公开(公告)号：US20240116435A1

公开(公告)日：2024-04-11

申请号：US18544534

申请日：2023-12-19

Applicant: KUBOTA CORPORATION

Inventor： Shinji FUJIMOTO ,  Norita TOTTORI ,  Ryosuke TANAKA ,  Maho YAMANAKA

IPC: B60Q1/32 ,  B60Q1/26

CPC classification number: B60Q1/32 ,  B60Q1/2692 ,  B60Q1/2661

Abstract: A utility vehicle includes a fixing portion to which a lamp is fixed, and a support portion that supports the fixing portion and is capable of switching a position of the fixing portion between a use position where at least a portion of the lamp is located outside a vehicle body with respect to a fender and a storage position where the lamp is located inside the vehicle body with respect to the fender.

公开(公告)号：US20230392540A1

公开(公告)日：2023-12-07

申请号：US18201780

申请日：2023-05-25

Applicant: KUBOTA CORPORATION

Inventor： Shota NAKANO ,  Keiji TAKAHASHI ,  Tsuyoshi GONO ,  Keita ONO ,  Norita TOTTORI ,  Naoya OKAMOTO ,  Ryosuke TANAKA

IPC: F02B3/06 ,  F02P19/02

CPC classification number: F02B3/06 ,  F02P19/022

Abstract: A work vehicle includes a diesel engine, a heater to heat a gas to be supplied to a combustion chamber of the diesel engine, and a controller to execute an afterglow routine to cause the heater to operate. The controller is configured or programmed to execute the afterglow routine in response to the diesel engine being started, an elapse of a predetermined stop time since an end of a previous execution of the afterglow routine, and the work vehicle being in a warming-up state.

公开(公告)号：US20240359549A1

公开(公告)日：2024-10-31

申请号：US18768286

申请日：2024-07-10

Applicant: Kubota Corporation

Inventor： Norita TOTTORI ,  Hironobu NOGAMI ,  Daisuke MIYAZAKI ,  Renta KASAI ,  Daisuke NAKAYAMA

IPC: B60K1/04 ,  B60K1/00 ,  B60K11/04 ,  B60L1/00 ,  B60L50/60 ,  B62D25/08 ,  B62D25/10 ,  B62D49/06

CPC classification number: B60K1/04 ,  B60K11/04 ,  B60L1/00 ,  B60L50/60 ,  B62D25/084 ,  B62D25/10 ,  B60K2001/003 ,  B60K2001/0411 ,  B60L2200/40 ,  B62D49/06

Abstract: An electric work vehicle includes a travel battery, an auxiliary battery, a motor drivable on electric power supplied by the travel battery, a travel device drivable by the motor, a voltage converter positioned forward of the travel battery to step down a voltage of electric power from the travel battery and supply the electric power to the auxiliary battery, and a radiator positioned forward of the travel battery, wherein the voltage converter and the radiator are laterally next to each other in a plan view.

公开(公告)号：US20220379703A1

公开(公告)日：2022-12-01

申请号：US17619524

申请日：2020-05-27

Applicant: KUBOTA CORPORATION

Inventor： Norita TOTTORI ,  Hironobu NOGAMI ,  Daisuke MIYAZAKI ,  Renta KASAI ,  Daisuke NAKAYAMA

IPC: B60K1/04 ,  B60L50/60 ,  B60K11/04 ,  B60L1/00 ,  B62D25/10 ,  B62D25/08

Abstract: An electric work vehicle includes a travel battery, an auxiliary battery, a motor drivable on electric power supplied by the travel battery, a travel device drivable by the motor, a voltage converter positioned forward of the travel battery to step down a voltage of electric power from the travel battery and supply the electric power to the auxiliary battery, and a radiator positioned forward of the travel battery, wherein the voltage converter and the radiator are laterally next to each other in a plan view.

公开(公告)号：US20220234434A1

公开(公告)日：2022-07-28

申请号：US17617018

申请日：2020-05-27

Applicant: KUBOTA CORPORATION

Inventor： Norita TOTTORI ,  Hironobu NOGAMI ,  Daisuke NAKAYAMA ,  Daisuke MIYAZAKI

IPC: B60K1/04 ,  B60L58/26 ,  B60K11/06 ,  B60K1/00

Abstract: An electric work vehicle includes a body frame, a battery above the body frame, a motor drivable on electric power supplied by the battery, a travel device drivable by the motor, and a cooling fan positioned forward of the battery to send cooling air to the battery, wherein the body frame and the battery define a ventilation space therebetween, and the cooling fan extends in an up-down direction of a machine body to face both the battery and the ventilation space.

