Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1974-03-18
1976-02-10
Myhre, Charles J.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
173122R, F02M 3100
Patent
active
039371972
ABSTRACT:
A water-cooled combustion engine has a pump-operated cooling water circuit passing through the cooler when the engine is hot. The cooler is rendered inoperative by a thermostat-controlled by-pass line when the engine is cold. The heating means for the intake system for the engine has a cooling water chamber whose supply line is fed with heated cooling water. The circuit of the heating means is arranged parallel with the cooling circuit through the by-pass line. This heating means is automatically switched off without additional aids as the engine temperature rises, when the by-pass line is shut off by the thermostat valve.
REFERENCES:
patent: 1232041 (1917-07-01), Johnson
patent: 1330700 (1920-02-01), Giesler
patent: 2372272 (1945-03-01), Helmore
Audi NSU Auto Union Aktiengesellschaft
Lazarus R. H.
Myhre Charles J.
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