公开(公告)号：US11940012B2

公开(公告)日：2024-03-26

申请号：US17137726

申请日：2020-12-30

Applicant: DENSO CORPORATION

Inventor： Akira Takagi ,  Ryo Ishibashi ,  Takumi Sugiura

IPC: F16D13/52 ,  F16D23/12 ,  F16H25/12 ,  F16D28/00

CPC classification number: F16D13/52 ,  F16D23/12 ,  F16H25/12 ,  F16D2023/123 ,  F16D28/00

Abstract: A normal-time drive cam groove extends from a drive cam specific point, which is defined as a specific point of the drive cam, toward one side in a circumferential direction of the drive cam. A groove bottom at the normal-time drive cam groove is sloped relative to one end surface of the drive cam such that a depth of the groove bottom continuously decreases from the drive cam specific point toward the one side in the circumferential direction of the drive cam. An emergency-time drive cam groove extends from the drive cam specific point toward another side in the circumferential direction of the drive cam.

公开(公告)号：US11867237B2

公开(公告)日：2024-01-09

申请号：US17137727

申请日：2020-12-30

Applicant: DENSO CORPORATION

Inventor： Takumi Sugiura ,  Akira Takagi ,  Ryo Ishibashi

IPC: F16D13/52 ,  F16D23/12 ,  F16H25/12 ,  F16D28/00

CPC classification number: F16D13/52 ,  F16D23/12 ,  F16H25/12 ,  F16D28/00 ,  F16D2023/123

Abstract: At a drive cam slope groove, a groove bottom is sloped relative to one end surface of a drive cam such that a depth of the groove bottom continuously decreases from one side toward other side in a circumferential direction. At a drive cam planar groove, the groove bottom is parallel to the one end surface of the drive cam. A drive cam connection groove has: one end connected to an end of the drive cam slope groove located on the other side in the circumferential direction of the drive cam; and the other end connected to an end of the drive cam planar groove located on the one side in the circumferential direction. A slope angle of the groove bottom relative to the one end surface of the drive cam continuously changes from the one end to the other end of the drive cam connection groove.

公开(公告)号：US11796012B2

公开(公告)日：2023-10-24

申请号：US17582593

申请日：2022-01-24

Applicant: DENSO CORPORATION

Inventor： Souichirou Hayashi ,  Takumi Sugiura ,  Akira Takagi

IPC: F16D23/12 ,  F16D13/58 ,  F16H37/12 ,  H02K7/108 ,  H02K7/116 ,  F16D13/52 ,  F16D125/36 ,  F16D125/50

CPC classification number: F16D23/12 ,  F16D13/58 ,  F16H37/124 ,  H02K7/108 ,  H02K7/116 ,  F16D13/52 ,  F16D2023/123 ,  F16D2125/36 ,  F16D2125/50

Abstract: A state changing unit is provided radially outward of a translation portion and movable in an axial direction relative to the translation portion. The state changing unit is in contact with or separated from the clutch. The state changing unit receives a force in the axial direction from the translation portion such that the state changing unit is pressed against the clutch. The state changing unit is capable of changing a state of the clutch to an engaged state or a disengaged state according to a position of the translation portion in the axial direction relative to the housing. A movement restriction portion is provided on the translation portion and located between the state changing unit and the clutch. The movement restriction portion contacts the state changing unit and restricts movement of the state changing unit relative to the translation portion toward the clutch.

公开(公告)号：US11732765B2

公开(公告)日：2023-08-22

申请号：US17571165

申请日：2022-01-07

Applicant: DENSO CORPORATION

Inventor： Akikazu Uchida ,  Takumi Sugiura ,  Akira Takagi ,  Masayuki Echizen

IPC: F16D23/12 ,  H02K11/21 ,  F16D48/08 ,  F16H37/12 ,  H02K7/108 ,  H02K7/116 ,  F16D28/00 ,  F16D13/46 ,  F16D121/24 ,  F16D125/36 ,  F16D125/50 ,  F16D13/52

CPC classification number: F16D23/12 ,  F16D28/00 ,  F16D48/08 ,  F16H37/124 ,  H02K7/108 ,  H02K7/116 ,  H02K11/21 ,  F16D13/46 ,  F16D13/52 ,  F16D2023/123 ,  F16D2121/24 ,  F16D2125/36 ,  F16D2125/50 ,  F16D2500/10412 ,  F16D2500/3122

