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:
Dec. 20, 2022
Filed:
May. 11, 2022
Southwest Petroleum University, Chengdu, CN;
Huohai Yang, Chengdu, CN;
Xuanyu Liu, Chengdu, CN;
Binghong Xie, Chengdu, CN;
Jie Yue, Chengdu, CN;
Jingxin Ruan, Chengdu, CN;
Xing Liu, Chengdu, CN;
Southwest Petroleum University, Chengdu, CN;
Abstract
The present invention discloses a novel double-valve continuous circulating valve with a clamping device, comprising a main through valve (), a pup joint body (), a middle connector () and a bypass valve (); the main through valve seat (), the main through valve () and the main through valve spring () are press-fitted in the pup joint body () through a main through valve limiting device (); a bypass valve seat () is arranged at the lower side of the pup joint body (), and the bypass valve () is mounted and fixed to the bypass valve seat () through a bypass valve limiting device (); the middle connector () is press-fitted on the pup joint body () through a clamping device. The present invention solves the technical problems of dangerous incidents caused by the suspension of circulating medium.