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Hybrid electric vehicle powertrain with an all electric drive mode

一种混合动力电动、车辆动力的技术，应用在混合动力车辆、机动车、通用动力装置的多个不同原动机的布置等方向

Active Publication Date: 2010-02-10
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This raises questions about the durability of the transmission and generator bearings

Method used

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  • Hybrid electric vehicle powertrain with an all electric drive mode
  • Hybrid electric vehicle powertrain with an all electric drive mode
  • Hybrid electric vehicle powertrain with an all electric drive mode

Examples

Experimental program
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Embodiment Construction

[0021] figure 1 A schematic diagram showing the structure of a known hybrid electric vehicle powertrain. It includes an electric motor 10 with a rotor 12 and a stator 14 . Rotor 12 is drivably connected to gear 16 which meshes with countershaft gear 18 . A companion gear 20 drivably engages a gear 22 of a differential-axle assembly 24 that drives the vehicle traction wheels. Connected to the power input shaft 28 of the planetary gear set 30 is the engine 26, which may be an internal combustion engine or any other suitable vehicle engine (eg, spark ignition or diesel). A transmission oil pump 32 may be geared to shaft 28 .

[0022] The planetary gear set includes a ring gear 32 , a sun gear 34 and a planet carrier 36 . Sun gear 34 is drivably connected to rotor 38 of generator 40 . As shown, the stator 42 of the generator 40 is electrically connected to a high voltage converter 44 and a DC / DC high voltage converter 46 which is electrically connected to the battery. (Batte...

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PUM

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Abstract

A parallel hybrid electric vehicle powertrain is disclosed. A gearing assembly mechanically couples an engine, an electric motor and an electric generator. During all-electric drive using the motor as a power source with the engine off, a clutch in the gearing assembly isolates elements of the gearing assembly from a power delivery path to vehicle traction wheels.

Description

technical field [0001] The present invention relates to a hybrid electric vehicle powertrain having a transmission having gear elements for establishing separate power flow paths from two power sources to the vehicle traction wheels. Background technique [0002] Known hybrid electric vehicle powertrains have dual power flow paths between the engine and the vehicle traction wheels that allow the vehicle to operate at maximum performance by managing the power output from each power source The power flow path and the power flow path between the electric motor and the traction wheel. This includes managing the health of the engine, electric motor, generator and battery. [0003] The battery, generator and electric motor are electrically connected. The vehicle system controller interfaces with the transmission control module to ensure power management that maintains optimum performance and drivability. [0004] The powertrain may include a transmission defining a parallel pow...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K6/20B60K6/38B60K6/36
CPCB60W20/00Y02T10/6286Y02T10/6239B60W10/06B60K6/387F16H2037/0866B60K6/445B60W10/26B60W10/02B60W10/08Y02T10/62B60K6/38B60K6/40B60K6/48B60K6/50B60W20/40
Inventor 沃尔特·约瑟夫·欧特曼沙雷斯·斯坎特·柯扎雷卡尔
Owner FORD GLOBAL TECH LLC
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