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公开(公告)号：US11125252B2
公开(公告)日：2021-09-21
申请号：US16800973
申请日：2020-02-25
申请人： PACCAR Inc
发明人： Donald Carl , Bill Werner , Floyd Hendrix , Jacob Smarker
摘要： A hydraulic system may include a reservoir of hydraulic fluid, a hydraulic pump, a directional control valve, a hydraulic work loop, a bypass valve, and a hydraulic motor, as well as a plurality of hydraulic conduits interconnecting such components. When excessive hydraulic backpressures are encountered, the system may employ one or more bypass valves and one or more bypass conduits to automatically, and in an on-demand manner, return some or all of the hydraulic fluid from the hydraulic motor to the hydraulic reservoir without the hydraulic fluid passing through flow constrictions causing the excessive hydraulic backpressures.
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公开(公告)号：US20200325917A1
公开(公告)日：2020-10-15
申请号：US16800973
申请日：2020-02-25
申请人： PACCAR Inc
发明人： Donald Carl , Bill Werner , Floyd Hendrix , Jacob Smarker
摘要： A hydraulic system may include a reservoir of hydraulic fluid, a hydraulic pump, a directional control valve, a hydraulic work loop, a bypass valve, and a hydraulic motor, as well as a plurality of hydraulic conduits interconnecting such components. When excessive hydraulic backpressures are encountered, the system may employ one or more bypass valves and one or more bypass conduits to automatically, and in an on-demand manner, return some or all of the hydraulic fluid from the hydraulic motor to the hydraulic reservoir without the hydraulic fluid passing through flow constrictions causing the excessive hydraulic backpressures.
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