Abstract: A prime mover includes a stator fixed to the housing and a rotor rotatable relative to the stator. The prime mover outputs torque by being supplied with electric power. A speed reducer reduces the torque of the prime mover and outputs the reduced torque. A rotational translation unit includes a rotation portion that rotates relative to the housing upon receiving the torque from the speed reducer, and a translation portion that moves relative to the housing in an axial direction. A clutch allows torque transmission in an engaged state, and interrupts the torque transmission in a disengaged state. A state changing unit changes the state of the clutch by receiving a force along the axial direction from the translation portion. Cogging torque generated between the rotor and the stator is set to such a magnitude that the rotor is stoppable at any rotation position relative to the stator.

公开(公告)号：US20140158921A1

公开(公告)日：2014-06-12

申请号：US14090447

申请日：2013-11-26

Applicant: DENSO CORPORATION

Inventor： Ryo ISHIBASHI ,  Akira Takagi

IPC: F16K31/02

CPC classification number: F02M21/0239 ,  F02D19/022 ,  F02M21/0233 ,  F16K31/0655 ,  F16K31/0675 ,  F16K39/024 ,  H01F2007/085 ,  Y02T10/32

Abstract: A guide portion slidably receiving a movable core is constructed by a medium-diameter portion, a first small-diameter portion, and a second small-diameter portion. A magnetism blocking portion is provided between the first small-diameter portion and the second small-diameter portion. A ring portion is provided at a periphery of the medium-diameter portion, and abuts on a yoke. When a coil is energized, a magnetic circuit is generated to pass through the yoke, the medium-diameter portion, the first small-diameter portion, the movable core, and the second small-diameter portion, and to bypass the magnetism blocking portion. In addition, another magnetic circuit passing through the ring portion is also generated. A magnetic attractive force inclining with a center axis of the guide portion is generated between the second small-diameter portion and an end surface according to an expansion magnetic circuit, and the movable core is moved towards the stator core.

Abstract translation: 可滑动地容纳可动芯的引导部分由中直径部分，第一小直径部分和第二小直径部分构成。 在第一小直径部分和第二小直径部分之间设置磁阻部分。 环形部分设置在中直径部分的周边处，并且邻接轭。 当线圈通电时，产生磁路以通过磁轭，中直径部分，第一小直径部分，可动磁芯和第二小直径部分，并绕过磁阻部分。 此外，还产生通过环形部分的另一个磁路。 根据膨胀磁路，在第二小直径部和端面之间产生与引导部的中心轴倾斜的磁性吸引力，并且可动芯向定子芯移动。

公开(公告)号：US12025191B2

公开(公告)日：2024-07-02

申请号：US18327424

申请日：2023-06-01

Applicant: DENSO CORPORATION

Inventor： Akira Takagi ,  Takumi Sugiura ,  Masashi Nakagawa

IPC: F16D23/12 ,  F16D28/00 ,  F16D48/06 ,  H02K7/108 ,  H02K7/116 ,  F16D13/38 ,  F16D127/02

CPC classification number: F16D28/00 ,  F16D48/064 ,  H02K7/108 ,  H02K7/116 ,  F16D13/38 ,  F16D2127/02 ,  F16D2300/14

Abstract: A first drive cam groove extends from a drive cam specific position to one side in a circumferential direction. A second drive cam groove extends from the drive cam specific position to the other side in the circumferential direction, and an inclination angle of a groove bottom with respect to one end surface of the drive cam main body is larger than that of the first drive cam groove. A first driven cam groove extends from a driven cam specific position to one side in a circumferential direction. A second driven cam groove extends from the driven cam specific position to the other side in the circumferential direction, and an inclination angle of a groove bottom with respect to one end surface of the driven cam main body is larger than that of the first driven cam groove.

公开(公告)号：US11808307B2

公开(公告)日：2023-11-07

申请号：US17582754

申请日：2022-01-24

Applicant: DENSO CORPORATION

Inventor： Akikazu Uchida ,  Takumi Sugiura ,  Akira Takagi

IPC: F16D23/12 ,  F16H37/12 ,  H02K7/108 ,  H02K7/116 ,  F16D13/52 ,  F16D125/36 ,  F16D125/50

CPC classification number: F16D23/12 ,  F16H37/124 ,  H02K7/108 ,  H02K7/116 ,  F16D13/52 ,  F16D2023/123 ,  F16D2125/36 ,  F16D2125/50

Abstract: A prime mover includes a stator fixed to a housing, and a rotor rotatable relative to the stator. The prime mover outputs torque from the rotor by being supplied with electric power. A speed reducer reduces the torque of the prime mover and outputs the reduced torque. The speed reducer includes a sun gear to which the torque from the rotor is input, and a planetary gear that revolves in a circumferential direction of the sun gear while rotating in a state of meshing with the sun gear. The rotor and the sun gear are formed separately, and are disposed coaxially so as to be integrally rotatable.

