Water filtering apparatus with water flow switch valve device

Details Water filtering apparatus with water flow switch valve device Water filtering apparatus with water flow switch valve device

1997-11-26

2001-06-12

Cintins, Ivars (Department: 1724)

Liquid purification or separation

Particulate material type separator, e.g., ion exchange or...

With rehabilitation means

C210S425000

Reexamination Certificate

active

06245233

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates generally to a water filtering apparatus, and more particularly to a water filtering apparatus with a switch valve for changing the direction of flow of water into a water container.
2. Description of the Prior Art
With the fast developments of industries, our sources of water have been considerably polluted. Water filtering apparatuses are therefore very popular today. With conventional water filtering apparatuses, it is necessary to replace the filter and/or filtering after a period of time or to clean the filter and/or filtering mesh regularly. One problem of replacing or cleaning the filter and/or filtering mesh is that the user may have to take the water filtering apparatus apart and then assemble it after replacement or cleaning. This is very troublesome. Besides, replacement filters and filtering meshes are quite expensive.
SUMMARY OF THE INVENTION
Accordingly, a primary object of the present invention is to provide a water filtering apparatus with a switch valve device so that the user may be able to control the direction of water flow so as to purge the water container conveniently, without the need to dismantle the water filtering apparatus for cleaning or replacement of the filter and/or filtering mesh.
Another object of the present invention is to provide a water filtering apparatus with a switch valve device in which the switching position of the switch valve can be easily and correctly identified.
A further object of the present invention is to provide a water filtering apparatus with a switch valve device in which the filtering materials can be conveniently filled into the water container or discharged from the water container.


REFERENCES:
patent: 576378 (1897-02-01), Robinson
patent: 2897968 (1959-08-01), Nergaard
patent: 3513981 (1970-05-01), Mendelow
patent: 4674538 (1987-06-01), Yes
patent: 4968334 (1990-11-01), Hilton

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