Patents by Inventor So TAMURA
So TAMURA 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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Patent number: 11820408Abstract: The bogie includes: running wheels to be rolled on a road surface of guideway; an axle which is installed on a lower part of a body of a guideway vehicle and to which the running wheels are attached; a chassis supporting the axle; a guide device which is configured to be guided by the guideway and is installed on the chassis so as to be capable of turning around a turning axis extending in a vertical direction; a steering device which is configured to steer the running wheels in response to a turning movement of the guide device when the guide device is turned along a curved section of the guideway; and a tilting device which is connected to the guide device and which is configured to generate a tilting force of directing one side of the body located at an outside of the curved section upward with respect to the other side of the body located at an inside of the curved section in response to the turning movement of the guide device.Type: GrantFiled: June 14, 2018Date of Patent: November 21, 2023Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventors: Kousuke Katahira, So Tamura
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Publication number: 20230347944Abstract: A vehicle vibration control system includes: a buffer mechanism that is disposed between a wheel and a vehicle body and capable of adjusting buffer performance as a function of reducing vibration input to the vehicle body from the wheel; a weight detection unit that detects the weight of the vehicle body; a traveling position detection unit that detects the traveling position of the vehicle body; and a control device that controls the buffer performance of the buffer mechanism. The control device acquires a driving pattern in which the traveling position of the vehicle body and the buffer performance were set, on the basis of the weight of the vehicle body, and controls the buffer performance of the buffer mechanism on the basis of the acquired driving pattern and a result detected in the traveling position detection unit.Type: ApplicationFiled: February 12, 2021Publication date: November 2, 2023Inventors: Akihisa KAWAUCHI, Koji UCHIDA, Hiroyuki KONO, So TAMURA
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Publication number: 20230150554Abstract: This bogie and vehicle is provided with: a bogie body; a pair of travel wheels disposed on both sides of the bogie body in a direction intersecting with the traveling direction and capable of rolling motion on the traveling road surface of a track; a guide device guided along a guide rail and rotatably supported to the bogie body about the axial line along a vertical direction; and a pair of motors disposed between the pair of travel wheels of the bogie body and transferring a drive force to the pair of travel wheels.Type: ApplicationFiled: April 13, 2021Publication date: May 18, 2023Inventors: Koji UCHIDA, Hiroyuki KONO, Masaya MITAKE, So TAMURA
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Patent number: 11591007Abstract: A guide wheel shock absorbing device includes an attachment arm, a shock absorbing link provided on the attachment arm and extending in one direction, a shock absorbing link support portion provided on the shock absorbing link and supporting the shock absorbing link in a state of being oscillatable with respect to the attachment arm, a guide wheel coming into contact with a guide rail laid on a traveling track of a vehicle, a guide wheel support portion provided on the shock absorbing link and supporting the guide wheel in a rotatable state, and a shock absorbing elastic portion elastically supporting the shock absorbing link with respect to the attachment arm. The shock absorbing elastic portion has first and second elastic bodies different in displacement with respect to a guide wheel load.Type: GrantFiled: June 7, 2018Date of Patent: February 28, 2023Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventors: Kousuke Katahira, So Tamura
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Patent number: 11465507Abstract: This abnormality monitoring device is equipped with: an acceleration data acquisition unit for acquiring measurement data about the acceleration of a vehicle chassis; an abnormality presence determination unit for determining whether an abnormality is present on the basis of a comparison between the acceleration and a threshold; a frequency analysis unit for analyzing the acceleration frequency when the abnormality presence determination unit determines that an abnormality is present, and an abnormality type identification unit for identifying abnormality type on the basis of the frequency pattern.Type: GrantFiled: February 16, 2018Date of Patent: October 11, 2022Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventors: Akihisa Kawauchi, Hiroyuki Kono, Koji Uchida, Katsuya Kuroki, So Tamura
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Publication number: 20210107534Abstract: The bogie includes: running wheels to be rolled on a road surface of guideway; an axle which is installed on a lower part of a body of a guideway vehicle and to which the running wheels are attached; a chassis supporting the axle; a guide device which is configured to be guided by the guideway and is installed on the chassis so as to be capable of turning around a turning axis extending in a vertical direction; a steering device which is configured to steer the running wheels in response to a turning movement of the guide device when the guide device is turned along a curved section of the guideway; and a tilting device which is connected to the guide device and which is configured to generate a tilting force of directing one side of the body located at an outside of the curved section upward with respect to the other side of the body located at an inside of the curved section in response to the turning movement of the guide device.Type: ApplicationFiled: June 14, 2018Publication date: April 15, 2021Inventors: Kousuke KATAHIRA, So TAMURA
