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公开(公告)号：US20170237316A1
公开(公告)日：2017-08-17
申请号：US15435655
申请日：2017-02-17
发明人： Robert Filgertshofer
摘要： The present invention relates to a rotor shaft arrangement (1) for a rotor (R) of an electric motor, having a hollow shaft (2) for accommodating a rotor body (K), and a cooling body (3) which is arranged in the hollow shaft (2) and is in thermal contact radially with the hollow shaft (2) and has an axially continuously open structure (S), and therefore a cooling medium in the hollow shaft (2) can flow axially through the cooling body (3). Furthermore, the present invention relates to a rotor (R) with the rotor shaft arrangement (1) according to the invention and also to an electric motor with corresponding rotor (R). The invention also relates to a method for producing the rotor shaft arrangement (1).
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公开(公告)号：US11465196B2
公开(公告)日：2022-10-11
申请号：US16336499
申请日：2017-09-26
发明人： Robert Filgertshofer
摘要： A method for manufacturing a rotor shaft for an electrical aggregate, including providing a pin having a shaft plug-in, in particular a cylindrical shaft plug-in; producing a hollow rotor shaft body being open at least at a first end for receiving the pin and in form of a rotary body, where an oversize exists between at least one outer surface of the shaft plug-in and at least one inner surface of the rotor shaft body; and inserting the shaft plug-in into the rotor shaft body for fastening the pin to the rotor shaft body for finishing the rotor shaft, such that the process and operation of manufacturing a rotor shaft is simplified while at the same time reducing costs and material waste, and to produce a rotor shaft that can withstand high loads and transmit high torques.
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公开(公告)号：US20210276073A1
公开(公告)日：2021-09-09
申请号：US16336499
申请日：2017-09-26
发明人： Robert Filgertshofer
摘要： A method for manufacturing a rotor shaft for an electrical aggregate, including providing a pin having a shaft plug-in, in particular a cylindrical shaft plug-in; producing a hollow rotor shaft body being open at least at a first end for receiving the pin and in form of a rotary body, where an oversize exists between at least one outer surface of the shaft plug-in and at least one inner surface of the rotor shaft body; and inserting the shaft plug-in into the rotor shaft body for fastening the pin to the rotor shaft body for finishing the rotor shaft, such that the process and operation of manufacturing a rotor shaft is simplified while at the same time reducing costs and material waste, and to produce a rotor shaft that can withstand high loads and transmit high torques.
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