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Transmission oil cooling approaches in powertrains

Transmission oil cooling approaches in powertrains

Publication Date: 26/11/2021

The modern transmission is now a very sophisticated piece of kit with intelligent control units, predictive and self-learning programming, multiple gears (8 to 9 speed are becoming common, with 10-speed transmissions now making an appearance), faster shift speeds, and superior noise, vibration, and harshness (NVH).

Some of the advanced transmission configurations need a higher degree of heat management, in which case, an internal transmission oil cooler (TOC) is insufficient. These transmissions are often equipped with a heat exchanger known as the external TOC.

Maintaining the transmission fluid’s temperature, especially that of the automatic transmission fluid (ATF), plays a critical role in the transmission’s optimum operation and longevity.

This report provides an understanding of the TOC technology and market trends for light vehicles, an in-depth outlook of global and regional demand patterns, and an overview of the main players and market drivers at global and regional levels.

1. Overview
a) Report summary
b) Research methodology
c) Definitions

2. Technology analysis
a) Transmitting power
b) Changing gears manually
c) Shifting away from the manual transmission
d) Transmission fluid
e) Cooling the ATF

3. Market analysis
a) Global markets
b) Regional markets
c) Supplier analysis

4. Key takeaways

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