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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 44. Отображено 44.
03-10-2019 дата публикации

SUPERCHARGER

Номер: WO2019187474A1
Автор: HAYASHI Katsunori, KOJIMA Hidenori, ITOU Koutarou, IWASA Yoshitaka, UEDA Takafumi, SEGAWA Kenichi
Принадлежит:

Provided is a supercharger comprising: a turbine housing for receiving a turbine blade wheel provided at one end of a rotation shaft; a bearing housing jointed with the turbine housing and provided with a bearing for supporting the rotation shaft; and a variable nozzle unit that is arranged between the turbine housing and the baring housing and comprises a nozzle ring arranged around a rotation axis line of the rotation shaft and a support ring that is arranged adjacently to the nozzle ring and has an outer circumferential portion being in contact at least with the turbine housing. At one or a plurality of positions in a circumferential direction of the support ring, one or a plurality of non-contact portion in which the outer circumferential portion of the support ring is not in contact with the turbine housing is formed.

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Номер записи: 1
08-10-2020 дата публикации

VARIABLE-CAPACITY SUPERCHARGER

Номер: WO2020202613A1
Автор: SEGAWA Kenichi, HANDA Kouichi, SAKISAKA Ryota
Принадлежит:

In the present invention a flow passage wall surface of a nozzle flow passage in a supercharger has: an inner circumferential wall surface on an inner circumferential side and having a first reference line as a starting position; an outer circumferential wall surface on an outer circumferential side and having a second reference line as a starting position; and an intermediate wall surface extending from the first reference line to the second reference line. The inner circumferential wall surface is a slanted surface, and the outer circumferential wall surface and intermediate wall surface are flat surfaces parallel to a plane orthogonal to the rotation axis. The first reference line is positioned on the outside of a line Q3 in the radial direction. The second reference line is positioned on the inside of a line Q2 in the radial direction, on the outside of a line Q5 in the radial direction, and on the inside of a line Q1 in the radial direction.

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Номер записи: 2
08-06-2017 дата публикации

ATTACHMENT MECHANISM AND SUPERCHARGER

Номер: WO2017094546A1
Автор: UNEURA Yutaka, BUNNO Kenji, DAITO Yuichi, KANEDA Shinichi, SEGAWA Kenichi, TEZUKA Atsushi
Принадлежит:

An attachment mechanism 20 is provided with the following: a compressor impeller 10 (impeller) that includes a body part 10a in which a through hole 10b through which a shaft 8 penetrates is formed, and a plurality of blades 10g provided on an outer circumferential surface 10c of the body part 10a, and the compressor impeller has formed therein a boss part 10h that projects more to one end 8a side of the shaft 8 than the plurality of blades 10g of the body part 10a; a small diameter section 8b, of the shaft 8, that is separated from and faces the inner circumferential surface of the through hole 10b in the radial direction of the shaft 8; a first large diameter section 8c, of the shaft 8, that is positioned more on the other end side of the shaft than the small diameter part 8b, and that has a larger outer diameter than the small diameter part 8b; and one or both of a second large diameter part 8d, of the shaft 8, that is positioned more on the one end 8a side than the small diameter part ...

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Номер записи: 3
15-12-2016 дата публикации

VARIABLE GEOMETRY TURBOCHARGER

Номер: WO2016199600A1
Автор: ASAKAWA Takao, SEGAWA Kenichi, KOBAYASHI Takahiro, SAKISAKA Ryota, TAKEUCHI Kazuko, BUNNO Kenji
Принадлежит:

A variable geometry turbocharger according to the present invention is provided with a turbine having a variable nozzle unit, and a compressor. The variable nozzle unit has: a unit main body part that is fixed to a turbine housing and rotatably supports a plurality of nozzle vanes; a drive ring that transmits drive power to the plurality of nozzle vanes; and a drive ring support member that is fixed to the unit main body part and that rotatably supports the drive ring. The drive ring support member is formed by one member and has: a base end side part that regulates movement of the drive ring in the radial direction; a tip end side part that regulates movement of same to the compressor side; and a turbine side receiving part that regulates movement of same to the turbine side in the direction of the axis of rotation.

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Номер записи: 4
08-09-2017 дата публикации

NOZZLE DRIVE MECHANISM, SUPERCHARGER, AND VARIABLE-CAPACITY SUPERCHARGER

Номер: WO2017150450A1
Автор: ASAKAWA Takao, SEGAWA Kenichi, KOBAYASHI Takahiro, SAKISAKA Ryota, TAKEUCHI Kazuko, BUNNO Kenji
Принадлежит:

This nozzle drive mechanism is provided with: a plurality of link plates 30 respectively secured to shaft parts 26a of a plurality of nozzle vanes 26; nozzle rings 23 which have annular main body parts 23b provided with shaft holes for axially supporting the shaft parts 26a of the nozzle vanes 26, and which are disposed between the link plates 30 and the nozzle vanes 26; restraining pins 24 of which one ends 24a are attached to the main body parts 23b of the nozzle rings 23, and of which other ends 24b protrude beyond surfaces 30d of the link plates 30 that face the nozzle rings 23; and positioning pins 25 which are provided separately from the restraining pins 24 and which are assembled in wall parts 2b positioned on the side opposite from the nozzle rings 23 across from the link plates 30.

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Номер записи: 5
24-08-2017 дата публикации

NOZZLE DRIVING MECHANISM, SUPERCHARGER, VARIABLE CAPACITY SUPERCHARGER

Номер: WO2017141897A1
Автор: ASAKAWA Takao, SEGAWA Kenichi, KOBAYASHI Takahiro, SAKISAKA Ryota, TAKEUCHI Kazuko, BUNNO Kenji
Принадлежит:

Provided is a nozzle driving mechanism that comprises: a bearing 46 in which a bearing hole 46b is formed; a drive shaft 45 that is rotatably supported by the bearing hole 46b; a driving lever 47 that has an insertion part 47a into which a second end 45b (end) of the drive shaft 45 that protrudes from the bearing hole 46b is inserted, and a connection part 47c that is positioned on the bearing 46 side from an axial center O of the drive shaft 45 and outwardly protrudes from the insertion part 47a in a radial direction of the drive shaft 45; a link pin 48 that is connected to the connection part 47c; and a rod member 61 that is connected to the link pin 48, that is positioned opposite the connection part 47c from the bearing 46, and that is provided in an actuator 60.

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Номер записи: 6
20-09-2018 дата публикации

SEAL STRUCTURE OF VARIABLE NOZZLE UNIT, AND VARIABLE CAPACITY TYPE SUPERCHARGER

Номер: WO2018168931A1
Автор: SEGAWA Kenichi
Принадлежит:

This seal structure is provided with: a cylindrical outlet wall part which forms an outlet flow passage on the downstream side of a turbine impeller; and an annular shroud part provided in a second nozzle ring and facing a blade part. A base end portion of the outlet wall part and a tip portion of the shroud part axially face each other with a gap therebetween. An annular seal member is disposed on an inner circumferential side of the gap in the radial direction. The seal member contacts the base end portion of the outlet wall part and the tip portion of the shroud part, and seals the gap.

