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Patent Searching and Data


Title:
LIQUID PUMPING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/020063
Kind Code:
A1
Abstract:
Disclosed is a liquid pumping device, comprising a first component (21), a second component (22) and a third component (8), wherein the second component moves relative to the first component in a fixed manner; a medium inlet (12) and a medium outlet (13) not in communication with each other are provided in a contact surface of the first component in liquid tightness sliding fit with the second component; a groove (10) is provided in a contact surface of the second component in liquid tightness sliding fit, and the groove moves along a fixed path in the range of the contact surface in liquid tightness sliding fit; and the movement path of the groove respectively passes the medium inlet, the medium outlet and the third component, the third component is arranged on the side of the medium outlet in the forward movement direction of the groove, and when the groove moves forward through the third component, the part of the third component entering the groove extrudes the medium in the groove to the medium outlet. The quantification of liquid by the device of the present invention is determined by the groove, and the principle facilitates the control of the output precision of the pump.

Inventors:
SHI, Yuyang (No.148, Houdatou Shangren Village, Tangxian Tow, Yongkang Zhejiang 4, 321314, CN)
Application Number:
CN2018/097126
Publication Date:
January 31, 2019
Filing Date:
July 25, 2018
Export Citation:
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Assignee:
SHI, Yuyang (No.148, Houdatou Shangren Village, Tangxian Tow, Yongkang Zhejiang 4, 321314, CN)
International Classes:
F04B13/00
Foreign References:
CN105332873A2016-02-17
CN1152676A1997-06-25
JPH11132140A1999-05-18
CN202165260U2012-03-14
CN203272084U2013-11-06
CN101290002A2008-10-22
Attorney, Agent or Firm:
HANGZHOU YOUNGSUN INTELLECTUAL PROPERTY AGENCY (SHANG, XudongRoom 421, 14th Building, No.1 Jiuhua Road, Jianggan Distric, Hangzhou Zhejiang 9, 310019, CN)
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