Door lock, in particular motor vehicle door lock
AssigneeKiekert AG
InventorsAndreas Schmitz, Peter Szegeny, Ömer Inan
Life of this patent
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Abstract
A door lock, in particular a motor vehicle door lock, which is equipped with a locking mechanism substantially comprising a rotary latch and a pawl. The door lock further comprises an electromotive opening drive for the locking mechanism and at least one emergency power source for supplying current to the opening drive during the emergency opening of the locking mechanism. The emergency power source is charged in accordance with a control unit-using a main energy source. According to the invention, the emergency power source is charged as soon as the control unit receives an unlocking signal for the locking mechanism.
Claims16
A door lock for a motor vehicle, the door lock comprising:
- a locking mechanism comprising a rotary latch and a pawl,
- an electromotive opening drive for operating the locking mechanism,
- at least one emergency power source for supplying current to the opening drive during an emergency opening of the locking mechanism, and
- a control unit that is operatively connected to the at least one emergency power source and a main energy source, and the control unit is configured to control charging the emergency power source using the main energy source,
- wherein the emergency power source is charged as soon as the control unit receives an unlocking signal for the locking mechanism.
Dependencies are inferred from the claim text.