Carburetor deceleration emission control

Details Carburetor deceleration emission control Carburetor deceleration emission control

1975-09-02

1976-05-18

Miles, Tim R.

Internal-combustion engines

Poppet valve operating mechanism

Hydraulic system

123127, 261 23A, 261DIG19, 261DIG74, F02M 1102

Patent

active

039570223

ABSTRACT:
A four barrel carburetor is provided with apparatus that operates automatically during predetermined engine deceleration operating conditions to crack open the secondary induction passage throttle valve to supply a quantity of fuel and air to the engine that is supplemental to that being supplied through the primary induction system, to decrease the output of harmful emissions by causing a cleaner burn.

REFERENCES:
patent: 2609806 (1952-09-01), Winkler
patent: 2871001 (1959-01-01), Stoltman
patent: 2957463 (1960-10-01), Schnabel
patent: 3085790 (1963-04-01), Sterner
patent: 3547089 (1970-12-01), Pierlot
patent: 3596642 (1971-08-01), Nakata
patent: 3741177 (1973-06-01), Schultz
patent: 3753427 (1973-08-01), Cedar
patent: 3852379 (1974-12-01), Shishido et al.

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