Two-stage valve for feeding air to injectors of an internal comb

Details Two-stage valve for feeding air to injectors of an internal comb Two-stage valve for feeding air to injectors of an internal comb

1995-04-05

1996-03-12

Kamen, Noah P.

Internal-combustion engines

Engine speed regulator

Idle speed control

123585, 123327, F02M 300

Patent

active

054977460

ABSTRACT:
A piston within the body of the valve is connected to an actuator and is integral with stops. After a first stroke of the piston from its position against the first seat, the first stops entrain second stops integral with a second piston, to entrain this with the first piston over a second stroke, from the position of application of the second piston to its seat. This feeds air-assisted injectors through the outlet over the first stroke, and in addition, over the second stroke to admit air through the outlet bypassing a throttle valve. Control of a single actuator allows the airflow to be regulated through each of the two outlets in succession.

REFERENCES:
patent: 4989564 (1991-02-01), Cook et al.
patent: 5018495 (1991-05-01), Dougherty
patent: 5307774 (1994-05-01), Hammer

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