US 12,459,781 B2
Elevator brake arrangement
Henri Wenlin, Helsinki (FI); Joni Lappalainen, Helsinki (FI); Petri Alkula, Helsinki (FI); Mikko Jussila, Helsinki (FI); Andrej Burakov, Helsinki (FI); Lasse Hurri, Helsinki (FI); and Tarmo Torkkeli, Helsinki (FI)
Assigned to KONE CORPORATION, Helsinki (FI)
Filed by KONE CORPORATION, Helsinki (FI)
Filed on Feb. 2, 2021, as Appl. No. 17/165,416.
Application 17/165,416 is a continuation of application No. PCT/FI2018/050596, filed on Aug. 22, 2018.
Prior Publication US 2021/0155449 A1, May 27, 2021
Int. Cl. F16D 66/00 (2006.01); B66B 1/34 (2006.01); B66B 1/36 (2006.01); B66B 5/00 (2006.01); F16D 55/30 (2006.01); F16D 65/18 (2006.01); F16D 65/38 (2006.01); F16D 121/22 (2012.01)
CPC B66B 1/365 (2013.01) [B66B 1/3461 (2013.01); B66B 5/0031 (2013.01); F16D 55/30 (2013.01); F16D 65/183 (2013.01); F16D 65/38 (2013.01); F16D 66/00 (2013.01); F16D 2066/003 (2013.01); F16D 2121/22 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An elevator brake arrangement, comprising:
a body,
a brake plate assembly,
a spring assembly,
an electromagnet arrangement and a counter element, and
a rotating brake disc,
wherein the brake plate assembly comprises at least two separate brake plates and a state detector,
wherein the state detector comprises an antenna arranged to monitor operation states of more than one of the at least two brake plates.