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Номер записи: 7
28-09-2017 дата публикации

SUPERCHARGER

Номер: WO2017163657A1
Автор: ASAKAWA Takao, SEGAWA Kenichi, KOBAYASHI Takahiro, SAKISAKA Ryota, TAKEUCHI Kazuko, BUNNO Kenji
Принадлежит:

Provided is a supercharger comprising: a turbine impeller 9 (impeller); nozzle vanes 24 provided radially outside the turbine impeller 9; a nozzle ring 23 to which the nozzle vanes 24 are provided; a heat shield member 31 disposed between the rear surface 9c of the turbine impeller 9 and a wall section 2b of a bearing housing 2 (housing), the heat shield member 31 having an outer contact section 31c in contact with the nozzle ring 23 from the side opposite the nozzle vanes 24, the heat shield member 31 also having an inner contact section 31d located inside the outer contact section 31c in the radial direction of a shaft 8 and in contact with the wall section 2b of the bearing housing 2 from the turbine impeller 9 side; and a separated section 2f provided on the wall section 2b of the bearing housing 2 and recessed from a contact section 2e toward the side away from the heat shield member 31, the contact section 2e being in contact with the inner contact section 31d of the heat shield member ...

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Номер записи: 8
23-04-2020 дата публикации

VARIABLE-CAPACITY SUPERCHARGER

Номер: WO2020079969A1
Автор: SEGAWA Kenichi
Принадлежит:

This variable-capacity supercharger is provided with: a turbine housing including a scroll flow channel, a cylinder part having a shroud surface facing vanes of a turbine wheel, and an exhaust gas outflow channel; a variable-capacity mechanism including a first plate and second plate that are attached to the turbine housing and that face each other, and a plurality of variable nozzle vanes arranged between the first plate and the second plate; and a cover member that is arranged on the diametrally outer side of the cylinder part, that faces the second plate in an axial direction, and that forms part of the scroll flow channel. The cover member is attached to the turbine housing so that a gap is formed between the cover member and the second plate.

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Номер записи: 9
29-09-2016 дата публикации

VARIABLE NOZZLE UNIT AND VARIABLE GEOMETRY SYSTEM TURBOCHARGER

Номер: US20160281593A1
Автор: Kenichi SEGAWA, Nobuyuki IKEYA, Tobias SCHEUERMANN, Thorben KOTZBACHER, SEGAWA KENICHI, IKEYA NOBUYUKI, SCHEUERMANN TOBIAS, KOTZBACHER THORBEN, SEGAWA Kenichi, IKEYA Nobuyuki, SCHEUERMANN Tobias, KOTZBACHER Thorben
Принадлежит: IHI Corporation, IHI CHARGING SYSTEMS INTERNATIONAL GMBH

A base portion of the support ring includes as many joining areas as connection pins. The joining areas respectively surround pin holes through which to insert end portions of the connection pins, and are arranged in a circumferential direction of the support ring. Cuts are formed around each joining area of the support ring in order to allow deformation of an intermediate portion of the support ring relative to the joining area. 1. A variable nozzle unit configured to be placed surrounding a turbine impeller inside a turbine housing of a variable geometry system turbocharger , and capable of varying an area of a passage of an exhaust gas to be supplied to the turbine impeller , comprising: an annular base portion,', 'a cylindrical intermediate portion integrally formed on an outer peripheral edge of the base portion to project toward one side in an axial direction of the turbine impeller, and', 'an annular tip end edge portion integrally formed on a tip end edge of the intermediate portion to project outward in a radial direction of the support ring, and held between the turbine housing and a bearing housing of the variable geometry system turbocharger;, 'a support ring configured to be placed inside the turbine housing, and including'}a nozzle ring integrally provided to the base portion of the support ring by joining end portions of three or more connection pins to the base portion thereof, the connection pins arranged in a circumferential direction of the base portion;a shroud ring integrally provided to the nozzle ring by joining opposite end portions of the plurality of connection pins to the shroud ring at a position away from the nozzle ring in the axial direction, and covering tip end edges respectively of a plurality of turbine blades of the turbine impeller; anda plurality of variable nozzles placed between mutually-facing surfaces of the nozzle ring and the shroud ring in a circumferential direction of the nozzle ring or the shroud ring, and capable of ...

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Номер записи: 10
13-01-2022 дата публикации

VARIABLE-CAPACITY TURBOCHARGER

Номер: US20220010722A1
Автор: HANDA Kouichi, SAKISAKA Ryota, SEGAWA Kenichi
Принадлежит:

A variable-capacity turbocharger includes a nozzle flow passage in which a gas is capable of flowing therethrough from a scroll flow passage toward a turbine impeller, a connecting pin connecting flow passage wall surfaces forming the nozzle flow passage, and nozzle vanes arranged in a rotation direction of the turbine impeller. At least one of the flow passage wall surfaces includes an inner peripheral side wall surface extending radially inward of a first reference line extending in the rotation direction, an outer peripheral side wall surface which is a plane extending radially outward from a second reference line extending in the rotation direction and parallel to a plane orthogonal to rotation axes of the nozzle vanes, and an intermediate wall surface which is a plane extending from the first reference line to the second reference line and parallel to the plane extending orthogonal to the rotation axes of the nozzle vanes. 1. A variable-capacity turbocharger comprising:a nozzle flow passage in which a gas is capable of flowing therethrough from a scroll flow passage toward a turbine impeller;a connecting pin connecting flow passage wall surfaces forming the nozzle flow passage; andnozzle vanes arranged in a rotation direction of the turbine impeller, an inner peripheral side wall surface extending radially inward of a first reference line extending in the rotation direction, the inner peripheral side wall surface being inclined to extend away from the nozzle vanes in a rotation axis direction of the turbine impeller;', 'an outer peripheral side wall surface extending radially outward from a second reference line extending in the rotation direction and parallel to a plane orthogonal to rotation axes of the nozzle vanes, the outer peripheral side wall surface being located farther from the nozzle vanes than an edge portion of the inner peripheral side wall surface, the second reference line being located radially outward from the first reference line, and the ...

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Номер записи: 11
14-01-2021 дата публикации

TURBOCHARGER

Номер: US20210010387A1
Автор: HAYASHI Katsunori, ITOU Koutarou, IWASA Yoshitaka, KOJIMA Hidenori, SEGAWA Kenichi, UEDA Takafumi
Принадлежит:

A turbocharger includes a turbine housing configured to accommodate a turbine wheel provided at one end of a rotation shaft, a bearing housing joined to the turbine housing and in which a bearing for supporting the rotation shaft is provided; and a variable nozzle unit that is disposed between the turbine housing and the bearing housing. The variable nozzle unit includes a nozzle ring disposed around a rotation axis of the rotation shaft and a support ring provided adjacent to the nozzle ring that includes an outer peripheral portion partially in contact with the turbine housing. One or more non-contact portions are formed in the outer peripheral portion of the support ring and do not contact the turbine housing. 1. A turbocharger comprising:a turbine housing configured to accommodate a turbine wheel provided at one end of a rotation shaft;a bearing housing joined to the turbine housing and in which a bearing for supporting the rotation shaft is provided; and a nozzle ring disposed around a rotation axis of the rotation shaft; and', 'a support ring provided adjacent to the nozzle ring that comprises an outer peripheral portion partially in contact with the turbine housing,, 'a variable nozzle unit that is disposed between the turbine housing and the bearing housing and compriseswherein one or more non-contact portions are formed in the outer peripheral portion of the support ring and do not contact the turbine housing.2. The turbocharger according to claim 1 ,wherein the variable nozzle unit comprises one or more connecting pins configured to connect the nozzle ring to the support ring, andwherein the non-contact portions are provided at locations in the outer peripheral portion of the support ring corresponding to the connecting pins in the circumferential direction.3. The turbocharger according to claim 2 , further comprising:one or more nozzle ring pin holes provided at the nozzle ring; andone or more support ring pin holes provided at the support ring,wherein at ...

