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US 10,479,340 B2Granted
Overload protection for a parking lock
AssigneeAudi AG
InventorUwe Feldmann
Life of this patent
Estimating the term…
Abstract
A parking lock of a vehicle is normally controlled by a first control unit. In the presence of a predefined condition, control of the parking lock is assumed by a second control unit of the vehicle and the first control unit is disabled, at least in part, when the predefined condition is present.
Claims8
A method, comprising:
- normally controlling a parking lock of a vehicle by a first control unit;
- measuring all measurement values from the group consisting of temperature of the first control unit, number of actuations of the parking lock in a predefined time period, current applied to the first control unit, voltage applied to the first control unit, current outputted by the first control unit and voltage outputted by the first control unit;
- in the presence of a predefined condition, controlling the parking lock by a second control unit of the vehicle;
- and
- disabling the first control unit, at least in part, in the presence of the predefined condition,
- wherein the presence of the predefined condition is affirmed, when one of the measurement values corresponds to a respective one of predefined values.
3 more elements
A vehicle, comprising:
- an electronic parking lock;
- a first control unit configured to normally control the parking lock and to measure all measurement values from the group consisting of temperature of the first control unit, number of actuations of the parking lock in a predefined time period, current applied to the first control unit, voltage applied to the first control unit, current outputted and voltage outputted by the first control unit;
- and
- a second control unit configured to control the parking lock in presence of a predefined condition, with the presence of the predefined condition being affirmed when one of the measurement values corresponds to a respective one of predefined values, and to disable the first control unit at least in part in the presence of the predefined condition.
1 more element
Dependencies are inferred from the claim text.