Patents by Inventor Koki KASHIWA
Koki KASHIWA 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: 20240084760Abstract: An engine device including a cylinder block having one side portion to which a flywheel that is rotated integrally with a crankshaft is disposed. The engine device is provided with a starter that transmits a rotational force to the flywheel at a time of engine start. A flywheel housing, which accommodates the flywheel and includes a starter attachment pedestal for attaching the starter, is attached to the one side portion of the cylinder block. The starter is disposed inner side of the engine than a portion of the flywheel housing, the portion being located outermost in the engine with respect to a direction that is perpendicular to a direction along a crankshaft center and that is parallel to the cylinder head joining surface of the cylinder block.Type: ApplicationFiled: November 22, 2023Publication date: March 14, 2024Applicant: Yanmar Power Technology Co., Ltd.Inventors: Koki Kashiwa, Hiroaki Naganawa
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Patent number: 11859577Abstract: An engine device including a cylinder block having one side portion to which a flywheel that is rotated integrally with a crankshaft is disposed. The engine device is provided with a starter that transmits a rotational force to the flywheel at a time of engine start. A flywheel housing, which accommodates the flywheel and includes a starter attachment pedestal for attaching the starter, is attached to the one side portion of the cylinder block. The starter is disposed inner side of the engine than a portion of the flywheel housing, the portion being located outermost in the engine with respect to a direction that is perpendicular to a direction along a crankshaft center and that is parallel to the cylinder head joining surface of the cylinder block.Type: GrantFiled: August 18, 2021Date of Patent: January 2, 2024Assignee: Yanmar Power Technology Co., Ltd.Inventors: Koki Kashiwa, Hiroaki Naganawa
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Patent number: 11603904Abstract: An engine device having a flywheel housing in which a flywheel that is rotated integrally with a crankshaft is accommodated on one side portion of a cylinder block, in which the cylinder block is integrally formed with housing bracket portions each protruding in a direction away from the crankshaft from each of opposite side portions of the cylinder block extending along a crankshaft axial direction, the housing bracket portions protruding from end portions of the opposite side portions close to the one side portion, and a space surrounded by the one side portion, the housing bracket portions, and the flywheel housing constitutes a gear case for accommodating therein a gear train.Type: GrantFiled: December 9, 2020Date of Patent: March 14, 2023Assignee: Yanmar Power Technology Co., Ltd.Inventor: Koki Kashiwa
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Publication number: 20210381466Abstract: An engine device including a cylinder block having one side portion to which a flywheel that is rotated integrally with a crankshaft is disposed. The engine device is provided with a starter that transmits a rotational force to the flywheel at a time of engine start. A flywheel housing, which accommodates the flywheel and includes a starter attachment pedestal for attaching the starter, is attached to the one side portion of the cylinder block. The starter is disposed inner side of the engine than a portion of the flywheel housing, the portion being located outermost in the engine with respect to a direction that is perpendicular to a direction along a crankshaft center and that is parallel to the cylinder head joining surface of the cylinder block.Type: ApplicationFiled: August 18, 2021Publication date: December 9, 2021Applicant: Yanmar Power Technology Co., Ltd.Inventors: Koki Kashiwa, Hiroaki Naganawa
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Patent number: 11125182Abstract: An engine device including a cylinder block having one side portion to which a flywheel that is rotated integrally with a crankshaft is disposed. The engine device is provided with a starter that transmits a rotational force to the flywheel at a time of engine start. A flywheel housing, which accommodates the flywheel and includes a starter attachment pedestal for attaching the starter, is attached to the one side portion of the cylinder block. The starter is disposed inner side of the engine than a portion of the flywheel housing, the portion being located outermost in the engine with respect to a direction that is perpendicular to a direction along a crankshaft center and that is parallel to the cylinder head joining surface of the cylinder block.Type: GrantFiled: March 4, 2020Date of Patent: September 21, 2021Assignee: YANMAR POWER TECHNOLOGY CO., LTD.Inventors: Koki Kashiwa, Hiroaki Naganawa
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Publication number: 20210164538Abstract: An engine device having a flywheel housing in which a flywheel that is rotated integrally with a crankshaft is accommodated on one side portion of a cylinder block, in which the cylinder block is integrally formed with housing bracket portions each protruding in a direction away from the crankshaft from each of opposite side portions of the cylinder block extending along a crankshaft axial direction, the housing bracket portions protruding from end portions of the opposite side portions close to the one side portion, and a space surrounded by the one side portion, the housing bracket portions, and the flywheel housing constitutes a gear case for accommodating therein a gear train.Type: ApplicationFiled: December 9, 2020Publication date: June 3, 2021Applicant: Yanmar Power Technology Co., Ltd.Inventor: Koki Kashiwa
