Patent · US Expired

Method and apparatus for reducing airplane noise

US6161797A · kind A · utility

71Cited by
6References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 25, 1996
Grant dateDec 19, 2000
Priority date
Expiry dateNov 25, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T50/30
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A modification of a 727 airplane, including a change in wing profile, to affect flight characteristics and the engines to lessen noise, such that the takeoff and landing procedure is modified so that engine power may be reduced, permitting the modified aircraft to meet the latest noise requirements without substantially reducing pay load.

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