Invention Grant
- Patent Title: Pump capable of dispensing both a large volume and a small volume of colorant
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Application No.: US15537787Application Date: 2015-12-18
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Publication No.: US10533543B2Publication Date: 2020-01-14
- Inventor: Song Huang , Weihong Niu
- Applicant: ZHENGZHOU SANHUA TECHNOLOGY & INDUSTRY CO., LTD
- Applicant Address: CN Xingyang
- Assignee: ZHENGZHOU SANHUA TECHNOLOGY & INDUSTRY CO., LTD
- Current Assignee: ZHENGZHOU SANHUA TECHNOLOGY & INDUSTRY CO., LTD
- Current Assignee Address: CN Xingyang
- Agency: Hamre, Schumann, Mueller & Larson, P.C.
- Priority: CN201410792472 20141219; CN201410792479 20141219; CN201410792555 20141219
- International Application: PCT/CN2015/097973 WO 20151218
- International Announcement: WO2016/095865 WO 20160623
- Main IPC: F04B5/00
- IPC: F04B5/00 ; F04B7/00 ; F04B13/00 ; F04B19/22 ; F04B23/02 ; F04B49/22 ; B01F15/04 ; B01F13/10 ; F04B9/111 ; F04B27/12 ; B67D7/02 ; F04B53/10 ; F16K11/085 ; F16K31/04 ; F04B15/02
Abstract:
A pump capable of dispensing both a large volume and a small volume of colorant comprises a large reciprocating positive displacement pump having a large reciprocating part, a large pump body and a large pump inlet-outlet opening, characterized in that: a small reciprocating part fixed to the large reciprocating part is disposed in the large pump body; a small pump body is disposed on a base of the large pump body, and provided with a small pump inlet-outlet opening; and the small reciprocating part, the small pump body and the small pump inlet-outlet opening constitute a small reciprocating positive displacement pump.
Public/Granted literature
- US20170350377A1 PUMP CAPABLE OF DISPENSING BOTH A LARGE VOLUME AND A SMALL VOLUME OF COLORANT Public/Granted day:2017-12-07
Information query
