公开(公告)号：US20210277881A1

公开(公告)日：2021-09-09

申请号：US16330704

申请日：2017-03-30

Applicant: XIAMEN KOGE MICRO TECH CO., LTD.

Inventor： Kunlin Chang ,  Chunlian Wang

IPC: F04B43/02

Abstract: A piston for a pump and a pump are provided. A piston bladder (2) of the piston is cylindrical in shape, a chamber (20) is a cylindrical chamber, the chamber (20) has as inner diameter of 9.2±0.5 mm, the chamber (20) has a depth of 3.8±0.5 mm, the piston bladder (2) has a wall with a thickness of 0.5±0.3 mm, and the piston bladder (2) has an outer circumferential surface, a part of the outer circumferential surface connected to a base plate (1) protrudes outwards radially to form a protective sleeve (21).

公开(公告)号：US11835036B2

公开(公告)日：2023-12-05

申请号：US16330704

申请日：2017-03-30

Applicant: XIAMEN KOGE MICRO TECH CO., LTD.

Inventor： Kunlin Chang ,  Chunlian Wang

IPC: F04B43/02 ,  F04B43/00

CPC classification number: F04B43/02 ,  F04B43/0054 ,  F04B43/0045

Abstract: A piston for a pump and a pump are provided. A piston bladder (2) of the piston is cylindrical in shape, a chamber (20) is a cylindrical chamber, the chamber (20) has as inner diameter of 9.2±0.5 mm, the chamber (20) has a depth of 3.8±0.5 mm, the piston bladder (2) has a wall with a thickness of 0.5±0.3 mm, and the piston bladder (2) has an outer circumferential surface, a part of the outer circumferential surface connected to a base plate (1) protrudes outwards radially to form a protective sleeve (21).