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公开(公告)号：US12085097B2
公开(公告)日：2024-09-10
申请号：US17781922
申请日：2020-12-03
发明人： Rupert Gappmaier , Florian Altenberger , Hans Knapp , Josef Stock , Alexis Dole , Callan Mackay
CPC分类号： F15B11/17 , E02F3/422 , E02F9/2225 , E02F9/225 , E02F9/2267 , E02F9/2292 , F15B13/06 , F15B2211/20576
摘要： The present invention relates to a switching valve block for a hydraulically actuable work machine that comprises a plurality of valve block inputs for a respective connection to a pressure output of one or more hydraulic fluid pumps, a plurality of valve block outputs for outputting a pressurized hydraulic fluid, and at least one valve that is arranged between valve block inputs and valve block outputs and is adapted to selectively produce a fluid connection between a first valve block input and a first valve block output or between a first valve block input and a second valve block output. The invention is characterized in that the first valve block output furthermore already has a fixed fluid connection to a second valve block input.
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公开(公告)号：US12011986B2
公开(公告)日：2024-06-18
申请号：US17889659
申请日：2022-08-17
摘要： The present invention relates to a work machine, in particular a wheeled loader, having an electric motor and having oil cooling that is suitable and intended to cool the electric motor and having a driving axle that has an oil reservoir, wherein a feed line from said oil reservoir to the electric motor and a discharge line from the electric motor to said oil reservoir are present and a pump is present to pump oil from the oil reservoir to the electric motor so that the electric motor is cooled by means of oil from the oil reservoir of the driving axle.
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公开(公告)号：US10942539B2
公开(公告)日：2021-03-09
申请号：US16099696
申请日：2017-05-11
发明人： Mario Hettegger , Manuel Bos , Hans Knapp , Christoph Kiegerl
摘要： The invention relates to a system for controlling a work machine, in particular a wheel loader, having at least one hand-held control device (6), in particular a joystick or steering wheel, at least one restoring device (8) in the form of one or more spring assemblies, which are connected to the hand-held control device in such a way a restoring force is exerted upon the hand-held control device by the spring assembly when said spring assembly is not in the central position. An adjusting device (9, 12, 13) which engages with the spring assembly such that an adjustment of the central position of the spring assembly can be carried out, is provided.
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