Air blower

Details Air blower Air blower

1986-08-07

1988-03-29

Croyle, Carlton R.

Pumps

Motor driven

Including means utilizing pump fluid for augmenting cooling,...

417411, 417423R, 415208, F04B 1700, F04B 3504

Patent

active

047340177

ABSTRACT:
A hand-held blower includes a tubular housing having a cavity, an open end and peripheral air inlets spaced from the open end. A dividing wall in the housing cavity separates the cavity into a forward and a rear compartment, the forward compartment having a motor and a fan mounted on the motor, and the rear compartment having a rechargeable power supply electrically connected to the motor. Actuating means electrically connects and disconnects the rechargeable power supply and the motor and a charging jack electrically connected to the rechargeable power supply is provided for connecting the power supply to an external power source.

REFERENCES:
patent: 2441239 (1948-05-01), Flanders
patent: 2668686 (1954-02-01), Thomas
patent: 3099386 (1963-07-01), Pieper
patent: 3407431 (1968-10-01), Melnik
patent: 3439204 (1969-04-01), Ponczek et al.
patent: 3558243 (1971-01-01), Trapp
patent: 3647323 (1972-03-01), Thomas
patent: 3999243 (1976-12-01), LaPour
patent: 4044750 (1977-08-01), Zeigler
patent: 4219325 (1980-08-01), Gutzwiller
patent: 4388673 (1983-06-01), Maglica
patent: 4516561 (1985-05-01), Stawski et al.
patent: 4542557 (1985-09-01), Levine
patent: 4573234 (1986-03-01), Kochte et al.

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