Proportional fluid blending device for blending two or more gase

Details Proportional fluid blending device for blending two or more gase Proportional fluid blending device for blending two or more gase

1994-09-22

1995-09-26

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Self-proportioning flow systems

137114, 13751611, 261 502, G05D 1103

Patent

active

054527376

ABSTRACT:
A device for the blending of gases or liquids having an inlet adapter, a main body, an outlet adaptor, a valve plate, and a spring arm. Air enters the inlet adaptor and passes through an air port in the main body. Fuel is supplied to a fuel port in the main body through a nipple and a passage. The fuel port and the air port share a common valve seating plane and are aligned side by side along the innermost edge of the valve seating plane. The spring arm applies a force to the valve plate which forces the valve plate towards the valve seating plane. The valve plate pivots about the innermost edge of the valve seating plane in response to the downstream demand for the blend and forms a common angle above the air and fuel ports, which results in proportionally exposed port areas. The downstream demand for the blend provides a pressure difference across the valve plate which acts against the valve plate spring to position the valve plate to a balanced position. Air and fuel from the air port and the fuel port exit the blending device through the outlet adapter. Any change in the downstream demand results in the repositioning of the valve plate.

REFERENCES:
patent: 1063030 (1913-05-01), Heidelmann
patent: 2142665 (1939-01-01), Brett
patent: 2629448 (1953-02-01), Duggan
patent: 4149562 (1979-04-01), Johnson
patent: 4197809 (1980-04-01), Johnson
patent: 4354516 (1982-10-01), Newell
patent: 4465456 (1984-08-01), Hynek

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