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Doosan Heavy Industries & Construction Co Ltd patents


Recent patent applications related to Doosan Heavy Industries & Construction Co Ltd. Doosan Heavy Industries & Construction Co Ltd is listed as an Agent/Assignee. Note: Doosan Heavy Industries & Construction Co Ltd may have other listings under different names/spellings. We're not affiliated with Doosan Heavy Industries & Construction Co Ltd, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "D" | Doosan Heavy Industries & Construction Co Ltd-related inventors


Hybrid power generation system

Disclosed herein is a hybrid power generation system. The hybrid power generation system may enhance efficiency of production of electricity and heating heat by integrating power generation using supercritical carbon dioxide (CO2) and cogeneration.... Doosan Heavy Industries & Construction Co Ltd

Damping liner cap and gas turbine combustor

A gas turbine combustor includes a combustion chamber, a liner adjacent to the combustion chamber, a liner cap capping the combustion chamber, and a swirler cup passing through the liner cap. The liner cap includes a first cavity having a first inlet receiving an air, a second cavity having a... Doosan Heavy Industries & Construction Co Ltd

Hybrid type power generation system

A hybrid type power generation system in which some of components of a cogeneration system are combined with a supercritical CO2 power generation system, may increase an energy output by combining some of the components of the cogeneration system with the supercritical CO2 power generation system.... Doosan Heavy Industries & Construction Co Ltd

Apparatus and analyzing influence variable on membrane fouling of seawater desalination system

This disclosure relates to an apparatus and method for analyzing an influence variable on membrane fouling of a seawater desalination system, wherein influence variables other than variables having a low degree of influence, among variables affecting the membrane, are selected, and the influence thereof on membrane fouling is used to... Doosan Heavy Industries & Construction Co Ltd

Influence analyzing analyzing influence of combustibles

A apparatus may extract temperature for each region of a feed water and steam system of a thermoelectric power plant with respect to a combustible combination including one or more combustibles, extract one or more vectors for each region from the temperatures extracted for each region, generate one or more... Doosan Heavy Industries & Construction Co Ltd

Apparatus and determining chemical input

An apparatus and method for determining an amount of chemical input, and more particularly to an apparatus and method for determining the amount of a chemical to be added, which is necessary to achieve target water quality, wherein a required chemical concentration can be accurately calculated based on the temperature... Doosan Heavy Industries & Construction Co Ltd

Data transmission apparatus and method

A data transmission method includes requesting, by a plurality of transceivers, an authentication to a main controller, transmitting an authentication acceptance signal and separate decoding keys from the main controller to the transceivers, transmitting an encoded data bundle from the main controller to the transceivers and extracting, by each of... Doosan Heavy Industries & Construction Co Ltd

Apparatus and detecting abnormal vibration in rotor

An apparatus for detecting abnormal vibrations of a rotor includes a vibration information receiver configured to receive at least one type of information among vibration information regarding one or more dimensions distinguishing locations and directions of the rotor and rotor rotation information including a number of rotations of the rotor,... Doosan Heavy Industries & Construction Co Ltd

Gas turbine blade

A gas turbine blade according to an embodiment of the present invention includes a turbine blade provided in a gas turbine; and a plurality of film coolers formed in a section from a leading edge to a trailing edge of the turbine blade, in which the film cooler includes a... Doosan Heavy Industries & Construction Co Ltd

Capacitive deionization electrode module and water treatment apparatus and method capable of saving energy using the same

The present invention relates to a capacitive deionization electrode module, a water treatment apparatus and method capable of saving energy using the same, and more particularly, to a capacitive deionization electrode module that is capable of improving durability, suppressing fouling, and increasing the amount of incoming water treated and to... Doosan Heavy Industries & Construction Co Ltd

System for coating heat transfer tube for condenser

A system for coating a heat transfer tube for a condenser is disclosed. The system simplifies a process of coating the heat transfer tube, and is able to uniformly coat a plurality of heat transfer tubes. In addition, the system is economically feasible in that coating solution can be reused... Doosan Heavy Industries & Construction Co Ltd

Apparatus and system for simulating maintenance of reactor core protection system

A system for simulating maintenance of a reactor core protection system that has at least two or more channels, includes: a simulation signal generation unit for generating a simulation state signal including a normal state or an abnormal state, a communication unit connected to each of the channels of the... Doosan Heavy Industries & Construction Co Ltd

Disk assembly and turbine including the same

A disk assembly may include: a first disk engaged with a compressor section of a gas turbine; a second disk engaged with a turbine section of the gas turbine; and a third disk disposed between the first and second disks, and transferring torque applied to the second disk to the... Doosan Heavy Industries & Construction Co Ltd

