B - Operations – Transporting – 66 – B
Patent
B - Operations, Transporting
66
B
B66B 5/04 (2006.01) B66B 5/16 (2006.01) B66D 5/30 (2006.01)
Patent
CA 2544106
In this method the speed of a lift cage is monitored. In the case of excess speed caused by brake failure of the motor brake or shaft fracture of the drive pulley shaft the safety circuit is opened and the detection system is transferred from the normal operational state (circle with a 1) to the retardation state (circle with a 2) in which it is monitored whether the lift cage is retarded after defined speed presets. After a successful retardation the detection system is transferred to the state of standstill monitoring (circle with a 3) in which it is monitored whether the lift cage leaves its standstill position. If the presets of state 2 or state 3 are not fulfilled, the detection system is transferred to the braking state of the brake (circle with a 4) in which a brake which fixes the lift cage is activated.
Birrer Eric
Eckenstein Rudolf
Gensicke Karsten
Latorre Marcuz Carlos
Ag Inventio
Riches Mckenzie & Herbert Llp
LandOfFree
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