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:
Apr. 01, 2014
Filed:
Jan. 31, 2012
Yu Akashi, Tokyo, JP;
Takeshi Matsuo, Tokyo, JP;
Shinsuke Sato, Tokyo, JP;
Takuro Kameda, Tokyo, JP;
Yoshiyuki Morii, Tokyo, JP;
Fumio Hamano, Tokyo, JP;
Yu Akashi, Tokyo, JP;
Takeshi Matsuo, Tokyo, JP;
Shinsuke Sato, Tokyo, JP;
Takuro Kameda, Tokyo, JP;
Yoshiyuki Morii, Tokyo, JP;
Fumio Hamano, Tokyo, JP;
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Abstract
A power generating apparatus of renewable energy type includes a tower, a nacelle which is supported rotatably by a tip portion of the tower; a main shaft rotatable with a blade; a hydraulic pump which is housed in the nacelle and is driven by rotation of the main shaft; a hydraulic motor which is driven by operating oil supplied from the hydraulic pump; a generator which is coupled to the hydraulic motor; an operating-oil line which is provided between the hydraulic pump and the hydraulic motor and through which the operating oil circulates; a cooling-medium line through which cooling medium for cooling the operating oil circulates via an intermediate heat exchanger; and a main heat exchanger which cools the cooling medium by heat exchange with cool water source around a base portion of the tower, and one of the operating-oil line.