Fluid handling – With means for separating solid material from the fluid – Hollow strainer – fluid inlet and outlet perpendicular to...
Patent
1991-09-09
1993-04-06
Chambers, A. Michael
Fluid handling
With means for separating solid material from the fluid
Hollow strainer, fluid inlet and outlet perpendicular to...
13762547, 210390, E03B 707
Patent
active
051994585
ABSTRACT:
A multi-way valve of the present invention is to locate the rotatable valve core by the openings set in the valve body, the valve ports and the valve core are to be optimally sealed. An L-shaped passage is provided in the valve core, wherein a filter element is appropriately fitted. Thus it has the functions of filtering, reverse flushing of the filter element, shutting off the medium source, and serving as pre-valve and post-valve by-pass. The multi-way valve of the present invention can be further incorporated in the inlet and outlet passages of an automatic control valve. By using the valve of the present invention, three hand-operated valves, a filter and other accessories of pipeline can be omitted, the pipeline arrangements can be significantly simplified. Such valves can have their filter elements expediently reverse - flushed without taking out the filter element, and can be suitably used with its filter element flushed either by the medium source itself which flows in the pipeline, or by a different medium. They can also be used to flush the valves, pumps and other apparatus in the pipelines, and make the pipeline systems simple and easy to operate.
REFERENCES:
patent: 1646514 (1927-10-01), Winton
patent: 2095217 (1937-10-01), Jones
patent: 3348694 (1967-10-01), Smith
patent: 3779388 (1973-12-01), Coughlin
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