The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 23, 2024
Filed:
Mar. 29, 2022
Beijing Shunzao Technology Co., Ltd., Beijing, CN;
Beijing Xiaomi Mobile Software Co., Ltd., Beijing, CN;
Yongcheng Zuo, Beijing, CN;
Cheng Tang, Beijing, CN;
Fei Duan, Beijing, CN;
Liang Zhong, Beijing, CN;
Shan Gao, Beijing, CN;
Tiantian Zhang, Beijing, CN;
Beijing Shunzao Technology Co., Ltd., Beijing, CN;
BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., Beijing, CN;
Abstract
An autonomous cleaning device and a noise reduction air duct device are provided for autonomous cleaning device. The autonomous cleaning device includes a body and a motor arranged on the body, and the noise reduction air duct device is mounted on the body. The noise reduction air duct device includes an upper housing, a lower housing and a support noise reduction structure made of elastic material. The lower housing and the upper housing enclose to form an air duct, an air inlet is arranged at a position of the air duct corresponding to the motor, and an air outlet is arranged on a side of the air duct away from the air inlet; the support noise reduction structure has a first end fixed on the lower housing, and a second end abutting against a lower surface of the upper housing.