Patents Assigned to Doosan Corporation
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Publication number: 20200123949Abstract: The present disclosure is related to a system for regenerating a DPF and a method thereof. The system for regenerating a DPF during operation of an engine-powered forklift that includes the DPF for collecting particulate matter form exhaust gas discharged from an engine to an exhaust path includes: an engine control unit for controlling operation of the engine; an electro-hydraulic pump for discharging a working fluid that generates a hydraulic load; a control unit for determining a state of the forklift when a DPF regeneration request signal is received from the engine control unit, and controlling at least one of the hydraulic load of the electro-hydraulic pump and revolutions per minute of the engine according to the determined state of the forklift; and a diesel oxidation catalyst unit for regenerating the DPF according to the control of the control unit.Type: ApplicationFiled: December 28, 2017Publication date: April 23, 2020Applicant: DOOSAN CORPORATIONInventors: Hyun Kyu KANG, Byung Do CHOI, Deok Rae KIM, Jun Il YI
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Patent number: 10590272Abstract: The present invention related to a thermosetting resin composition for high frequency, the composition containing (a) a polyphenylene ether having two or more unsaturated substituent groups selected from the group consisting of the vinyl group and the allyl group at both ends of the molecular chain thereof, or an oligomer of said polyphenylene ether; (b) three or more different types of cross-linking curing agents; and (c) a flame retardant. The present invention may provide a printed circuit board for high frequency which simultaneously exhibits low dielectric loss characteristic and good moisture-absorption heat resistance, low thermal expansion characteristics, excellent thermal stability, excellent processability, and the like.Type: GrantFiled: December 21, 2015Date of Patent: March 17, 2020Assignee: DOOSAN CORPORATIONInventors: Dong Hee Jung, Jeong Don Kwon, Moo Hyun Kim, Do Woong Hong
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Patent number: 10584239Abstract: A thermosetting resin composition for use with high frequencies is provided. The composition includes: (a) a polyphenylene ether having two or more unsaturated substituent groups selected from the group consisting of the vinyl group and the allyl group at both ends of the molecular chain thereof, or an oligomer of said polyphenylene ether; (b) three or more different types of cross-linking curing agents; and (c) a flame retardant. It is possible to provide a printed circuit board for use with high frequencies which simultaneously exhibits, inter alia, an outstanding low dielectric loss characteristic and good moisture-absorption heat resistance, low thermal expansion characteristics, thermal stability and outstanding working properties.Type: GrantFiled: May 28, 2019Date of Patent: March 10, 2020Assignee: DOOSAN CORPORATIONInventors: Dong Hee Jung, Jeong Don Kwon, Moo Hyun Kim, Do Woong Hong
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Publication number: 20200062141Abstract: An apparatus for controlling vehicle motors based on a battery temperature includes: a battery temperature sensor unit for measuring a temperature of a battery pack of an industrial vehicle; a battery monitoring unit for monitoring a measured value of the temperature sensor unit, and for transmitting temperature information when the temperature of the battery pack is out of a reference value that is predetermined; a vehicle control unit for restricting driving of a motor that receives a power from the battery pack based on the temperature information; and a fan control unit for controlling driving of a fan that cools the battery pack based on the temperature information.Type: ApplicationFiled: August 20, 2019Publication date: February 27, 2020Applicant: DOOSAN CORPORATIONInventor: Jin Yong LEE
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Patent number: 10573822Abstract: The present disclosure provides an organic electroluminescent device including: an anode; a cathode; and one or more organic material layers interposed between the anode and cathode and selected from the group consisting of a hole injection layer, a hole transporting layer, a light emitting layer, an electron transporting layer, and an electron injection layer, and further including a lifetime enhancement layer (LEL) between the light emitting layer and the electron transporting layer.Type: GrantFiled: December 26, 2014Date of Patent: February 25, 2020Assignee: DOOSAN CORPORATIONInventors: Tae Hyung Kim, HoCheol Park, Young Bae Kim, Chang Jun Lee, Eunjung Lee, Youngmi Beak
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Publication number: 20190387595Abstract: An apparatus for controlling irradiated light of a forklift according to an embodiment of the present invention is characterized in including: a lamp driving unit for controlling an illumination angle of a lamp that illuminates a forklift; a fork position sensing unit provided at one side of the forklift or a carriage, and sensing a lifted position of a fork; and a control unit for controlling the illumination angle of the lamp through the lamp driving unit according to the lifted position of the forklift, when the lifted position is input from the fork position sensing unit.Type: ApplicationFiled: December 28, 2017Publication date: December 19, 2019Applicant: DOOSAN CORPORATIONInventor: Jin Yong LEE
