Gas and liquid contact apparatus – Fluid distribution – Pumping
Patent
1980-01-14
1981-09-29
Miles, Tim R.
Gas and liquid contact apparatus
Fluid distribution
Pumping
261 41B, 261 44A, 261 44G, 261 67, 261DIG56, 261DIG74, F02M 1110
Patent
active
042922577
ABSTRACT:
A carburetor and valving therefor comprising a hollow tubular housing secured between top and base plates, said housing having outer and inner walls. A roller valve having a bore through the axis thereof and a radially extending pre-mixing chamber intersecting said bore is rotatably positioned within said housing by a pair of rods. The roller valve has a plurality of chordal ribs thereon, and spaces between said chordal ribs define air guides converging towards the opening of said pre-mixing chamber. One of said rods has a bore extending therethrough and opens into a larger bore at the inner end thereof. The circumference of the inner end of the rod has a rectangular cut-out therein, said cut-out having a flat wall through which a plurality of off-set orifices extend into the inner larger bore. The other of said rods has a reduced inner end portion having a chamber therein and a bore extending from the front face of the inner end extends into said chamber. A rectangular slot cut in the circumference of the reduced inner end has a knife-like edge thereon, said slot opens into the inner chamber.
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