Flow proportioning mixer for gaseous fuel and air and internal c

Internal-combustion engines – Charge forming device – Charge-mixing device in intake

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481801, 123337, 137888, 137892, 366 21, 422108, 422111, 422112, B01J 820, F27B 808, F27B 809, F27B 812

Patent

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052459772

ABSTRACT:
A flow proportioning mixer is provided for mixing gaseous fuel and air, the mixer having therein a gas chamber adapted to discharge the gaseous fuel to a mixing channel, an air chamber adapted to direct the air into the mixing channel to mix with the fuel, a plunger reciprocally mounted in the mixing channel to define an annular passage in the channel, a pressure regulator for maintaining the pressure of the gas in the gas chamber and the air in the air chamber at a selected ratio, and a motor responsive to an engine exhaust content sensor to move the plunger in the mixing channel.

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patent: 4579097 (1986-04-01), Yamamoto et al.
patent: 4670195 (1987-06-01), Robson
patent: 5012788 (1991-05-01), Feldinger
patent: 5029564 (1991-07-01), Neutzer
patent: 5035222 (1991-07-01), Feldinger

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