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Title:
POWER GENERATING APPARATUS OF RENEWABLE ENERGY TYPE
Document Type and Number:
WIPO Patent Application WO/2011/148653
Kind Code:
A3
Abstract:
It is intended to provide a power generating apparatus of renewable energy type which can control the hydraulic transmission with high accuracy according to control signals. 1. The power generating apparatus of renewable energy type includes a rotating shaft 18 driven by the renewable energy source, a hydraulic pump 20 driven by the rotating shaft 18, a hydraulic motor driven by pressurized oil supplied from the hydraulic pump, a generator coupled to the hydraulic motor, a high pressure oil line 22 through which a discharge side of the hydraulic pump is in fluid communication with an intake side of the hydraulic motor, and a low pressure oil line 23 through which an intake side of the hydraulic pump is in fluid communication with a discharge side of the hydraulic motor. Each of the hydraulic pump 20 and the hydraulic motor includes a plurality of working chambers 53 each surrounded by a cylinder 51 and a piston 52, a high pressure manifold 60 including first branch channels 60A each connected to the working chambers and a first merging channel 60B connected to the high pressure oil line, the first branch channels joining together and merging into the first merging channel, a low pressure manifold 62 including second branch channels 62A each connected to the working chambers and a second merging channel 62B, the second branch channels joining together and merging into the second merging channel, high pressure valves 65 provided in the first branch channels of the high pressure manifold, low pressure valves respectively provided in the second branch channels of the low pressure manifold and a casing 50 accommodating them.

Inventors:
TSUTSUMI KAZUHISA (JP)
SHIMIZU MASAYUKI (JP)
MAEKAWA ATSUSHI (JP)
NOGUCHI TOSHIHIDE (JP)
KOREMATSU YASUHIRO (JP)
CALDWELL NIALL (GB)
DUMNOV DANIIL (GB)
SALTER STEPHEN (GB)
STEIN UWE (GB)
RAMPEN WILLIAM (GB)
FOX ROBERT (GB)
ROBERTSON ALASDAIR (GB)
LAIRD STEPHEN (GB)
KARSTENS HAUKE (GB)
PAPPALA VENKATA (GB)
Application Number:
PCT/JP2011/003002
Publication Date:
April 12, 2012
Filing Date:
May 30, 2011
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD (JP)
TSUTSUMI KAZUHISA (JP)
SHIMIZU MASAYUKI (JP)
MAEKAWA ATSUSHI (JP)
NOGUCHI TOSHIHIDE (JP)
KOREMATSU YASUHIRO (JP)
CALDWELL NIALL (GB)
DUMNOV DANIIL (GB)
SALTER STEPHEN (GB)
STEIN UWE (GB)
RAMPEN WILLIAM (GB)
FOX ROBERT (GB)
ROBERTSON ALASDAIR (GB)
LAIRD STEPHEN (GB)
KARSTENS HAUKE (GB)
PAPPALA VENKATA (GB)
International Classes:
F03D11/02; F03D9/00; F03D11/00
Domestic Patent References:
WO1991005163A11991-04-18
Foreign References:
US20100040470A12010-02-18
US4496847A1985-01-29
DE1653420A11971-12-23
US20090155095A12009-06-18
US20100032959A12010-02-11
DE10345406A12004-04-22
US5944493A1999-08-31
Attorney, Agent or Firm:
TAKAHASHI, MATSUMOTO & PARTNERS INTELLECTUAL PROPERTY CORP. (Ambassador Roppongi Buildings 16-13, Roppongi 3-chome, Minato-k, Tokyo 32, JP)
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