Patents by Inventor Takayuki Onodera
Takayuki Onodera has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250027565Abstract: A sealing device is provided to achieve sealing between an outer-periphery-side member and an inner-periphery-side member that are able to relatively rotate, and includes: an outer seal member to be attached to the outer-periphery-side member; and an inner seal member to be attached to the inner-periphery-side member. The outer seal member includes an annular member that includes an inner tubular portion extending along an axis direction and a seal lip portion that slide-contacts the inner seal member on a side closer to an internal space than the annular member. The inner seal member includes an inner contact portion that includes a plurality of protrusions and slide-contacts the inner tubular portion. A length of a region of the inner contact portion where the plurality of protrusions are formed is longer than a minimum interval between facing portions of the outer seal member and the inner seal member.Type: ApplicationFiled: November 24, 2022Publication date: January 23, 2025Inventors: Hiroshi ONODERA, Takayuki AIHARA
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Patent number: 11492955Abstract: An engine includes: a cylinder block in which a cooling water passage is formed; an oil cooler accommodated in an accommodation part provided in the cooling water passage and having a plurality of cores for cooling an engine oil; a first oil pipe and a second oil pipe configured to support an oil inflow port and an oil ejection port of each of the cores; a cooling water inflow port provided in a lower portion of one end portion of the accommodation part relative to a front-and-rear direction; a cooling water outflow port provided in an upper portion of the accommodation part; and a cooling water inflow passage having an inclined portion inclined downward and connecting to the cooling water inflow port.Type: GrantFiled: November 26, 2018Date of Patent: November 8, 2022Assignee: YANMAR POWER TECHNOLOGY CO., LTD.Inventors: Hiroaki Naganawa, Takayuki Onodera, Kazuma Sugimoto
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Publication number: 20210293176Abstract: An engine includes: a cylinder block in which a cooling water passage is formed; an oil cooler accommodated in an accommodation part provided in the cooling water passage and having a plurality of cores for cooling an engine oil; a first oil pipe and a second oil pipe configured to support an oil inflow port and an oil ejection port of each of the cores; a cooling water inflow port provided in a lower portion of one end portion of the accommodation part relative to a front-and-rear direction; a cooling water outflow port provided in an upper portion of the accommodation part; and a cooling water inflow passage having an inclined portion inclined downward and connecting to the cooling water inflow port.Type: ApplicationFiled: November 26, 2018Publication date: September 23, 2021Applicant: YANMAR POWER TECHNOLOGY CO., LTD.Inventors: Hiroaki Naganawa, Takayuki Onodera, Kazuma Sugimoto
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Publication number: 20210231045Abstract: An engine device including a cylinder head provided with a plurality of air-intake passages for taking fresh air into a plurality of air-intake ports and a plurality of exhaust gas passages for emitting exhaust gas from a plurality of exhaust gas ports. An air-intake manifold which aggregates the air-intake passages is formed integrally with one of left and right side portions of the cylinder head. An EGR cooler is coupled to a front surface of the cylinder head; and EGR gas passages and cooling water passages communicating with the EGR cooler are provided in a coupling portion of the cylinder head with the EGR cooler.Type: ApplicationFiled: April 12, 2021Publication date: July 29, 2021Applicant: Yanmar Power Technology Co., Ltd.Inventor: Takayuki Onodera
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Patent number: 11002174Abstract: An engine device including a cylinder head provided with a plurality of air-intake passages for taking fresh air into a plurality of air-intake ports and a plurality of exhaust gas passages for emitting exhaust gas from a plurality of exhaust gas ports. An air-intake manifold which aggregates the air-intake passages is formed integrally with one of left and right side portions of the cylinder head. An EGR cooler is coupled to a front surface of the cylinder head; and EGR gas passages and cooling water passages communicating with the EGR cooler are provided in a coupling portion of the cylinder head with the EGR cooler.Type: GrantFiled: November 9, 2017Date of Patent: May 11, 2021Assignee: YANMAR POWER TECHNOLOGY CO., LTD.Inventor: Takayuki Onodera
