公开(公告)号：US12233830B2

公开(公告)日：2025-02-25

申请号：US17935748

申请日：2022-09-27

Applicant: KOREA RAILROAD RESEARCH INSTITUTE

Inventor： Yeon Su Kim ,  Sung Hyuk Park

IPC: B60T17/22 ,  B60T8/88 ,  B61L15/00 ,  F16D66/00

Abstract: A brake caliper diagnostic device for railway vehicles according to an embodiment of the present disclosure includes an internal pressure sensor located between a brake hose for delivering brake oil or compressed air to the brake caliper and an inlet of the brake caliper, internal temperature sensors respectively installed in the air breathers respectively located above and below the brake caliper, an assembly plate temperature sensor located adjacent to a brake pad assembly, a piston temperature sensor located on a surface of a brake caliper body adjacent to a piston, and a brake caliper monitoring device configured to determine whether or not the brake caliper is abnormal, based on data received from the internal pressure sensor, the internal temperature sensors, the assembly plate temperature sensor, and the piston temperature sensor.

公开(公告)号：US11945477B2

公开(公告)日：2024-04-02

申请号：US17093979

申请日：2020-11-10

Applicant: KOREA RAILROAD RESEARCH INSTITUTE

Inventor： Yeon Su Kim ,  Sung Hyuk Park

IPC: B61L15/00

CPC classification number: B61L15/0058

Abstract: Provided is an electric dual-mode wiper system for a railway vehicle. The electric dual-mode wiper system for a railway vehicle includes a first wiper drive unit and a second wiper drive unit, and controls a synchronization operation of the first wiper drive unit and a second wiper drive unit.