Noise reduction methods for condenser cooling fans for automotive air conditioners are studied in this paper and the following results were obtained. A new type fan having forward skewed blades was developed and the noise level of the new fan was 6 dB(A) lower than that of the fans now in use. The shapes of the fan shroud and motor stay have a strong influence on the noise level and it is found that optimize them is effective in the noise reduction of the fan. By applying the above mentioned improvements to condenser cooling fans, 9 dB(A) reduction in fan noise level achieved. To improve the stalling characteristics on the fan performance, suction rings were found to be effective for stabilizing the flow and reducing the noise level.


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    Titel :

    Noise reduction of condenser cooling fans for automobile air conditioners


    Weitere Titelangaben:

    Geraeuschminderung von Kuehlerventilatoren fuer Kraftfahrzeugklimageraete


    Beteiligte:
    Aoki, Y. (Autor:in) / Yamaguchi, N. (Autor:in) / Kondo, F. (Autor:in) / Matsuda, K. (Autor:in)

    Erschienen in:

    SAE-Papers ; Mar ; 1-11


    Erscheinungsdatum :

    1988


    Format / Umfang :

    11 Seiten, 15 Bilder, 2 Tabellen, 2 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Noise reduction of condenser cooling fans for automobile air conditioners

    Aoki,Y. / Yamaguchi,N. / Kondo,F. et al. | Kraftfahrwesen | 1988


    Noise Reduction of Condenser Cooling Fans for Automobile Air Conditioners

    Kondo, Fumio / Matsuda, Kenji / Yamaguchi, Nobuyuki et al. | SAE Technical Papers | 1988


    Noise reduction of condenser cooling fans for automotive air conditioners

    Aoki, Y. / Matsuda, K. / Tominaga, T. et al. | Tema Archiv | 1987


    Condenser Module for Automotive Air-Conditioners

    Burk, R. | British Library Online Contents | 1995


    Sunroof and the cooling loads of automobile air conditioners

    Chiou,J.P. / Univ.of Detroit,US | Kraftfahrwesen | 1987