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. 17, 2025
Filed:
Mar. 13, 2023
Sichuan Honghua Petroleum Equipment Co., Ltd, Sichuan, CN;
Fangfang Zhang, Sichuan, CN;
Weili Huang, Sichuan, CN;
Jian Cheng, Sichuan, CN;
Qiong Yang, Sichuan, CN;
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD, Sichuan, CN;
Abstract
A crosshead part for drilling pumps includes an upper guide plate, a lower guide plate and a crosshead, wherein the crosshead reciprocates in a straight line between the upper guide plate and the lower guide plate; at least one of the upper and lower guide plates has an oil inlet for introducing external lubricating oil between the at least one of the upper and lower guide plates and an arc surface of the crosshead. A crosshead system for drilling pumps includes a lubricating pipeline system and the crosshead part. The lubricating pipeline system includes a main pipeline and N branch pipelines. A drilling pump includes the crosshead part or the crosshead system.