Throttle positioner

Details Throttle positioner Throttle positioner

1974-12-13

1977-11-22

Lazarus, Ronald H.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123198DB, 123DIG11, F02D 1108

Patent

active

040590887

ABSTRACT:
A throttle positioner to ensure a predetermined minimum opening of a throttle valve when an engine is abruptly decelerated from a relatively high speed condition, said positioner being adapted to be switched over between operating and non-operating conditions by alternating the introduction of intake tube vacuum or atmospheric pressure into a diaphragm means, wherein a combination of a check valve and constricting means is provided to optionally determine the time constant of said switching over operation.

REFERENCES:
patent: 3682142 (1972-08-01), Harrison et al.
patent: 3682148 (1972-08-01), Harrison et al.
patent: 3752141 (1973-08-01), Charron et al.
patent: 3760785 (1973-09-01), Harrison et al.
patent: 3788288 (1974-01-01), Harrison et al.
patent: 3911880 (1975-10-01), Gropp

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