EGR system using perpendicularly arranged control valve

Details EGR system using perpendicularly arranged control valve EGR system using perpendicularly arranged control valve

1996-12-11

1998-05-05

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

F02M 2507

Patent

active

057461902

ABSTRACT:
Most of the components of an EGR control valve except for a negative pressure actuator, such as a valve seat member, a valve member, a rod, a sliding member, and part of a throttle body, are accommodated in a throttle body and disposed adjacent to an air intake passage. Thus, the number of components of the EGR control valve projecting from the throttle body is reduced, thereby reducing the space around the air intake passage. The rod is disposed in parallel with a throttle shaft, so that a throttle valve and the components of the EGR control valve can be disposed concentratively on the opposite ends of the throttle shaft. Accordingly, the overall size of the recirculation system is reduced.

REFERENCES:
patent: 3954091 (1976-05-01), Stumpp
patent: 3983854 (1976-10-01), August
patent: 4171689 (1979-10-01), Eheim
patent: 4222356 (1980-09-01), Ueda et al.
patent: 4224912 (1980-09-01), Tanaka
patent: 4924840 (1990-05-01), Wade
patent: 5056309 (1991-10-01), Linder et al.
patent: 5265578 (1993-11-01), Zabeck et al.
patent: 5333456 (1994-08-01), Bollinger

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