Termination assembly for electric fans

Electrical generator or motor structure – Dynamoelectric – Rotary

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310 63, 310 67R, 310 89, 310 91, 415119, H02K 524, F01D 904, F04D 2954

Patent

active

046366695

ABSTRACT:
An electric motor housing having a peripheral frame member, a central motor mounting member and strut members connecting and supporting the frame member and motor mounting member. The peripheral frame member defines a receptacle having an open mouth for receiving a terminal block assembly in a sliding manner. The receptacle also defines a lateral aperture for access to the terminal block. At least one of the strut members defines a longitudinal channel communicating at one end with the open mouth and at its other end with means for access to an electric motor when mounted on the motor housing.

REFERENCES:
patent: 2298606 (1942-10-01), Wren
patent: 3310698 (1967-03-01), Krell
patent: 3644066 (1972-02-01), Heob et al.
patent: 3700358 (1972-10-01), Papst et al.
patent: 3883268 (1975-05-01), Evans et al.
Mellin, R. C., Minimum Noise Fans for a Given Pumping Requirement--Noise Control Engineering, Jan.-Feb. 1975, pp. 35-45.
Robert C. Mellin, Noise and Performance of Automotive Cooling Fans, published 1981, pp. 141-171, Paper No. 0096-736X/81/8901-0141, meeting of Feb. 25-29, 1980, Society of Automotive Engineers.
R. E. Longhouse, Noise Mechanism Separation and Design Considerations for Low Tip-Speed, Axial-Flow Fans Journal of Sound and Vibration (1976), 48(4), 461-474.
Mellin and Sovran, Controlling the Tonal Characteristics of the Aerodynamic Noise Generated by Fan Rotors, Journals of Basic Engineering, Mar. 1970, pp. 143-154.
Fitzgerald and Lauchle, Reduction of Discrete Frequency Noise in Small, Subsonic Axial-Flow Fans, J. Acoust. Soc. Am., 76(1), Jul. 1984, pp. 158-166.
Duncan, Dawson and Hawes, Design Techniques for the Reduction of Interaction Tonal Noise from Axial Flow Fans, (University of Southampton, Sep. 1975), pp. 143-161.

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