| 摘要 |
Arrangement to facilitate cleaner, healthier motoring by automatic replacement of contaminated inside air in a vehicle with fresh and purified air. The said arrangement eliminates solvent vapours from current vehicles, which contain a great deal of artificial materials giving off such solvent vapours, or at any rate reduces the content of these to an acceptable level. The arrangement ordinarily comprises automatic control devices, relays, sensors and a series of leads. The arrangement may also comprise an additional fan in various embodiments and/or a fresh air filter with various output levels.
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