Global Patent Index - EP 3906382 A1

EP 3906382 A1 20211110 - METHOD FOR DETERMINING THE LEVEL OF REFRIGERANT CHARGE IN A COOLING CIRCUIT FOR AN AIR-CONDITIONING SYSTEM, MODULE FOR DETECTING LEAKS, AND ASSOCIATED COMPUTER PROGRAM

Title (en)

METHOD FOR DETERMINING THE LEVEL OF REFRIGERANT CHARGE IN A COOLING CIRCUIT FOR AN AIR-CONDITIONING SYSTEM, MODULE FOR DETECTING LEAKS, AND ASSOCIATED COMPUTER PROGRAM

Title (de)

VERFAHREN ZUR BESTIMMUNG DES KÜHLMITTELFÜLLSTANDS IN EINEM KÜHLKREISLAUF EINER KLIMAANLAGE, MODUL ZUR ERKENNUNG VON LECKS UND ZUGEHÖRIGES COMPUTERPROGRAMM

Title (fr)

METHODE DE DETERMINATION DU NIVEAU DE CHARGE EN FLUIDE REFRIGERANT DANS UN CIRCUIT DE REFROIDISSEMENT POUR UN SYSTEME DE CLIMATISATION, MODULE DE DÉTECTION DE FUITE, ET PROGRAMME D'ORDINATEUR ASSOCIÉ

Publication

EP 3906382 A1 20211110 (FR)

Application

EP 19848994 A 20191227

Priority

  • FR 1874408 A 20181231
  • FR 2019053304 W 20191227

Abstract (en)

[origin: WO2020141279A1] The invention relates to a method for determining the level of refrigerant charge in a cooling circuit (1) for an on-board air-conditioning system, in which method the total quantity of refrigerant in gaseous and liquid form contained in the various components (2, 3, 4, 5 and 10) of the air-conditioning system is calculated only on the basis of data internal to the cooling circuit. This method is implemented by a module for detecting leaks in an on-board air-conditioning system cooling circuit comprising sensors (9, 11, 12, 13 and 14) for measuring physical characteristics of the refrigerant in various parts of the circuit (1), and a controller (8) able to calculate the level of refrigerant charge contained in the various components (2, 3, 4, 5 and 10) of the air-conditioning system on the basis of data corresponding to the geometric and technical parameters of the various components of the cooling circuit, data regarding the type of refrigerant used and data regarding the measured physical characteristics of the refrigerant.

IPC 8 full level

F25B 49/02 (2006.01); B60H 1/00 (2006.01)

CPC (source: EP US)

B60H 1/00978 (2013.01 - EP); B60H 1/3222 (2013.01 - US); B60H 1/3225 (2013.01 - US); B60H 1/3227 (2013.01 - US); F25B 49/02 (2013.01 - EP); B60H 2001/3238 (2013.01 - US); B60H 2001/3248 (2013.01 - US); B60H 2001/3255 (2013.01 - US); F25B 2500/222 (2013.01 - EP); F25B 2700/19 (2013.01 - EP); F25B 2700/21 (2013.01 - EP)

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)

FR 3091336 A1 20200703; FR 3091336 B1 20210129; CN 113439190 A 20210924; CN 113439190 B 20230602; EP 3906382 A1 20211110; MA 54645 A 20220406; US 11932084 B2 20240319; US 2022134844 A1 20220505; WO 2020141279 A1 20200709

DOCDB simple family (application)

FR 1874408 A 20181231; CN 201980090716 A 20191227; EP 19848994 A 20191227; FR 2019053304 W 20191227; MA 54645 A 20191227; US 201917419615 A 20191227