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Номер записи: 12
16-01-2020 дата публикации

SEAL STRUCTURE OF VARIABLE NOZZLE UNIT, AND VARIABLE CAPACITY TYPE SUPERCHARGER

Номер: US20200018319A1
Автор: SEGAWA Kenichi
Принадлежит: IHI CORPORATION

A seal structure includes a cylindrical outlet wall portion which forms an outlet passage at a downstream side of a turbine wheel and an annular shroud portion which is provided in a second nozzle ring and faces a blade portion. A proximal end portion of the outlet wall portion and a distal end portion of the shroud portion face each other with a gap interposed therebetween in an axial direction. An annular seal member is disposed at an inner peripheral portion of the gap in a radial direction. The seal member comes into contact with the proximal end portion of the outlet wall portion and the distal end portion of the shroud portion to block the gap. 16.-. (canceled)7. A seal structure of a variable nozzle unit that is disposed between a turbine wheel and a scroll passage inside a turbine housing ,the variable nozzle unit including:a first nozzle ring which is disposed near a compressor in relation to a blade portion of the turbine wheel in an axial direction of the turbine wheel inside the turbine housing;a second nozzle ring which is disposed to face the scroll passage and to face the first nozzle ring in the axial direction inside the turbine housing; anda plurality of variable nozzles which are disposed between the first nozzle ring and the second nozzle ring,the seal structure comprising:a cylindrical outlet wall portion which is provided in the turbine housing and forms an outlet passage at the downstream side of the turbine wheel;an annular shroud portion which is provided in the second nozzle ring to face the blade portion, wherein a proximal end portion of the outlet wall portion and a distal end portion of the shroud portion face each other with a gap interposed therebetween in the axial direction; andan annular seal member that is disposed at an inner peripheral portion of the gap in a radial direction and comes into contact with the proximal end portion of the outlet wall portion and the distal end portion of the shroud portion to block the gap.8. The ...

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Номер записи: 13
26-02-2015 дата публикации

VARIABLE NOZZLE UNIT AND VARIABLE-GEOMETRY TURBOCHARGER

Номер: US20150056067A1
Автор: SEGAWA Kenichi
Принадлежит: IHI CORPORATION

An annular seal flange is formed at an inner peripheral edge portion of an upstream-side seal ring. The seal flange projects in a downstream direction. When seal rings are viewed from radially inside, the seal flange of the upstream-side seal ring is designed to at least partially occlude an end gap of the downstream-side (the most downstream-side) seal ring. 1. A variable nozzle unit disposed between a turbine scroll passage and a gas discharge port inside a turbine housing of a variable-geometry turbocharger in such a way as to surround a turbine impeller , and capable of changing a passage area for an exhaust gas to be supplied to the turbine impeller side , comprising:a nozzle ring disposed inside the turbine housing; the shroud portion being placed on an inside of an annular step portion formed on an inlet side of the gas discharge port inside the turbine housing, and', 'the shroud ring including a ring groove formed in an outer peripheral surface of the shroud portion;, 'a shroud ring provided integrally with the nozzle ring at a position away from and opposed to the nozzle ring and including a cylindrical shroud portion placed on an inner peripheral edge side, projecting to the gas discharge port side, and being configured to occlude outer edges of a plurality of turbine blades of the turbine impeller,'}a plurality of variable nozzles disposed in a circumferential direction between opposed surfaces of the nozzle ring and the shroud ring, each variable nozzle being turnable in forward and reverse directions about a shaft center in parallel with a shaft center of the turbine impeller; anda plurality of seal rings provided in pressure-contact by their own elastic forces with an inner peripheral surface of the step portion of the turbine housing, an inner peripheral edge portion of each seal ring being fitted into the ring groove of the shroud ring and being configured to suppress leakage of the exhaust gas from the turbine scroll passage side, whereina seal ...

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Номер записи: 14
16-05-2019 дата публикации

Variable displacement turbocharger

Номер: US20190145274A1
Автор: Kazuko TAKEUCHI, Kenichi Segawa, Kenji Bunno, Ryota SAKISAKA, Takahiro Kobayashi, Takao ASAKAWA
Принадлежит: IHI Corp

A projecting portion is formed on a nozzle ring, projects to a radially outer side with respect to a cylindrical portion, extends in a circumferential direction, and is held in abutment against a housing from a side of a link plate. A plate is faced to the nozzle ring on a side of a nozzle vane, and is configured to form a flow passage in a clearance to the nozzle ring. A pin is inserted into a first insertion portion formed in the nozzle ring and a second insertion portion formed in the plate, and to which the nozzle ring and the plate are mounted while the clearance is maintained. A counter bore groove is formed in the first insertion portion of the nozzle ring on the side of the link plate, and cut out the projecting portion.

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Номер записи: 15
07-06-2018 дата публикации

Variable geometry turbocharger

Номер: US20180156061A1
Автор: Kazuko TAKEUCHI, Kenichi Segawa, Kenji Bunno, Ryota SAKISAKA, Takahiro Kobayashi, Takao ASAKAWA
Принадлежит: IHI Corp

A variable geometry turbocharger includes a turbine having a variable nozzle unit, and a compressor. The variable nozzle unit has: a unit main body part that is fixed to a turbine housing and rotatably supports a plurality of nozzle vanes; a drive ring that transmits a driving force to the plurality of nozzle vanes; and a drive ring support member that is fixed to the unit main body part and rotatably supports the drive ring. The drive ring support member is formed by one member and has: base end side parts that regulate movement of the drive ring in a radial direction; tip end side parts that regulate movement of the drive ring to the compressor side; and turbine side receiving parts that regulate movement of the drive ring to the turbine side in the direction of a rotational axis.

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Номер записи: 16
23-05-2019 дата публикации

VARIABLE DISPLACEMENT TURBOCHARGER

Номер: US20190153943A1
Автор: ASAKAWA Takao, BUNNO Kenji, Kobayashi Takahiro, SAKISAKA Ryota, SEGAWA Kenichi, TAKEUCHI Kazuko
Принадлежит: IHI CORPORATION

Provided is a variable capacity turbocharger, including: a drive ring including a main body portion having an annular shape; a first projection portion and a second projection portion, which are formed on the main body portion, and are arranged apart from one another in a circumferential direction of the main body portion so as to sandwich a link plate to which a nozzle vane is mounted; and a cutout portion, which is formed in a portion of the main body portion between the first projection portion and the second projection portion. 1. A variable capacity turbocharger , comprising:a drive ring including a main body portion having an annular shape;a first projection portion and a second projection portion, which are formed on the main body portion, and are arranged apart from one another in a circumferential direction of the main body portion so as to sandwich a link plate to which a nozzle vane is mounted; anda cutout portion, which is formed in a portion of the main body portion between the first projection portion and the second projection portion.2. A variable capacity turbocharger according to claim 1 , further comprising a nozzle ring claim 1 , which has a shaft hole configured to axially support a shaft portion connecting the nozzle vane and the link plate to one another claim 1 , and is configured to support the main body portion of the drive ring.3. A variable capacity turbocharger according to claim 1 , wherein the first projection portion and the second projection portion project radially outward from an outer peripheral surface of the drive ring claim 1 , and bend toward a center axis direction of the drive ring.4. A variable capacity turbocharger according to claim 2 , wherein the first projection portion and the second projection portion project radially outward from an outer peripheral surface of the drive ring claim 2 , and bend toward a center axis direction of the drive ring.5. A variable capacity turbocharger according to claim 3 , wherein a first ...

