Internal-combustion engines – Additional air supply
Patent
1976-11-15
1978-08-15
Myhre, Charles J.
Internal-combustion engines
Additional air supply
123124R, 123124B, 123119D, 123119DB, F02M 2304, F02M 710
Patent
active
041064429
ABSTRACT:
A device for improving the fuel economy of new or existing internal combustion engines includes a vacuum sensing switch connected to the intake manifold of the engine, and a speed-sensing electronic circuit connected to the distributor of the engine. The device also includes a solenoid operated valve interposed between the ambient atmosphere and the positive crankcase ventilation valve normally found in an internal combustion engine. The device includes a computing circuit which operates on the information from the speed sensor and the vacuum switch to actuate the solenoid operated valve when the engine is idling, accelerating, or deaccelerating. The ambient, uncarbureted air introduced through the positive crankcase ventilation valve increases the air-to-fuel ratio within the intake manifold, thereby increasing the efficiency of the engine.
REFERENCES:
patent: 3738109 (1973-06-01), Tatsutomi et al.
patent: 3960130 (1976-06-01), Peterson, Jr.
patent: 3977375 (1976-08-01), Laprade et al.
patent: 4046120 (1977-09-01), Laprade et al.
patent: 4052968 (1977-10-01), Hattoii et al.
Engineering Systems Corporation
Lall P. S.
Myhre Charles J.
Zimmerman Harris
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