Global Patent Index - EP 4018093 A1

EP 4018093 A1 20220629 - METHOD FOR MONITORING THE STATE OF A DEVICE, AND DEVICE

Title (en)

METHOD FOR MONITORING THE STATE OF A DEVICE, AND DEVICE

Title (de)

VERFAHREN ZUR ZUSTANDSÜBERWACHUNG EINER VORRICHTUNG UND VORRICHTUNG

Title (fr)

PROCÉDÉ DE SURVEILLANCE DE L'ÉTAT D'UN DISPOSITIF ET DISPOSITIF

Publication

EP 4018093 A1 20220629 (DE)

Application

EP 20761183 A 20200820

Priority

  • DE 102019212631 A 20190822
  • EP 2020073337 W 20200820

Abstract (en)

[origin: WO2021032838A1] The invention relates to a method for monitoring the state of a device (1), the device (1) comprising: - a first drive cylinder (10a) for receiving hydraulic fluid (HF) and - a first drive piston (11a) which is movably arranged in the first drive cylinder (10a), the method comprising the steps of: - determining a speed of the first drive piston (11a), - establishing a difference between the determined speed of the first drive piston (11a) and an expected speed of the first drive piston (11a), and - determining a faulty state as a function of the difference established between the determined speed of the first drive piston (11a) and the expected speed of the first drive piston (11a).

IPC 8 full level

F04B 15/02 (2006.01); F04B 49/06 (2006.01)

CPC (source: CN EP KR US)

F04B 9/113 (2013.01 - CN US); F04B 15/02 (2013.01 - CN EP KR US); F04B 49/065 (2013.01 - EP KR); F04B 51/00 (2013.01 - CN US); F04B 49/065 (2013.01 - US); F04B 49/103 (2013.01 - US); F04B 2201/0202 (2013.01 - US)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2021032838 A1 20210225; CN 114222860 A 20220322; DE 102019212631 A1 20210225; EP 4018093 A1 20220629; JP 2022545474 A 20221027; KR 20220047286 A 20220415; US 11959469 B2 20240416; US 2022307490 A1 20220929

DOCDB simple family (application)

EP 2020073337 W 20200820; CN 202080059376 A 20200820; DE 102019212631 A 20190822; EP 20761183 A 20200820; JP 2022511293 A 20200820; KR 20227005832 A 20200820; US 202017637351 A 20200820