Radiator anti-freeze arrangement for evaporative type cooling system

Patent · Tue Oct 14 04:00:00 EDT 1986

OSTI ID:5074270

Hayashi, Y

A boiling liquid cooling system is described for an engine, comprising: means defining in the engine a coolant jacket into which coolant is introduced in liquid state through an inlet port formed in the engine and from which coolant is discharged in gaseous state through an outlet port formed in the engine; a radiator into which gaseous coolant from the outlet port is introduced to be liquefied; a coolant container connected to the radiator to contain therein the coolant liquefied by the radiator; an electric pump by which the liquid coolant in the coolant container is pumped into the coolant jacket through the inlet port; conduit means connecting the outlet port, the radiator, the coolant container, the electric pump and the inlet port in this order to form a hermetically closed coolant circulation circuit; first and second coolant level sensors disposed in the coolant jacket to detect first and second coolant levels in the jacket respectively, the second coolant level being higher than the first coolant level; and control means for controlling the electric pump.

• Assignee: Nissan Motor Co., Ltd., Yokohama
• Patent Number(s): US 4616601
• OSTI ID: 5074270
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
ANTIFREEZE
BOILING
BOILING POINTS
CONTAINERS
CONTROL SYSTEMS
COOLANTS
COOLING
COOLING SYSTEMS
ELECTRICAL EQUIPMENT
ENERGY SYSTEMS
ENGINES
EQUIPMENT
EVAPORATIVE COOLING
HEAT ENGINES
HEAT EXCHANGERS
INTAKE STRUCTURES
INTERNAL COMBUSTION ENGINES
MECHANICAL STRUCTURES
MELTING POINTS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
PUMPS
RADIATORS
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE