Valve device for the prevention of the overfilling of portable c

Details Valve device for the prevention of the overfilling of portable c Valve device for the prevention of the overfilling of portable c

1983-05-10

1984-09-04

Nilson, Robert G.

Fluid handling

Control by change of position or inertia of system

With second control

137 45, 137389, 137447, 141213, F16K 1736, F16K 3118

Patent

active

044691165

ABSTRACT:
A valve device serving to prevent overfilling of portable containers, particularly liquid gas cylinders, includes a ball which is freely rotatable relative to a spherical seating face in a casing having a filling channel extending to said seating face. The ball has a passage which in the prescribed filling position communicates with the channel, and the ball is through a rod and a flexible link connected to a load member. As long as this load member is above the liquid level, it tends to keep the ball, and thus its passage in a given orientation so that the communication is broken if the container is tilted away from the prescribed filling position.
When the liquid level has reached a predetermined height, the load member acts as a float so as to interrupt the filling operation by causing the ball to change its orientation.

REFERENCES:
patent: 689176 (1901-12-01), Ford
patent: 2082723 (1937-06-01), Seward

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