Device for controlling the gas stream delivered by a pressurized

Details Device for controlling the gas stream delivered by a pressurized Device for controlling the gas stream delivered by a pressurized

1990-12-20

1992-09-29

Cuchlinski, Jr., William A.

Fluent material handling, with receiver or receiver coacting mea

Filling or refilling of dispensers

141 46, 251 635, B67D 112, B65B 3104

Patent

active

051507412

ABSTRACT:
A device for controlling, in association with a stop valve, the gas stream delivered by a pressurized gas reservoir, whose casing is provided with an opening so that the inside of said reservoir may be connected to the outside. A cylinder is divided into a first chamber and a second chamber by a piston. The first chamber is in communication with the opening in the casing and includes an orifice which can be connected with the stop valve. A core is connected to the piston on the side thereof turned towards the first chamber. The core cooperating with the orifice so as to form a variable flow section as a function of the position of the piston in the cylinder. A passage with a non-return valve establishes communication between the first and second chambers of the cylinder. A controllable locking device is capable of locking the piston in the cylinder.

REFERENCES:
patent: 3556135 (1971-01-01), Koyama et al.
patent: 3910553 (1975-10-01), Boylan
patent: 4657224 (1987-04-01), Lattuada

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