公开(公告)号：US12078212B2

公开(公告)日：2024-09-03

申请号：US18327424

申请日：2023-06-01

Applicant: DENSO CORPORATION

Inventor： Akira Takagi ,  Takumi Sugiura ,  Masashi Nakagawa

IPC: F16D23/12 ,  F16D28/00 ,  F16D48/06 ,  H02K7/108 ,  H02K7/116 ,  F16D13/38 ,  F16D127/02

CPC classification number: F16D28/00 ,  F16D48/064 ,  H02K7/108 ,  H02K7/116 ,  F16D13/38 ,  F16D2127/02 ,  F16D2300/14

Abstract: A first drive cam groove extends from a drive cam specific position to one side in a circumferential direction. A second drive cam groove extends from the drive cam specific position to the other side in the circumferential direction, and an inclination angle of a groove bottom with respect to one end surface of the drive cam main body is larger than that of the first drive cam groove. A first driven cam groove extends from a driven cam specific position to one side in a circumferential direction. A second driven cam groove extends from the driven cam specific position to the other side in the circumferential direction, and an inclination angle of a groove bottom with respect to one end surface of the driven cam main body is larger than that of the first driven cam groove.

公开(公告)号：US10781928B2

公开(公告)日：2020-09-22

申请号：US16318163

申请日：2017-07-18

Applicant: DENSO CORPORATION

Inventor： Hiroshi Tanimura ,  Akira Takagi ,  Atsushi Motoki ,  Tsunehito Watanabe

IPC: F16K11/07 ,  F16K3/24

Abstract: A critical state is assumed in which a position of one end of the opening of the input port in the axial direction and a position of the other end of the groove in the axial direction accord with each other with respect to the axial direction. In the critical state, when a straight line is extended in the axial direction as well as radially outward of the spool without changing a direction of the straight line in a circumferential direction of the spool from one end of the groove bottom in the axial direction with the same inclination as the inclination of the groove bottom at the one end of the groove in the axial direction relative to the axial direction, the straight line passes through the opening of the output port to contact a wall surface of the output port.

公开(公告)号：US09051856B2

公开(公告)日：2015-06-09

申请号：US13750040

申请日：2013-01-25

Applicant: DENSO CORPORATION

Inventor： Akira Takagi

IPC: B60W10/02 ,  B60W10/06 ,  B60W10/10 ,  F01M1/02 ,  F16H57/04 ,  F16H61/00

CPC classification number: F01M1/02 ,  F16H57/0404 ,  F16H61/0031 ,  F16H2061/0043

Abstract: An oil-pressure supply device includes an oil-pressure control portion, a first filtration portion which traps foreign materials in oil before a mechanical pump, a second filtration portion which traps foreign materials in oil before an electric pump, a first branch passage provided between the mechanical pump and the first filtration portion, a second branch passage provided between the electric pump and the second filtration portion, a third branch passage provided between a discharge port of the electric pump and the oil-pressure control portion, a fourth branch passage through which surplus oil is discharged, a switching portion set at a first position where the first branch passage is connected to the third branch passage when the first filtration portion is recovered, or set at a second position where the second branch passage is connected to the fourth branch passage when the second filtration portion is recovered.

Abstract translation: 油压供给装置包括油压控制部，在机械泵之前捕集油中的异物的第一过滤部，在电动泵之前捕集油中的异物的第二过滤部，设置在电泵之间的第一分支通路， 所述机械泵和所述第一过滤部分，设置在所述电动泵和所述第二过滤部之间的第二分支通道，设置在所述电动泵的排出口和所述油压控制部之间的第三分支通路， 剩余的油被排出，当第一过滤部分被回收时，设置在第一位置处的第一分支通道连接到第三分支通道的切换部分，或者设置在第二分支通道连接到第四分支通道的第四位置 回收第二过滤部分时的分支通道。