Patent ID: 9278744
Filing Date: 2016-03-08
CPC Classification: B63H,B64C

Claim Text:
1. An aircraft propulsion system comprising: a) a spinner comprising a spinner tip and a spinner base section; b) a front leg, angularly attached to the exterior of the spinner, the front leg comprising a front leg base section, front leg distal section, front leg leading edge, a front leg trailing edge, a front leg topside and a front leg bottom side; c) a back leg angularly attached to the front leg, the back leg comprising a back leg medial section, a back leg lateral section, back leg leading edge, a back leg trailing edge, a back leg topside and a blackleg bottom side; d) wherein the front leg is attached to the spinner at an angle of 40 to 80 degrees measured from a longitudinal spinner reference line spanning between the spinner tip and the spinner base section and a longitudinal front leg reference line spanning the front leg distal section and the front leg base section; and, e) wherein the front leg is attached to the spinner at an angle of 40 to 80 degrees measured from the surface of the spinner and a longitudinal lower surface front leg reference line spanning the lower surface of the front leg.