Exhaust gas recirculation valve malfunction indicator apparatus

Details Exhaust gas recirculation valve malfunction indicator apparatus Exhaust gas recirculation valve malfunction indicator apparatus

1976-05-28

1977-08-30

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

340136, F02M 2506

Patent

active

040447340

ABSTRACT:
An internal combustion engine provided with an exhaust gas recirculating (EGR) system containing a vacuum/electric switch assembly activated in response to a non-movement type malfunction of the EGR valve to energize a warning light.

REFERENCES:
patent: 3779222 (1973-12-01), Lorenz
patent: 3794006 (1974-02-01), Woodward
patent: 3924587 (1975-12-01), Murphy
patent: 3937194 (1976-02-01), Tamaki et al.

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