Jet drive for an amphibious vehicle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Nov 23, 2006
app pub date -
May 19, 2004
filing date -
May 19, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Amphibious vehicle (50), with reference to FIG. 4, has jet drive (30) packaged behind power train (20, 22), but also configured to produce sufficient thrust for planing, despite drag created by open arches around retractable wheels (52). The ratio of thrust to jet intake length is at least 18 kN/m. The ratio of fluid inlet area to fluid outlet area may be between (2.5) and (3.5). The rate of fluid flow through the jet may be 0 to 1.5 m.sup.3/sec. The maximum thrust may be 7700N, from an engine peak power of less than 135 kW, with a jet less than 860 mm long. The jet drive shaft may be skewed laterally; and may be cantilevered from a bearing in the conduit wall; which bearing may be rotated when the vehicle is driven on roads. Water flow through the jet may be reversible; alternatively, a reversing bucket may be fitted.
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