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Номер записи: 17
04-09-2014 дата публикации

VARIABLE NOZZLE UNIT AND VARIABLE GEOMETRY SYSTEM TURBOCHARGER

Номер: US20140248135A1
Автор: ASAKAWA Takao, INOUE Tomohiro, SEGAWA Kenichi
Принадлежит: IHI CORPORATION

Multiple guide claws are formed integrally on a right side surface of a first nozzle ring of a variable nozzle unit and radially at intervals in a circumferential direction. Each guide claw has a guide groove with a U-shaped cross section, which is formed by lathe turning. A projecting portion is formed at an inner edge portion on the right side surface of the first nozzle ring. The projecting portion is formed on base portions of the multiple guide claws. 1. A variable nozzle unit configured to adjust a passage area for an exhaust gas to be supplied to a turbine impeller in a variable geometry system turbocharger , comprising: a plurality of support holes arranged m a circumferential direction of the base ring, and', 'a plurality of guide claws formed integrally on a side surface of the base ring on one side in an axial direction of the turbine impeller and located radially at intervals in the circumferential direction, each guide claw having a guide groove on its tip end side;, 'a base ring disposed concentrically with the turbine impeller, the base ring including'}a plurality of variable nozzles disposed in the base ring in the circumferential direction to surround the turbine impeller, each variable nozzle being disposed rotatably about a pivot which is parallel to a pivot of the turbine impeller;a drive ring guided by the guide grooves of the guide claws so as to rotate in any of a forward direction and a reverse direction about the pivot of the turbine impeller, the drive ring including a plurality of engagement portions provided in a circumferential direction of the drive ring; and a base end portion integrally connected to a nozzle shaft of the corresponding variable nozzle, and', 'a tip end portion engaged with the corresponding engagement portion of the drive ring., 'a plurality of synchronous link members, each including'}2. The variable nozzle unit according to claim 1 , whereinthe base ring comprises a projecting portion provided on an inner edge ...

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Номер записи: 18
04-09-2014 дата публикации

VARIABLE NOZZLE UNIT AND VARIABLE GEOMETRY SYSTEM TURBOCHARGER

Номер: US20140248137A1
Автор: ASAKAWA Takao, INOUE Tomohiro, SEGAWA Kenichi
Принадлежит: IHI CORPORATION

A variable geometry system turbocharger includes a variable nozzle unit, which is disposed in a turbine housing by being sandwiched between the turbine housing and a bearing housing, and which adjusts a passage area for the exhaust gas to be supplied to a turbine impeller. The bearing housing includes a container recessed portion which contains a link mechanism of the variable nozzle unit. 1: A variable geometry system turbocharger configured to supercharge air to be supplied to an engine side by using energy of an exhaust gas from the engine , comprisinga variable nozzle unit disposed in a turbine housing by being sandwiched between the turbine housing and a bearing housing, and configured to adjust a passage area for the exhaust gas to be supplied to a turbine impeller, wherein a first base ring disposed between a turbine scroll passage and the turbine impeller in the turbine housing, and concentrically with the turbine impeller;', 'a second base ring provided at a position away from and opposed to the first base ring in an axial direction of the turbine impeller, and integrally with the first base ring;', 'a plurality of variable nozzles disposed between facing surfaces of the first base ring and the second base ring, each variable nozzle being rotatable in forward and reverse directions about a pivot parallel to a pivot of the turbine impeller;', 'a link mechanism disposed on an opposite surface side of the first base ring from the facing surface thereof and configured to cause the plurality of variable nozzles to synchronously rotate in opening and closing directions; and', 'a support member provided integrally on the opposite surface of the first base ring from the facing surface thereof, the support member including an inner edge portion integrally joined to the opposite surface of the first base ring from the facing surface thereof, and an outer edge portion sandwiched by the turbine housing and the bearing housing, and wherein, 'the variable nozzle unit ...

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Номер записи: 19
29-07-2021 дата публикации

VARIABLE CAPACITY TURBOCHARGER

Номер: US20210231028A1
Автор: SEGAWA Kenichi
Принадлежит:

A variable capacity turbocharger may include a turbine housing, a variable capacity mechanism, and a cover. The turbine housing may include a scroll flow path, a cylindrical portion having a shroud surface facing blades of a turbine impeller, and an exhaust gas outlet flow path. The variable capacity mechanism may be attached to the turbine housing and may include a first plate and a second plate facing each other, and a plurality of variable nozzle vanes disposed between the first plate and the second plate. The cover may be disposed outside the cylindrical portion in a radial direction to face the second plate in an axial direction and to form a part of the scroll flow path. The cover may be attached to the turbine housing such that a gap is formed between the cover and the second plate. 1. A variable capacity turbocharger comprising:a turbine impeller including a plurality of blades;a turbine housing that accommodates the turbine impeller and includes a scroll flow path, a cylindrical portion having a shroud surface facing the blades of the turbine impeller, and an exhaust gas outlet flow path;a variable capacity mechanism that is attached to the turbine housing and includes a first plate and a second plate facing each other, and a plurality of variable nozzle vanes disposed between the first plate and the second plate, the second plate being disposed closer to the exhaust gas outlet flow path than the first plate; anda cover that is disposed outside the cylindrical portion in a radial direction of the turbine impeller to face the second plate in an axial direction of the turbine impeller and to form a part of the scroll flow path, the cover including an inner peripheral end disposed along the cylindrical portion of the turbine housing and an outer peripheral end disposed in the scroll flow path,wherein the cover is attached to the turbine housing such that a gap is formed between the cover and the second plate to allow exhaust gas in the scroll flow path to flow ...

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Номер записи: 20
20-09-2018 дата публикации

MOUNTING STRUCTURE AND TURBOCHARGER

Номер: US20180266432A1
Автор: BUNNO Kenji, Daito Yuichi, KANEDA Shinichi, SEGAWA Kenichi, TEZUKA Atsushi, UNEURA Yutaka
Принадлежит: IHI CORPORATION

Provided is a mounting structure, including: an impeller including: a main body portion having a through hole; a plurality of blades provided to an outer peripheral surface of the main body portion; and a boss portion, which is a part of the main body portion, and protrudes toward one end side of the shaft with respect to the plurality of blades; a small-diameter portion, which is a part of the shaft; a first large-diameter portion, which is a part of the shaft, is located on another end side of the shaft with respect to the small-diameter portion; and a small-inner-diameter portion of the through hole, which is formed on a radially inner side of the boss portion, and has an inner diameter smaller than an inner diameter of a part of the through hole which is opposed to the first large-diameter portion in a radial direction. 1. A mounting structure , comprising: a main body portion having a through hole to which a shaft is inserted;', 'a plurality of blades provided to an outer peripheral surface of the main body portion; and', 'a boss portion, which is a part of the main body portion, and protrudes toward one end side of the shaft with respect to the plurality of blades;, 'an impeller includinga small-diameter portion, which is a part of the shaft, and is opposed to an inner peripheral surface of the through hole and spaced apart in the radial direction of the shaft;a first large-diameter portion, which is a part of the shaft, is located on another end side of the shaft with respect to the small-diameter portion, and has an outer diameter larger than an outer diameter of the small-diameter portion; anda small-inner-diameter portion of the through hole, which is formed on a radially inner side of the boss portion, and has an inner diameter smaller than an inner diameter of a part of the through hole which is opposed to the first large-diameter portion in a radial direction.2. A mounting structure according to claim 1 , further comprising a second large-diameter ...

