Fluid handling – Systems – Multi-way valve unit
Patent
1987-12-21
1990-01-23
Miller, Carl Stuart
Fluid handling
Systems
Multi-way valve unit
123452, 123463, F02M 3900
Patent
active
048951846
ABSTRACT:
A fuel injection system for a spark-ignition internal combustion engine in which combustion air is fed through an air flow meter to produce an input force whose strength is proportional to the mass-volume of the air. This input force actuates the valve member of a valve mechanism to whose input is supplied fuel at constant pressure, the valve member being displaced to an extent determined by the strength of the input force. The valve mechanism includes a fuel output chamber in which the pressure of fuel therein is a function of valve member displacement, this pressure being applied as a countervailing force to the valve member to cause it to assume a null-balance position at which the resultant mean fuel pressure yielded by the output chamber is proportional to the mass-volume of the combustion air, thereby attaining optimum fuel-air ratio conditions throughout a broad operating range. '
REFERENCES:
patent: 2924206 (1960-02-01), Groves
patent: 2957467 (1960-10-01), Ball
patent: 2992643 (1961-07-01), Ball
patent: 3411538 (1968-11-01), Gruner
patent: 3472214 (1969-10-01), Moon
patent: 3509998 (1970-05-01), Pellett
patent: 3526251 (1970-09-01), Rosaen
patent: 3820517 (1974-06-01), Nambu
patent: 4275691 (1981-06-01), Wolff
patent: 4290451 (1981-09-01), Fleckstein
patent: 4370967 (1983-02-01), Gmelin
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