Fluid handling – With indicator – register – recorder – alarm or inspection means – Position or extent of motion indicator
Patent
1988-06-24
1989-10-10
Chambers, A. Michael
Fluid handling
With indicator, register, recorder, alarm or inspection means
Position or extent of motion indicator
1373825, 251 26, 251 29, 251292, 60413, F16K 2708
Patent
active
048724823
ABSTRACT:
An operator for remotely opening and closing the valve on a gas cylinder includes a metal frame having an enclosed upper portion, a support plate extending across the upper portion and a mounting wall extending downwardly from a side of the upper portion. On the mounting wall is a C-shaped clamp which is adapted to extend around and be secured to a non-cylindrical portion of the cylinder valve to secure the frame to the cylinder. On the mounting wall below the clamp is an additional clamping means which extends around a cylindrical portion of the cylinder to further secure the frame to the cylinder. A pneumatic activator is mounted on the support plate and has a shaft extending through an opening in the support plate in alignment with the valve stem of the cylinder valve. A coupling member is on the shaft and connects the shaft to the valve stem. A pneumatic circuit is connected to the actuator and includes means for remotely operating the actuator to rotate the actuator shaft so as to open and close the cylinder valve. A reserve cylinder of gas is connected to the pneumatic circuit to provide a flow of gas which automatically operates the activator to close the cylinder valve in the event of disruption of the main source of operating gas to the pneumatic circuit.
REFERENCES:
patent: 2340999 (1944-02-01), Trott
patent: 2352140 (1944-06-01), Trott
patent: 3460799 (1969-08-01), Santuary
patent: 3522817 (1970-08-01), Raymond
patent: 4065094 (1977-12-01), Adams
patent: 4120478 (1978-10-01), Hasegawa
patent: 4280373 (1981-07-01), Denkowski
patent: 4380325 (1983-04-01), Palmer
patent: 4527715 (1985-07-01), Rosenbaum
patent: 4629157 (1986-12-01), Tsuchiya et al.
patent: 4637423 (1987-01-01), Gray
Air Products and Chemicals Inc.
Chambers A. Michael
Marsh William F.
Simmons James C.
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