Laser printer capable of cooling heat generating parts as well a

Details Laser printer capable of cooling heat generating parts as well a Laser printer capable of cooling heat generating parts as well a

1996-03-28

1998-06-23

Le, N.

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

347260, B41J 2385, G03G 1304

Patent

active

057710554

ABSTRACT:
A novel laser printer is disclosed, in which heat generating parts are positively cooled while reducing the noise generated by a blowing mechanism. A rotor of the motor for rotating a scanning mirror of a scanning device is surrounded by a cover. An air flow inlet port and an air flow outlet port are formed on the sides of the cover. The space in the proximity of the air flow inlet port and the air flow outlet port is divided by an air flow separation member. One longitudinal end of the air flow separation member is close to the rotor and the other longitudinal end and the lateral ends thereof are connected to the cover. The air flow separation member partially divides the rotating air flow generated around the rotor in the proximity of the air flow outlet port, and generates the discharge air flow, which in turn is discharged out of the cover. A suction air flow is introduced from the air flow inlet port to the interior of the cover which is now negative in pressure, in the form of the rotating air flow.

REFERENCES:
patent: 4348604 (1982-09-01), Thode
patent: 4383755 (1983-05-01), Fedder et al.
patent: 5343029 (1994-08-01), Katoh et al.
patent: 5453647 (1995-09-01), Hedeen et al.

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