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    • 2. 发明申请
    • ENERGY STORAGE DEVICE, ENERGY STORAGE SYSTEM WITH THE SAME AND CONTROL METHOD, PRE-CHARGING CIRCUIT FOR AN ENERGY STORAGE DEVICE
    • US20230128816A1
    • 2023-04-27
    • US17966102
    • 2022-10-14
    • Torqeedo GmbH
    • Jens Biebach
    • H02J7/00H01M50/204H01M50/296H01M10/44H01M10/42H01M50/512B60L58/18
    • The present disclosure relates to an energy storage device for a water vessel, the energy storage device comprising: a first connection and a second connection, an energy storage unit with a first pole and a second pole, a first connection line between the first pole and the first connection and a second connection line between the second pole and the second connection, wherein the first connection line has a first node, which is connected with the first pole, and a second node, which is connected with the first connection, and wherein the second connection line has a fourth node, which is connected with the second pole and the second connection, a third connection line between the first node and the second node, with a third node and an inductance between the third node and the second node, and a fourth connection line between the third node and the fourth node with a free-wheeling diode, which is arranged for a current from the fourth node to the third node in forward direction, a first switching unit in the first connection line between the first node and the second node for switching a current from the first node to the second node and a third switching unit in the third connection line between the first node and the third node for switching a current from a first node to the third node, and a control unit, which is configured for controlling the first switching unit and/or the third switching unit for limiting the strength of a discharge current for the energy storage unit to a predefined discharge threshold value. The disclosure further relates to an energy storage system with at least two such energy storage devices and control method for the energy storage device and for the energy storage system and a pre-charging circuit.
    • 3. 发明申请
    • Folding Propeller for a Water Vehicle
    • US20220250727A1
    • 2022-08-11
    • US17591802
    • 2022-02-03
    • Torqeedo GmbH
    • Frank DespineuxLars Glatzer
    • B63H1/24
    • The present disclosure relates to a folding propeller (10) for a water vehicle, comprising a hub (12) which is drivable about a rotation axis (D) via a drive shaft, and a propeller blade (14) which is arranged on the hub (12) to be pivotable about a pivot axis (S) between a maximum closed position (P1) and a maximum open position (P2), wherein the pivot axis (S) defines, together with a normal (ND) to the rotation axis (D) which intersects the pivot axis (S), a maximum opening plane (EMax), wherein in the driven state and a pivot position of the propeller blade (14) in the region of the maximum open position (P2), at least one opening force acts upon the propeller blade (14) which results from rotation of the folding propeller (10) and in relation to the rotation axis (D) is directed substantially radially outwardly, wherein an effective force application point (EAP) of the opening force is arranged spaced from the maximum opening plane (EMax) and is substantially arranged in the closing direction (SR) of the propeller blade (14). The present disclosure further relates to a folding propeller (10) comprising a propeller blade (14) which has a reversal element (143) which is configured such that during rearward drive a reversed thrust (Freverse) acts upon the reversal element (143) and is directed substantially perpendicularly to the propeller blade longitudinal axis (LP) in the opening direction (OR) of the propeller blade (14).