B - Operations – Transporting – 64 – B
Patent
B - Operations, Transporting
64
B
B64B 1/26 (2006.01)
Patent
CA 2631277
A ducted propulsion unit for an airship is described, together with a method of using the propulsion unit and an airship including such a propulsion unit. The propulsion unit has a propeller mounted in a duct with at least one port in the wall of the duct downstream of the propeller allowing air flow transverse to the axis of the duct. The duct has a closure to occlude outflow from the rear of the duct, and an additional closure to control flow through each port. Selective operation of one of the ports provides thrust radially to the axis of the duct for control of direction, altitude or attitude of the airship.
21st Century Airship Technologies Inc.
Blake Cassels & Graydon Llp
Stig Hakan Colting
LandOfFree
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