(19)
(11) EP 4 461 965 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
20.11.2024 Bulletin 2024/47

(43) Date of publication A2:
13.11.2024 Bulletin 2024/46

(21) Application number: 23186751.6

(22) Date of filing: 20.07.2023
(51) International Patent Classification (IPC): 
F04D 25/08(2006.01)
F24F 7/013(2006.01)
F24F 11/52(2018.01)
F04D 29/60(2006.01)
 F04D 27/00(2006.01)
F24F 11/30(2018.01)
F24F 11/74(2018.01)
F04D 25/06(2006.01)
(52) Cooperative Patent Classification (CPC):
F04D 25/0673; F04D 25/08; F04D 27/001; F04D 27/003; F05D 2270/3011; F05D 2270/3013; F24F 7/013; F24F 11/30; F24F 11/52; F24F 11/74; F04D 29/601
(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: 09.05.2023 US 202318314426

(71) Applicant: The Energy Conservatory, Inc.
Minneapolis, MN 55407 (US)

(72) Inventors:
  • KOENIG, Kris H.
    MINNEAPOLIS, MINNESOTA, 55407 (US)
  • MUELLER, Eric
    MINNEAPOLIS, MINNESOTA, 55407 (US)
  • ROGERS, Steven B.
    MINNEAPOLIS, MINNESOTA, 55407 (US)
  • HANSEN, Clay
    MINNEAPOLIS, MINNESOTA, 55407 (US)
  • ENGLUND, Samuel Alan
    MINNEAPOLIS, MINNESOTA, 55407 (US)

(74) Representative: Cabinet Beau de Loménie 
158, rue de l'Université
75340 Paris Cedex 07
75340 Paris Cedex 07 (FR)

   


(54) SMART FAN FOR BUILDING DIAGNOSTIC TESTING


(57) A smart fan (12) comprises a fan housing (90), an electric drive motor (16), a propeller driven by the electric drive motor, a display screen (20) on the fan housing, a communication transceiver, a data processor electrically connected to the display screen, the communication transceiver, and the electric drive motor, and data storage in communication with the data processor. The smart fan can be used in any application in which a flow of a fluid, such as air, is required. In two specific applications, one or more of the fans can be used to conduct a blower door test or a duct leakage test. However, the smart fans described herein can be used in other applications.







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