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Publication number: 20200339181Abstract: A guide wheel shock absorbing device includes an attachment arm, a shock absorbing link provided on the attachment arm and extending in one direction, a shock absorbing link support portion provided on the shock absorbing link and supporting the shock absorbing link in a state of being oscillatable with respect to the attachment arm, a guide wheel coming into contact with a guide rail laid on a traveling track of a vehicle, a guide wheel support portion provided on the shock absorbing link and supporting the guide wheel in a rotatable state, and a shock absorbing elastic portion elastically supporting the shock absorbing link with respect to the attachment arm. The shock absorbing elastic portion has first and second elastic bodies different in displacement with respect to a guide wheel load.Type: ApplicationFiled: June 7, 2018Publication date: October 29, 2020Inventors: Kousuke KATAHIRA, So TAMURA
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Publication number: 20200148237Abstract: This abnormality monitoring device is equipped with: an acceleration data acquisition unit for acquiring measurement data about the acceleration of a vehicle chassis; an abnormality presence determination unit for determining whether an abnormality is present on the basis of a comparison between the acceleration and a threshold; a frequency analysis unit for analyzing the acceleration frequency when the abnormality presence determination unit determines that an abnormality is present, and an abnormality type identification unit for identifying abnormality type on the basis of the frequency pattern.Type: ApplicationFiled: February 16, 2018Publication date: May 14, 2020Inventors: Akihisa KAWAUCHI, Hiroyuki KONO, Koji UCHIDA, Katsuya KUROKI, So TAMURA
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Patent number: 10144438Abstract: A traveling bogie includes a steerable wheel, a bogie main body configured to support the steerable wheel, a guide apparatus pivotally supported by the bogie main body and turned by receiving a reaction force from a guide rail, a steering mechanism configured to apply a steering force to the steerable wheel using the reaction force received by the guide apparatus, and an assist mechanism configured to apply an auxiliary steering force for assisting with the steering force from the steering mechanism to the steerable wheel.Type: GrantFiled: October 22, 2014Date of Patent: December 4, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventors: Yukihide Yanobu, Hiroyuki Kono, Akihisa Kawauchi, Kousuke Katahira, So Tamura
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Patent number: 10131367Abstract: This invention is equipped with: a steering shaft provided to an underframe of a carbody of a vehicle travelling on a traveling road surface of tracks; king pins provided as a pair to end sections of the steering shaft at both sides in the width direction; axle hubs swingably provided to the steering shaft via the king pins; tires mounted plurally to each of the axle hubs; guide wheels, which roll over guide rails provided to the tracks in the direction of extension of the tracks, and which are guided from the width direction of the tracks; a guide device part for supporting the guide wheels and the steering shaft; and a steering mechanism for causing the axle hubs to turn about the king pins in accordance with the displacement of the guide device part.Type: GrantFiled: September 30, 2014Date of Patent: November 20, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventors: Kousuke Katahira, So Tamura, Mitsuaki Hoshi, Masahisa Masukawa
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Patent number: 10065663Abstract: A steering bogie provided with a pair of tires (13) positioned on both sides in the vehicle-widthwise direction, a primary suspension mechanism (51) for supporting the pair of tires (13) independent from a subframe (11), and a steering guide device (14) which is guided along guide rails (6) extending along a track (5), wherein the steering guide device (14) is equipped with: a guide frame (31); guide wheels (33) which roll as a result of contact with the guide rails (6), and are rotatably supported by the guide frame (31); and a guide frame support mechanism (32) for supporting the guide frame (31) by hanging from the primary suspension mechanism (51).Type: GrantFiled: September 4, 2014Date of Patent: September 4, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventors: Kousuke Katahira, So Tamura, Mitsuaki Hoshi
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Patent number: 10046777Abstract: A vehicular suspension device has: a pair of primary support parts for respectively and elastically supporting elastic tires on a sub frame, the tires being located on both vehicle-widthwise sides; and a secondary support part for integrally and elastically supporting the pair of primary support parts and a car body via the sub frame, the secondary support part being located between the sub frame and the car body.Type: GrantFiled: July 11, 2014Date of Patent: August 14, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Kousuke Katahira, So Tamura, Mitsuaki Hoshi
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Patent number: 10000190Abstract: A cooling device provided with cooling fins which: is provided in a wheel of a running wheel which integrally rotates with a axle shaft and has a brake device positioned in the interior thereof; and produces, by rotating in both the forward and reverse directions of the wheel, airflow which flows through the brake device via ventilation holes passing from the inside to the outside of the wheel. Therein, the cooling fins produce an airflow which flows through a plurality of decorative holes serving as the ventilation holes and formed in the wheel along the circumference centered around the rotational axis of the axle shaft.Type: GrantFiled: July 23, 2014Date of Patent: June 19, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Kousuke Katahira, So Tamura, Mitsuaki Hoshi
