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Assembly for and method of dispensing a liquid

A liquid and component technology, applied in chemical instruments and methods, mixer accessories, liquid variable capacity machinery, etc., can solve the problem of colorant waste and other issues

Pending Publication Date: 2017-05-24
FAST & FLUID MANAGEMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, flushing means waste of colorant

Method used

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  • Assembly for and method of dispensing a liquid
  • Assembly for and method of dispensing a liquid
  • Assembly for and method of dispensing a liquid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0033] figure 1 The main parts of an example of a device 1 for dispensing viscous liquids, such as colorants or dyes, are shown. This particular dispensing device comprises a turntable 2 rotatable about a vertical axis by means of a drive (not shown) in order to rotate the turntable 2 between discrete positions. Mounted on the carousel 2 are a plurality of assemblies 3 each comprising a container 4 for containing liquid, a pump 5 and a valve 6 . Additional details of the device and turntable are disclosed in US Patent No. 6,273,298, the contents of which are incorporated herein by reference.

[0034] Figure 2 to Figure 4 A cross-section of the pump 5 and valve 6 is shown. The pump 5 is a piston pump and comprises a piston rod 5A equipped with a piston 5B positioned in a cylinder 5C of the pump 5 , and an upper flange 5D. The flange 5D can be engaged by a control 7 comprising an actuator adapted to move the piston rod 5A and piston 5B upwardly during the intake stroke and...

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PUM

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Abstract

Assembly (3) for dispensing a liquid, in particular a colorant for paint, comprising a container (4) for holding a liquid, a pump (5), a valve (6), at least one dispense opening (23, 24), and comprising or associated with a controller (7) arranged to operate the pump (5) and the valve (6) to withdraw liquid from the container (4) and to dispense liquid via the opening (23, 24) and to operate the pump (5) and the valve (6) to purge liquid from the pump (5) to the container (4) via the dispense opening (23, 24).

Description

technical field [0001] The present invention relates to assemblies and methods for dispensing liquids, especially colorants for paints. Background technique [0002] EP 1 492 970 relates to a valve assembly for a fluid dispenser comprising a housing having at least a first opening and a second opening, a valve member mounted in the housing, the valve member being rotatable about an axis and comprising a first A passage extending along said axis and communicating with the first opening in the housing, and at least two outlet passages extending radially from the first passage to the outer periphery of the valve member, wherein each radially extending outlet passage can The valve member is aligned with the second opening by rotation. [0003] EP 1 688 652 relates to a similar valve assembly in which at least one of the housing and the valve member is made of a synthetic material and the assembly further comprises a spring which urges the valve member towards or to the inner wa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F5/10B01F13/10B01F15/04B05B15/531
CPCF04B13/00F04B15/02F04B23/02F04B23/06F04B7/0007F04B7/0046F16K11/0876B01F25/50B01F33/841B01F35/8822B01F2101/30B05B15/531B01F35/122B01F35/2136B01F35/7544B01F35/7547
Inventor J.H.N.波斯特M.恩格斯R.P.克罗姆
Owner FAST & FLUID MANAGEMENT