(19)
(11) EP 3 143 343 A1

(12)

(43) Date of publication:
22.03.2017 Bulletin 2017/12

(21) Application number: 15792815.1

(22) Date of filing: 14.05.2015
(51) International Patent Classification (IPC): 
F24F 11/00(2006.01)
F24F 11/02(2006.01)
(86) International application number:
PCT/US2015/030854
(87) International publication number:
WO 2015/175821 (19.11.2015 Gazette 2015/46)
(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 MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA

(30) Priority: 15.05.2014 US 201461993552 P

(71) Applicant: Emerson Electric Co.
St. Louis, MO 63136 (US)

(72) Inventors:
  • ABIPROJO, Priotomo
    St. Louis, Missouri 63136 (US)
  • ALSALEEM, Fadi Mohammad
    Sidney, Ohio 45365 (US)

(74) Representative: Roberts, Mark Peter 
J A Kemp 14 South Square Gray's Inn
London WC1R 5JJ
London WC1R 5JJ (GB)

   


(54) HVAC SYSTEM AIR FILTER DIAGNOSTICS AND MONITORING