Electric heating – Heating devices – Tool or instrument
Patent
1998-06-22
2000-05-02
Walberg, Teresa
Electric heating
Heating devices
Tool or instrument
219230, 228 205, H05B 100
Patent
active
060575271
ABSTRACT:
The present invention is directed to a self-contained desoldering gun having a built-in vacuum pump. The vacuum pump is operated by a low voltage electric motor which is electrically connected in at least partial series with a heating tip. According to an exemplary embodiment of the invention a full wave bridge rectifier is used to supply power to the vacuum pump motor and a built-in vacuum pump while using a half-wave bridge rectifier to supply power to the heater. In exemplary embodiments, the vacuum pump is provided for drawing molten solder and when a trigger is activated the motor is subsequently energized and the output of the heating tip is increased.
REFERENCES:
patent: 5857609 (1999-01-01), Jacks
Cooper Technologies Company
Patel Vinod
Walberg Teresa
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