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Drive for a flap on a vehicle and a pedestrian protection means on a motor vehicle

  • US 6,533,058 B2
  • Filed: 08/08/2001
  • Issued: 03/18/2003
  • Est. Priority Date: 08/08/2000
  • Status: Expired due to Fees
First Claim
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1. A drive for a flap provided on a vehicle, said drive comprising:

  • an electric motor, an actuation shaft that is connected to said flap, a reduction gear by means of which said rotor of said electric motor is coupled to said actuation shaft, an energy accumulator by means of which said actuation shaft can be driven independently of said electric motor, said reduction gear being configured in such a way that said actuation shaft is driven in one rotational direction only by said energy accumulator, and said electric motor drives said actuation shaft in an opposite rotational direction, thereby supplying to said energy accumulator an energy that is needed to drive said actuation shaft in said rotational direction.

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