Powertrain for multi-purpose vehicles

By employing a longitudinally aligned engine and transmission layout in a multi-purpose vehicle, combined with a steel belt continuously variable transmission and differential, the power and ride requirements of the powertrain in a compact configuration are addressed, achieving flexibility and efficient power transmission for driving on narrow paths.

CN113119721BActive Publication Date: 2025-12-02POLARIS IND INC
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Patent Information

Application Number
CN202110053314.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2020-01-15
Filing Date
2021-01-15
Publication Date
2025-12-02
Estimated Expiration
2041-01-15

AI Technical Summary

Technical Problem

Existing powertrain systems for multi-purpose vehicles struggle to meet the needs of drivers and passengers in a compact configuration, especially when driving on narrow roads where power and ride comfort are insufficient, and the assembly of the engine and transmission is constrained by interference from other components.

Method used

The engine and transmission are arranged longitudinally, combined with a steel belt continuously variable transmission and a differential. The power transmission components are supported by a frame assembly. The engine is positioned in front of or behind the transmission and is connected to the ground contact component via a driveshaft. The driveshaft is operably connected to the transmission and differential to achieve power transmission.

Benefits of technology

It achieves the power and driving needs of multi-purpose vehicles in a compact configuration, adapts to various terrains, improves vehicle flexibility and power transmission efficiency, reduces vehicle width, and is suitable for off-road driving.

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Abstract

An off-road vehicle includes a powertrain assembly having an engine and a steel belt continuously variable transmission (CVT). A portion of the powertrain assembly is supported at the rear of the vehicle and positioned relative to other components of the vehicle also supported at the rear. The vehicle is also configured for a variety of different operating modes.
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