Actively controlled texturing systems

US9017795B2 · kind B2 · utility

Assignee

• GM GLOBAL TECHNOLOGY OPERATIONS LLC · US

Inventors

• Andrew C. Keefe · Calabasas, US
• Christopher P. Henry · Thousand Oaks, US
• Geoffrey P. McKnight · Los Angeles, US
• Guillermo A. Herrera · Calabasas, US
• Alan L. Browne · Grosse Pointe, US
• Nancy L. Johnson · Northville, US

Key dates

• Filing date: Sep 14, 2011
• Grant date: Apr 28, 2015
• Expiry date: Mar 26, 2033

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/24942
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

Actively controlled texturing systems for and methods of selectively and reversibly forming wrinkles, or modifying the amplitude, wavelength, or pattern of existing wrinkles upon a surface using active material actuation.