Ball-socket type tilting pad journal bearing

A ball-socket type tilting pad journal bearing configured to reduce friction between a tilting pad and a pivot includes a housing body, a plurality of tilting pads disposed inside the housing body, and a plurality of pivots fixed on an inner surface of the housing body. An oil collection unit... Doosan Heavy Industries & Construction Co Ltd

Multistage fiber filtering apparatus capable of selectively filtering

The present invention relates to a multistage fiber filtering apparatus capable of selectively filtering depending on turbidity of raw water, in which a first filtration mode where the raw water passes through a fiber ball medium, a second filtration mode where the raw water passes through a fiber yarn medium,... Doosan Heavy Industries & Construction Co Ltd

Vibration monitoring and diagnosing system for wind power generator

Disclosed herein is a vibration monitoring and diagnosing system for monitoring conditions of a wind power generator and diagnosing a defective portion thereof using vibration characteristics obtained from acceleration sensors mounted to the wind power generator. A vibration-based defect detecting method may include: collecting vibration data of the wind power... Doosan Heavy Industries & Construction Co Ltd

Spray nozzle for attemperators and attemperator including the same

Disclosed herein are a spray nozzle for an attemperator and an attemperator including the spray nozzle. An attemperator according to an embodiment includes: a steam transfer pipe through which steam is transferred; a fixed pipe which is fixed to an outer surface of the steam transfer pipe; and a spray... Doosan Heavy Industries & Construction Co Ltd

Wind farm supervision monitoring method

A wind farm supervision monitoring method includes: displaying, by a user interface (UI) unit, a location of the site server on a map along with a dashboard menu, a navigation menu, and an alarm & event menu; collecting, by a data collection unit, data about status monitoring of each wind... Doosan Heavy Industries & Construction Co Ltd

Wind farm supervision monitoring system

A wind farm supervision monitoring system includes: a data collection unit configured to collect data about a status monitoring of each wind turbine from at least one site server; an abnormality status detection unit configured to detect an abnormality status of each wind turbine based on the collected data about... Doosan Heavy Industries & Construction Co Ltd

Nozzle box assembly

A nozzle box assembly includes steam inlets, through which working steam is supplied, a torus part connected to the steam inlets so as to form an annular steam path and having an opening portion, in which a part of the front surface of the annular steam path is opened, a... Doosan Heavy Industries & Construction Co Ltd

Supercritical co2 generation system applying plural heat sources

The present invention relates to a supercritical CO2 generation system applying plural heat sources. According to the present invention, each heat exchanger is effectively disposed according to conditions such as an inlet and outlet temperature, capacity, the number, etc. of the heat source, such that it is possible to use... Doosan Heavy Industries & Construction Co Ltd

Supercritical co2 generation system applying plural heat sources

The present invention relates to the supercritical CO2 generation system applying plural heat sources. The supercritical CO2 generation system applying plural heat sources includes a pump circulating a working fluid; a plurality of heat exchangers heating the working fluid using an external heat source and including a plurality of constrained... Doosan Heavy Industries & Construction Co Ltd

Waste heat recovery power generation system and flow control method thereof

Provided is a waste heat recovery power generation system, including: a compressor configured to compress a working fluid; a heat exchanger configured to recover waste heat from waste heat gas supplied from a waste heat source, the recovered waste heat heating the working fluid; a turbine configured to be driven... Doosan Heavy Industries & Construction Co Ltd

Method for managing power of energy storage system connected with renewable energy

A method for managing power of an energy storage system (ESS) connected to renewable energy, the ESS including an energy storage device connected to a power grid, a battery management system (BMS), a power conditioning system (PCS), and one or more renewable energy generation facilities producing electric energy from renewable... Doosan Heavy Industries & Construction Co Ltd

Energy storage system and management method thereof

An energy storage system includes one or more new and renewable energy power stations generating power with a new or renewable energy source, and an energy storage facility including a plurality of energy storage apparatuses to be charged by one of an external power grid supplying power to a power... Doosan Heavy Industries & Construction Co Ltd

Sewage/wastewater treatment system using granular activated sludge and membrane bio-reactor and sewage/wastewater treatment method using the same

The present disclosure relates to a sewage/wastewater treatment system using granular activated sludge and a membrane bio-reactor and a sewage/wastewater treatment method using the same that are configured to effectively remove pollutants contained in raw water through a granulation tank in which the granular activated sludge is contained and to... Doosan Heavy Industries & Construction Co Ltd