公开(公告)号：US20210402874A1

公开(公告)日：2021-12-30

申请号：US17358063

申请日：2021-06-25

Applicant: KUBOTA CORPORATION

Inventor： Keiji TAKAHASHI ,  Tatsuya SAKAI ,  Tsuyoshi GONO ,  Norita TOTTORI

IPC: B60K17/28 ,  B60K25/06 ,  B60K28/04 ,  B60K28/16

Abstract: A PTO shaft driving device in a working machine, includes a parking switch to detect parking of a vehicle body, a first switch located on a manipulator located on the vehicle body to output a PTO shaft control command that is either a driving command to drive a PTO shaft located on the vehicle body or a stopping command to stop the PTO shaft, a second switch located at a position different from the manipulator to output a PTO shaft control command that is either a driving command to drive the PTO shaft or a stopping command to stop the PTO shaft, a first permission switch to selectively permit or prohibit a stationary work when the parking switch detects the parking, and a controller configured or programmed to control driving of the PTO shaft. The controller is configured or programmed to selectively drive or stop the PTO shaft according to the PTO shaft control command from the first switch or the second switch when the stationary work is permitted by the first permission switch.

公开(公告)号：US20240169773A1

公开(公告)日：2024-05-23

申请号：US18282604

申请日：2021-11-01

Applicant: KUBOTA CORPORATION

Inventor： Hiroshi MIYAKE ,  Akiya SHIBUTANI ,  Norita TOTTORI ,  Tsuyoshi GONO ,  Keiji TAKAHASHI

IPC: G07C5/08 ,  B60R16/033 ,  G01R19/165 ,  G01R31/3835 ,  H02J7/14

CPC classification number: G07C5/0825 ,  B60R16/033 ,  G01R19/16542 ,  G01R31/3835 ,  H02J7/14

Abstract: A work vehicle includes a battery, an operating apparatus to be supplied with power from the battery, an operating apparatus manager to manage operation of the operating apparatus, a reporting device in a driver's section, a voltage drop amount detector to detect an amount of voltage drop in the battery, and a voltage drop manager to report voltage drop information via the reporting device in response to the amount of voltage drop exceeding a permissible value during operation of the operating apparatus.

公开(公告)号：US20240155962A1

公开(公告)日：2024-05-16

申请号：US18419598

申请日：2024-01-23

Applicant: KUBOTA CORPORATION

Inventor： Takashi SAWAI ,  Norita TOTTORI ,  Katsumi YANAGIHARA ,  Kazuya KIYAMA ,  Hiroyuki KAWAMURA ,  Shinichiro MINAMI ,  Ryo KUMAI ,  Mami FUJII

IPC: A01B63/112 ,  A01B59/06 ,  A01B63/10 ,  B62D49/06

CPC classification number: A01B63/112 ,  A01B59/067 ,  A01B63/1006 ,  B62D49/06

Abstract: A tractor includes a hydraulic lifting and lowering driver to lift and lower a three-point linkage, a load detector to swing according to a traction load of an implement, and a mechanical linkage to transmit a swing amount of the load detector to the lifting and lowering driver. The mechanical linkage includes a first linkage on one side in a right-left direction of a vehicle body frame and interlockingly linked with the load detector, a second linkage on the other side in the right-left direction of the vehicle body frame and interlockingly linked with the lifting and lowering driver, and an operation cable interlockingly linking the first linkage and the second linkage.

公开(公告)号：US20220379704A1

公开(公告)日：2022-12-01

申请号：US17619529

申请日：2020-05-27

Applicant: KUBOTA CORPORATION

Inventor： Norita TOTTORI ,  Daisuke NAKAYAMA ,  Hironobu NOGAMI

IPC: B60K1/04 ,  B62D21/18 ,  B60L50/60 ,  B60K11/04

Abstract: An electric work vehicle includes a battery, a motor positioned under the battery and drivable on electric power supplied by the battery, a travel device drivable by the motor, an inverter positioned under the battery and forward of the motor to convert direct-current electric power from the battery into alternating-current electric power and supply the alternating-current electric power to the motor, and a transmission positioned backward of the battery to transmit a driving force of the motor to the travel device, wherein the motor and the inverter are arranged in a front-back direction of a machine body.

公开(公告)号：US20220377959A1

公开(公告)日：2022-12-01

申请号：US17619527

申请日：2020-05-27

Applicant: KUBOTA CORPORATION

Inventor： Daisuke NAKAYAMA ,  Hironobu NOGAMI ,  Norita TOTTORI ,  Takefumi OGURI

IPC: A01B63/10 ,  B60K17/28 ,  B60K25/02 ,  B60L50/60 ,  B60K17/02 ,  B60K1/00

Abstract: An electric work vehicle includes a work device, a battery, a motor drivable on electric power supplied by the battery, a travel device drivable by the motor, and a hydraulic pump positioned next to the motor and drivable by the motor to supply operating fluid to an operating mechanism of the work device.