Electric blower

Details Electric blower Electric blower

2005-07-12

2005-07-12

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S194000, C310S270000

Reexamination Certificate

active

06917128

ABSTRACT:
A compact and light electric blower which is improved in wiring cooling capability without reducing the airflow efficiency. The electric blower includes a spool attached to end surfaces of a field core fixed to a motor frame of which outer periphery portion is in an approximately cylindrical shape, and field wiring each wound across the field core and the spool, wherein a gap capable of passing air is formed between the coil end between slots of the field wiring and the field core, and each spool is provided with a wall surface which narrows the airflow section formed between the field core and the motor frame while forming a periphery portion of the field wiring.

REFERENCES:
patent: 3800173 (1974-03-01), Rosenberry, Jr.
patent: 4085344 (1978-04-01), Eddens
patent: 4379975 (1983-04-01), Kitajima
patent: 6469408 (2002-10-01), Asao
patent: 6617739 (2003-09-01), Kinoshita
patent: 6707216 (2004-03-01), Han et al.
patent: 59-25957 (1984-02-01), None
patent: 10-42534 (1998-02-01), None

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