| 摘要 |
For reasons of pollution control and avoiding uneconomic energy consumption, attempts are being made to get the drivers of motor vehicles stopping at traffic lights to always switch off their engines and to restart them only when the traffic lights change. Unfortunately, however, such a recommendation has hitherto not gained sufficient acceptance. The reason for such failure is doubtless the fear of drivers that the engine possibly might not start again and also that the battery might be rapidly drained by too frequent starting, thereby taking the incentive to save fuel to absurd lengths. A further reason is without doubt also the tediousness of the operation still currently necessary and unavoidable in most vehicles of normal type which, given a certain stress situation at the traffic lights, is perceived as especially irksome. For this reason, it is proposed here that the energy needed for restarting be obtained not from the battery but for no cost and reliably from a flywheel which, preferably by using a magnetic clutch, is automatically uncoupled from and coupled to the engine when switching the engine off and on and thus forcibly and powerfully starts the engine on recoupling. The flywheel device proposed according to the invention can according to the invention be retrofitted to any engine at moderate assembly cost in place of the radiator fan.
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