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Patent number: 9981509Abstract: A guide wheel (33) for guiding a vehicle along a track is equipped with an annular tread section (61) that comes into contact with a guide rail extending along the track and a pair of sidewall sections (62) that are formed continuing from both edges of the tread section (61) in the axial direction and extend inward in the radial direction, said guide wheel (33) being characterized in that protrusions (63a, 63b) are formed over the entire circumference of each of the sidewall sections (62).Type: GrantFiled: July 17, 2014Date of Patent: May 29, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Kousuke Katahira, So Tamura, Mitsuaki Hoshi
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Patent number: 9919720Abstract: This traveling bogie is provided with: steered wheels; a main body for supporting the steered wheels; a guide device turning when subjected to a reaction force from a guide rail; a steering mechanism for applying a steering force to the steered wheels utilizing the reaction force applied to the guide device; and an assist mechanism for applying an assist steering force to the steered wheels, the assist steering force assisting the steering force applied by the steering mechanism. The assist mechanism is provided with: a first operation arm pivoting together with the steered wheels in the direction in which the steered wheels are steered; a second operation arm rotating about a rotation axis relative to the main body in response to the turning of the guide device; and an elastically deformable section connected to the first operation arm and the second operation arm and elastically deformable.Type: GrantFiled: October 20, 2014Date of Patent: March 20, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Yukihide Yanobu, Hiroyuki Kono, Akihisa Kawauchi, Kousuke Katahira, So Tamura
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Patent number: 9777450Abstract: A snow removal device includes: a brush rotary shaft that is mounted on a vehicle body traveling along a track and in front of a running wheel of the vehicle body and that is rotated in a direction opposite to the rotation direction of the running wheel; a travel brush part that protrudes radially outward from an outer circumferential surface of the brush rotary shaft and comes into contact with a runway of the track with which the running wheel is in contact; and a brush pressing part that presses the travel brush part toward the runway. The travel brush part is provided in a spiral region formed on the outer circumferential surface of the brush rotary shaft in a spiral manner extending toward an axis direction in which the axis extends as going toward a circumferential direction of the brush rotary shaft.Type: GrantFiled: August 28, 2015Date of Patent: October 3, 2017Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Kousuke Katahira, So Tamura
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Patent number: 9732490Abstract: A snow removal brush includes a brush rotary shaft that is disposed on each of opposite lateral surfaces of a vehicle body traveling along a track and in a vehicle width direction of the vehicle body and is supported by the vehicle body to be rotatable about an axis extending in a direction intersecting a track surface of the track, and a brush part that protrudes from an outer circumferential surface of the brush rotary shaft to a radial outer side. The brush part is formed to come into contact with trolley wires provided for the track and supplying electricity to the vehicle body.Type: GrantFiled: August 18, 2015Date of Patent: August 15, 2017Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Kousuke Katahira, So Tamura
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Publication number: 20170158210Abstract: A vehicular suspension device has: a pair of primary support parts for respectively and elastically supporting elastic tires on a sub frame, the tires being located on both vehicle-widthwise sides; and a secondary support part for integrally and elastically supporting the pair of primary support parts and a car body via the sub frame, the secondary support part being located between the sub frame and the car body.Type: ApplicationFiled: July 11, 2014Publication date: June 8, 2017Inventors: Kousuke KATAHIRA, So TAMURA, Mitsuaki HOSHI
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Patent number: 9643622Abstract: This track-guided vehicle is provided with a car body, and a bogie that supports the car body from the bottom, and has a frame capable of pivoting around an axis perpendicular to a track. The bogie is provided with: a car body tilting part that tilts the car body to the left and right in the direction of travel; a detection part that detects the amount of pivot of the frame; and a tilt control part that allows the car body to be tilted by the car body tilting part on the basis of the amount of pivot detected by the detection part.Type: GrantFiled: February 21, 2013Date of Patent: May 9, 2017Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Hiroyuki Maeyama, So Tamura, Kousuke Katahira
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Publication number: 20160355059Abstract: A guide wheel (33) for guiding a vehicle along a track is equipped with an annular tread section (61) that comes into contact with a guide rail extending along the track and a pair of sidewall sections (62) that are formed continuing from both edges of the tread section (61) in the axial direction and extend inward in the radial direction, said guide wheel (33) being characterized in that protrusions (63a, 63b) are formed over the entire circumference of each of the sidewall sections (62).Type: ApplicationFiled: July 17, 2014Publication date: December 8, 2016Inventors: Kousuke KATAHIRA, So TAMURA, Mitsuaki HOSHI