Monitoring of closed circuit liquid cooling systems...

Details Monitoring of closed circuit liquid cooling systems... Monitoring of closed circuit liquid cooling systems...

2006-07-04

2006-07-04

Argenbright, Tony M. (Department: 3747)

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

C123S041120, C123S041440, C701S029000, C073S117020, C340S449000

Reexamination Certificate

active

07069883

ABSTRACT:
Early stage detection of engine liquid cooling problems is provided with temperature, pressure and other sensors and associated logic circuits configured for detecting alarm conditions including below normal static coolant pressure coupled with an elevated coolant temperature, above normal static coolant pressure, below normal coolant pump pressure condition, coolant voids due to coolant loss or boiling, and external steam or liquid leakage from the cooling system. A gauge displays the difference between coolant pump output pressure and static coolant pressure.

REFERENCES:
patent: 4768484 (1988-09-01), Scarselletta
patent: 5708412 (1998-01-01), Proulx

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