F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
137/43.2
F16K 17/00 (2006.01) G05D 16/06 (2006.01)
Patent
CA 1220696
-10- ABSTRACT The housing (5, 6) of the regulator contains a medium-pressure chamber (lO) 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 (13), and a low- pressure chamber (23) in open communication with the outlet. The medium-pressure chamber (lO) has a diaphragm wall (15) with a spindle (16) for controlling the cylinder valve (2). The low-pressure chamber (23) has a diaphraym wall (22) for controlling the further valve (13) through a con- necting 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 reponse 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 urther valve (13) does not close tightly when the gas consumption has been discontinued. (Fig. 1)
460358
Hansen Frits U.
Jensen Ove
Johnson Douglas S. Q.c.
Kosan Teknova A/s
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