About 33 results
https://drivepatents.com/patents/1398065 · 1 Oct 2025
Provided is management device (30) that manages a plurality of power storage modules (M1) connected in parallel to load (60) with respective switches (RY1). Management device (30) has a first state where some of switches (RY1) connected to some of the plur...
https://drivepatents.com/patents/1394589 · 10 Sep 2025
This application provides a powertrain, a charging control method, and an electric vehicle. The powertrain is disposed between a direct current power supply and a power battery, and includes a motor control unit and a motor. The motor control unit includes...
https://drivepatents.com/patents/1394431 · 3 Sep 2025
A rotorcraft (1) comprising: a fuselage (2) arranged within a fuselage outer shell (2e); at least one main rotor located on top of the fuselage (2); at least one engine provided for driving the at least one main rotor; and at least one energy source storag...
https://drivepatents.com/patents/1396431 · 30 Jul 2025
This application provides a motor shaft, a motor, and an electric vehicle. The motor shaft includes a shaft body and an insulation coating. The shaft body includes a first mounting portion and a second mounting portion that are fastenedly connected. A posi...
https://drivepatents.com/patents/1399180 · 9 Apr 2025
The present specification provides a riveting structure of an electrode terminal and a secondary battery including the same, the riveting structure including a battery can opened at one side thereof, an electrode terminal riveted through a through-hole for...
https://drivepatents.com/patents/1396644 · 27 Nov 2024
When a first generator (46a) is stopped, an electric motor control section (90) reduces the output power of a VTOL electric motor (20V) and a cruise electric motor (24C) that operate with electric power supplied from the first generator (46a), and increase...
https://drivepatents.com/patents/1397344 · 20 Mar 2024
The disclosure relates to an electric aircraft propulsion assembly (300) for an electric vertical takeoff and landing, eVTOL, aircraft (100), the assembly (300) comprising: an electric storage unit (302); a first electric motor (303) connected to power a f...
https://drivepatents.com/patents/946768 · 20 Jan 2016
Device for storage of electrical energy of high capacity (MEESD) using batteries (1) of electric vehicles (EVB) connected by power electronics devices (2), allowing the connection of individual batteries present in the necessary configurations. The mechani...
https://drivepatents.com/patents/947265 · 6 Jan 2016
A pulse width modulation resonance converter is provided that includes a transformer and a switching unit including first to fourth switches electrically connected to a primary coil of the transformer and configured to convert a DC voltage into an AC volta...
https://drivepatents.com/patents/956920 · 21 Oct 2015
Disclosed herein is a battery module including a plurality of plate-shaped battery cells mounted in a module case in a state in which the plate-shaped battery cells are sequentially stacked, wherein each of the plate-shaped battery cells includes an electr...