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Patent number: 10508581Abstract: The present disclosure provides a multi-step regeneration apparatus of a diesel particulate filter (DPF), which generates a load to an engine to remove soot, the apparatus including: an external air temperature sensor configured to measure a temperature of external air; a controller configured to compare a temperature value measured by the external air temperature sensor with a predetermined value and output a signal; and a control valve unit including a first control valve and a second control valve receiving a signal from the controller, and a first spool operated by the first control valve and a second spool operated by the second control valve.Type: GrantFiled: October 14, 2013Date of Patent: December 17, 2019Assignee: Doosan CorporationInventor: Beom Kyun Yu
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Publication number: 20190367477Abstract: The present invention relates to a novel compound having excellent functions, such as electron injection and transport and light emission functions, and an organic electroluminescence device. By using the novel compound in an organic material layer of the organic electroluminescence device, properties of the device such a light emitting efficiency, driving voltage, and life can be improved.Type: ApplicationFiled: November 21, 2017Publication date: December 5, 2019Applicant: DOOSAN CORPORATIONInventors: Hongsuk KIM, Young Bae KIM, Hoe Moon KIM, Ho Jun SON, Hyungchan BAE
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Publication number: 20190292364Abstract: The present invention relates to a thermosetting resin composition, and a prepreg, a laminate sheet and a printed circuit board, which use the same. The thermosetting resin composition comprises: (a) a polyphenylene ether having two or more unsaturated substituents, selected from the group consisting of vinyl and allyl groups, at both ends of its molecular chain, or an oligomer thereof; and (b) a polytetrafluoroethylene (PTFE) filler.Type: ApplicationFiled: June 30, 2017Publication date: September 26, 2019Applicant: DOOSAN CORPORATIONInventors: Moo Hyun KIM, Jeong Don KWON, Dong Hee JUNG, Ji Hong SHIN
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Publication number: 20190284393Abstract: A thermosetting resin composition for use with high frequencies is provided. The composition includes: (a) a polyphenylene ether having two or more unsaturated substituent groups selected from the group consisting of the vinyl group and the allyl group at both ends of the molecular chain thereof, or an oligomer of said polyphenylene ether; (b) three or more different types of cross-linking curing agents; and (c) a flame retardant. It is possible to provide a printed circuit board for use with high frequencies which simultaneously exhibits, inter alia, an outstanding low dielectric loss characteristic and good moisture-absorption heat resistance, low thermal expansion characteristics, thermal stability and outstanding working properties.Type: ApplicationFiled: May 28, 2019Publication date: September 19, 2019Applicant: DOOSAN CORPORATIONInventors: Dong Hee JUNG, Jeong Don KWON, Moo Hyun KIM, Do Woong HONG
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Publication number: 20190263806Abstract: The present invention relates to a novel compound and an organic electroluminescent device including the same, and the compound according to the present invention is used in an organic material layer of an organic electroluminescent device, preferably an electron transport layer or a hole blocking layer, and may increase luminous efficiency, driving voltage and lifespan of the organic electroluminescent device.Type: ApplicationFiled: October 16, 2017Publication date: August 29, 2019Applicant: DOOSAN CORPORATIONInventors: Yong Hwan LEE, Jae Yi SIM
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Publication number: 20190218083Abstract: A forklift according to an exemplary embodiment of the present disclosure includes: a first hydraulic pump and a second hydraulic pump each of which generates a working fluid; a lift cylinder which raises or lowers a carriage; a first hydraulic line which supplies the working fluid from the first hydraulic pump to the lift cylinder and a second hydraulic line which supplies the working fluid from the second hydraulic pump to the lift cylinder; a first lift spool which controls the working fluid to be supplied to the lift cylinder through the first hydraulic line and a second lift spool which controls the working fluid to be supplied to the lift cylinder through the second hydraulic line; a first pilot line which transmits a pilot signal for operating the first lift spool and a second pilot line which transmits a pilot signal for operating the second lift spool; and an opening/closing valve which selectively closes any one of the first pilot line and the second pilot line.Type: ApplicationFiled: August 24, 2017Publication date: July 18, 2019Applicant: DOOSAN CORPORATIONInventors: Deok Rae KIM, Yong Seok RYU, Byung Kwon LEE, Jun Il YI