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Patent number: 10871131Abstract: An engine device including a cylinder head provided with a plurality of intake fluid passages for taking fresh air into a plurality of intake ports and a plurality of exhaust fluid passages for emitting an exhaust gas from a plurality of exhaust ports. An intake manifold which aggregates the plurality of intake fluid passages is formed integrally with one of left and right side portions of the cylinder head.Type: GrantFiled: March 13, 2017Date of Patent: December 22, 2020Assignee: YANMAR POWER TECHNOLOGY CO., LTD.Inventor: Takayuki Onodera
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Publication number: 20200003107Abstract: An engine device including a cylinder head provided with a plurality of air-intake passages for taking fresh air into a plurality of air-intake ports and a plurality of exhaust gas passages for emitting exhaust gas from a plurality of exhaust gas ports. An air-intake manifold which aggregates the air-intake passages is formed integrally with one of left and right side portions of the cylinder head. An EGR cooler is coupled to a front surface of the cylinder head; and EGR gas passages and cooling water passages communicating with the EGR cooler are provided in a coupling portion of the cylinder head with the EGR cooler.Type: ApplicationFiled: November 9, 2017Publication date: January 2, 2020Applicant: Yanmar Co., Ltd.Inventor: Takayuki ONODERA
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Publication number: 20190383245Abstract: An engine device 1 including: a cylinder head (2) provided with a plurality of intake fluid passages (36) for taking fresh air into a plurality of intake ports and a plurality of exhaust fluid passages (37) for emitting an exhaust gas from a plurality of exhaust ports. An intake manifold (3) which aggregates the plurality of intake fluid passages 36 is formed integrally with one of left and right side portions of the cylinder head (2).Type: ApplicationFiled: March 13, 2017Publication date: December 19, 2019Applicant: Yanmar Co., Ltd.Inventor: Takayuki ONODERA
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Patent number: 9322310Abstract: There is provided an engine device in which a gas purifying filter can be disposed, with high rigidity, in an engine as one of constituent parts of the engine, the need of countermeasures against exhaust gas for each of devices such as vehicles is eliminated, and general versatility of the engine can be enhanced. The engine device includes an engine having an exhaust manifold, and a gas purifying filter which purifies exhaust gas discharged from the engine, front and rear engine leg mounting portions provided on one side surface of the engine include front and rear filter supporting bodies which support the gas purifying filter, the gas purifying filter includes the front and rear filter supporting bodies, and the front and rear filter supporting bodies are connected to the front and rear engine leg mounting portions.Type: GrantFiled: September 7, 2009Date of Patent: April 26, 2016Assignee: YANMAR CO., LTD.Inventors: Masataka Mitsuda, Takayuki Onodera
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Patent number: 9255517Abstract: An engine device in which an exhaust gas purification device can be assembled adjacent to an engine with high rigidity, and the exhaust gas purification device can be compactly installed. The engine device includes an exhaust gas recirculation device and a common rail disposed on the side on which an intake manifold of the engine is disposed, the exhaust gas purification device disposed on the side on which an exhaust manifold of the engine is disposed, an oil pan disposed on the bottom of the engine, and a support body for linking the exhaust gas purification device to the oil pan, so that the exhaust gas purification device is supported by the oil pan via the support body.Type: GrantFiled: September 13, 2013Date of Patent: February 9, 2016Assignee: Yanmar Co., Ltd.Inventors: Shinji Nishimura, Satoshi Nakano, Takayuki Onodera
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Patent number: 9194277Abstract: An exhaust manifold maintains the EGR ratio constant irrespective of a change in shape of the exhaust manifold and includes exhaust gas inlet sections connected to the exhaust ports of respective cylinders of the engine; a main pipe section configured so that exhaust gas entering from the exhaust gas inlet sections is collected inside the main pipe section; an EGR gas taking-out section for extracting, as EGR gas, a part of the exhaust gas; and an exhaust gas discharge section for discharging the exhaust gas. The main pipe section has formed thereon a curved section provided between the exhaust gas inlet sections and curved in a shape protruding to the side opposite the exhaust gas inlet sections. The curved section has a recess which is formed by causing a portion of the outer peripheral surface of the curved section to be recessed toward the inside of the main pipe section.Type: GrantFiled: April 19, 2011Date of Patent: November 24, 2015Assignee: Yanmar Co., Ltd.Inventors: Hiroshi Omote, Takayuki Onodera
