Gas-liquid mixing metering system

Details Gas-liquid mixing metering system Gas-liquid mixing metering system

1982-02-17

1983-09-20

Schwadron, Martin P.

Fluid handling

Self-proportioning or correlating systems

Mixture condition maintaining or sensing

1372055, G05D 1103

Patent

active

044049846

ABSTRACT:
A gas-liquid blender (30) is provided for metering a liquid into the controlled flow of gas. The blender (30) includes a gas inlet (32), an outlet (42), a variable proportioning device or mixing valve (38) between the gas inlet (32) and outlet (42), and a liquid inlet (36) to the variable proportioning device (38). A diaphragm controlled servo positioning valve (44) is disposed between the gas inlet (32) and the variable proportioning device (38) and is opened and positioned by a diaphragm controlled throttle valve (58) which differentially senses liquid pressure and gas pressure to the variable proportioning device (38). Adjustment means (102, 104) are provided for the throttle valve (58) to increase the pressure difference across the liquid leg of the variable proportioning device (38) between the liquid inlet (36) and the outlet (42) without increasing the pressure difference across the gas leg of the variable proportioning device (38).

REFERENCES:
patent: 1179468 (1916-04-01), Stenning
patent: 2384669 (1945-09-01), Fields
patent: 2588242 (1952-03-01), Hunter
patent: 2691504 (1954-10-01), Jones
patent: 3220710 (1965-11-01), Forster
patent: 3776274 (1973-12-01), Riley
patent: 4295545 (1981-10-01), Hiei

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