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    Powertrain arrangement of a work machine and a work machine
    2.
    发明授权
    Powertrain arrangement of a work machine and a work machine 有权

    公开(公告)号：US12084831B2

    公开(公告)日：2024-09-10

    申请号：US18687315

    申请日：2022-08-30

    Applicant: ZF FRIEDRICHSHAFEN AG

    Inventor： Alexey Rudolf ,  Michael Siber ,  Rico Glöckner ,  Xiaoting Zhu

    IPC: B60K1/02 ,  B60K17/22 ,  B60K17/28 ,  B60L15/00 ,  E02F9/08

    CPC classification number: E02F9/0866 ,  B60K1/02 ,  B60K17/22 ,  B60K17/28 ,  B60L15/007 ,  E02F9/0841 ,  B60W2300/17

    Abstract: A powertrain arrangement of a working machine, including a first and second electric motor, frame component, and transmission, the first and second electric motor being connected to the transmission for transmitting torque. The frame component forms a receiving space, in which the first and second electric motor and the transmission are accommodated. The frame component has a rear axle casing section configured to rotatably bear a universal-joint shaft connecting the transmission to a rear axle. The frame component has a top-side frame section, which is arranged adjacent to a cab floor in a vertical direction. The first and second electric motor are arranged next to each other in a transverse direction and at least partially at a same level in the vertical direction. The first and second electric motor are arranged above the rear axle casing section and below the top-side frame section in the vertical direction.

    MOTOR DEVICE APPLIED TO MACHINE INCLUDING DRIVE UNIT DRIVEN TO ROTATE BY MOTOR AND CONSTRUCTION MACHINE USING MOTOR DEVICE
    3.
    发明公开
    MOTOR DEVICE APPLIED TO MACHINE INCLUDING DRIVE UNIT DRIVEN TO ROTATE BY MOTOR AND CONSTRUCTION MACHINE USING MOTOR DEVICE 审中-公开

    公开(公告)号：US20240235327A1

    公开(公告)日：2024-07-11

    申请号：US18612320

    申请日：2024-03-21

    Applicant: NABTESCO CORPORATION

    Inventor： Kazuhito NAKAMURA

    IPC: H02K9/16 ,  E02F9/08

    CPC classification number: H02K9/16 ,  E02F9/0866

    Abstract: In a motor device, a stator includes multiple coils that become electromagnets when energized. A rotor includes multiple permanent magnets facing one surface of each of the multiple coils and is provided rotatably with respect to the stator. A housing houses the stator and the rotor in a sealed manner and includes end spaces located respectively at both ends of a rotating shaft of the rotor and includes a cavity communicating with the end spaces and provided on the other surface side of the multiple coils. A fan makes a gas in the housing to flow through a cooling flow path constituted by a gap communicating with the end spaces and provided between the one surface of each of the multiple coils and the multiple permanent magnets, the end spaces, and the cavity.

    WORK MACHINE
    4.
    发明公开
    WORK MACHINE 审中-公开

    公开(公告)号：US20240200485A1

    公开(公告)日：2024-06-20

    申请号：US18021910

    申请日：2021-08-05

    Applicant: KOMATSU LTD.

    Inventor： Kou UCHIYAMA ,  Yoshiaki SHIMADA ,  Wataru NISHIYAMA

    IPC: F01N13/18 ,  B60K13/04 ,  E02F9/08 ,  E02F9/10 ,  F01N13/00

    CPC classification number: F01N13/1805 ,  B60K13/04 ,  E02F9/0866 ,  F01N13/009 ,  E02F9/10

    Abstract: A work machine where a plurality of exhaust treatment devices can appropriately be arranged is provided. The work machine includes an engine (7), a first exhaust treatment device (12) that treats exhaust emitted from the engine (7), and a second exhaust treatment device (14) that treats exhaust that has passed through the first exhaust treatment device (12). A longitudinal direction of the first exhaust treatment device (12) is inclined with respect to a fore/aft direction (X) and a lateral direction (Y) and inclined with respect to a longitudinal direction of the second exhaust treatment device (14).

    Electric Work Machine
    6.
    发明公开
    Electric Work Machine 审中-公开

    公开(公告)号：US20240175238A1

    公开(公告)日：2024-05-30

    申请号：US18387036

    申请日：2023-11-05

    Applicant: Yanmar Holdings Co., Ltd.

    Inventor： Satoshi Kitahara

    IPC: E02F9/08 ,  B60L58/26

    CPC classification number: E02F9/0866 ,  B60L58/26 ,  B60L2200/40

    Abstract: A hydraulic excavator as an electric work machine includes a plurality of electric devices, a first heat exchanger that cools a refrigerant passing through at least one of the plurality of electric devices, a hydraulic pump that is driven by any one of the plurality of electric devices and discharges hydraulic oil, a second heat exchanger that cools the hydraulic oil, and a fan that takes outside air into an interior of a machine body. The first heat exchanger is arranged on an upstream side of the fan in a flow direction of the outside air flown by the fan, and the second heat exchanger is arranged on a downstream side of the fan in the flow direction of the outside air.

    HOSE CLAMP STRUCTURE AND WORKING MACHINE
    7.
    发明公开
    HOSE CLAMP STRUCTURE AND WORKING MACHINE 审中-公开

    公开(公告)号：US20240125095A1

    公开(公告)日：2024-04-18

    申请号：US18536807

    申请日：2023-12-12

    Applicant: KUBOTA CORPORATION

    Inventor： Kazuyuki HATTA

    IPC: E02F9/22 ,  B60R16/08 ,  E02F9/08 ,  F16L5/00

    CPC classification number: E02F9/2275 ,  B60R16/08 ,  E02F9/0866 ,  F16L5/00 ,  E02F9/2285

    Abstract: A hose clamp structure includes a vertical plate having an opening, a groove portion provided at a back side of the vertical plate on one side of the opening, the groove portion being open toward the opening, a receiver portion provided at the back side of the vertical plate on the other side of the opening, a first clamping member to be inserted in the groove portion, an elastic second clamping member configured such that the second clamping member is placed in the receiver portion through the opening to contact the receiver portion and such that hose(s) passing through the opening is held between the first clamping member and the second clamping member, and a pressing member to be attached to the vertical plate to press the second clamping member from the front side to elastically deform the second clamping member to press the first clamping member.

    ARRANGEMENT STRUCTURE FOR A CONSTRUCTION MACHINE COOLING FAN
    8.
    发明公开
    ARRANGEMENT STRUCTURE FOR A CONSTRUCTION MACHINE COOLING FAN 审中-公开

    公开(公告)号：US20240084552A1

    公开(公告)日：2024-03-14

    申请号：US17768205

    申请日：2020-10-08

    Applicant: Caterpillar SARL

    Inventor： Takuya NISHIOKA

    IPC: E02F9/08 ,  B60K11/04 ,  B60K11/08

    CPC classification number: E02F9/0891 ,  B60K11/04 ,  B60K11/085 ,  E02F9/0866

    Abstract: To achieve the improvement of maintainability, simplification of structure, upon arranging a cooling fan on an outdoor side of a heat exchanger. To configure such that heat exchangers are arranged so as to face an openable/closable cover in a closed state, in a main accommodating chamber having an opening part which is opened or closed by the openable/closable cover; on the other hand, cooling fans are mounted in the operable/closable cover, and the cooling fans faces heat exchangers to supply cooling air in the closed state of the openable/closable cover; on the other hand, the cooling fans are separated from the heat exchangers in an open state of the openable/closable cover to allow the heat exchangers to be accessible from the opening part.

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