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:
Mar. 18, 2025
Filed:
Jun. 16, 2022
Micro-tech (Nanjing) Co., Ltd., Nanjing, CN;
Hongyan Jin, Nanjing, CN;
Hui Liu, Nanjing, CN;
Jinwei Pang, Nanjing, CN;
Derong Leng, Nanjing, CN;
Changqing Li, Nanjing, CN;
Jiefeng Xi, Nanjing, CN;
Ning Li, Nanjing, CN;
Chunjun Liu, Nanjing, CN;
Zhi Tang, Nanjing, CN;
Jianyu Wei, Nanjing, CN;
MICRO-TECH (NANJING) CO., LTD., Nanjing, CN;
Abstract
Provided are a pressure-pump cartridge and a pressure pump, where the pressure-pump cartridge includes a cylinder, where the cylinder has a first chamber, a piston chamber and a second chamber hat are in communication in sequence, and the piston chamber is used for being in sealing fit with a piston. An end of the first chamber remote from the piston chamber is provided with a first opening allowing entry of the piston, and during installation, the piston enters the first chamber by the first opening and enters the piston chamber after passing through the first chamber, and meanwhile, the first chamber is configured to be in a clearance fit with the piston, such that the size of the first chamber is larger than that of the piston.