Heat gun with high performance jet pump and quick change attachments
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 4, 2000
Grant Date -
N/A
app pub date -
Nov 7, 1997
filing date -
Nov 8, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A jet pump for a heat gun includes an elongate hollow pump body lying along a longitudinal axis. The pump body has an inlet, a mixing section and an outlet. A nozzle unit is axially aligned with the inlet for directing pressurized fuel into the inlet of the pump body. Movement of the pressurized fuel into the inlet causes air to be drawn into the inlet to mix with the fuel within the pump body. A disk shaped air diverter is axially spaced away from the inlet of the pump body. The diverter has a length and a diameter. The diameter of the diverter is greater than the length of the diverter and larger than the inlet of the pump body. A housing is radially spaced from and surrounds the diverter forming a first annular gap therearound for air outside the housing to pass therethrough. The air moves around the diverter then changes direction between the diverter and the inlet of the pump body before entering the inlet.
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