| 摘要 |
PURPOSE:To have simple and sure airconditioning by installing a cooler and a heater inside the ceiling, facing their jets to each other, equipping with respective opening/closing valves, and putting these jets in communication with the cabin through other jets in the same number. CONSTITUTION:A vehicle such as a tractor is equipped with a cooler 2 and a heater 3 along inside the ceiling. The jets 4, 5 of the cooler 2 and heater 3 are faced to each other and equipped with opening/closing valves 6, 7. These jets 4, 5 are in communication with other jets 9 in the same number opening to the cabin. The opening/closing valves 6, 7 are opened and closing either selectively or simultaneously to supply cold or warm air or an air at appropriate temp. effectively into the cabin from the jets 9. Thereby airconditioning of a car such as a tractor is conducted simply and certainly. |
