Method of making a cooling fan rotor for a rotating electrical m

Metal working – Method of mechanical manufacture – Impeller making

Patent

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Details

2988923, 723792, B23P 1502

Patent

active

050759647

ABSTRACT:
A cooling fan rotor for a rotating electrical machine such as an alternator for an automotive vehicle, has n ventilating blades. The rotor is made by a method including the following steps:

REFERENCES:
patent: 1897947 (1933-02-01), Howell
patent: 2690151 (1954-09-01), House
patent: 2802620 (1957-08-01), Darrah
patent: 3737966 (1973-06-01), Ranz
patent: 3921272 (1975-11-01), Klonoski
patent: 4329118 (1982-05-01), Ranz
patent: 4741194 (1988-05-01), Kozyra et al.

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