Back to results
US 12,655,853 B2Granted
Combined fan blade structure and air outlet device
AssigneeXuxin Technology (Shenzhen) Group Co., Ltd
InventorsPing Zhang, Sin Hin Wu, Xinglin Sun, Huizhu Zhou, Yelin Sun, Lanying Luo
Life of this patent
Estimating the term…
Abstract
The combined fan blade structure includes: an inner hub, an outer hub, a first blade set, and a second blade set. The outer hub and the inner hub are coaxially arranged, the first blade set is connected to an outer peripheral surface of the outer hub, the second blade set is located between the inner hub and the outer hub, and the outer hub blocks the second blade set.
Claims15
A combined fan blade structure, comprising:
- an inner hub;
- an outer hub coaxially arranged with the inner hub and arranged around the inner hub;
- a first blade set connected to an outer peripheral surface of the outer hub, wherein the first blade set comprises a plurality of first blades, and the plurality of first blades are distributed at intervals in a circumferential direction of the outer hub;
- and
- a second blade set connected between the inner hub and the outer hub, wherein the second blade set comprises a plurality of second blades, the plurality of second blades are distributed at intervals in a circumferential direction of the inner hub, and the outer hub blocks sides of the second blades facing the outer hub,
- wherein the outer hub has a radially inner surface and a radially outer surface inclined in a direction away from a rotation axis of the inner hub in an air outlet direction, the radially inner surface and the radially outer surface are nonparallel.
3 more elements
Dependencies are inferred from the claim text.