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Patent number: 9188089Abstract: Provided is an engine apparatus that ensures highly accurate adjustment of the exhaust gas pressure of an exhaust manifold while providing an exhaust gas throttle device with a support structure of increased rigidity. The engine apparatus includes: an engine including the exhaust manifold; and the exhaust gas throttle device to adjust an exhaust gas pressure of the exhaust manifold. An exhaust gas intake side of a throttle valve easing of the exhaust gas throttle device is fastened to an exhaust gas exit of the exhaust manifold. An exhaust pipe is coupled to the exhaust manifold through the throttle valve casing.Type: GrantFiled: December 26, 2012Date of Patent: November 17, 2015Assignee: Yanmar Co., Ltd.Inventors: Masataka Mitsuda, Kenta Saitou, Takayuki Onodera
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Patent number: 9168910Abstract: A control apparatus controls a vehicle provided with an internal combustion engine, an oil pump actuated by the engine for pressurizing operation oil, and a belt-type continuously variable transmission to which the pressurized operation oil is supplied. An automatic stop of the engine is performed when a predetermined condition is satisfied. A transmission ratio of the continuously variable transmission is detected, and a continuable time period of the automatic stop of the engine is set according to the detected transmission ratio upon automatically stopping the engine. The automatic stop is controlled to end when a continuation time period of the automatic stop of the engine expires. Good vehicle start performance can be obtained when restarting the engine after the automatic stop, regardless of the brake operation manner and the like upon stopping the vehicle.Type: GrantFiled: May 9, 2013Date of Patent: October 27, 2015Assignee: HONDA MOTOR CO., LTD.Inventors: Takayuki Onodera, Kohei Sakai
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Patent number: 9150211Abstract: A control apparatus for a vehicle provided with an internal combustion engine, an oil pump actuated by the engine for pressurizing operation oil, and a belt-type continuously variable transmission to which the operation oil pressurized by the oil pump is supplied, is provided. Transmission control of the continuously variable transmission is performed by controlling an operation oil pressure supplied to the continuously variable transmission. An idling stop for automatically stopping the engine is performed when a predetermined condition is satisfied. A transmission ratio change history of the continuously variable transmission after an ignition switch of the vehicle is turned on, is stored, and the predetermined condition is satisfied on condition that the transmission ratio change history includes a predetermined transmission ratio change history.Type: GrantFiled: February 10, 2014Date of Patent: October 6, 2015Assignee: HONDA MOTOR CO., LTD.Inventor: Takayuki Onodera
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Patent number: 9140154Abstract: Disclosed is an engine device in which a diesel particulate filter is disposed, with high rigidity, in an engine as one constituent part of the engine, the need for countermeasures against exhaust gas for each of the devices of a vehicle is eliminated, and general versatility of the engine can be enhanced. The engine device includes an engine having an exhaust manifold, and an exhaust gas purifying device which purifies exhaust gas discharged from the engine. A plurality of filter supporting bodies which support the exhaust gas purifying device 1 are provided in a cylinder head of the engine. The diesel particulate filter is connected to the exhaust manifold, and is also connected to the cylinder head by the plurality of filter supporting bodies.Type: GrantFiled: September 7, 2009Date of Patent: September 22, 2015Assignee: Yanmar Co., Ltd.Inventors: Masataka Mitsuda, Takayuki Onodera
