Fan unit for an internal combustion engine of automobile vehicle

Details Fan unit for an internal combustion engine of automobile vehicle Fan unit for an internal combustion engine of automobile vehicle

1982-06-02

1984-07-10

Freeh, William L.

Pumps

Motor driven

Pump within rotary working member

417423R, 123 4112, 123 4149, 310 63, 310 49R, 318254, 416169A, 416189, F04B 3504, F01P 702, H02K 3700

Patent

active

044590873

ABSTRACT:
A fan unit for cooling an internal combustion engine comprising a fan impeller associated with a coaxial channel for guiding the air travelling through said impeller and an electric driving motor of DC type. The channel is fixed to the ends of the blades of the impeller and rotates with the impeller and itself constitutes the rotor of the electric motor whose stator coaxially surrounds at least a part of the channel. The stator is rigid with a fixed shaft around which the impeller rotates. This fan unit has a high permeability when inoperative so that it is particularly adapted for use in an automobile vehicle.

REFERENCES:
patent: 1996195 (1935-04-01), Ferguson
patent: 2697986 (1954-12-01), Meagher, Jr.
patent: 3394682 (1968-07-01), Bensinger
patent: 4025831 (1977-05-01), Webb
patent: 4060753 (1977-11-01), Okuyama et al.
patent: 4065706 (1977-12-01), Gosling et al.
patent: 4228384 (1980-10-01), Arnold, Jr. et al.
patent: 4257554 (1981-03-01), Willingham
patent: 4358245 (1982-11-01), Gray
patent: 4360751 (1982-11-01), Arnold, Jr. et al.
patent: 4396875 (1983-08-01), Yamauchi
patent: 4413947 (1983-11-01), Seki
Joy Manufacturing Company Bulletin J-614, p. 5, Published May 1956.

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