EGR Control system for internal combustion engine

Details EGR Control system for internal combustion engine EGR Control system for internal combustion engine

1979-05-09

1981-01-20

Burns, Wendell E.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

F02B 4708, F02M 2506

Patent

active

042456070

ABSTRACT:
An EGR control system for an internal combustion engine is provided with a control valve member movably disposed in an intake passageway downstream of a throttle valve. The control valve member is movable in the axial direction of a portion of the intake passageway angularly connected to an intake manifold, in accordance with the variation of engine load conditions. For example, the control valve member is connected to a diaphragm member which receives intake manifold vacuum so that the control valve member is movable in response to the intake manifold vacuum.

REFERENCES:
patent: 4031873 (1977-06-01), Banzhaf et al.
patent: 4043304 (1977-08-01), Stumpp et al.
patent: 4092960 (1978-06-01), Nohira et al.
patent: 4130093 (1978-12-01), Aoyama
patent: 4142491 (1979-03-01), Hibino
patent: 4150646 (1979-04-01), Aoyama et al.
patent: 4163435 (1979-08-01), Nakajima et al.
patent: 4176638 (1979-12-01), Kitamura et al.
patent: 4177777 (1979-12-01), Maruyama et al.
patent: 4180033 (1979-12-01), Aoyama
patent: 4186699 (1980-02-01), Aoyama

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