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Номер записи: 21
18-12-2014 дата публикации

VARIABLE FLOW VALVE MECHANISM AND VEHICLE TURBOCHARGER

Номер: US20140366531A1
Автор: SEGAWA Kenichi
Принадлежит: IHI CORPORATION

In a waste gate valve, an annular spacer is provided between a washer and an attachment tongue in an axial direction of a valve shaft of a valve. The spacer is made of a graphite material. An annular guard wall is formed on a back surface of the washer in such a way as to surround the spacer. 1. A variable flow valve mechanism used in a turbocharger in which a gas passage to achieve a variable flow rate of an exhaust gas to be supplied to a turbine wheel side is formed inside a turbine housing or inside a connection body connected to the turbine housing in a communicating state , the variable flow valve mechanism configured to open and close an opening of the gas passage , the variable flow valve mechanism comprising:a stem rotatably supported by a support hole penetrating through an outer wall of the turbine housing or the connection body, the stem including a base end portion projecting to outside of the turbine housing or the connection body;a link member integrally provided at the base end portion of the stem and configured to be driven by an actuator to swing in forward and reverse directions around a center axis of the stem;an attachment member integrally provided at the stem and including an attachment hole penetrating through the attachment member; a valve body capable of coming into contact with and separating from a valve seat on the opening side of the bypass passage, and', 'a valve shaft integrally formed at the center of the valve body and fitted into the attachment hole in the attachment member;, 'a valve provided fitted into the attachment hole in the attachment member, allowed to have backlash on the attachment member, the valve including'}a clasp integrally provided at a tip end portion of the valve shaft and configured to prevent the valve from being separated from the attachment member;a spacer provided to at least any of a portion of the valve shaft between the clasp and the attachment member and a portion of the valve shaft between the ...

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Номер записи: 22
24-09-2020 дата публикации

VARIABLE DISPLACEMENT TURBOCHARGER

Номер: US20200300162A1
Автор: ASAKAWA Takao, BUNNO Kenji, Kobayashi Takahiro, SAKISAKA Ryota, SEGAWA Kenichi, TAKEUCHI Kazuko
Принадлежит: IHI CORPORATION

Provided is a variable capacity turbocharger, including: a drive ring including a main body portion having an annular shape; a first projection portion and a second projection portion, which are formed on the main body portion, and are arranged apart from one another in a circumferential direction of the main body portion so as to sandwich a link plate to which a nozzle vane is mounted; and a cutout portion, which is formed in a portion of the main body portion between the first projection portion and the second projection portion. 1. A variable capacity turbocharger , comprising:a drive ring including a main body portion having an annular shape;a cutout portion, which is formed in an outer peripheral surface of the main body portion;a first projection portion and a second projection portion, which are formed in the cutout portion, and projecting in a circumferential direction of the main body portion and bent toward a center axis direction, the first projection portion and the second projection portion are arranged apart from one another in the circumferential direction of the main body portion so as to sandwich a link plate to which a nozzle vane is mounted; anda slit portion, which is positioned on a radially inner side of the first projection portion and the second projection portion.2. The variable capacity turbocharger according to claim 1 , further comprising a nozzle ring claim 1 , which has a shaft hole configured to axially support a shaft portion connecting the nozzle vane and the link plate to one another claim 1 , and is configured to support the main body portion of the drive ring.3. The variable capacity turbocharger according to claim 1 , wherein distal end portions of the first projection portion and the second projection portion project toward a link plate side in the center axis direction.4. The variable capacity turbocharger according to claim 1 , wherein end portions of the slit portion in the circumferential direction have a curved shape. This ...

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Номер записи: 23
15-11-2018 дата публикации

NOZZLE DRIVE MECHANISM, TURBOCHARGER, VARIABLE CAPACITY TURBOCHARGER

Номер: US20180328271A1
Автор: ASAKAWA Takao, BUNNO Kenji, Kobayashi Takahiro, SAKISAKA Ryota, SEGAWA Kenichi, TAKEUCHI Kazuko
Принадлежит: IHI CORPORATION

Provided is a nozzle drive mechanism, including: a bearing having a bearing hole; a drive shaft which is axially supported in the bearing hole so as to be rotatable; a drive lever including: an insertion portion into which another end portion (end portion) of the drive shaft protruding from the bearing hole is inserted; and a coupling portion, which is positioned on the bearing side with respect to a center of the drive shaft in an axial direction, and projects outward in a radial direction of the drive shaft from the insertion portion; a link pin coupled to the coupling portion; and a rod member, which is connected to the link pin, is positioned on a side opposite to the bearing with respect to the coupling portion, and is provided to an actuator. 1. A nozzle drive mechanism , comprising:a bearing having a bearing hole;a drive shaft which is axially supported in the bearing hole so as to be rotatable; an insertion portion into which an end portion of the drive shaft protruding from the bearing hole is inserted; and', 'a coupling portion, which is positioned on the bearing side of the insertion portion with respect to a center of the drive shaft in an axial direction, and projects outward in a radial direction of the drive shaft from the insertion portion;, 'a drive lever includinga link pin coupled to the coupling portion; anda rod member, which is connected to the link pin, is positioned on a side opposite to the bearing with respect to the coupling portion, and is provided to an actuator.2. A nozzle drive mechanism according to claim 1 ,wherein the insertion portion of the drive lever has an exposure hole for exposing the drive shaft in a radial direction, andwherein at least a part of the drive shaft which is exposed through the exposure hole is welded to the insertion portion.3. A nozzle drive mechanism according to claim 2 , wherein the coupling portion is positioned on the bearing side with respect to the exposure hole.4. A turbocharger claim 1 , comprising ...

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Номер записи: 24
13-12-2018 дата публикации

TURBOCHARGER

Номер: US20180355889A1
Автор: ASAKAWA Takao, BUNNO Kenji, Kobayashi Takahiro, SAKISAKA Ryota, SEGAWA Kenichi, TAKEUCHI Kazuko
Принадлежит: IHI CORPORATION

Provided is a turbocharger, including: a turbine impeller(impeller); nozzle vanes provided on a radially outer side of the turbine impeller; a nozzle ring to which the nozzle vanes are provided; a heat-shielding member including: an outer contact portion, which is arranged between a back surface of the turbine impeller and a wall portion of a bearing housing (housing), and is brought into contact with the nozzle ring from a side opposite to the nozzle vanes; and an inner contact portion, which is at a position on an inner side in a radial direction of the shaft with respect to the outer contact portion, and is brought into contact with a wall portion of the bearing housing from the turbine impeller side; and a separation portion, which is formed on the wall portion of the bearing housing, and is recessed toward a side of separating from the heat-shielding member with respect to a contact portion to be brought into contact with the inner contact portion of the heat-shielding member. 1. A turbocharger , comprising:an impeller;nozzle vanes provided on a radially outer side of the impeller;a nozzle ring to which the nozzle vanes are provided; an outer contact portion, which is arranged between a back surface of the impeller and a wall portion of a housing, and is brought into contact with the nozzle ring from a side opposite to the nozzle vanes; and', 'an inner contact portion, which is at a position on a radially inner side of the impeller with respect to the outer contact portion, and is brought into contact with a wall portion of the housing from the impeller side;, 'a heat-shielding member includinga separation portion, which is formed on the wall portion of the housing, and is recessed toward a side of separating from the heat-shielding member with respect to a contact portion to be brought into contact with the inner contact portion of the heat-shielding member;an annular projection, which is formed on the wall portion of the housing, and projects toward the back ...

