Patent · US Active

Blade for a water turbine

US8801386B2 · kind B2 · utility

4Cited by

58References

15Claims

0Family size

Assignee

Atlantis Resources Corporation PTE Limited · SG

Inventors

John Keir · Marietta, US
Sutthiphong Srigrarom · Singapore, SG

Key dates

Filing date	Apr 14, 2009
Grant date	Aug 12, 2014
Priority date	—
Expiry date	Oct 12, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E10/72
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A turbine blade is described which includes a blade root; a blade tip; a leading edge extending from the blade root to the blade tip; a trailing edge extending from the blade root to the blade tip; a blade root chord defined as a straight line between the leading edge and the trailing edge at the blade root; a blade tip chord defined as a straight line between the leading edge and the trailing edge at the blade tip; wherein the blade tip chord is angularly displaced from the blade root chord by a twist angle of between 50° and 90°.

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