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Nio Nextev Limited patents


Recent patent applications related to Nio Nextev Limited. Nio Nextev Limited is listed as an Agent/Assignee. Note: Nio Nextev Limited may have other listings under different names/spellings. We're not affiliated with Nio Nextev Limited, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "N" | Nio Nextev Limited-related inventors


Online detection method for internal short-circuit of battery

The present application relates to an online detection method for internal short-circuit of power battery, which comprises the following steps: in the process of charging and discharging, when the state of charge of a power battery is greater than a preset first threshold, monitoring and recording the voltage for each cell in the power battery; in accordance with the recorded historical voltages of each cell, determining whether there is a cell with voltage less than a second threshold in the process of charging, and less than a third threshold in the process of discharging, if so, then marking the corresponding cell as an internal short-circuited cell. The present application could accurately determine whether a malfunction of internal circuit of power battery occurs during the operation of a vehicle, so as to guarantee the safety of the vehicle and the people on-board.. ... Nio Nextev Limited

Multi-functional on-vehicle power converter and electric vehicle comprising the same

The invention relates to automotive electronic and electrical technology, and in particular, to a multi-functional on-vehicle power converter for electric vehicle as well as an electric vehicle comprising the multi-functional on-vehicle power converter. In the invention, by introducing two independent switches, a rectifying circuit, a filtering circuit, an output emc circuit and a corresponding control unit (e.g., a can communication circuit and a signal collecting circuit, etc.) can be shared among a conductive charging converter, an on-vehicle part of a wireless charging converter and a dc-dc converter, and a convenient and swift switch can be realized among the three operational modes. ... Nio Nextev Limited

Approach for second-time resource reservation based on smart repetitive booking

The present application relates to an approach for second-time resource reservation based on smart repetitive booking, which comprises: step 1, when an order is received, a first resource reservation is made in accordance with an information of the order, and an information of probability of a resource in a service area being successfully occupied; step 2, when an information of acknowledgement of a service object handover is received, a second resource reservation is made in accordance with the current time and the information of the order. When reserving a resource, the application may repetitively book the same resource based on the situation of the probability of the resource being occupied prior to each service, while making second-time reservation for the resource in the process of execution when confidence of the accuracy of reservation is high. ... Nio Nextev Limited

Motor rotor structure with copper conductive bars

The present application relates to the field of electric motor, particularly to a motor rotor structure with copper conductive bars. This application aims at solving the problem existed in the art, which is how to reduce stress concentration of the rotor iron core and how to avoid deformation of the copper end rings. ... Nio Nextev Limited

Powertrain of two speed transmission for electric-only vehicle

The present application relates to the field of vehicle transmission system, particularly to a powertrain of two speed transmission for electric-only vehicle. The present application aims at solving the problem existed in the prior art dual-clutch transmission, that is, occupying too much space and being unsuitable for other types of electric vehicles. ... Nio Nextev Limited

Power coupling system for electric vehicle, electric vehicle having the same and control method thereof

A power coupling system for electric vehicle, an electric vehicle having the same and a control method thereof are provided. Said power coupling system comprises a planet gear transmission mechanism comprising a sun gear, planet gears, a planet carrier and a ring gear, wherein the planet carrier is connected with the planet gears, and the planet gears mesh with the sun gear and the ring gear respectively; a clutch engaged with or disengaged from the ring gear in a controlled way; a main reduction gear set connected to an output shaft of the planet carrier; a differential connected to an output shaft of the main reduction gear set; a first motor for driving an input shaft of the sun gear of the planet gear transmission mechanism; and a second motor which drives the output shaft of the ring gear or the planet carrier in a controlled way.. ... Nio Nextev Limited

Current sampling and processing device and method for an inverter

The present invention provides current sampling and processing device and method for an inverter, wherein said method comprises: setting initialization parameters during initial start-up of the current sampling and processing process and subsequently enabling a pulse width modulation counter; triggering and implementing a current sampling operation when the value of the pulse width modulation counter equals to the value of the second comparison and matching parameter; calculating a value of a new first comparison and matching parameter based on the sampled current value and then actually updating the value of the first comparison and matching parameter into the calculated value of the new first comparison and matching parameter in the immediately following overflow or underflow time; outputting a voltage corresponding to the updated value of the first comparison and matching parameter to control on and off of a circuit device when the updated value of the first comparison and matching parameter equals to the value of the pulse width modulation counter. The device and method disclosed in the present invention have a short delay time.. ... Nio Nextev Limited

Battery swap connector and electric vehicle comprising the same

The invention relates to a battery swap connector and an electric vehicle comprising the same. The battery swap connector comprises: a plug at power battery end, on which a plug terminal is disposed; a socket at vehicle body end of electric vehicle, on which a socket terminal is disposed, with which the plug terminal is adapted to be insertedly connected; and an electronic lock device which comprises a mechanical lock-up mechanism which fixes a relative position of the plug and the socket after the inserted connection, and a lock-up state feeding mechanism which feeds a lock-up state of the mechanical lock-up mechanism to an entire vehicle controller of the electric vehicle.. ... Nio Nextev Limited

Bus-bar assembly, power battery over-load protection system and method, and power battery assembly

The invention provides a bus-bar assembly, a power battery over-load protection system and method, as well as a power battery assembly, wherein the bus-bar assembly comprises a first connection arm having one or more connection ends so as to be connected to an upstream battery cell; a second connection arm having one or more connection ends so as to be connected to a downstream battery cell; and a ptc unit connected between the first connection arm and the second connection arm. The bus-bar assembly, the over-load protection system, the power battery assembly and the vehicle or the like according to the invention has better safety and stability.. ... Nio Nextev Limited

Connector for liquid cooling battery pack of electric vehicle

A connector for liquid cooling battery pack of electric vehicle is provided. The connector comprises mounting plates and electrical terminals and cooling device interfaces disposed on the mounting plates. ... Nio Nextev Limited

Battery fixing bracket and battery pack

The invention relates to a battery fixing bracket and a battery pack comprising the same. A substrate of the battery fixing bracket has a rectangular shape and battery receiving spaces are defined in the substrate, the battery receiving spaces are uniformly arranged in a form of matrix in the substrate, and a through hole slightly smaller than battery end face is formed at the bottom of each battery receiving space; snap strips and snap grooves adjacent to four corners are integrally formed at sides of the battery fixing bracket, the snap strips and the snap grooves have mating shapes, and are alternately arranged in a circumferential direction of the battery fixing bracket; and a connecting hole is disposed in the middle portion of the battery fixing bracket in a perpendicularly penetrating manner.. ... Nio Nextev Limited

Method for testing battery cycle life based on environmental temperature

A method for testing battery cycle life based on environmental temperature is provided. The method comprises recording the daily average temperatures of a certain region in a year, categorizing the recorded daily average temperatures in the year, determining the proportion of the number of days of each temperature range to the total number of days in that year, determining the temperature conditions for the battery cycle life test according to the temperature ranges and thus determining the respective charge rates and discharge rates of the battery cycle life test according to the temperature conditions, and testing the battery according to the proportions, the temperature conditions and the charge and discharge rates under the temperature conditions to obtain the battery life cycle. ... Nio Nextev Limited

Method for vehicle auto-locking and system for vehicle auto-locking

The present application relates to a method for a vehicle auto-locking. The method comprises detecting using situation of the vehicle and status of door locks; and locking the door locks in case that the using situation of the vehicle meets predetermined requirement and the door locks are unlocked. ... Nio Nextev Limited








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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Nio Nextev Limited in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Nio Nextev Limited with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

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