Otis Elevator Company

Ricardo Cano

Dirk Heinrich Tegtmeier

Michael Mann

Armando Servia

Andrés Monzon

Armondo Serviá

Jose Cabellero

An elevator system has a hoistway () and an elevator car () arranged to travel vertically within the hoistway, the hoistway is provided with a sensing arrangement such as an infrared curtain () for detecting the presence of a person on top of the car as the car approaches the top of the hoistway (). The elevator system is arranged to limit further upward movement of the car in the event that a person is detected.

Elevator safety systems including detection of an object in the hoistway

Elevator comprising a car, a drive motor driving the car, a motor drive unit for controlling the drive motor and supplying power thereto, an encoder for sensing movement of the car, and an elevator rescue system for rescue operation in case of an emergency situation, wherein the elevator comprises one single encoder only for normal and rescue operation.

Elevator including elevator rescue system

Growing community of inventors

Madrid, Spain

Ricardo Cano