Fluid handling – Self-proportioning or correlating systems – Supply and exhaust type
Patent
1982-02-25
1984-07-31
Cohan, Alan
Fluid handling
Self-proportioning or correlating systems
Supply and exhaust type
13762414, F16K 1106
Patent
active
044624182
ABSTRACT:
A pneumatically energized, pre-packaged, unit for selectively controlling the pressure, cycle and time duration of an air actuated work device includes a protective housing having an air pressure regulator, an air inlet orifice and a visably exposed pressure gauge adapted to communicate with an external source of pressurized air. The housing also contains a pair of three-way time delay valves and auxillary volume chambers, with integral time delay adjustment knobs protruding above the top surface of the housing. Also contained within the housing is a four-way valve means, either of the single or double piloted type, which is pneumatically piped, either in a parallel or series circuit array, to the three-way time delay valves and the air pressure regulator. The four-way valve means includes first and second air outlet ports which are connected to a pair of air outlet orifices mounted on the exterior of the housing, which, in turn, are adapted to be connected to the air supply lines of a remotely located, pneumatic work device. When the external, pressurized, air supply is activated, the four-way valve delivers air to the work device at a predetermined pressure by adjustment of a pressure regulator knob positioned on the housing adjacent to the pressure gauge. The pressurized air is also delivered to the work device at a predetermined cycle and duration by selective rotation of the time delay adjustment knobs of the three-way valves.
REFERENCES:
patent: 3530890 (1970-09-01), Bird
patent: 3653393 (1972-04-01), Love
patent: 3942518 (1976-03-01), Tenteris
patent: 4046898 (1977-12-01), Petersen
Clippard Instrument Laboratory, Inc.; Catalog: "Minimatic Modular Components", Catalog No. 477; pp. 15 and 33.
Baldauf Kent E.
Cohan Alan
The Al Xander Co., Inc.
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