Patents by Inventor Shuntaro Adachi
Shuntaro Adachi 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: 11754184Abstract: There is provided a cryocooler including a displacer, a displacer drive mechanism, a connecting rod that connects the displacer drive mechanism to the displacer, and a sealing component that supports the connecting rod to allow axial reciprocation thereof. The sealing component includes a bush through which the connecting rod is inserted and defining a radial clearance functioning as a non-contact seal between the connecting rod and the bush, a first contact seal held by the bush on a first side thereof toward the displacer drive mechanism with respect to the radial clearance, and sealing the radial clearance, and a second contact seal held by the bush on a second side thereof toward the displacer with respect to the radial clearance, and sealing the radial clearance.Type: GrantFiled: February 10, 2021Date of Patent: September 12, 2023Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.Inventor: Shuntaro Adachi
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Patent number: 11278994Abstract: Provided is a method of disassembling a cold head provided with a displacer that extends in an axial direction, a cylinder that accommodates the displacer, and a displacer drive unit that is fastened to the cylinder and is connected to the displacer such that the displacer is driven in the axial direction, the method including mounting a lifting-up jig onto the displacer drive unit, unfastening the displacer drive unit and the cylinder from each other, and operating the lifting-up jig such that the displacer drive unit is lifted up from the cylinder together with the displacer.Type: GrantFiled: February 18, 2020Date of Patent: March 22, 2022Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.Inventors: Tatsuki Nishio, Shuntaro Adachi
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Patent number: 11262119Abstract: There is provided a mounting structure for mounting a cryocooler cold head on a vacuum vessel. The cold head includes a cold head-side cooling stage and a cold head-side flange. The mounting structure includes a cold head accommodation sleeve installed in the vacuum vessel and including a sleeve-side cooling stage which comes into thermal contact with the cold head-side cooling stage by coming into physical contact with the cold head-side cooling stage, and a sleeve-side flange to be coupled to the cold head-side flange, an inter-flange distance adjustment mechanism configured to adjust a distance between the sleeve-side flange and the cold head-side flange so that the cold head-side cooling stage and the sleeve-side cooling stage are physically brought into contact with each other or brought into a contactless state therebetween, and a flange fastening mechanism configured to fasten the cold head-side flange to the sleeve-side flange.Type: GrantFiled: April 10, 2020Date of Patent: March 1, 2022Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.Inventor: Shuntaro Adachi
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Publication number: 20210254718Abstract: There is provided a cryocooler including a displacer, a displacer drive mechanism, a connecting rod that connects the displacer drive mechanism to the displacer, and a sealing component that supports the connecting rod to allow axial reciprocation thereof. The sealing component includes a bush through which the connecting rod is inserted and defining a radial clearance functioning as a non-contact seal between the connecting rod and the bush, a first contact seal held by the bush on a first side thereof toward the displacer drive mechanism with respect to the radial clearance, and sealing the radial clearance, and a second contact seal held by the bush on a second side thereof toward the displacer with respect to the radial clearance, and sealing the radial clearance.Type: ApplicationFiled: February 10, 2021Publication date: August 19, 2021Inventor: Shuntaro Adachi
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Publication number: 20200262013Abstract: Provided is a method of disassembling a cold head provided with a displacer that extends in an axial direction, a cylinder that accommodates the displacer, and a displacer drive unit that is fastened to the cylinder and is connected to the displacer such that the displacer is driven in the axial direction, the method including mounting a lifting-up jig onto the displacer drive unit, unfastening the displacer drive unit and the cylinder from each other, and operating the lifting-up jig such that the displacer drive unit is lifted up from the cylinder together with the displacer.Type: ApplicationFiled: February 18, 2020Publication date: August 20, 2020Applicant: SUMITOMO HEAVY INDUSTRIES, LTD.Inventors: Tatsuki NISHIO, Shuntaro ADACHI
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Publication number: 20200240702Abstract: There is provided a mounting structure for mounting a cryocooler cold head on a vacuum vessel. The cold head includes a cold head-side cooling stage and a cold head-side flange. The mounting structure includes a cold head accommodation sleeve installed in the vacuum vessel and including a sleeve-side cooling stage which comes into thermal contact with the cold head-side cooling stage by coming into physical contact with the cold head-side cooling stage, and a sleeve-side flange to be coupled to the cold head-side flange, an inter-flange distance adjustment mechanism configured to adjust a distance between the sleeve-side flange and the cold head-side flange so that the cold head-side cooling stage and the sleeve-side cooling stage are physically brought into contact with each other or brought into a contactless state therebetween, and a flange fastening mechanism configured to fasten the cold head-side flange to the sleeve-side flange.Type: ApplicationFiled: April 10, 2020Publication date: July 30, 2020Applicant: SUMITOMO HEAVY INDUSTRIES, LTD.Inventor: Shuntaro ADACHI
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Patent number: 9945098Abstract: An upper turning body is mounted on a lower travelling body to be capable of turning. An attachment is arranged in the upper turning body. A power storage device is arranged in the upper turning body together with the attachment. A discharge current from the power storage device drives electric parts. The power storage device has a housing in which a first flow path for coolant's flow is formed. A power storage module is arranged inside the housing. The power storage module includes stacked power storage cells, and the power storage cells are thermally coupled to the first flow path. The housing includes a lower housing and an upper housing. The first flow path is formed in one of a bottom panel of the lower housing and an upper panel of the upper housing.Type: GrantFiled: April 24, 2014Date of Patent: April 17, 2018Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.Inventors: Shuntaro Adachi, Terunobu Nakajyo, Kazuya Yokoyama
