Regulator for mounting on the outlet connection of a gas cylinde

Details Regulator for mounting on the outlet connection of a gas cylinde Regulator for mounting on the outlet connection of a gas cylinde

1984-08-03

1985-11-05

Weakley, Harold W.

Fluid handling

Line condition change responsive valves

Safety cut-off requiring reset

137458, 13750512, F16K 1700

Patent

active

045507465

ABSTRACT:
The housing (5, 6) of the regulator contains a medium-pressure chamber (10) to which gas is supplied from the cylinder when a self-closing cylinder valve (2) is open and which communicates with the regulator outlet (14) through a further valve (b 13), and a low-pressure chamber (23) in open communication with the outlet. The medium-pressure chamber (10) has a diaphragm wall (15) with a spindle (16) for controlling the cylinder valve (2). The low-pressure chamber (23) has a diaphragm wall (22) for controlling the further valve (13) through a connecting rod (20) carried by the diaphragm wall and coacting at its upper end with a manual selector (21) and at its lower end with the valve opener spindle (16). By means of the selector the connecting rod may be locked in a raised position in which the cylinder valve (2) is closed.
The connecting rod (20) is associated with a lockable spring mechanism (27) which is unlocked in response to a predetermined overpressure in the low-pressure chamber and which then moves the connecting rod to its raised position. This prevents a leakage of gas in case of a ruptured diaphragm or flexible tube if the further valve (13) does not close tightly when the gas consumption has been discontinued.

REFERENCES:
patent: 3043332 (1962-07-01), Henriques
patent: 3892258 (1975-07-01), Hendrick

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