Patent · US Active

Erosion resistant blade and blade coating

US10336435B2 · kind B2 · utility

2Cited by

4References

11Claims

0Family size

Assignee

SIKORSKY AIRCRAFT CORPORATION · US

Inventors

Rajesh Kumar · Marlborough, US
Robert A. Barth · South Windsor, US
Wayde R. Schmidt · Pomfret Center, US

Key dates

Filing date	Feb 14, 2014
Grant date	Jul 2, 2019
Priority date	—
Expiry date	Jan 24, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G77/458
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Airfoil blades are disclosed having a coating thereon that includes a polyurethane, a polysiloxane, and a linking agent that promotes a connection between the polyurethane and the polysiloxane.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.