公开(公告)号：US20210062931A1

公开(公告)日：2021-03-04

申请号：US16992173

申请日：2020-08-13

Applicant: DENSO DAISHIN CORPORATION ,  DENSO CORPORATION

Inventor： Makoto UNO ,  Yasushi KAWANO ,  Kenichi ISHIHARA ,  Tohru SHIMIZU ,  Yuta FUJINAKA

IPC: F16K31/04 ,  F02D9/10 ,  F02M26/54 ,  F02M26/70 ,  F02M26/72 ,  H02K7/00 ,  H02K7/08

Abstract: A throttle valve device includes a body, a valve, a motor, and a cover. The body defines a passage, a motor space, and a connecting portion that connects the motor space to the passage. The motor includes a motor yoke made of a magnetic material, a plurality of magnets that are arranged on an inner circumferential surface of the motor yoke. The plurality of magnets are magnetized in a state where the motor yoke is disposed in the motor space of the body. The plurality of magnets are arranged in a circumferential direction in the motor yoke with a space. The connecting portion is aligned with the space between the plurality of magnets in a radial direction of the motor yoke.

公开(公告)号：US20210062733A1

公开(公告)日：2021-03-04

申请号：US16992182

申请日：2020-08-13

Applicant: DENSO DAISHIN CORPORATION ,  DENSO CORPORATION

Inventor： Koshiro MIWA ,  Yasushi KAWANO ,  Kenichi ISHIHARA ,  Tohru SHIMIZU ,  Yuta FUJINAKA

IPC: F02D9/10 ,  F02D11/10

Abstract: A throttle valve device includes a body, a valve, a motor, a speed reducer, and a cover. The body that defines a passage and a motor space therein. The motor includes a motor yoke, a magnet, a motor shaft, a pair of motor bearings, an armature core, a commutator, a brush, and a brush holder. The motor yoke is made of a magnetic material. The brush holder holds the brush. The motor yoke has an open end that is covered by the brush holder.

公开(公告)号：US20240319758A1

公开(公告)日：2024-09-26

申请号：US18673077

申请日：2024-05-23

Applicant: DENSO CORPORATION

Inventor： Yuta FUJINAKA ,  Soichi KINOUCHI ,  Hideaki ICHIHARA ,  Kohtaroh HIRASAWA

IPC: G05G1/44 ,  H02P23/00 ,  H02P23/14

CPC classification number: G05G1/44 ,  H02P23/0077 ,  H02P23/14 ,  G05G2505/00

Abstract: A pedal device includes a pedal lever, an actuator, and a control unit. The pedal lever operates in response to a pedal operation. The actuator can apply a reaction force that is a force in a direction of returning the pedal lever by driving a motor. The control unit includes a current command calculation section that calculates a current command value based on a reaction force target value related to a reaction force applied to the pedal lever and a duty calculation section that calculates a duty command value based on the current command value, and controls a drive of a motor based on the duty command value. The duty calculation section corrects the duty command value based on at least one of a motor current supplied to the motor and a rotation speed of the motor.

公开(公告)号：US20190186385A1

公开(公告)日：2019-06-20

申请号：US16323013

申请日：2017-07-28

Applicant: DENSO CORPORATION

Inventor： Osamu SHIMANE ,  Tohru SHIMIZU ,  Yuta FUJINAKA

IPC: F02D11/10 ,  G01D5/14 ,  F02D9/02 ,  F02D9/10

Abstract: An angle detection mechanism to detect a rotation angle of a rotation body includes a first detection unit to cause a first output value to constantly change in response to an angle change of the rotation body in the entire region of a specific rotation range and to set a change quantity of the first output value relative to the angle change in a first rotation region of the specific rotation range to be greater than a change quantity in a non-first rotation region, and a second detection unit to cause a second output value to constantly change in response to an angle change and to set a change quantity of the second output value in a second rotation region including a rotation region different from the first rotation region to be greater than a change quantity in a non-second rotation region.

公开(公告)号：US20240295895A1

公开(公告)日：2024-09-05

申请号：US18664599

申请日：2024-05-15

Applicant: DENSO CORPORATION

Inventor： Soichi KINOUCHI ,  Yuusuke YOSHIDA ,  Tetsuji YAMANAKA ,  Takuto KITA ,  Yuta FUJINAKA

IPC: G05G1/44 ,  B60K26/02 ,  G05G5/05

CPC classification number: G05G1/44 ,  B60K26/02 ,  G05G5/05

Abstract: An accelerator device includes a pedal lever, a power transmission mechanism, and a control unit. The pedal lever is movable in response to a pedal depression operation, and is biased in a return direction by a pedal biasing member. The power transmission mechanism includes an actuator lever that is contactable with the pedal lever and is biased in the return direction of the pedal lever by an actuator lever biasing member, and is capable of applying a reaction force to the pedal lever, which is a force in the return direction by a driving force of a drive source via the actuator lever. The control unit controls energization of the drive source, and performs a brake control in which a return speed of the actuator lever is reduced when the pedal lever returns to a fully closed direction.

公开(公告)号：US20240217337A1

公开(公告)日：2024-07-04

申请号：US18608020

申请日：2024-03-18

Applicant: DENSO CORPORATION

Inventor： Takuto KITA ,  Noriyuki INAGAKI ,  Yuta FUJINAKA ,  Hideyuki MORI

IPC: B60K26/02 ,  G05G5/00 ,  G05G5/04 ,  G05G5/05

CPC classification number: B60K26/02 ,  G05G5/005 ,  G05G5/04 ,  G05G5/05 ,  B60K2026/023 ,  G05G2505/00

Abstract: A power transmission mechanism of an accelerator device includes a first power transmission member, a second power transmission member, a coupling elastic member, and an actuator lever, and applies a reaction force to a pedal lever via the first power transmission member, the second power transmission member, and the actuator lever using a driving force of a drive source. The first power transmission member has a first stopper, and the driving force is transmitted to the first power transmission member. The second power transmission member has a second stopper that comes into contact with the first stopper. The first stopper and the second stopper are separated from each other in an initial state, and when the drive source is energized, and come into contact with each other when the first power transmission member is driven against an elastic force of the coupling elastic member by energizing the drive source.

公开(公告)号：US20210062734A1

公开(公告)日：2021-03-04

申请号：US16992184

申请日：2020-08-13

Applicant: DENSO DAISHIN CORPORATION ,  DENSO CORPORATION

Inventor： Yuta FUJINAKA ,  Kenichi ISHIHARA ,  Tohru SHIMIZU

IPC: F02D9/10

Abstract: A throttle valve device includes a body, a valve, a valve gear, a motor, an intermediate gear, an intermediate shaft and a cover. A guiding hole is formed in the cover and the intermediate shaft engages the guiding hole. A positioning reference pin is formed in one of the cover and the body at a position around the motor. A positioning reference hole is formed in the other of the cover and the body at a position around the motor. The body and the cover are positioned with respect to each other by both engaging between the intermediate shaft and the guiding hole and engaging between the positioning reference pin and the positioning reference hole. The body and the cover are fixed to each other by a fixing member.