Patent ID: 6105930
Filing Date: 2000-08-22
Classification: F16K

Abstract:
A fluid controller comprising:a valve body for housing fluid channels, the valve body having,a fluid inlet channel, anda fluid outlet channel;a tubular bonnet with a lower end attached to the valve body and a shaped upper surface;a valve stem, having an upper end and a lower end, moveably disposed in the tubular bonnet and associated with the fluid inlet channel and the fluid outlet channel wherein upward and downward movement of the valve stem opens and closes the fluid inlet channel and the fluid outlet channel;an elastic member housed in the tubular bonnet for biasing the valve stem;a horizontal pin extending through the upper end of the valve stem and movable therewith;a horizontal pin drive device pivotally movable about an axis of the horizontal pin, anda roller associated with the horizontal pin drive device for rolling along the shaped upper surface of the tubular bonnet,wherein the pivoting of the horizontal pin drive device causes the roller to roll along the upper surface of the tubular bonnet causing the upward and downward movement of the valve stem resulting in the opening and closing of the fluid inlet channel and the fluid outlet channel.