Manually adjustable valve means for an exhaust gas recirculation

Details Manually adjustable valve means for an exhaust gas recirculation Manually adjustable valve means for an exhaust gas recirculation

1980-09-22

1982-09-28

Burns, Wendell E.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

123572, F02M 2506

Patent

active

043513034

ABSTRACT:
An improvement to an interval combustion engine having an exhaust gas recirculation system which comprises a negative pressure line from the carburetor communicating with valve means to control the amount of recycled exhaust, the improvement being provided by manually operated valve means inserted in the negative pressure line. This manually operated valve means has an inlet port open to the atmosphere and manual adjusting means to control the size of the inlet port, to thereby minimize recycling of excessive amounts of exhaust gas which can result in inefficient engine operation.

REFERENCES:
patent: 1338398 (1920-04-01), Richards
patent: 2456213 (1948-12-01), Pelc
patent: 3842814 (1974-10-01), Bier
patent: 3913541 (1975-10-01), Scott, Sr.
patent: 3923024 (1975-12-01), Dabrio
patent: 3990420 (1976-11-01), Bitterman
patent: 3996315 (1976-12-01), Herail
patent: 4240145 (1980-12-01), Yano et al.
patent: 4278063 (1981-07-01), Nakamura et al.

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