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:
Oct. 27, 2020
Filed:
Apr. 15, 2016
Qingdao Haier Drum Washing Machine Co., Ltd., Qingdao, Shandong, CN;
QINGDAO HAIER DRUM WASHING MACHINE CO., LTD., Qingdao, Shandong, CN;
Abstract
A draining anti-siphon device has a water outlet pipe comprising a first water pipe and a second water pipe which are connected with each other, the pipe diameter of at least part of the second water pipe is larger than the pipe diameter of the first water pipe, one end of an air pipe is communicated with the second water pipe, and the communicating position of the air pipe and the second water pipe is located at a radial surface of the second water pipe, so that siphon reverse flow is prevented by means of a diameter changing structure of the air pipe and the water outlet pipe. In a washing machine, the draining anti-siphon device is mounted on a draining hose, the air pipe of the draining anti-siphon device is communicated with the outer drum of the washing machine.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile