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US 11,686,500 B2Granted
Air circulator
AssigneeIris Ohyama Inc.
InventorsHideki Yamamoto, Kazuhito Fukumasu, Hiroshi Ishikawa
Life of this patent
Estimating the term…
Abstract
An air circulator includes a blower unit that is provided with an airflow opening on a front side of the blower unit. A grill is provided in the airflow opening, and is provided with airflow guide blades in a spiral manner Each of the airflow guide blades is convex toward an airflow direction between its inner end portion and its outer end portion to form the grill three-dimensionally. The grill further includes a circular ring that intersects with the airflow guide blades.
Claims4
An air circulator comprising:
- a blower unit that is provided with an airflow opening on a front side of the blower unit, a grill being provided in the airflow opening,
- wherein the grill is provided with a plurality of airflow guide blades in a spiral manner,
- wherein each of the airflow guide blades is convex toward an airflow direction between an inner end portion thereof and an outer end portion thereof to form the grill three-dimensionally, and
- wherein the grill further includes a circular ring that intersects with the airflow guide blades.
1 more element
An air circulator comprising:
- a blower unit that is provided with an airflow opening on a front side of the blower unit, a grill being provided in the airflow opening,
- wherein the grill is provided with a plurality of airflow guide blades in a spiral manner,
- wherein each of the airflow guide blades is convex toward an airflow direction between an inner end portion thereof and an outer end portion thereof to form the grill three-dimensionally, and
- wherein each width of the airflow guide blades in a front-rear direction increases from the outer end portion to the inner end portion.
1 more element
An air circulator comprising:
- a blower unit that is provided with an airflow opening on a front side of the blower unit, a grill being provided in the airflow opening,
- wherein the grill is provided with a plurality of airflow guide blades in a spiral manner,
- wherein each of the airflow guide blades is convex toward an airflow direction between an inner end portion thereof and an outer end portion thereof to form the grill three-dimensionally, and
- wherein the blower unit further includes a cover that forms an outer panel of the blower unit, the cover and the grill forming a continuous surface.
1 more element
Dependencies are inferred from the claim text.