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:
Jun. 16, 2026
Filed:
Sep. 08, 2023
Tsinghua University, Beijing, CN;
Fei Guo, Beijing, CN;
Chong Xiang, Beijing, CN;
Yijie Huang, Beijing, CN;
Fan Zhang, Beijing, CN;
Yu Tian, Beijing, CN;
Yuming Wang, Beijing, CN;
Tsinghua University, Beijing, CN;
Abstract
A performance testing device for the piston rod sealing assembly includes a bracket, a support apparatus, a drive apparatus and a leakage detection apparatus, where the support apparatus includes a cylinder body that is internally provided with a movable channel, and the movable channel is configured to allow a piston rod equipped with a sealing component to pass therethrough; the drive apparatus is provided on the bracket and configured to be connected with the piston rod; the leakage detection apparatus includes a limit member and an oil receiver, the limit member is provided with a detection channel and an oil channel and connected to the cylinder body, the detection channel is communicated with the movable channel and configured to allow the piston rod to pass therethrough; one end of the oil channels is communicated with the detection channel and the other end thereof is communicated with the oil receiver.