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公开(公告)号：US11441491B2
公开(公告)日：2022-09-13
申请号：US17239847
申请日：2021-04-26
申请人： Yanmar Co. Ltd.
发明人： Isao Takagishi , Masaki Nanko , Ryota Iwano , Hiroyuki Machiyama , Kenichi Nakaguchi , Yusei Fukuda
摘要： Provided is a fuel injection device for engines, configured using a technique which can extend service life while good responsiveness is maintained. This fuel injection device for engines is provided with: a control rack supported so as to be slidable in an axial direction and configured so that the amount of fuel delivered under pressure by a fuel pumping mechanism can be adjusted by changing the sliding position of the control rack in the axial direction; an actuator which can move forward and backward an operation section; and a link lever which is supported in a rockable manner by a support shaft and which rocks as the operation section of the actuator moves forward and backward, thereby sliding the control rack. The fuel injection device for engines is further provided with an actuator-side connection section for connecting the operation section of the actuator to the link lever. The actuator-side connection section is disposed coaxially with the operation section of the actuator.
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公开(公告)号：US20210239055A1
公开(公告)日：2021-08-05
申请号：US17239847
申请日：2021-04-26
申请人： Yanmar Co. Ltd.
发明人： Isao Takagishi , Masaki Nanko , Ryota Iwano , Hiroyuki Machiyama , Kenichi Nakaguchi , Yusei Fukuda
摘要： Provided is a fuel injection device for engines, configured using a technique which can extend service life while good responsiveness is maintained. This fuel injection device for engines is provided with: a control rack supported so as to be slidable in an axial direction and configured so that the amount of fuel delivered under pressure by a fuel pumping mechanism can be adjusted by changing the sliding position of the control rack in the axial direction; an actuator which can move forward and backward an operation section; and a link lever which is supported in a rockable manner by a support shaft and which rocks as the operation section of the actuator moves forward and backward, thereby sliding the control rack . The fuel injection device for engines is further provided with an actuator-side connection section for connecting the operation section of the actuator to the link lever. The actuator-side connection section is disposed coaxially with the operation section of the actuator.
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公开(公告)号：US11041448B2
公开(公告)日：2021-06-22
申请号：US16652420
申请日：2018-08-08
申请人： Yanmar Co. Ltd.
发明人： Isao Takagishi , Masaki Nanko , Ryota Iwano , Hiroyuki Machiyama , Kenichi Nakaguchi , Yusei Fukuda
摘要： A technology that can extend the life of a fuel injection device of an engine while maintaining its good responsiveness is provided. A fuel injection device 100 for an engine includes: a control rack 55 supported to be slidable in an axial direction and capable of adjusting of a fuel pressure-feed amount of a fuel pressure-feed mechanism unit 51, based on its slide-position relative to the axial direction; an actuator 40 capable of reciprocating its operating unit 41; and a link lever 20 swingably supported by a pivot shaft member 25 and configured to swing in association with reciprocation of the operating unit 41 of the actuator 40 thereby causing the control rack 55 to slide, wherein the fuel injection device includes an actuator-side connecting part 20A connecting an operating unit 41 of the actuator 40 to the link lever 20, and the actuator-side connecting part 20A is positioned on the same axis as the operating unit 41 of the actuator 40.
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公开(公告)号：US10718305B2
公开(公告)日：2020-07-21
申请号：US15779477
申请日：2016-11-11
申请人： Yanmar Co., Ltd.
发明人： Masaki Nanko , Yuji Shiba , Ryosuke Okamoto , Tetsu Hattori
IPC分类号： F02M63/00 , F02M59/28 , F02M59/44 , F01M9/10 , F02D1/02 , F02M41/14 , F02D1/10 , F02M41/06 , F02M53/00 , F02M59/10 , F02M59/42
摘要： A fuel injection pump for a diesel engine, including: a control rack arranged in a rack chamber formed between a pump head and a pump housing, and configured to adjust a fuel injection amount; a transmission shaft rotatably supported by a transmission shaft hole formed in the pump housing; and a lubricating oil passage formed in the pump housing, and configured to pressure-feed lubricating oil between the transmission shaft and the transmission shaft hole. The transmission shaft has an oil passage therein through which passage the lubricating oil pressure-fed to the lubricating oil passage partially passes, a first opening of the oil passage is communicated with the lubricating oil passage, and a second opening of the oil passage is formed on the outer circumferential surface of an upper portion of the transmission shaft, nearby the control rack.
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公开(公告)号：US20200284208A1
公开(公告)日：2020-09-10
申请号：US16652420
申请日：2018-08-08
申请人： Yanmar Co., Ltd.
发明人： Isao Takagishi , Masaki Nanko , Ryota Iwano , Hiroyuki Machiyama , Kenichi Nakaguchi , Yusei Fukuda
摘要： A technology that can extend the life of a fuel injection device of an engine while maintaining its good responsiveness is provided. A fuel injection device 100 for an engine includes: a control rack 55 supported to be slidable in an axial direction and capable of adjusting of a fuel pressure-feed amount of a fuel pressure-feed mechanism unit 51, based on its slide-position relative to the axial direction; an actuator 40 capable of reciprocating its operating unit 41; and a link lever 20 swingably supported by a pivot shaft member 25 and configured to swing in association with reciprocation of the operating unit 41 of the actuator 40 thereby causing the control rack 55 to slide, wherein the fuel injection device includes an actuator-side connecting part 20A connecting an operating unit 41 of the actuator 40 to the link lever 20, and the actuator-side connecting part 20A is positioned on the same axis as the operating unit 41 of the actuator 40.
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