Improved control device

A technology of flow control and household water, which is applied in the direction of flow control, flow control without auxiliary power, control/regulation system, etc. It can solve the problems of not providing flow control, expensive manufacture and maintenance, etc., and achieves easy installation and flow regulator simple effect

Inactive Publication Date: 2012-10-31
UNILEVER NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The problem with devices such as venturis and baffles is that they require regular manual intervention and do not provide uniform flow control
On the other hand, more complex electronically, electrically, wind-powered and hydraulically driven systems are more reliable, but expensive to manufacture and maintain

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0047] Demonstration of Flow Conditioning

[0048] Will figure 1 The filter shown in is used to demonstrate the control of water flow regardless of the height difference in the top chamber (1). Various heights from 170mm - 55mm were taken in the top chamber (1) and the flow of water through the outlet (OT) was measured (Example 1). Except without flow regulator (FR), with figure 1 The test was repeated for the filter shown in (Comparative Example A). The results are shown in Table 1.

[0049]

[0050] The results show that in the presence of a flow regulator (FR), the water flow rate is independent of the head drop in the top chamber. This is not the case in Comparative Example A. The flow regulator of the present invention thus effectively decouples the correlation of upstream flow rate variations from the feed to the sterilant distributor, allowing for uniform delivery of sterilant.

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Abstract

The invention provides a flow regulator for controlled gravity flow of fluid comprising: - a flow control reservoir adapted to discharge the required volume of fluid and comprising at least one inlet for entry of the fluid into the reservoir,- at least one siphon discharge operatively connected to the flow control reservoir and adapted to control the flow rate of the fluid from the reservoir. The flow regulator is particularly suitable for the provision of control over the flow of water in water purification systems, especially gravity flow water purification devices for the purification of water for domestic consumption.

Description

[0001] This application is a divisional application, the filing date of its parent case is February 6, 2004, the application number is 200480004545.4, and the name is "improved control equipment". technical field [0002] The present invention relates to a flow regulator and, in particular, to a regulator for the controlled release of fluid under gravity flow. Such systems may be used in conjunction with decontamination systems such as biocide delivery systems (such as halogenated resins or chlorine-containing tablets) that require controlled contact of the fluid with the active substance for the decontamination process. Background technique [0003] Purification systems of the type described above require the fluid to be treated to pass through the purification unit under gravity flow in order to effect contact of the flowing fluid with the fluid treatment medium employed. Gravity flow in such systems needs to be controlled for effective treatment and purification. [0004...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/50G05D7/01C02FC02F1/00C02F1/28C02F1/68
CPCC02F1/006C02F1/688C02F2303/185C02F1/003G05D7/0186C02F1/283C02F1/50C02F1/76
Inventor P·R·达维M·M·米斯特里N·穆赫杰J·A·瓦亚尔
Owner UNILEVER NV
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