Zimmermann & Partner Patentanwälte mbB

A method and a system for power system state estimation are provided. The system can include one or more processors and a memory storing computer instructions, which when executed cause the system to a system can comprise one or more processor and a memory storing computer instructions. The computer instructions, when executed by the one or more processors, can cause the one or more processors to acquire, from remote terminal units, measurement data of a plurality of parameters of a power system, acquire network topology data of the power system, and determine estimates of a plurality of states of the power system using the measurement data, the network topology data and a semi definite relaxation formulation. The semidefinite relaxation formulation can include a convex lower bound approximation of a rank function of an augmented state matrix.

The chainsaw (100) includes a guide bar (116), a chain (126), a housing (104), a sprocket (128), and a reset lever (130). The guide bar (116) may include an outer track. The chain (126) may be movably coupled to the outer track. The housing (104) may define an interior (122). The drive sprocket (128) may be mounted on the housing (104) in mechanical communication with the chain (126) to motivate movement thereof. The reset lever (130) may be attached to the drive sprocket (128). The reset lever (130) may be longitudinally movable with the sprocket (128) relative to the housing (104) to vary tension at the chain (126)

A cycloidal marine propulsion system with a rotating wheel for receiving a plurality of blades, a rotor element configured to receive a torque for rotating the rotating wheel, and an adapter ring is provided. The rotor element comprises a rotor of an electric motor or a gear ring. The adapter ring is separably connected to the rotor element and separably connected the rotating wheel.

Die Erfindung umfasst eine Kabelkonfektioniervorrichtung zum Konfektionieren eines Kabels, wobei die Kabelkonfektioniervorrichtung aufweist: eine Crimpeinheit, wobei die Crimpeinheit eine erste Crimpwerkzeug-Baugruppe mit einem ersten Crimpwerkzeug und eine entlang einer Arbeitsachse gegenüberliegende zweite Crimpwerkzeug-Baugruppe mit einem zweiten Crimpwerkzeug aufweist, wobei die erste Crimpwerkzeug-Baugruppe und die zweite Crimpwerkzeug-Baugruppe entlang der Arbeitsachse relativ zueinander bewegbar angeordnet sind, um die Crimpeinheit zu öffnen und zu schließen, wobei die zweite Crimpwerkzeug-Baugruppe gestaltet ist, um bei einem Schließen der Crimpeinheit das erste Crimpwerkzeug seitlich auszurichten.

Embodiments of the present disclosure relate to a method, a controller, a vehicle heating system and a program product for heating a target position of a vehicle. The vehicle includes an inverter (104) for conversion between AC and DC between a motor (124) and a battery (108) of the vehicle. The inverter (104) includes a plurality of switching elements and a plurality of diodes connected in parallel with the plurality of switching elements. The method (200) comprises: controlling (202) the plurality of switching elements of the inverter so that the AC flows through at least one of the plurality of diodes to generate additional heat; and controlling (204) a coolant system of the vehicle to transfer the additional heat generated by the inverter to a target position of the vehicle for heating.

According to an embodiment, an azimuthing propulsion unit is described. The azimuthing propulsion unit comprises a rotatable drive end (DE) inner shaft, a rotatable DE outer shaft, wherein the DE inner shaft runs at least partially within the DE outer shaft, and a DE inner bearing arranged between the DE outer shaft and the DE inner shaft, wherein the DE outer shaft comprises at least one hatch.

A method for selecting and/or configuring a drive device for a rotational electric machine, particularly upgrading and/or modernizing an existing drive device, includes obtaining (101) characteristic data of the rotational electric machine, the characteristic data including one or more of a type code, a service history, a field of application, a motor parameter; determining (102) a parametrization for the rotational electric machine based on the characteristic data, the parametrization including one or more of a rated speed, a maximum speed, a rated torque, a maximum torque, a continuous use indicator; and selecting and/or configuring (110) the drive device based on the parametrization.

A marine propulsion unit with a motor air cooling system and a contra rotating motor having an inner rotor and an outer rotor, wherein the contra rotating motor comprises a perforated tube with a plurality of radial openings, the perforated tube being configured to transmit a torque of the outer rotor to a propeller unit and to support an outer rotor winding; the motor air cooling system comprises at least one ingoing air channel and at least one outgoing air channel; and the at least one ingoing air channel is connected to the at least one outgoing air channel via at least some of the plurality of radial openings of the perforated tube.

An example system includes at least one implantable medical device configured to measure impedance and sense at least one or more physiological signals of a patient; and processing circuitry configured to: determine an occurrence of a cough of the patient based on at least one of the physiological signals; determine a classification of the cough based on the measured impedance; and output an indication of the classification of the cough.

Embodiments of the present disclosure relate to a sealing unit for an azimuthing propulsion unit. The propulsion unit comprises a rotatable inner shaft and a rotatable outer shaft, wherein the inner shaft runs at least partially within the outer shaft and wherein the outer shaft runs at least partially within a sealing housing of a pod. The sealing unit comprises: a plurality of chamber systems, wherein each chamber system comprises an inner shaft seal chamber, an outer shaft seal chamber and a passage through the outer shaft fluidly connecting the inner chamber and the outer shaft seal chamber; an inner shaft sealing between the inner shaft and the outer shaft, wherein the inner shaft sealing seals the inner shaft seal chambers of the plurality of chamber systems; and an outer shaft sealing between the outer shaft and the sealing housing, wherein the outer shaft sealing seals the outer shaft seal chambers of the plurality of chamber systems. Further embodiments relate to a method for servicing a sealing unit in an azimuthing propulsion unit.