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Publication number: 20190203688Abstract: According to a system and a method for controlling an engine for an industrial vehicle according to an exemplary embodiment of the present specification, a control unit acquires state information of the industrial vehicle, accurately determines a state of the industrial vehicle based on the acquired state information, and controls whether to start or stop the engine in an idle state.Type: ApplicationFiled: December 28, 2018Publication date: July 4, 2019Applicant: DOOSAN CORPORATIONInventor: Dongyae KIM
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Publication number: 20190202320Abstract: The present disclosure relates to an electric forklift and a method of driving the same which are capable of increasing a lifespan of a battery, and the electric forklift includes: a traveling motor which operates a wheel; a working machine motor which operates a working machine; a control unit which controls the operations of the traveling motor and the working machine motor based on an output control signal inputted from the outside; a battery which supplies electric power to the traveling motor, the working machine motor, and the control unit; and a temperature detecting unit which detects a temperature of the battery, in which the control unit controls an operation of at least one of the traveling motor and the working machine motor based on a detected temperature from the temperature detecting unit.Type: ApplicationFiled: December 28, 2018Publication date: July 4, 2019Applicant: DOOSAN CORPORATIONInventor: Jin Yong LEE
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Publication number: 20190202676Abstract: The present disclosure relates to a fork movement control device. A fork movement control device according to an exemplary embodiment of the present disclosure may control and simultaneously move two forks by manipulating a single lever.Type: ApplicationFiled: August 2, 2017Publication date: July 4, 2019Applicant: DOOSAN CORPORATIONInventor: Ki Eop NA
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Publication number: 20190157567Abstract: The present disclosure relates to a novel compound having excellent hole injection capabilities and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescent device which includes the compound in one or more organic material layers thereof so as to improve characteristics such as light-emitting efficiency, driving voltage, and a service life.Type: ApplicationFiled: January 18, 2019Publication date: May 23, 2019Applicant: DOOSAN CORPORATIONInventors: Tae Hyung KIM, In Hyuk LEE, Yong Hwan LEE, Jin Yong SHIN, Ho Cheol PARK, Chang Jun LEE, Eun Jung LEE, Young Mi BEAK
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Patent number: 10297759Abstract: The present disclosure relates to a novel compound having excellent hole injection capabilities and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescent device which includes the compound in one or more organic material layers thereof so as to improve characteristics such as light-emitting efficiency, driving voltage, and a service life.Type: GrantFiled: August 13, 2013Date of Patent: May 21, 2019Assignee: DOOSAN CORPORATIONInventors: Tae Hyung Kim, In Hyuk Lee, Yong Hwan Lee, Jin Yong Shin, Ho Cheol Park, Chang Jun Lee, Eun Jung Lee, Young Mi Beak
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Publication number: 20190084815Abstract: A forklift according to an exemplary embodiment of the present invention is capable of measuring weight of a cargo that is to be transported by the forklift. The forklift according to the exemplary embodiment of the present invention measures weight of a cargo by a displacement according to compression by tensile force applied to the chain 50 in a portion, in which the chain 50 is installed in a top frame 14.Type: ApplicationFiled: December 8, 2015Publication date: March 21, 2019Applicant: DOOSAN CORPORATIONInventor: Ki Eop NA
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Patent number: 10236451Abstract: Disclosed is a novel benzimidazole compound having excellent hole injection and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescent device which comprises the benzimidazole compound in one or more organic material layers thereof so as to thereby achieve enhanced characteristics, such as light-emitting efficiency, driving voltage, and lifespan.Type: GrantFiled: March 6, 2013Date of Patent: March 19, 2019Assignee: DOOSAN CORPORATIONInventors: Hyung Chan Bae, Young Mi Beak, Tae Hyung Kim, Ho Cheol Park, Chang Jun Lee, Jin Young Shin
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Patent number: 10230053Abstract: An organic light-emitting device includes: a first electrode; a second electrode opposite the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, the electron transport region including an electron control layer, wherein the hole transport region includes at least one compound selected from a first compound represented by Formula 1 and a second compound represented by Formula 2, and the electron control layer includes a third compound represented by Formula 3:Type: GrantFiled: January 29, 2016Date of Patent: March 12, 2019Assignees: Samsung Display Co., Ltd., Doosan CorporationInventors: Myeong-Suk Kim, Sung-Wook Kim, Hwan-Hee Cho, Sang-Woo Lee, Chang-Woong Chu, Tae-Hyung Kim, Ho-Cheol Park, Chang-Jun Lee, Young-Bae Kim, Hoe-Moon Kim