Browse Publications Technical Papers 2000-01-1271
2000-03-06

Development of Sleeper Cabin Cold Storage Type Cooling System 2000-01-1271

When truck drivers rest in the truck sleeper cabin in the summer, air conditioning for the sleeper is highly desirable.
Current practice is to run the engine for air conditioning, however, this practice wastes fuel and is environmentally unsound.
This “Cold storage type cooling system” can cool the truck sleeper cabin without running the engine when the truck is parked and thus would be preferable from the view-point of fuel savings and environmental protection.
The system we developed can be added to existing air conditioning systems and essentially consists of “cold storage cells” containing water as the cold storage material.
The cold storage cells are fitted between evaporator tubes.
By making the refrigerant alternately flow between the main evaporator and cold storage evaporator, the cold storage cells are charged while the truck is driving.
When the truck is stopped, the sleeper cabin can be cooled by allowing the “cold storage cells” to discharge.
The system has the added advantage that it is very user-friendly because the noise and vibration caused by an idling motor are done away with entirely.

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