Intake vacuum control device for internal combustion engine

Details Intake vacuum control device for internal combustion engine Intake vacuum control device for internal combustion engine

1978-10-04

1980-12-09

Lazarus, Ronald H.

Internal-combustion engines

Charge forming device

Auxiliary air or oxygen added to combustible mixture

261 63, F02M 2304

Patent

active

042378427

ABSTRACT:
An internal combustion engine is provided with an intake vacuum control device through which the upstream and downstream sides of an intake passageway with respect to a throttle valve are communicable with each other, so that additional air is supplied to the intake passageway downstream of the throttle valve during engine deceleration. The intake vacuum control device is composed of a valve member which is normally biased to be closed by a coil spring which is guided by a cylindrical guide member.

REFERENCES:
patent: 1003479 (1911-09-01), Lucas
patent: 2326598 (1943-08-01), Acosta
patent: 3287899 (1966-11-01), Bintz
patent: 3430647 (1969-03-01), Suchowolec
patent: 3749122 (1973-07-01), Gold
patent: 3756270 (1973-09-01), Forseca
patent: 3830254 (1974-08-01), Harrwijne

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