Low emission cylinder cut-out idle system

Details Low emission cylinder cut-out idle system Low emission cylinder cut-out idle system

1992-04-21

1993-03-23

Kamen, Noah P.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

F02B 7700

Patent

active

051954850

ABSTRACT:
The invention is directed to reducing unburned hydrocarbons during engine idling. During idling, one cylinder bank of an engine is alternately deactived by fuel cut-off structure with another cylinder bank. Therefore, one bank works twice as hard and consequently produces much lower emissions. A timer alternates between the cylinder banks anywhere from fifteen seconds to four minutes.

REFERENCES:
patent: 1898602 (1933-02-01), Stomsvik
patent: 4492191 (1985-01-01), Aoki et al.

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