The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9938957 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 10, 2018

Filed:

May. 28, 2014
Applicant:

Teral Inc., Fukuyama-shi, Hiroshima, JP;

Inventors:

Hao Liu, Narashino, JP;

Takeo Fujii, Fukuyama, JP;

Assignee:

TERAL INC., Fukuyama-shi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03D 1/06 (2006.01); F03B 13/26 (2006.01); F03B 17/06 (2006.01);
U.S. Cl.
CPC ...
F03D 1/0633 (2013.01); F03B 13/264 (2013.01); F03B 17/061 (2013.01); F05B 2210/16 (2013.01); F05B 2240/30 (2013.01); F05B 2250/61 (2013.01); F05B 2250/71 (2013.01); Y02E 10/223 (2013.01); Y02E 10/28 (2013.01); Y02E 10/721 (2013.01);
Abstract

A rotor for a wind/water power machine that can reduce fluid resistance. A rotor provided with a hub and blades. A projected plane perpendicular to a rotational center axis line of the rotor, front edges of the blades protrude, in at least one part, forward in the rotational direction of the rotor relative to a first line segment; front edge protruding tips thereof are disposed in positions separated outward in the radial direction of the rotor from the outer peripheral edge of the hub by a length 0.4 to 0.6 times the length of the blade; and portions of the front edges of the blades that extend from the ends on the inside in the radial direction of the rotor to the front edge protruding tips are curved or bent convexly, in at least one part, rearward in the rotational direction of the rotor relative to a second line segment.


Find Patent Forward Citations

Liu, Hao. (2018). Rotor (U.S. Patent No. 9938957). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9938957

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