Nozzle box assembly

A nozzle box assembly includes steam inlets, a torus part, and a steam path ring. Working steam is supplied through the steam inlets. The torus part is connected to the steam inlets so as to form an annular steam path and having an opening portion, in which a part of... Doosan Heavy Industries & Construction Co Ltd

Supercritical carbon dioxide power generation system utilizing plural heat sources

Disclosed herein is a supercritical carbon dioxide power generation system utilizing a plurality of heat sources, comprising: a pump for circulating a working fluid; a plurality of heat exchangers for heating the working fluid through an external heat source; a plurality of turbines driven by the working fluid heated through... Doosan Heavy Industries & Construction Co Ltd

Method for predicting slagging production position and slagging production possibility in furnace

The present disclosure relates to a method for predicting a slagging production position and a slagging production possibility in a furnace, the method including: the analyzing step of analyzing physical compositions of two or more kinds of coal; the phase diagram producing step of producing a phase diagram on the... Doosan Heavy Industries & Construction Co Ltd

Yaw brake system

Disclosed herein is a yaw brake system including a multi-disk member disposed in an upper portion of a tower frame of wind generator and including at least two disks, and a braking member disposed in a lower end of a nacelle frame of the wind generator, and provided to brake... Doosan Heavy Industries & Construction Co Ltd

Static mixer

A static mixer for mixing exhaust gases to be supplied to a selective catalytic reduction device located at the back of a boiler, includes a gas accommodation part having a first inlet and a plurality of second inlets partitioned from each other to introduce gases having different temperatures thereinto so... Doosan Heavy Industries & Construction Co Ltd

Apparatus and diagnosing abnormal operation of a rotor

An apparatus for diagnosing abnormal operation of a rotor. The apparatus includes a first sensor provided around a shaft in order to detect vibration occurring while the shaft provided in a rotor axially rotates, a second sensor to generate a periodic pulse signal over time whenever the shaft rotates once,... Doosan Heavy Industries & Construction Co Ltd

Dissolved air flotation system

The present disclosure relates to a dissolved air flotation system using ambient air, and more particularly, to a dissolved air flotation system that is capable of allowing ambient air to be introduced in front of a pump to generate micro air bubbles with the water discharged from the pump, so... Doosan Heavy Industries & Construction Co Ltd

Water purifying system and backwash module control method thereof

Disclosed herein is a water purifying system, including: a raw water tank configured to store raw water; a filter unit configured to include a plurality of filtration modules for purifying the raw water and a plurality of valves for feeding or cutting off the raw water; a raw water pump... Doosan Heavy Industries & Construction Co Ltd

Supercritical co2 generation system applying recuperator per each heat source

Disclosed herein is a supercritical CO2 generation system using plural heat sources, including: a pump configured to circulate a working fluid; plural heat exchangers configured to heat the working fluid using an external heat source; plural turbines configured to be driven by the working fluid heated by passing through the... Doosan Heavy Industries & Construction Co Ltd

04/20/17 / #20170107860

Supercritical co2 generation system applying plural heat sources

A supercritical CO2 generation system using plural heat sources, includes: a pump configured to circulate a working fluid; heat exchangers configured to heat the working fluid using an external heat source; turbines configured to be driven by the working fluid heated by passing through the heat exchanger; and recuperators configured... Doosan Heavy Industries & Construction Co Ltd

04/13/17 / #20170100789

Tube cutting device having conical fitting member to cut tube of waste steam generator

A tube cutting device for cutting a tube of a waste steam generator including: a body configured to transmit power; a tube-shaped rotary body provided on a side surface of the body and having a horizontal rotary shaft configured to rotate with the power supplied from the body; a plurality... Doosan Heavy Industries & Construction Co Ltd

04/06/17 / #20170095753

Cyclone type liquid-vapor separator and forced circulation type evaporator using the same

A cyclone type liquid-vapor separator includes a chamber including: an internal space wherein the treatment liquid introduced into the internal space is depressurized and evaporated; a vapor outlet formed on a top of the chamber and through which vapors generated through the evaporation is discharged; and a concentrated liquid outlet... Doosan Heavy Industries & Construction Co Ltd

04/06/17 / #20170096898

Gas turbine disk

A gas turbine disk includes a rotor and a tie-bolt. The rotor includes a plurality of blades and a plurality of disks. The plurality of blades are disposed on outer circumferential surfaces of the plurality of disks. The tie-bolt is disposed along a center axis of the rotor and through... Doosan Heavy Industries & Construction Co Ltd

04/06/17 / #20170096899

Gas turbine disk

The present disclosure relates to a plurality of disks, on which outer circumferential surfaces a plurality of blades are arranged, and has an objective to provide a gas turbine disk including a plurality of cooling channels penetrating the side surfaces of the disks and spaced from each other in a... Doosan Heavy Industries & Construction Co Ltd

