In today’s automotive industry, efficient thermal management has become one of the key enablers of performance, safety, and sustainability. From traditional internal combustion engines (ICE) to new energy vehicles (NEVs) such as battery electric vehicles (BEVs) and hybrid vehicles, the coolant pump plays a central role in ensuring optimal operating temperatures for batteries, motors, controllers, and turbocharged engines.

As the market shifts toward electrification, three major types of electric coolant pumps (EWP) have become widely adopted:

1. Brushless DC Motor Pumps (BLDC Pumps)

This is currently the most common and widely applied type of electric coolant pump in vehicles today.

Technology: Powered by permanent magnet brushless motors, eliminating carbon brush wear.

Advantages: Compact size, high efficiency, low noise, and long service life.

Applications:

Battery thermal management in pure EVs

Cooling of traction motors and inverters

Turbocharged engine cooling

Hybrid engine cooling

Shinhoo EPL350M-00 is an example of a BLDC coolant pump designed for new energy vehicles, providing reliable circulation with excellent energy efficiency.

2. High-Flow / High-Voltage Coolant Pumps

As BEVs require more powerful cooling solutions, high-flow and high-voltage (48V or HV) coolant pumps are increasingly used.

Purpose: Deliver greater flow rates and head pressure compared to traditional 12V pumps.

Capability: Manage multiple cooling circuits simultaneously, such as batteries, traction motors, and power electronics.

Applications: Found in leading EV models, including Tesla, BMW i series, and Mercedes-Benz EQ series.

Shinhoo EPH1500H-00 provides robust high-flow performance, making it suitable for large-capacity battery packs and integrated cooling loops.

3. Smart Controlled Electric Water Pumps (Smart EWPs)

The next generation of coolant pumps integrates intelligent control systems for optimized thermal management.

Technology: Equipped with an electronic control unit (ECU).

Functionality: Adjusts pump speed dynamically based on temperature sensors and real-time vehicle conditions

Advantages:

On-demand cooling reduces overall energy consumption

Enhances system efficiency

Extends EV driving range

Shinhoo EPL160M-00 is designed with intelligent control features, offering precise cooling solutions for advanced EV platforms.