Malfunction alerting indicator for carburetor choke valve

Details Malfunction alerting indicator for carburetor choke valve Malfunction alerting indicator for carburetor choke valve

1977-06-03

1979-04-17

Caldwell, Sr., John W.

Communications: electrical

Selective

Having indication or alarm

340188R, 340686, 123119F, 340201P, B60Q 900, G08B 2300

Patent

active

041503570

ABSTRACT:
The intermediate positions of a carburetor choke valve between fully open and closed positions are registered during engine operation by illumination of light emitting diodes on a dash mounted indicator to warn the driver of incomplete opening of the choke valve after initial cold engine start-up. Signal generating photocells supply the position signals to the indicator under control of a masking plate restrictively directing illumination from a source to one of the photocells. A linkage assembly connects the choke valve to the masking plate for movement thereof to positions corresponding to choke valve positions.

REFERENCES:
patent: 2738404 (1956-03-01), Fitzsimmons
patent: 2894252 (1959-07-01), Lawhorn et al.
patent: 3291461 (1966-12-01), Pope
patent: 3795863 (1974-03-01), Uneda et al.
patent: 3938074 (1976-02-01), Fox

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