Patent · US Expired

Pressure sensing on rigid sails

US4610213A · kind A · utility

3Cited by
9References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 6, 1984
Grant dateSep 9, 1986
Priority date
Expiry dateApr 6, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01L19/0007
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Pressure tapping for rigid sails, the tappings (10, 11, 12, 15, 16) being located to either provide a stall warning or to enable tuning of the sailset to the desired operating angles. A particular flow-state sensitive stall warning device is also described.

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