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公开(公告)号：US20140238371A1
公开(公告)日：2014-08-28
申请号：US14185941
申请日：2014-02-21
Applicant: Yamabiko Corporation
Inventor： Takahiro Yamazaki , Shirou Yamaguchi , Ken Shirai , Masaru Nozawa
IPC: F02B75/02
CPC classification number: F02B75/02 , F02B25/02 , F02B25/16 , F02B33/04 , F02B2075/025
Abstract: The scavenging passage includes a wall surface that defines an orientation direction of a main scavenging gas flow spouting from the scavenging port to the cylinder chamber. In a boundary portion between the scavenging port and the scavenging passage, a wall surface located on an opposite side of the exhaust port is composed of an inclined surface inclined in a direction further away from the exhaust port than a wall surface of a deep portion of the scavenging passage. The scavenging port includes a rear wall surface located in a portion on the opposite side of the exhaust port. The rear wall surface continues to the inclined surface to extend in the direction away from the exhaust port and generates an incidental scavenging gas flow incidental to the main scavenging gas flow and higher in speed than the main scavenging gas flow.
Abstract translation: 扫气通道包括壁表面，该壁表面限定从扫气口喷射到气缸室的主扫气流的取向方向。 在扫气口与扫气通路之间的边界部分中，位于排气口相反侧的壁面由与排气口相反的方向倾斜的倾斜面， 清扫通道。 清扫口包括位于排气口的相对侧的一部分中的后壁表面。 后壁表面继续向倾斜表面延伸，远离排气口的方向延伸，并产生附着在主扫气体流中的清除气流，并且速度高于主扫气流量。
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公开(公告)号：US12191795B2
公开(公告)日：2025-01-07
申请号：US18318883
申请日：2023-05-17
Applicant: YAMABIKO CORPORATION
Inventor： Yusuke Minami
Abstract: A voltage fluctuation suppressing device for an alternating current generator provided in the alternating current generator and configured to suppress voltage fluctuation by excitation control based on an output voltage includes a processor, and a memory configured to be able to communicate with the processor. The processor is configured to: detect a load current of each of output terminals; identify in-use output terminals based on the detection of the load current; detect inter-terminal voltages of the output terminals including the identified output terminals; and control excitation by using an output voltage calculated from the detected inter-terminal voltages.
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公开(公告)号：US20250000031A1
公开(公告)日：2025-01-02
申请号：US18745037
申请日：2024-06-17
Applicant: YAMABIKO CORPORATION
Inventor： Makoto AKITA
IPC: A01G3/053
Abstract: An electric working machine with an operating rod includes an electric motor provided on the base end of the operating rod, a working device provided on the head end of the operating rod, and a power transmission shaft passing through the inside of the operating rod. This power transmission shaft is configured to transmit power from the electric motor to the working device. The operating rod includes a wiring space around the power transmission shaft to lay a lead wire. The lead wire is laid along a longitudinal direction of the power transmission shaft. The operating rod also includes a plurality of pull-out holes to pull connecting terminals of the lead wire out from itself.
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公开(公告)号：US20250000016A1
公开(公告)日：2025-01-02
申请号：US18751471
申请日：2024-06-24
Applicant: YAMABIKO CORPORATION
Inventor： MAKOTO AKITA
Abstract: An electric working machine with an operating rod includes an electric motor on the base end of the operating rod, a working device on the head end of the operating rod, and a power transmission shaft passing through the inside of the operating rod to transmit power from the electric motor to the working device. The working device includes a blade member and is pivotally supported on the head end of the operating rod to be able to take a storage posture. A detection switch on the head end of the operating rod detects the storage posture. A controller on the base end of the operating rod controls the operation of the electric motor. A lead wire in the operating rod transmits a detection signal from the detection switch to the controller. The controller prevents the electric motor from being driven when the detection switch detects the storage posture.
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公开(公告)号：US20240385618A1
公开(公告)日：2024-11-21
申请号：US18319855
申请日：2023-05-18
Applicant: YAMABIKO CORPORATION
Inventor： KENTARO SUGI , HARUKA ISHIHIRA
Abstract: A working robot system includes a working robot configured to perform work while autonomously traveling, and a non-energization wire configured to partition a working area or an active area of the working robot. The working robot includes a wire detector configured to detect the wire. The working robot system includes a controller configured to control the working robot to autonomously travel within a area partitioned by the wire, based on a detection signal from the wire detector.
