Fuel supply regulating apparatus

Details Fuel supply regulating apparatus Fuel supply regulating apparatus

1991-07-11

1992-06-09

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123 1A, 73116, F02D 1908, G01N 2117

Patent

active

051197898

ABSTRACT:
An apparatus for regulating fuel supply according to fuel mixture ratio comprising a light source (5) for radiating a light beam (7) through fuel (3), a light path defining unit (26) for defining a light path for the light beam (7) in accordance with a refraction ratio of the fuel, and a light receiver (24) for receiving the light beam passed through the fuel. The light receiver (24) has connected thereto an actuator (32,43,47) for moving at least one of the light source (5), the light path defining unit (26) and the light receiver (24) by an amount sufficient to keep the light beam (7) always impinging at a constant position on the light receiver (24). The actuator (47) is connectable to a fuel regulator (46,48) for adjusting the fuel supply to an engine in accordance with the amount of the movement of the above components.

REFERENCES:
patent: 4438749 (1984-03-01), Schwippert
patent: 4594968 (1986-06-01), Degobert et al.
patent: 4962746 (1990-10-01), Miyata et al.
patent: 5044344 (1991-09-01), Tuckey et al.

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