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US 12,459,781 B2Granted
Elevator brake arrangement
AssigneeKone Corporation
InventorsHenri Wenlin, Joni Lappalainen, Petri Alkula, Mikko Jussila, Andrej Burakov, Lasse Hurri, Tarmo Torkkeli
Life of this patent
Estimating the term…
Abstract
An elevator brake arrangement includes at least a brake unit including a body, a brake plate assembly, a spring assembly, an electromagnet arrangement and a counter element, and also a rotating brake disc. The brake plate assembly includes at least two brake plates and a state detector that is arranged to monitor the operation states of the brake plates.
Claims17
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.
4 more elements
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 that is arranged to monitor the operation states of the at least two separate brake plates,
- wherein the state detector comprises an antenna that is placed with an offset in relation to the position of the at least two separate brake plates, and
- wherein a smaller area of the antenna overlaps the first brake plate in the direction of movement of the brake plate assembly and a greater area of the antenna overlaps the second brake plate in the direction of movement of the brake plate assembly.
6 more elements
Dependencies are inferred from the claim text.