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Patent Agency Ranking
公开(公告)号：US12097409B2
公开(公告)日：2024-09-24
申请号：US17797324
申请日：2021-02-08
Applicant: YAMABIKO CORPORATION
Inventor： Kentaro Sugi , Hidenori Hiraki , Koichi Nakatsugi
IPC: A63B47/02
CPC classification number: A63B47/021 , A63B2047/022
Abstract: Provided is a highly reliable, cost-effective scattered object collection system that can efficiently collect scattered objects by reducing unnecessary traveling of a traveling collector. The scattered object collection system includes a traveling collector that performs a collecting operation by picking up balls B while traveling in a work area W, sets a virtual work area Z (or a virtual priority work area Za) to an area in the work area W where balls are relatively densely present and in the vicinity of the storage space of balls, and allows the traveling collector to perform a collecting operation in the virtual work area Z (or the virtual priority work area Za) with higher priority than the other areas.
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公开(公告)号：US20240306555A1
公开(公告)日：2024-09-19
申请号：US18590274
申请日：2024-02-28
Applicant: YAMABIKO CORPORATION
Inventor： Hisao KODAMA
CPC classification number: A01G3/085 , B25F5/02 , A01G2003/0461 , A01G3/0475
Abstract: A hand-held drive apparatus comprises an apparatus main body including a pruner and a handle rotatably connected to the apparatus main body and including a rotation lock mechanism and a drive operation mechanism. The rotation lock mechanism includes a rotation lock lever movable to a rotation prevention position where the handle is prevented from rotating, and to a rotation allowance position where the handle is allowed to rotate. The drive operation mechanism includes a switch configured to control activation of the pruner and a throttle lever movable to a contact position where the throttle lever pushes the switch and to a non-contact position where the throttle lever is separated from the switch. The throttle lever contacts the rotation lock lever at the rotation allowance position to maintain the non-contact position, and is, when the rotation lock lever is at the rotation prevention position, allowed to move to the contact position.
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公开(公告)号：US20240252004A1
公开(公告)日：2024-08-01
申请号：US18410343
申请日：2024-01-11
Applicant: YAMABIKO CORPORATION
Inventor： Tomohisa UMEKI
Abstract: Provided is a vacuum capable of increasing the air flow with a larger volume of air sucked from a suction port and increasing the initial velocity (sucking rate) of sucked objects near the suction port, and also capable of smoothly feeding pressurized wind in a pipe and efficiently sucking objects to collect the sucked objects. An ejection port is provided near the suction port by a turn portion and an inner pipe. In addition, the ejection port is provided outward of a narrowest portion of the inner pipe, the narrowest portion being provided nearer to the base end than the ejection port.
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公开(公告)号：US20230396194A1
公开(公告)日：2023-12-07
申请号：US18318883
申请日：2023-05-17
Applicant: YAMABIKO CORPORATION
Inventor： YUSUKE MINAMI
Abstract: A voltage fluctuation suppressing device for an alternating current generator provided in the alternating current generator and configured to suppress voltage fluctuation by excitation control based on an output voltage includes a processor, and a memory configured to be able to communicate with the processor. The processor is configured to: detect a load current of each of output terminals; identify in-use output terminals based on the detection of the load current; detect inter-terminal voltages of the output terminals including the identified output terminals; and control excitation by using an output voltage calculated from the detected inter-terminal voltages.
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公开(公告)号：US11835022B2
公开(公告)日：2023-12-05
申请号：US17583197
申请日：2022-01-25
Applicant: YAMABIKO CORPORATION , OPPAMA INDUSTRY CO., LTD.
Inventor： Yuta Kobayashi , Takahiro Yamazaki , Yuichi Tsuyuki , Kohsuke Watanabe
CPC classification number: F02P5/1504
Abstract: Provided is an engine working apparatus capable of smoothly decelerating an engine. The engine working apparatus includes: an internal combustion engine including a piston reciprocally movable in a cylinder and a combustion chamber defined by the piston; an ignition plug configured to ignite air-fuel mixture in the combustion chamber; a detector configured to detect a rotation number of the internal combustion engine; and a controller configured to control an ignition timing of the ignition plug based on the detected rotation number, execute feedback control of determining the ignition timing based on a deviation between a target rotation number and the detected rotation number, and to execute the feedback control when the detected rotation number satisfies a predetermined deceleration condition.
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