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Publication number: 20150240698Abstract: An engine device in which an exhaust gas purification device can be assembled adjacent to an engine with high rigidity, and the exhaust gas purification device can be compactly installed. The engine device includes an exhaust gas recirculation device and a common rail disposed on the side on which an intake manifold of the engine is disposed, the exhaust gas purification device disposed on the side on which an exhaust manifold of the engine is disposed, an oil pan disposed on the bottom of the engine, and a support body for linking the exhaust gas purification device to the oil pan, so that the exhaust gas purification device is supported by the oil pan via the support body.Type: ApplicationFiled: September 13, 2013Publication date: August 27, 2015Inventors: Shinji Nishimura, Satoshi Nakano, Takayuki Onodera
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Publication number: 20150203090Abstract: A control apparatus for a vehicle provided with an internal combustion engine, an oil pump actuated by the engine for pressurizing operation oil, and a belt-type continuously variable transmission to which the operation oil pressurized by the oil pump is supplied, is provided. Transmission control of the continuously variable transmission is performed by controlling an operation oil pressure supplied to the continuously variable transmission. An idling stop for automatically stopping the engine is performed when a predetermined condition is satisfied. A transmission ratio change history of the continuously variable transmission after an ignition switch of the vehicle is turned on, is stored, and the predetermined condition is satisfied on condition that the transmission ratio change history includes a predetermined transmission ratio change history.Type: ApplicationFiled: February 10, 2014Publication date: July 23, 2015Applicant: HONDA MOTOR CO., LTD.Inventor: Takayuki Onodera
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Publication number: 20150119195Abstract: A control apparatus for a vehicle provided with an internal combustion engine, an oil pump actuated by said engine for pressurizing operation oil, and a belt-type continuously variable transmission to which the operation oil pressurized by said oil pump is supplied, is provided. A transmission control is performed by controlling an operation oil pressure supplied to said continuously variable transmission, and an automatic stop of said engine is performed when a predetermined condition is satisfied. A transmission ratio of said continuously variable transmission is detected, and a continuable time period of the automatic stop of said engine is set according to the detected transmission ratio upon automatically stopping said engine. The automatic stop of said engine is controlled to end when a continuation time period of the automatic stop of said engine reaches the continuable time period.Type: ApplicationFiled: May 9, 2013Publication date: April 30, 2015Applicant: HONDA MOTOR CO., LTD.Inventors: Takayuki Onodera, Kohei Sakai
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Patent number: 8938953Abstract: A method of purifying an exhaust gas, includes: disposing a NOx trapping catalyst in an exhaust pipe of an internal combustion engine, the NOx trapping catalyst including: a metal substrate including cells, a corner portion of each of cells having an acute angle; and a catalyst layer supported in the metal substrate and including a noble metal, a heat-resistant inorganic oxide and a NOx trapping material, the catalyst layer having pores formed by addition of a pore formation promoting material, and the NOx trapping catalyst: adsorbing NOx in the exhaust gas when an exhaust air-fuel ratio is in a lean state; and desorbing and reducing the adsorbed NOx when the exhaust air-fuel ratio is in a stoichiometric state or a rich state; and removing the NOx by the exhaust air-fuel ratio being shifted between the lean state and the rich state.Type: GrantFiled: October 28, 2009Date of Patent: January 27, 2015Assignees: Mitsubishi Jidosha Kogyo Kabushiki Kaisha, ICT Co., Ltd., Umicore Shokubai Japan Co., Ltd.Inventors: Kinichi Iwachido, Ken Tanabe, Takayuki Onodera, Masanori Ide, Hiroaki Ohhara, Mariko Ono, Akihisa Okumura, Masao Hori
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Publication number: 20140366516Abstract: Provided is an engine apparatus that ensures highly accurate adjustment of the exhaust gas pressure of an exhaust manifold while providing an exhaust gas throttle device with a support structure of increased rigidity. The engine apparatus includes: an engine including the exhaust manifold; and the exhaust gas throttle device to adjust an exhaust gas pressure of the exhaust manifold. An exhaust gas intake side of a throttle valve easing of the exhaust gas throttle device is fastened to an exhaust gas exit of the exhaust manifold. An exhaust pipe is coupled to the exhaust manifold through the throttle valve casing.Type: ApplicationFiled: December 26, 2012Publication date: December 18, 2014Inventors: Masataka Mitsuda, Kenta Saitou, Takayuki Onodera