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Patent number: 10890231Abstract: An engine device having a flywheel housing (7) in which a flywheel that is rotated integrally with a crankshaft (5) is accommodated on one side portion (303) of a cylinder block (6), in which the cylinder block (6) is integrally formed with housing bracket portions (304) each protruding in a direction away from the crankshaft (5) from each of opposite side portions (301) of the cylinder block (6) extending along a crankshaft axial direction (300), the housing bracket portions (304) protruding from end portions of the opposite side portions (301) close to the one side portion (303) A space surrounded by the one side portion (303), the housing bracket portions (304), and the flywheel housing (7) constitutes a gear case (330) for accommodating therein a gear train.Type: GrantFiled: March 13, 2017Date of Patent: January 12, 2021Assignee: YANMAR POWER TECHNOLOGY CO., LTD.Inventor: Koki Kashiwa
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Publication number: 20200300334Abstract: An engine device having a flywheel housing (7) in which a flywheel that is rotated integrally with a crankshaft (5) is accommodated on one side portion (303) of a cylinder block (6), in which the cylinder block (6) is integrally formed with housing bracket portions (304) each protruding in a direction away from the crankshaft (5) from each of opposite side portions (301) of the cylinder block (6) extending along a crankshaft axial direction (300), the housing bracket portions (304) protruding from end portions of the opposite side portions (301) close to the one side portion (303). A space surrounded by the one side portion (301), the housing bracket portions (304), and the flywheel housing (7) constitutes a gear case (330) for accommodating therein a gear train.Type: ApplicationFiled: March 13, 2017Publication date: September 24, 2020Applicant: Yanmar Co., Ltd.Inventor: Koki KASHIWA
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Publication number: 20200200122Abstract: An engine device including a cylinder block having one side portion to which a flywheel that is rotated integrally with a crankshaft is disposed. The engine device is provided with a starter that transmits a rotational force to the flywheel at a time of engine start. A flywheel housing, which accommodates the flywheel and includes a starter attachment pedestal for attaching the starter, is attached to the one side portion of the cylinder block. The starter is disposed inner side of the engine than a portion of the flywheel housing, the portion being located outermost in the engine with respect to a direction that is perpendicular to a direction along a crankshaft center and that is parallel to the cylinder head joining surface of the cylinder block.Type: ApplicationFiled: March 4, 2020Publication date: June 25, 2020Inventors: Koki KASHIWA, Hiroaki NAGANAWA
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Patent number: 10598124Abstract: An engine device including, a cylinder block having one side portion to which a flywheel that is rotated integrally with a crankshaft is disposed. The engine device is provided with a starter that transmits a rotational force to the flywheel at a time of engine start. A flywheel housing, which accommodates the flywheel and includes a starter attachment pedestal for attaching the starter, is attached to the one side portion of the cylinder block. The starter is disposed inner side of the engine than a portion of the flywheel housing , the portion being located outermost in the engine with respect to a direction that is perpendicular to a direction along a crankshaft center and that is parallel to the cylinder head joining surface of the cylinder block.Type: GrantFiled: March 29, 2017Date of Patent: March 24, 2020Assignee: YANMAR CO., LTD.Inventors: Koki Kashiwa, Hiroaki Naganawa
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Publication number: 20190085788Abstract: An engine device including, a cylinder block (6) having one side portion to which a flywheel that is rotated integrally with a crankshaft (5) is disposed. The engine device is provided with a starter (20) that transmits a rotational force to the flywheel at a time of engine start. A flywheel housing (7), which accommodates the flywheel and includes a starter attachment pedestal for attaching the starter (20), is attached to the one side portion of the cylinder block (6). The starter (20) is disposed inner side of the engine than a portion of the flywheel housing (7), the portion being located outermost in the engine with respect to a direction that is perpendicular to a direction along a crankshaft center (300) and that is parallel to the cylinder head joining surface (341) of the cylinder block (6).Type: ApplicationFiled: March 29, 2017Publication date: March 21, 2019Applicant: Yanmar Co., Ltd.Inventors: Koki KASHIWA, Hiroaki NAGANAWA