US 12,358,620 B2
Weight balanced rotor blade with thermoplastic composite weight
Daniel O. Ursenbach, El Cajon, CA (US); and Nathaniel M. Gray, Stratham, NH (US)
Assigned to Rohr, Inc., Chula Vista, CA (US)
Filed by Rohr, Inc., Chula Vista, CA (US)
Filed on Jun. 3, 2024, as Appl. No. 18/732,169.
Application 18/732,169 is a division of application No. 17/856,579, filed on Jul. 1, 2022, granted, now 11,999,471.
Prior Publication US 2024/0317394 A1, Sep. 26, 2024
Int. Cl. B64C 27/473 (2006.01); B29C 70/30 (2006.01); B64C 27/00 (2006.01); B29L 31/08 (2006.01)
CPC B64C 27/473 (2013.01) [B29C 70/30 (2013.01); B64C 27/008 (2013.01); B29L 2031/082 (2013.01); B64C 2027/4736 (2013.01); F05D 2300/603 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A formation method, comprising:
forming a weight layer of metal powder within a weight thermoplastic matrix, wherein the weight layer is configured without fiber reinforcement; and
forming a rotor blade, the forming of the rotor blade comprising
depositing a first body layer of fiber reinforcement within a body thermoplastic matrix;
arranging the weight layer with the first body layer and fusing the weight layer to the first body layer; and
depositing a second body layer of fiber reinforcement within a body thermoplastic matrix over the weight layer, and fusing the second body layer to the weight layer and the first body layer.