Patent · US Active

Fan apparatus and air conditioner outdoor unit

US12221977B2 · kind B2 · utility

0Cited by

6References

18Claims

0Family size

Assignees

GD MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD. · CN
Midea Group Co., Ltd. · CN

Inventors

Qizhen WANG · Shanghai, CN
Yuefei LI · Shanghai, CN
Naitong LIU · Shanghai, CN
Feng Yang · Lausanne, CH
Yandong WU · Foshan, CN
Zhenjiang ZHAN · Shanghai, CN
Longxin ZHANG · Shanghai, CN
Weitao Chen · Beijing, CN

Key dates

Filing date	Nov 22, 2022
Grant date	Feb 11, 2025
Priority date	—
Expiry date	Dec 16, 2042

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04D29/384
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

Disclosed are a fan apparatus and an air conditioner outdoor unit. The fan apparatus includes: a first wind wheel and a second wind wheel, axially arranged in an interval. A spacing S1 between the first wind wheel and the second wind wheel satisfies S1<(H1+H2)/2, where H1 is a length of the first wind wheel along the axial direction, and H2 is a length of the second wheel along the axial direction.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.