Patent · US Active

Rotor blade tip design for improved hover and cruise performance

US10899440B2 · kind B2 · utility

4Cited by

13References

15Claims

0Family size

Assignees

SIKORSKY AIRCRAFT CORPORATION · US
UNITED TECHNOLOGIES CORPORATION · US

Inventors

Daniel Caleb Sargent · Easton, US
Timothy James Conti · Shelton, US
Brian E. Wake · South Glastonbury, US
Byung-Young Min · Glastonbury, US
Blake Almy Moffitt · South Windsor, US
Joseph Pantalone, III · Guilford, US

Key dates

Filing date	Mar 9, 2018
Grant date	Jan 26, 2021
Priority date	—
Expiry date	Oct 4, 2038

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB64C27/463
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A rotor blade for a rotary wing aircraft and a tip for the rotor blade. The rotor blade includes a blade root, a blade tip and a blade body that extends from the blade root to the blade tip. The blade tip includes: a continuously swept leading edge, a compound trailing edge, and a continuous anhedral.

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