Internal-combustion engines – Charge forming device – Gaseous fuel and air mixer
Patent
1990-06-22
1991-12-10
Dolinar, Andrew M.
Internal-combustion engines
Charge forming device
Gaseous fuel and air mixer
F02M 2104
Patent
active
050708511
ABSTRACT:
A fuel/mixing device for mixing producer gas with air is provided to generate a suitable air/fuel mixture for firing an internal combustion engine. Stepped venturi inlets are utilized, whereby the gas is expanded as the air is reduced, to both accelerate and mix the gas with the air as it is introduced into the throat of a carburetor. Means are provided for adjusting the air flow without disturbing the standard throttle on the carburetor. The mixing device is adapted to be mounted on existing carburetors, permitting retrofitting of existing equipment. The device permits start-up with gasoline and a smooth transition from gasoline fuel start-up to full operation on producer gas.
REFERENCES:
patent: 986754 (1911-03-01), Podhajsky
patent: 2939775 (1960-06-01), Middleton et al.
patent: 4497304 (1985-05-01), Wintrell et al.
patent: 4519363 (1985-05-01), Bernardoni et al.
Design, Development and Performance of a Small-Scale Rice Hull Gasifier-Engine System for Continuous Operation (Master of Science Thesis), V. M. Tiangco, 1986, pp. 1-85.
Effect of Compression Ratio on Performance of Single Cylinder Spark Ignition Engine Fueled with Producer Gas Generated from Rice Hulls (Mast. of Science Thesis) I. R. Camacho, 1988, pp. i-x, and 1-7.
Briggs & Stratton Corp.
Dolinar Andrew M.
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