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.:
Date of Patent:
Mar. 26, 2013
Filed:
Apr. 06, 2010
Applicants:
Jianjun Zhang, Cupertino, CA (US);
Nanzhi Zou, Fremont, CA (US);
Wang-long Zhou, Andover, MA (US);
Inventors:
Assignee:
Skywind, Inc., Fremont, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
F03D 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is provided a mechanism for opening and closing a working umbrella of a kite-guided umbrella ladder system. The umbrella ascends when in an open state and descends when in a closed state. Huge pulling power is introduced by the working umbrella when it is ascending, which can be used for power generation. A system with a common rail tether and multiple working umbrellas is provided for efficient and large scale power generation.