04/06/17 / #20170096907

Gas turbine tip clearance control assembly

The present disclosure relates to a tip clearance control assembly of a gas turbine including a casing, a plurality of blades, a labyrinth seal, and a shroud. The casing guides a flow of combustion gas. The plurality of blades is located inside the casing in such a manner as to... Doosan Heavy Industries & Construction Co Ltd

04/06/17 / #20170096912

Foreign substance removal gas turbine

A foreign substance removal apparatus for a gas turbine includes a combustor casing having a first cooling air passage formed in a tangential direction of a combustor in a gas turbine in order to move cooling air into the combustor, a first foreign substance collection unit disposed on a flow... Doosan Heavy Industries & Construction Co Ltd

03/30/17 / #20170088452

Apparatus for evaporative concentration of water to be treated, which uses hot lime softening, and evaporative concentration of water using the same

An apparatus for evaporative concentration of water, containing hardness-causing substances, to be treated using hot lime softening, includes: a first evaporator configured to form first concentrated water from the water to be treated by evaporatively concentrating the water by first heat exchange with hot steam; a hot lime softener configured... Doosan Heavy Industries & Construction Co Ltd

03/02/17 / #20170057853

Submerged membrane filtration system using reciprocating membrane

Provided is a reciprocating submerged membrane filtration apparatus including: a membrane tank comprising a submerged membrane and configured to intake influent wastewater to be treated, the influent wastewater being filtered through the submerged membrane to produce treated water; and a reciprocation apparatus configured to move the membrane to create an... Doosan Heavy Industries & Construction Co Ltd

03/02/17 / #20170059251

Deaerator

A deaerator includes a tank, a spray unit, a steam supply unit, a bleed unit and a discharge pipe. The spray unit is disposed at an upper portion of the tank and configured to supply water to the tank. The steam supply unit is disposed inside the tank to supply... Doosan Heavy Industries & Construction Co Ltd

03/02/17 / #20170063181

Device for preventing vibration of stator core for power generator

A device for preventing a vibration of a stator core for power generator includes: a ring-shaped fastening band installed to enclose an outer circumferential surface of a stator core to support the stator core; a plurality of key bars coupled with the fastening band to be coupled with the stator... Doosan Heavy Industries & Construction Co Ltd

03/02/17 / #20170063199

Rotor assembly having improved cooling path

A rotor assembly includes: coil turns each of which has a plurality of conductors stacked in a multilayer structure and includes a linear part interposed between teeth of a rotor body and formed in a longitudinal direction with ducts through which cooling fluid moves, and a curved part extending from... Doosan Heavy Industries & Construction Co Ltd

02/16/17 / #20170043281

High-rate sedimentation tank and water treatment apparatus including the same

A high-rate sedimentation tank includes a hopper configured to be supplied with raw water including floc, at least one circular orifice pipe disposed at a lower portion of the hopper and configured to have the floc deposited therein as a sludge while passing the floc included in the raw water... Doosan Heavy Industries & Construction Co Ltd

02/16/17 / #20170044905

Gas turbine blade

A gas turbine blade has a trench part of a film cooling unit for cooling a blade part that is formed at a tip of a film cooling hole part. As a result, cooling efficiency of the blade can be improved since the blade part is sufficiently cooled even during... Doosan Heavy Industries & Construction Co Ltd

02/16/17 / #20170047806

Rotor assembly

Disclosed herein is a rotor assembly, including a cylindrical housing coupled to an outer circumferential surface of a rotor body and configured to house a coil turn therein, a supporting unit disposed in the housing and configured to prevent the coil turn from being pushed in an axial direction of... Doosan Heavy Industries & Construction Co Ltd

02/09/17 / #20170037735

Assembling a bucket and a fixture for a bucket for a turbine blade

Disclosed herein is a fixture for a bucket for a turbine blade. The fixture includes a rotor wheel that includes a plurality of dovetail grooves. A platform seat is formed between the dovetail grooves and provided with a first insertion groove in a circumferential direction. A bucket includes a platform... Doosan Heavy Industries & Construction Co Ltd

01/19/17 / #20170016397

Gas turbine compressing cooling system provided with cooling air supply paths around outer casing

The present invention relates to a gas turbine which includes a cooling system provided with cooling air supply paths bypassed through an outside casing and, more specifically, to a gas turbine including a cooling system and a cooling method, wherein, in order to supply cooling air to a plurality of... Doosan Heavy Industries & Construction Co Ltd








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