Elevator, method for controlling an elevator
AssigneeInventio AG
InventorValerio Villa
Life of this patent
Estimating the term…
Abstract
An elevator includes a shaft, a car movable in the shaft, a drive operatively connected to the car and by which the car can be moved, a brake, a plurality of shaft doors and a safety control system. The safety control system has a secure safety control unit of a first type and at least one secure safety control unit of a second type. The safety control unit of the first type and the at least one safety control unit of the second type are interconnected. The at least one safety control unit of the second type collects a state of any of the shaft doors. The safety control system is adapted such that the state of each of the shaft doors can be collected directly only by one of the safety control unit of the second type.
Claims20
1-15. (canceled)
An elevator comprising:
- a shaft;
- a car movable in the shaft;
- a drive operatively connected to the car and adapted to move the car in the shaft;
- a brake at the car;
- a plurality of shaft doors providing access to the shaft;
- a safety control system including a secure safety control unit of a first type and a secure safety control unit of a second type, wherein the safety control unit of the first type and the safety control unit of the second type are interconnected;
- wherein the safety control unit of the second type collects a state of an associated one of the shaft doors;
- and
- wherein the state of the associated shaft door is collected directly exclusively by the safety control unit of the second type.
Dependencies are inferred from the claim text.