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.

Date of Patent:
Sep. 10, 2024

Filed:

Aug. 22, 2022
Applicant:

Sichuan University, Chengdu, CN;

Inventors:

Ru Zhang, Chengdu, CN;

Zetian Zhang, Chengdu, CN;

Zhilong Zhang, Chengdu, CN;

Li Ren, Chengdu, CN;

Chendi Lou, Chengdu, CN;

Kun Xiao, Chengdu, CN;

Anlin Zhang, Chengdu, CN;

Qijun Hao, Chengdu, CN;

Lanbin Zhang, Chengdu, CN;

Assignee:

SICHUAN UNIVERSITY, Chengdu, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F15B 15/14 (2006.01); F15B 15/22 (2006.01);
U.S. Cl.
CPC ...
F15B 15/1428 (2013.01); F15B 15/1447 (2013.01); F15B 15/226 (2013.01); F15B 15/1414 (2013.01); F15B 15/1466 (2013.01);
Abstract

A bottom cylinder for a high-temperature and high-pressure environment simulator of a high-fidelity corer is provided. The bottom cylinder includes a cylinder barrel. The bottom of the cylinder barrel is provided with a cylinder base. The piston is provided inside the cylinder barrel and divides an inner cavity of the cylinder barrel into a rodless cavity and a rod cavity. The piston is provided with a piston rod. The outer wall of the cylinder barrel is provided with an oil inlet hole communicated with the rodless cavity, an oil outlet hole communicated with the rod cavity, and a reserved hole. The lower end surface of the piston is provided with a first buffer ring, and the upper surface of the cylinder base is provided with a second buffer ring mated with the first buffer ring. The bottom cylinder is applied to the simulator for oil and gas resource exploitation.


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