Fan blade, fan and fan lamp
AssigneesSuzhou Opple Lighting Co., Ltd., Opple Lighting Co., Ltd.
InventorsYaowei Wang, Xingan Liu, Guobao Zhang, Xiaolei Wang
Life of this patent
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Abstract
A fan blade, a fan and a fan lamp. The fan blade includes: a blade root; a blade tip; a leading edge, which connects the blade root to the blade tip and is located on a windward side; and a trailing edge, which connects the blade root to the blade tip and is located on a leeward side, wherein the leading edge is configured in a wavy shape from the blade root towards the blade tip, the trailing edge is configured in an arc shape, and the distance between the leading edge and the trailing edge increases first and then decreases from the blade root towards the blade tip.
Claims14
A fan blade, comprising:
- a blade root,
- a blade tip,
- a leading edge connecting the blade root and the blade tip wherein the leading edge is located on a windward side, and
- a trailing edge connecting the blade root and the blade tip wherein the trailing edge is located on a leeward side, wherein:
- the leading edge is arranged in a wavy shape from the blade root toward the blade tip, and the trailing edge is arranged in an arc shape, such that a distance between the leading edge and the trailing edge first increases and then decreases from the blade root toward the blade tip,
- the blade tip comprises a first arc, a straight edge, and a second arc,
- two ends of the straight edge are connected to the first arc and the second arc, and
- an end of the first arc away from the straight edge is connected to the leading edge, an end of the second arc away from the straight edge is connected to the trailing edge, a radius of the first arc is 25-80 mm, and a radius of the second arc is 2-10 mm.
A fan, comprising a hub and a fan blade that is connected to the hub, wherein the fan blade comprises:
- a blade root,
- a blade tip,
- a leading edge connecting the blade root and the blade tip wherein the leading edge is located on a windward side, and
- a trailing edge connecting the blade root and the blade tip wherein the trailing edge is located on a leeward side, wherein:
- the leading edge is arranged in a wavy shape from the blade root toward the blade tip, and the trailing edge is arranged in an arc shape, such that a distance between the leading edge and the trailing edge first increases and then decreases from the blade root toward the blade tip,
- the blade tip comprises a first arc, a straight edge, and a second arc,
- two ends of the straight edge are connected to the first arc and the second arc, and
- an end of the first arc away from the straight edge is connected to the leading edge, an end of the second arc away from the straight edge is connected to the trailing edge, a radius of the first arc is 25-80 mm, and a radius of the second arc is 2-10 mm.
A fan lamp, comprising a rotating disk and a plurality of fan blades, wherein one of the plurality of fan blades comprises:
- a blade root,
- a blade tip,
- a leading edge connecting the blade root and the blade tip wherein the leading edge is located on a windward side, and
- a trailing edge connecting the blade root and the blade tip wherein the trailing edge is located on a leeward side, wherein:
- the leading edge is arranged in a wavy shape from the blade root toward the blade tip, and the trailing edge is arranged in an arc shape, such that a distance between the leading edge and the trailing edge first increases and then decreases from the blade root toward the blade tip,
- the blade tip comprises a first arc, a straight edge, and a second arc,
- two ends of the straight edge are connected to the first arc and the second arc, and
- an end of the first arc away from the straight edge is connected to the leading edge, an end of the second arc away from the straight edge is connected to the trailing edge, a radius of the first arc is 25-80 mm, and a radius of the second arc is 2-10 mm;
- and
- the plurality of fan blades are arranged on the rotating disk in a retractable or expandable manner.
Dependencies are inferred from the claim text.