(19)
(11) EP 4 345 314 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
29.05.2024 Bulletin 2024/22

(43) Date of publication A2:
03.04.2024 Bulletin 2024/14

(21) Application number: 24158065.3

(22) Date of filing: 08.02.2023
(51) International Patent Classification (IPC): 
F25B 1/04(2006.01)
F04D 27/00(2006.01)
 F25B 49/02(2006.01)
(52) Cooperative Patent Classification (CPC):
F25B 1/04; F25B 49/022; F25B 2700/21175; F25B 2700/151; F04D 27/001; F05D 2270/335; F05D 2270/303; F05D 2270/309
(84) Designated Contracting States:
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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 08.02.2022 IT 202200002273

(62) Application number of the earlier application in accordance with Art. 76 EPC:
23155510.3 / 4224090

(71) Applicant: Daikin Applied Europe S.p.A.
00040 Ariccia (Roma) (IT)

(72) Inventors:
  • BATTISTI, Marco
    00155 Roma (IT)
  • LO PRESTI, Marco
    00143 Roma (IT)
  • BURONI, Alessio
    00124 Roma (IT)
  • AMADEI, Massimiliano
    00151 Roma (IT)

(74) Representative: Conti, Marco 
Bugnion S.p.A. Via di Corticella, 87
40128 Bologna
40128 Bologna (IT)

   


(54) COMPRESSOR SURGE DETECTION SYSTEM AND METHOD


(57) A compressor surge detection system (1) for a refrigerating apparatus (100), comprises: a sensing system, configured for detecting a monitoring parameter representative of a saturating evaporating temperature of the refrigerating fluid at an inlet (I) of the compressor; a processing unit, programmed to process the monitoring parameter for deriving a diagnostic parameter, representative of an oscillatory behavior for the monitoring parameter and for generating an alert signal in response to the diagnostic parameter.







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