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U.S. Department of Energy
Office of Scientific and Technical Information

Apparatus for automatically metering gas into liquid

Patent ·
OSTI ID:6128154
An apparatus is described for automatically metering gas into liquid, comprising successively arranged in a gas supply line, a gas pressure regulator, a gas flow meter, a gas flow governor, a vacuum check valve, and an ejector connected to a supply line of the liquid being gasified, a liquid flow meter installed in the supply line of the liquid, and a control system having respective inputs connected to outputs of the gas and liquid flow meters and its output connected to an actuating device of the gas flow governor, characterized in that the gas flow governor and vacuum check valve are integrated into a single unit comprising a sealed chamber having its two opposite walls formed by two substantially parallel diaphragms, a hollow cylinder accommodated between the two diaphragms and having its one end fixedly attached to one diaphragm for axially reciprocating therewith and having a central opening made through the other end thereof, a sleeve having one end closed and mounted coaxially with the cylinder in the center of the other diaphragm and fixedly attached by the closed end thereof to an output element of the actuator of the gas flow governor.
Assignee:
Tallinskoe Proizvodstvennoe Upravlenie Vodosnabsheniya I Kanalizatsil, Tallinn
Patent Number(s):
US 4817659
OSTI ID:
6128154
Country of Publication:
United States
Language:
English