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Номер записи: 25
20-12-2018 дата публикации

NOZZLE DRIVE MECHANISM, TURBOCHARGER, AND VARIABLE-CAPACITY TURBOCHARGER

Номер: US20180363493A1
Автор: ASAKAWA Takao, BUNNO Kenji, Kobayashi Takahiro, SAKISAKA Ryota, SEGAWA Kenichi, TAKEUCHI Kazuko
Принадлежит: IHI CORPORATION

A nozzle drive mechanism includes: a plurality of nozzle vanes; a plurality of link plates each fixed to a shaft portion of one of the plurality of nozzle vanes; a nozzle ring having an annular main body portion including shaft holes, each of which pivotally supporting a shaft portion of one of the nozzle vanes, the nozzle ring arranged between the link plates and the nozzle vanes; a regulation pin having one end attached to the main body portion of the nozzle ring and the other end protruding from an opposing surface of one of the link plates facing the nozzle ring; and a positioning pin provided separately from the regulation pin and assembled to a wall portion positioned opposite to the nozzle ring across the link plate at a position where the positioning pin is brought into contact when the nozzle ring rotates. 1. A nozzle drive mechanism comprising:a plurality of nozzle vanes;a plurality of link plates each provided to a shaft portion of one of the plurality of nozzle vanes;a nozzle ring having an annular main body portion including shaft holes, each of which pivotally supporting a shaft portion of one of the nozzle vanes, the nozzle ring arranged between the link plates and the nozzle vanes;a regulation pin having one end side thereof attached to the main body portion of the nozzle ring and the other end thereof protruding from an opposing surface of one of the link plates facing the nozzle ring; anda positioning pin provided separately from the regulation pin and assembled to a wall portion positioned opposite to the nozzle ring across the link plate at a position where the positioning pin is brought into contact when the nozzle ring rotates.2. The nozzle drive mechanism according to claim 1 , further comprising:a ring hole penetrating through the main body portion of the nozzle ring and into which the end of the regulation pin is press-fitted to a position in the nozzle ring that is flush with an open surface positioned on a side opposite to the link plates. ...

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Номер записи: 26
12-12-2019 дата публикации

ROTATING BODY, TURBOCHARGER, AND ROTATING BODY MANUFACTURING METHOD

Номер: US20190376524A1
Автор: Narimatsu Akitada, SEGAWA Kenichi
Принадлежит: IHI CORPORATION

Provided is a rotating body, including: a shaft; and a compressor impeller including: a main body having an insertion hole, which extends from one end to another end side and is configured to receive the shaft inserted therethrough; a boss portion formed at one end side of the main body; and a joint portion, which is formed on an inner peripheral surface of the insertion hole at the boss portion and is welded to the shaft. 1. A rotating body , comprising:a shaft; and a main body having an insertion hole, the insertion hole extending from one end to another end side and being configured to receive the shaft inserted therethrough;', 'a boss portion formed at one end side of the main body; and', 'a joint portion, which is formed on an inner peripheral surface of the insertion hole at the boss portion, and is welded to the shaft., 'a compressor impeller including2. The rotating body according to claim 1 , wherein the insertion hole includes:a small-inner-diameter portion formed on the another end side with respect to the boss portion; anda radially expanded portion, which is located between the small-inner-diameter portion and the joint portion, and has an inner diameter larger than an inner diameter of the small-inner-diameter portion.3. The rotating body according to claim 1 , wherein the compressor impeller includes:blades which are provided at the another end side with respect to the boss portion on an outer periphery of the main body; andan extending portion, which is located between the blades and the boss portion, and has a thickness in the radial direction larger than that of the boss portion.4. The rotating body according to claim 2 , wherein the compressor impeller includes:blades which are provided at the another end side with respect to the boss portion on an outer periphery of the main body; andan extending portion, which is located between the blades and the boss portion, and has a thickness in the radial direction larger than that of the boss portion.5. ...

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Номер записи: 27
06-01-1988 дата публикации

Automatic picture checking device

Номер: JPS631245A
Автор: Akira Yoshizawa, Kazunari Shimizu, Kenichi Segawa, Nobuhiro Kantani, Toshihiko Inagaki, 一成 清水, 乾谷　信博, 敏彦 稲垣, 昭 吉沢, 瀬川　賢一
Принадлежит: Fuji Xerox Co Ltd

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

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Номер записи: 28
17-04-2018 дата публикации

Variable nozzle unit and variable geometry system turbocharger

Номер: US9945245B2
Автор: Kenichi Segawa, Takao ASAKAWA, Tomohiro Inoue
Принадлежит: IHI Corp

Multiple guide claws are formed integrally on a right side surface of a first nozzle ring of a variable nozzle unit and radially at intervals in a circumferential direction. Each guide claw has a guide groove with a U-shaped cross section, which is formed by lathe turning. A projecting portion is formed at an inner edge portion on the right side surface of the first nozzle ring. The projecting portion is formed on base portions of the multiple guide claws.

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Номер записи: 29
14-03-2017 дата публикации

Variable flow valve mechanism and vehicle turbocharger

Номер: US9593624B2
Автор: Kenichi Segawa
Принадлежит: IHI Corp

In a waste gate valve, an annular spacer is provided between a washer and an attachment tongue in an axial direction of a valve shaft of a valve. The spacer is made of a graphite material. An annular guard wall is formed on a back surface of the washer in such a way as to surround the spacer.

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Номер записи: 30
26-05-2020 дата публикации

Nozzle drive mechanism, turbocharger, variable capacity turbocharger

Номер: US10662871B2
Автор: Kazuko TAKEUCHI, Kenichi Segawa, Kenji Bunno, Ryota SAKISAKA, Takahiro Kobayashi, Takao ASAKAWA
Принадлежит: IHI Corp

Provided is a nozzle drive mechanism, including: a bearing having a bearing hole; a drive shaft which is axially supported in the bearing hole so as to be rotatable; a drive lever including: an insertion portion into which another end portion (end portion) of the drive shaft protruding from the bearing hole is inserted; and a coupling portion, which is positioned on the bearing side with respect to a center of the drive shaft in an axial direction, and projects outward in a radial direction of the drive shaft from the insertion portion; a link pin coupled to the coupling portion; and a rod member, which is connected to the link pin, is positioned on a side opposite to the bearing with respect to the coupling portion, and is provided to an actuator.

