Cooling system for automotive engine or the like

Patent · Tue Dec 23 04:00:00 EST 1986

OSTI ID:6875887

Ogawa, N; Kubozuka, T; Hirano, Y

This patent describes an internal combustion engine having a structure subject to high heat flux, a cooling system comprising: (a) a cooling system for removing heat from the structure, the cooling system comprising: a coolant jacket disposed about the structure and into which coolant is introduced in liquid form and permitted to boil; a radiator in which coolant vapor is condensed to its liquid form; a vapor transfer conduit leading from a vapor collection spaced defined in the coolant jacket to the radiator; means for returning liquid coolant from the radiator to the coolant jacket in a manner which maintains the structure immersed in a predetermined depth of liquid coolant, the liquid coolant returning means including: a coolant return conduit leading from the bottom of the radiator to the coolant jacket, and a pump disposed in the coolant return conduit, the pump being selectively energizable to return coolant from the radiator to the coolant jacket through the coolant return conduit; (b) a reservoir in which liquid coolant is stored; and (c) valve and conduit means for selectively providing fluid communication between the reservoir and the cooling circuit, the valve and conduit means.

• Assignee: Nissan Motor Co., Ltd., Yokohama
• Patent Number(s): US 4630573
• OSTI ID: 6875887
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
BOILING
COMPUTERIZED CONTROL SYSTEMS
CONTROL EQUIPMENT
CONTROL SYSTEMS
COOLANTS
COOLING SYSTEMS
ENERGY SYSTEMS
ENERGY TRANSFER
ENGINES
EQUIPMENT
FLOW REGULATORS
HEAT ENGINES
HEAT EXCHANGERS
HEAT FLUX
HEAT TRANSFER
INTERNAL COMBUSTION ENGINES
JACKETS
PHASE TRANSFORMATIONS
PUMPS
RADIATORS
VALVES
VAPOR CONDENSATION
VEHICLES