Heat exchange – Intermediate fluent heat exchange material receiving and... – Liquid fluent heat exchange material
Patent
1985-09-24
1988-10-11
Davis, Jr., Albert W.
Heat exchange
Intermediate fluent heat exchange material receiving and...
Liquid fluent heat exchange material
123 4151, 123 4154, F01P 1102
Patent
active
047763906
ABSTRACT:
The invention consists of an improved apparatus for filling, venting, de-aerating, and detecting the coolant level in an engine coolant system. The apparatus provided has a de-aerating tank with a filler neck disposed on top of the tank. A fill line and a vent line interconnect the engine block coolant jacket and the deaerating tank. At least one radiator vent conduit interconnects the filler neck and the top header tank of the radiator, thereby providing a passageway for gas and coolant. A removable cap is provided having a subtending cup portion disposed within the filler neck. The cup portion defines at least one groove on its outer surface and an orifice disposed within the groove, and having sealing O-rings bands opposite both sides of the groove and a stem connecting to an overflow conduit. When the cap is secured to the filler neck, the flow of coolant and gas from the radiator vent conduit to the filler neck is limited by the size of the orifice. When the cap is removed to fill the system, the flow of coolant and gas in the radiator vent conduit is limited only by the diameter of the radiator vent conduit. An insulated conductor is provided with a bare end portion disposed within the filler neck for detecting the coolant level. The insulated conductor is connected to a light-emitting diode which in turn is connected to the ignition system.
REFERENCES:
patent: 3425400 (1969-02-01), Scherenberg
patent: 3576181 (1971-04-01), Neal et al.
patent: 4064848 (1977-12-01), Pabst et al.
patent: 4231424 (1980-11-01), Moranne
Cummins Engine Company, Inc.
Davis Jr. Albert W.
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