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Номер записи: 31
27-06-2023 дата публикации

Variable-capacity turbocharger

Номер: US11686244B2
Автор: Kenichi Segawa, Kouichi Handa, Ryota SAKISAKA
Принадлежит: IHI Corp

A variable-capacity turbocharger includes a nozzle flow passage in which a gas is capable of flowing therethrough from a scroll flow passage toward a turbine impeller, a connecting pin connecting flow passage wall surfaces forming the nozzle flow passage, and nozzle vanes arranged in a rotation direction of the turbine impeller. At least one of the flow passage wall surfaces includes an inner peripheral side wall surface extending radially inward of a first reference line extending in the rotation direction, an outer peripheral side wall surface which is a plane extending radially outward from a second reference line extending in the rotation direction and parallel to a plane orthogonal to rotation axes of the nozzle vanes, and an intermediate wall surface which is a plane extending from the first reference line to the second reference line and parallel to the plane extending orthogonal to the rotation axes of the nozzle vanes.

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Номер записи: 32
14-07-2022 дата публикации

Cooling structure and turbocharger

Номер: US20220220864A1
Автор: Kenichi Segawa
Принадлежит: IHI Corp

A cooling structure includes: a housing including an inner cylindrical portion through which a shaft is inserted; a coolant flow path formed in the housing and opened on one side of the housing in a rotational axis direction, the coolant flow path being located radially outside the inner cylindrical portion; a lid member disposed in an opening of the coolant flow path, the lid member located radially outside the inner cylindrical portion and adjacent to the coolant flow path; a first end portion on the lid member, the first end portion contacting, in the radial direction, an inner circumferential surface of the coolant flow path on one side in the radial direction; and a second end portion on the lid member, the second end portion contacting, in the rotational axis direction, an abutment surface on the housing on the other side in the radial direction.

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Номер записи: 33
23-09-2021 дата публикации

turbocharger

Номер: DE112017001529B4
Автор: Kazuko TAKEUCHI, Kenichi Segawa, Kenji Bunno, Ryota SAKISAKA, Takahiro Kobayashi, Takao ASAKAWA
Принадлежит: IHI Corp

Turbolader (C), mit:einem Gehäuse (2);einem Laufrad (9);Leitschaufeln (24), die auf einer radial äußeren Seite des Laufrads (9) vorgesehen sind;einem Düsenring (23), an dem die Leitschaufeln (24) vorgesehen sind;einem Wärmeabschirmbauteil (31), das Folgendes aufweist:einen äußeren Kontaktabschnitt (31c), der zwischen einer Rückseite (9c) des Laufrads (9) und einem Wandabschnitt (2b) des Gehäuses (2) angeordnet ist und von einer Seite aus, die entgegengesetzt zu den Leitschaufeln (24) ist, mit dem Düsenring (23) in Kontakt gebracht ist; undeinen inneren Kontaktabschnitt (31d), der bezüglich des äußeren Kontaktabschnitts (31c) an einer Position auf einer radial inneren Seite des Laufrads (9) liegt und von der Seite des Laufrads (9) aus mit dem Wandabschnitt (2b) des Gehäuses (2) in Kontakt gebracht ist;einem Kontaktabschnitt (2e), der auf dem Wandabschnitt (2b) des Gehäuses (2) ausgebildet ist und mit dem inneren Kontaktabschnitt (31d) des Wärmeabschirmbauteils (31) in Kontakt zu bringen ist;einem Trennabschnitt (2f), der auf dem Wandabschnitt (2b) des Gehäuses (2) ausgebildet ist und bezüglich des Kontaktabschnitts (2e) in Richtung einer Seite vertieft ist, die vom Wärmeabschirmbauteil (31) getrennt ist; undeinem ringförmigen Vorsprung (2c), der auf dem Wandabschnitt (2b) des Gehäuses (2) ausgebildet ist und in Richtung der Rückseite (9c) des Laufrads (9) vorsteht, gekennzeichnet durcheine ringförmige Nut (2k), die in einem Außenumfang eines Fußendes des ringförmigen Vorsprungs (2c) und auf dem Kontaktabschnitt (2e) ausgebildet ist. Turbocharger (C), comprising: a housing (2); an impeller (9); guide vanes (24) which are provided on a radially outer side of the impeller (9); a nozzle ring (23) on which the guide vanes (24 ); a heat shield member (31) comprising: an outer contact portion (31c) which is arranged between a rear side (9c) of the impeller (9) and a wall portion (2b) of the housing (2) and from one side from, which is opposite to the guide vanes (24), is ...

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Номер записи: 34
02-11-2023 дата публикации

Variable düseneinheit und variables turbinengeometrie-ladersystem

Номер: DE102014203354B4
Автор: Kenichi Segawa, Takao ASAKAWA, Tomohiro Inoue
Принадлежит: IHI Corp

Variable Düseneinheit (45), die ausgebildet ist, eine Durchtrittsfläche für ein Abgas, das einem Turbinenlaufrad (29) in einem variablen Turbinengeometrie-Ladersystem (1) zugeführt werden soll, einzustellen, umfassend:einen konzentrisch mit dem Turbinenlaufrad (29) angeordneten Basisring (47), wobei der Basisring (47) umfasstmehrere in einer Umfangsrichtung des Basisrings (47) angeordnete Stützlöcher (49), undmehrere Führungsklauen (51), die integral an einer Seitenfläche des Basisrings (47) auf der einen Seite in einer axialen Richtung des Turbinenlaufrades (29) ausgebildet und radial in Abständen in der Umfangsrichtung angeordnet sind, wobei jede Führungsklaue (51) eine Führungsnut (53) auf deren Spitzenendseite aufweist;mehrere variable Düsen (61), die in dem Basisring (47) in der Umfangsrichtung angeordnet sind, um das Turbinenlaufrad (29) zu umgeben, wobei jede variable Düse (61) um eine Drehachse, die parallel zu einer Drehachse (S) des Turbinenrades (29) liegt, drehbar angeordnet ist;einen Antriebsring (67), der durch die Führungsnuten (53) der Führungsklauen (51) geführt wird, um sich in eine Vorwärtsrichtung oder eine Rückwärtsrichtung um die Drehachse (S) des Turbinenlaufrades (29) zu drehen, wobei der Antriebsring (67) eine Vielzahl von Eingriffsabschnitten (71) in einer Umfangsrichtung des Antriebsrings (67) aufweist; undmehrere Synchronverbindungselemente (75), die jeweils umfassen:einen Basisendabschnitt, der integral mit einer Düsenwelle (63) der entsprechenden variablen Düse (61) verbunden ist, undeinen Spitzenendabschnitt, der mit dem entsprechenden Eingriffsabschnitt (71) des Antriebsrings (67) in Eingriff ist, dadurch gekennzeichnet, dass jede Führungsnut (53) des Basisrings (47) in Umfangsrichtung zwischen zwei benachbarten Synchronverbindungselementen (75) vorgesehen ist.

