Kaisha

InventorsYUICHI KIKUCHI, MASATSUGU HONGO, ATSUSHI UEMATSU, MASAKI OZAWA, TAKUMI FURUKAWA, KAZUHIRO YAMAUCHI

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Abstract

An active oxygen supply device equipped with a cylindrical housing having a first opening and a second opening opposite to the first opening, a plasma actuator arranged in the housing, and an ozone decomposition device, in which the plasma actuator causes dielectric barrier discharge to blow out an induction flow, the plasma actuator is arranged such that the blow direction of the induction flow faces the second opening, an air flow that flows from the first opening to the second opening is generated in the housing by the action of the induction flow, the ozone decomposition device decomposes the ozone contained in the air flow to generate active oxygen in the air flow, and the plasma actuator and the ozone decomposition device are arranged such that the air flow containing the active oxygen can flow out to the exterior of the active oxygen supply device through the second opening.

Claims15

Dependent claims

An active oxygen supply device comprising:

a cylindrical housing having a first opening and a second opening opposite to the first opening;
a plasma actuator disposed in the housing;
and
an ozone decomposing device, wherein
the plasma actuator has a first electrode, a dielectric material, and a second electrode,
the dielectric material is interposed between the first electrode and the second electrode to electrically insulate the first electrode and the second electrode from each other,
the first electrode is an exposed electrode provided on a first surface, which is one surface of the dielectric material,
the plasma actuator causes a dielectric barrier discharge directed from the first electrode to the second electrode by applying a voltage between the first electrode and the second electrode and causes an induced flow containing ozone to be blown out from the first electrode in a first direction, which is one direction along the surface of the dielectric material,
the plasma actuator is disposed such that a direction in which the induced flow is blown out faces the second opening, and causes the induced flow to cause an air flow directed from the first opening to the second opening inside of the housing, the ozone decomposing device decomposes the ozone contained in the air flow to generate active oxygen in the air flow, and the air flow results in an air flow containing the active oxygen, and
the plasma actuator and the ozone decomposing device are arranged such that the air flow containing the active oxygen flows out from the second opening to the outside of the active oxygen supply device.

7 more elements

An active oxygen supply device comprising:

a cylindrical housing having a first opening and a second opening opposite to the first opening;
and
an ozone decomposing device, wherein
the cylindrical housing includes a dielectric material,
in a cross section of the cylindrical housing in a direction along an axial direction thereof, a first electrode, which is an exposed electrode provided to cover a portion of an inner surface of the cylindrical housing, is disposed on the inner surface, while a second electrode electrically insulated from the first electrode via the dielectric material is disposed externally of the inner surface of the housing,
the active oxygen supply device causes a dielectric barrier discharge directed from the first electrode to the second electrode by applying a voltage between the first electrode and the second electrode and causes an induced flow containing ozone to be blown out from the first electrode in a direction of the second opening, which is one direction along the inner surface of the housing,
the induced flow causes an air flow directed from the first opening to the second opening inside of the cylindrical housing,
the ozone decomposing device decomposes the ozone contained in the air flow to generate active oxygen in the air flow, and the air flow results in an air flow containing the active oxygen, and
the first electrode, the second electrode, and the ozone decomposing device are arranged such that the air flow containing the active oxygen flows out from the second opening.

6 more elements

An active oxygen supply device comprising:

a cylindrical housing having a first opening and a second opening opposite to the first opening;
and
an ozone decomposing device, wherein
the cylindrical housing includes a dielectric material,
in a cross section of the cylindrical housing in a direction along an axial direction thereof, a first electrode, which is an exposed electrode provided to cover a portion of an inner surface of the cylindrical housing, is disposed on the inner surface, while a second electrode electrically insulated from the first electrode via the dielectric material is disposed externally of the inner surface of the housing,
the active oxygen supply device causes a dielectric barrier discharge directed from the first electrode to the second electrode by applying a voltage between the first electrode and the second electrode and causes an induced flow containing ozone to be blown out from the first electrode in a direction of the second opening, which is one direction along the inner surface of the housing,
the induced flow causes an air flow directed from the first opening to the second opening inside of the cylindrical housing,
the first electrode and the second electrode are arranged such that the air flow containing the ozone flows out from the second opening, and
the ozone decomposing device decomposes the ozone contained in the air flow flown out from the second opening to cause active oxygen in the air flow.

6 more elements

Dependencies are inferred from the claim text.