# US 11,441,488 B2 · Gas turbine power generation system

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- Number: US 11,441,488 B2
- Document ID: US11441488B2
- Status: Granted
- Kind: B2
- Application number: 17/142,423
- Filed: 2021-01-06
- Published: 2021-07-15
- Granted: 2022-09-13
- Earliest claimed: 2020-01-10
- Assignees: Toshiba Energy Systems & Solutions Corporation
- Applicants: Toshiba Energy Systems & Solutions Corporation
- Inventors: Takahiro Ono; Tsuguhisa Tashima; Shogo Iwai; Hideyuki Maeda; Tomomi Okuyama; Koki Nishimura
- Web page: https://patentgrep.com/patent/US11441488B2

## CPC

- F01D 15/10: Adaptations for driving, or combinations with, electric generators
- F02C 7/36: Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user ({F02C3/107 - F02C3/13 and} F02C7/32 take precedence; couplings for transmitting rotation F16D; gearing in general F16H)
- F01D 5/026: {Shaft to shaft connections}
- F01D 5/10: Anti- vibration means {(specially adapted for radial flow machines or engines F01D5/04)}
- F01D 15/08: Adaptations for driving, or combinations with, pumps
- F01D 25/168: {for axial load mainly}
- F02C 7/06: Arrangements of bearings (bearings F16C); Lubricating ({of turbo machines F01D25/18; of machines or} engines in general F01M)
- F05D 2220/76: an electrical generator
- F05D 2240/52: Axial thrust bearings
- F05D 2260/40: Transmission of power
- F05D 2260/4023: through a friction clutch
- F05D 2260/4031: as in toothed gearing
- F05D 2260/611: Sequestration of CO2
- F01D: NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES (machines or engines for liquids F03; non-positive displacement pumps F04D)
- F02C: GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS (construction of turbines F01D; jet-propulsion plants F02K; construction of compressors or fans F04; generating combustion products of high pressure or high velocity F23R; using gas turbines in compression refrigeration plants F25B11/00)
- F05D: INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS

## Abstract

Shaft stability is enhanced and reliability is improved. In a gas turbine power generation system of an embodiment, a pressurizing unit, a rotation control unit, a diaphragm coupling, a turbine, and a generator are disposed to line up sequentially on the same shaft. A thrust bearing is provided between the turbine and the generator. The turbine is configured such that a working medium flows from the diaphragm coupling side toward the rotation control unit side.

## Claims

### Claim 1

A gas turbine power generation system in which a pressurizing unit, a rotation control unit, a diaphragm coupling, a radial bearing, a turbine, and a generator are disposed to line up sequentially on a same shaft, the gas turbine power generation system comprising
a thrust bearing provided between the turbine and the generator, wherein
the turbine is configured such that a working medium flows from the diaphragm coupling side toward the rotation control unit side.

### Claim 2 (depends on 1)

The gas turbine power generation system according to claim 1, wherein
the rotation control unit has a clutch.

### Claim 3 (depends on 2)

The gas turbine power generation system according to claim 2, wherein
the rotation control unit further has a speed reducer.