Invention Grant
- Patent Title: Single-piece propeller and method of making
- Patent Title (中): 单件螺旋桨及其制作方法
-
Application No.: US12039458Application Date: 2008-02-28
-
Publication No.: US08221084B2Publication Date: 2012-07-17
- Inventor: Danny Ball , Kevin Pfeiffer
- Applicant: Danny Ball , Kevin Pfeiffer
- Applicant Address: US RI Providence
- Assignee: Textron Innovations Inc.
- Current Assignee: Textron Innovations Inc.
- Current Assignee Address: US RI Providence
- Agency: Lathrop & Gage LLP
- Main IPC: B64C27/46
- IPC: B64C27/46

Abstract:
A method for making a propeller product is disclosed. The propeller is formed using polyurethane cores adhered to a laminate hub to form a core assembly. An encapsulating structural laminate skin is then formed on the core assembly using a resin-transfer-molding process to create a single-piece composite propeller.
Public/Granted literature
- US20090220347A1 Single-Piece Propeller And Method Of Making Public/Granted day:2009-09-03
Information query