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:
Nov. 11, 2025
Filed:
Sep. 21, 2022
Zhejiang Dunan Artificial Environment Co., Ltd., Zhejiang, CN;
Jiafeng Zhu, Zhejiang, CN;
ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD., Zhejiang, CN;
Abstract
Provided is a connecting pipe assembly and a control valve assembly. The connecting pipe assembly includes a first connecting pipe, a connecting sleeve and a second connecting pipe; a first end of the first connecting pipe is disposed in the connecting sleeve, the connecting sleeve is provided with a first end and a second end opposite to each other, the first end of the connecting sleeve is connected with an outer side wall of the first connecting pipe, the inner wall of the middle part of the connecting sleeve and the outer wall of the first end of the first connecting pipe have a gap in between, the gap forms an accommodating cavity; and one end of the second connecting pipe is connected with the second end of the connecting sleeve, and an end of the second connecting pipe is disposed in the connecting sleeve.