Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1976-11-05
1978-11-21
Myhre, Charles J.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123179H, F02M 3100
Patent
active
041261097
ABSTRACT:
A thermostatic valve mounted in an air cleaner has an inlet connected to an intake manifold of an engine and an outlet connected to a negative pressure chamber of a negative pressure motor for actuating a switching valve pivotally mounted in a throat of the air cleaner, by the opening of the switching valve warmed air around an exhaust manifold of the engine being introduced into the air cleaner for the purpose of ensuring a smooth starting and operation of the engine. The thermostatic valve, for controlling the introduction of the warmed air as well as an amount of additional air fed to the engine as a function of the temperature in the air cleaner, has inside thereof a first passageway communicating the inlet with the inside thereof, a second passageway communicating the outlet with the inside and a third passageway communicating the inside with the air cleaner. A valve member is operatively disposed in both of the first and third passageways for respectively controlling the opening area of the first passageway and the opening and closing of the third passageway, so that the amount of the additional air is controlled through the first passageway and the application of the negative pressure from the intake manifold to the negative pressure motor is controlled by the closure and opening of the third passageway.
REFERENCES:
patent: 3394687 (1968-07-01), Scott
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patent: 3513817 (1970-05-01), Kearsley
patent: 3726512 (1973-04-01), Herwig et al.
patent: 3744716 (1973-07-01), Charles
patent: 3830210 (1974-08-01), Muller et al.
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patent: 3913544 (1975-10-01), Fyle
patent: 3973728 (1976-08-01), Colenutt
Akado Hajime
Uchida Yoshiro
Yamaguchi Akihide
Myhre Charles J.
Nippon Denso Co. Ltd.
Reynolds David D.
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