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Номер записи: 35
26-12-1987 дата публикации

画像検査用光学濃度測定装置

Номер: JPS62299971A
Автор: Akira Yoshizawa, Kazunari Shimizu, Kenichi Segawa, Nobuhiro Kantani, Toshihiko Inagaki, 一成 清水, 乾谷　信博, 敏彦 稲垣, 昭 吉沢, 瀬川　賢一
Принадлежит: Fuji Xerox Co Ltd

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

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Номер записи: 36
22-02-2024 дата публикации

Turbolader mit variabler Kapazität

Номер: DE112022001044T5
Автор: Hayato Shibayama, Kengo Ikeda, Kenichi Segawa, Naotoshi Shimizu, Ryosuke Miyao, Takafumi Ueda, Takao ASAKAWA
Принадлежит: IHI Corp

Ein Turbolader mit variabler Kapazität hat: ein Turbinenlaufrad; ein Gehäuse, das das Turbinenlaufrad beherbergt; und eine variable Düseneinheit, die in dem Gehäuse beherbergt ist. Die variable Düseneinheit hat einen Düsenflügel, der an einem Durchgang eines Gases angeordnet ist, das in das Turbinenlaufrad eingeleitet wird, einen Düsenring, der den Düsenflügel drehbar stützt, und eine Antriebseinheit, die entgegengesetzt zu dem Düsenflügel angeordnet ist, wobei der Düsenring zwischen der Antriebseinheit und dem Düsenflügel angeordnet ist, und die den Düsenflügel dreht. Das Gehäuse hat eine Antriebskammer, die die Antriebseinheit beherbergt, und einen Flüssigkeitsdurchgang, der mit der Antriebskammer in Verbindung ist. Die Antriebskammer hat eine zugewandte Innenumfangsfläche, die einem Außenumfangsabschnitt der Antriebseinheit zugewandt ist, und eine Oberflächenrauigkeit einer Durchgangsfläche des Flüssigkeitsdurchgangs ist größer als eine Oberflächenrauigkeit von wenigstens einer Region der zugewandten Innenumfangsfläche, wobei die Region mit dem Flüssigkeitsdurchgang verbunden ist.

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Номер записи: 37
30-11-2023 дата публикации

Turbine und Turbolader

Номер: DE112022001022T5
Автор: Hayato Shibayama, Kengo Ikeda, Kenichi Segawa, Naotoshi Shimizu, Ryosuke Miyao, Taiki YOSHIZAKI, Takao ASAKAWA
Принадлежит: IHI Corp

Eine Turbine weist ein Turbinenrad; ein Turbinengehäuse, das einen Strömungspfad aufweist, durch welchen ein Gas strömt, das von einem Einlassanschluss aufgenommen wird; einen Variable-Geometrie-Mechanismus, der innerhalb des Turbinengehäuses angeordnet ist und konfiguriert ist, das Gas aufzunehmen und das Gas zu dem Turbinenrad zu führen, wobei der Variable-Geometrie-Mechanismus einen scheibenförmigen Düsenring und Düsenleitschaufeleinheiten hat, die jeweils eine Düsenleitschaufel, die auf einer Seite einer Hauptfläche des Düsenrings angeordnet ist, eine Düsenwelle, die sich von der Düsenleitschaufel erstreckt und durch den Düsenring geht, und eine Düsenkoppelplatte aufweisen, die auf einer Seite einer Rückfläche des Düsenrings angeordnet ist und mit einem distalen Ende der Düsenwelle verbunden ist; und eine Scheibenfeder auf, die in Kontakt mit den Düsenleitschaufeleinheiten ist und eine Kraft in einer Richtung einer Düsenachse aufbringt. Die Düsenleitschaufel liegt durch die Kraft an einem Abschnitt an, der der Düsenleitschaufel zugewandt ist.

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Номер записи: 38
14-03-2024 дата публикации

Turbine with biased nozzle vane members

Номер: US20240084715A1
Автор: Hayato Shibayama, Kengo Ikeda, Kenichi Segawa, Naotoshi Shimizu, Ryosuke Miyao, Taiki YOSHIZAKI, Takao ASAKAWA
Принадлежит: IHI Corp

A turbine includes a turbine wheel, a housing having a flow path for a gas, a variable geometry device to guide the gas from the flow path to the turbine wheel, and a biasing member. The variable geometry device includes one or more nozzle vane member, each having a nozzle vane, a nozzle shaft and a nozzle link plate. The biasing member is in contact with the nozzle link plate of the nozzle vane member, to urge the nozzle vane member against a contact surface of the turbine.

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Номер записи: 39
18-01-2024 дата публикации

Variable capacity turbocharger

Номер: US20240018879A1
Автор: Hayato Shibayama, Kengo Ikeda, Kenichi Segawa, Naotoshi Shimizu, Ryosuke Miyao, Takafumi Ueda, Takao ASAKAWA
Принадлежит: IHI Corp

A variable capacity turbocharger includes a turbine impeller, a gas inlet passage fluidly coupled to the turbine impeller, a nozzle vane located in the gas inlet passage, a drive assembly that rotates the nozzle vane, a drive chamber accommodating the drive assembly and including a region configured to store liquid in the drive chamber, and a liquid passage fluidly coupled with the drive chamber and configured to discharge the liquid from the drive chamber. A surface of the liquid passage has a greater surface roughness than the region of the drive chamber.

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Номер записи: 40
02-07-2024 дата публикации

Variable capacity turbocharger

Номер: US12025012B2
Автор: Hayato Shibayama, Kengo Ikeda, Kenichi Segawa, Naotoshi Shimizu, Ryosuke Miyao, Takafumi Ueda, Takao ASAKAWA
Принадлежит: IHI Corp

A variable capacity turbocharger includes a turbine impeller, a gas inlet passage fluidly coupled to the turbine impeller, a nozzle vane located in the gas inlet passage, a drive assembly that rotates the nozzle vane, a drive chamber accommodating the drive assembly and including a region configured to store liquid in the drive chamber, and a liquid passage fluidly coupled with the drive chamber and configured to discharge the liquid from the drive chamber. A surface of the liquid passage has a greater surface roughness than the region of the drive chamber.

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Номер записи: 41
22-08-2023 дата публикации

Cooling structure and turbocharger

Номер: US11732606B2
Автор: Kenichi Segawa
Принадлежит: IHI Corp

A cooling structure includes: a housing including an inner cylindrical portion through which a shaft is inserted; a coolant flow path formed in the housing and opened on one side of the housing in a rotational axis direction, the coolant flow path being located radially outside the inner cylindrical portion; a lid member disposed in an opening of the coolant flow path, the lid member located radially outside the inner cylindrical portion and adjacent to the coolant flow path; a first end portion on the lid member, the first end portion contacting, in the radial direction, an inner circumferential surface of the coolant flow path on one side in the radial direction; and a second end portion on the lid member, the second end portion contacting, in the rotational axis direction, an abutment surface on the housing on the other side in the radial direction.

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Номер записи: 42
30-05-2017 дата публикации

Variable nozzle unit and variable geometry system turbocharger

Номер: US09664060B2
Автор: Kenichi Segawa, Takao ASAKAWA, Tomohiro Inoue
Принадлежит: IHI Corp

A variable geometry system turbocharger includes a variable nozzle unit, which is disposed in a turbine housing by being sandwiched between the turbine housing and a bearing housing, and which adjusts a passage area for the exhaust gas to be supplied to a turbine impeller. The bearing housing includes a container recessed portion which contains a link mechanism of the variable nozzle unit.

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Номер записи: 43
11-04-2017 дата публикации

Variable nozzle unit and variable-geometry turbocharger

Номер: US09618005B2
Автор: Kenichi Segawa
Принадлежит: IHI Corp

An annular seal flange is formed at an inner peripheral edge portion of an upstream-side seal ring. The seal flange projects in a downstream direction. When seal rings are viewed from radially inside, the seal flange of the upstream-side seal ring is designed to at least partially occlude an end gap of the downstream-side (the most downstream-side) seal ring.

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Номер записи: 44