Internal-combustion engines – Cooling – Indicators and safety devices
Patent
1983-01-20
1984-12-04
Lazarus, Ira S.
Internal-combustion engines
Cooling
Indicators and safety devices
123198D, F02B 7708
Patent
active
044857675
ABSTRACT:
An engine overheat warning system for an internal combustion engine, which system includes a source of gas with a pressure different from atmospheric pressure and a pneumatic horn. The engine overheat warning system also includes a conduit communicating between the source of gas and the pneumatic horn and a temperature sensing valve located in the conduit and connected to the engine for causing communication between the source of gas and the pneumatic horn when the engine reaches an overheat condition. When the source of gas and pneumatic horn are thus in communication, the pneumatic horn produces an audible engine overheat warning.
In one embodiment, the source of gas with a pressure different from atmospheric pressure is an intake manifold of an internal combustion engine.
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Lazarus Ira S.
Outboard Marine Corporation
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