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Patent number: 9725009Abstract: An electric motor is mounted on a body. The electric motor is driven by an electric driving unit. The electric driving unit is supported to the body by a vibration-proofing member. A natural frequency of a spring-mass system including the vibration-proofing member and the electric driving unit is higher than a frequency of a main component in vibration generated in the body during an operation.Type: GrantFiled: February 23, 2015Date of Patent: August 8, 2017Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.Inventor: Shuntaro Adachi
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Patent number: 9359742Abstract: A shovel including a power storage device; and an electrically driven part driven by discharge electric power from the power storage device. The power storage device includes a lower housing having a bottom panel and side panels; at least two power storage modules arranged at a distance from each other in a first direction on the bottom panel and configured to charge and discharge electrical energy; a first rib formed on the bottom panel of the lower housing, arranged between the two power storage modules, and configured to extend in a second direction intersecting in the first direction; and a second rib formed on the bottom panel of the lower housing, configured to extend in the first direction, and formed continuously with the first rib.Type: GrantFiled: August 19, 2014Date of Patent: June 7, 2016Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.Inventor: Shuntaro Adachi
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Patent number: 9344016Abstract: A storage module voltage equalizer includes a plurality of voltage equalization circuits that are prepared to correspond to a plurality of storage cells which are arranged to be lined up in a first direction, and equalize an inter-terminal voltage of the plurality of storage cells, and a plurality of mounting substrates that are stacked, in which the plurality of voltage equalization circuits are mounted, in a distributed manner, on the plurality of mounting substrates.Type: GrantFiled: May 20, 2014Date of Patent: May 17, 2016Assignees: Sumitomo Heavy Industries, Ltd., Sumitomo (S.H.I.) Construction Machinery Co., Ltd.Inventors: Shuntaro Adachi, Jitsutaka Takeo, Takashi Umeda
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Publication number: 20150245527Abstract: An electric motor is mounted on a body. The electric motor is driven by an electric driving unit. The electric driving unit is supported to the body by a vibration-proofing member. A natural frequency of a spring-mass system including the vibration-proofing member and the electric driving unit is higher than a frequency of a main component in vibration generated in the body during an operation.Type: ApplicationFiled: February 23, 2015Publication date: August 27, 2015Inventor: Shuntaro ADACHI
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Publication number: 20140353057Abstract: A shovel including a power storage device; and an electrically driven part driven by discharge electric power from the power storage device. The power storage device includes a lower housing having a bottom panel and side panels; at least two power storage modules arranged at a distance from each other in a first direction on the bottom panel and configured to charge and discharge electrical energy; a first rib formed on the bottom panel of the lower housing, arranged between the two power storage modules, and configured to extend in a second direction intersecting in the first direction; and a second rib formed on the bottom panel of the lower housing, configured to extend in the first direction, and formed continuously with the first rib.Type: ApplicationFiled: August 19, 2014Publication date: December 4, 2014Inventor: Shuntaro ADACHI
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Publication number: 20140346981Abstract: A storage module voltage equalizer includes a plurality of voltage equalization circuits that are prepared to correspond to a plurality of storage cells which are arranged to be lined up in a first direction, and equalize an inter-terminal voltage of the plurality of storage cells, and a plurality of mounting substrates that are stacked, in which the plurality of voltage equalization circuits are mounted, in a distributed manner, on the plurality of mounting substrates.Type: ApplicationFiled: May 20, 2014Publication date: November 27, 2014Applicants: Sumitomo Heavy Industries, Ltd., Sumitomo (S.H.I.) Construction Machinery Co., Ltd.Inventors: Shuntaro ADACHI, Jitsutaka TAKEO, Takashi UMEDA
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Publication number: 20140234062Abstract: An upper turning body is mounted on a lower travelling body to be capable of turning. An attachment is arranged in the upper turning body. A power storage device is arranged in the upper turning body together with the attachment. A discharge current from the power storage device drives electric parts. The power storage device has a housing in which a first flow path for coolant's flow is formed. A power storage module is arranged inside the housing. The power storage module includes stacked power storage cells, and the power storage cells are thermally coupled to the first flow path. The housing includes a lower housing and an upper housing. The first flow path is formed in one of a bottom panel of the lower housing and an upper panel of the upper housing.Type: ApplicationFiled: April 24, 2014Publication date: August 21, 2014Applicant: SUMITOMO HEAVY INDUSTRIES, LTD.Inventors: Shuntaro ADACHI, Terunobu NAKAJYO, Kazuya YOKOYAMA
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Publication number: 20130157089Abstract: An upper rotating body is rotatably mounted on a lower running body. A power storage module is mounted on the upper rotating body. The power storage module includes a plurality of power storage cells. Each of the plurality of power storage cells accumulates electric energy. A heat absorbing plate is disposed between the power storage cells. The heat absorbing plate is thermally coupled to the power storage cells, and a flow channel circulating cooling medium is formed in the inner portion of the heat absorbing plate. A cooling medium supply device makes the cooling medium flow into the flow channel formed in the inner portion of the heat absorbing plate.Type: ApplicationFiled: August 26, 2011Publication date: June 20, 2013Applicant: SUMITOMO HEAVY INDUSTRIES, LTD.Inventors: Tsutomu Miyatake, Shuntaro Adachi