G - Physics – 05 – D
Patent
G - Physics
05
D
G05D 16/00 (2006.01) F15B 11/028 (2006.01) F15B 21/06 (2006.01) F15C 1/04 (2006.01) F15C 4/00 (2006.01) G05D 16/16 (2006.01)
Patent
CA 2464964
The invention is intended to reduce steady state gas consumption of a pneumatic device such as a controller having a bleed nozzle. The instrument comprises two zero-bleed modules, more particularly a low pressure regulating module and a pressure amplifying module. Both modules are supplied with power gag from an existing line pressure regulator assembly. The pressure of one stream of power gas is reduced through the low pressure regulating module and is introduced into the controller. Gas pressure from the controller output is transmitted to the receiving port of the pressure amplifying module. A second stream of power gas goes to the pressure amplifying module and is used in conjunction with the signal from the regulating module utilizing a multiplier ratio such as 1:6. The amplifying module outputs a proportional control signal that is then transmitted to a controlled device, such as a pressure control naive in a pipeline.
Hearn Timothy Charles
Johnson Ernest Peter
LandOfFree
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