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Electric coolant pumps are the electrified version of mechanical coolant/ water pumps which were driven by engine power earlier. They help save cold start emissions by warming up the engine quickly and limit excessive coolant flow when not required.
The global auto production has almost peaked and we don’t expect a CAGR of more than 2% till 2030. But, there are various segments within the auto industry which are growing declining at a rapid pace. Electric coolant pump market happens to be one of the fastest growing segments.
To know more about Global Automotive Electric HVAC Compressor Market, read our report
European OEMs were the first adopters of electric coolant pump in early 2010s and by 2014-15 timeframe electric coolant pump penetration in Europe went up to 34%.
VW group, the biggest player in Europe with 24% market share has electric coolant pump in EA288, EA211, EA888 engines, which are used across various platforms and brands within the group.
Many OEMs have now developed their new range of power dense engines (with higher pressure GDI) and thus integrated electric coolant pump to improve fuel efficiency. Almost all new engines which now have 48V ISG to improve emissions have electric coolant pump and electric HVAC(scroll) compressor.
In the North American market, Ford has equipped select Eco boost engines with electric coolant pump whereas GM adopted electric coolant pump on select higher volume models post 2010.
To know more about Global Automotive Pumps Market, read our report
A major truck and bus OEM has placed an order with Concentric AB for the manufacture of electric coolant pumps for a new line of electric vehicles. This is the third application for the Concentric electric pump technology that has been put forward; in this instance, it relates to a water pump that is powered by electricity and regulates the battery pack’s temperature.
The variable pressure and speed control capabilities of the electric coolant pump from Concentric, along with the added advantages of low noise, allow for system power savings.
Pumps for oil, coolant, and fuel can all be used in conjunction with the modular motor and controller solution. The Concentric electric pump’s use of a wet rotor design is one of its primary advantages.
This eliminates the potential dynamic seal failure scenario and is a crucial component in meeting the stringent service life standards. The Concentric electric coolant pump uses a superb hydraulic pump and a permanent magnet electric machine with great efficiency.
A smart communication interface on the new electric coolant pump product allows for on-demand pressure and flow management. Compared to conventional mechanical drive systems, this greatly lowers system losses and guarantees top performance.
In BMW`s new Inline Six cylinder engine showcased in Nov 2019, the cooling solution comprises a high-temperature and a low-temperature circuit, supplemented with indirect charge air cooling. A split-cooling valve makes allows temporary shut down of crankcase cooling, improving engine warm up and reducing cold-start emissions.
” The global electric coolant pump market size is estimated at $4.4 Billion in 2020 and estimated to grow at 9% CAGR till 2025″.
Although, annual EV sales stagnated in 2019 to 2.2 Million units but growing volume of high capacity Li-ion battery packs in BEVs represent a strong opportunity for electric coolant pump suppliers in coming years. In many EVs electric coolant pumps are used in conjunction with electric oil pumps in driveline application.
The new range of 6 cylinder engines (>3L capacity) represent an important segment. For Example, the new engines developed by Mercedes now have a 950W electric coolant pump instead of 400W coolant pump earlier.
In passenger cars and LCVs which account for ~90 Million engines produced per annum, more than 94% of them are produced in-house by the car manufacturers.
China accounted for 57.4%(~62 GWh) of global EV installed battery capacity in 2019. Every EV battery needs liquid cooled Battery Management System and electric coolant pumps have a pivotal role in smooth functioning of BMS.
The average battery capacity of BEVs differs widely per region. In Europe, it is ~54kWh, In China it is ~42kWh and highest in US at ~60kWh. For PHEVs almost all regions had similar avg battery capacity of 11-12kWh
Different OEMs have different battery cooling requirement. For example, Audi’s battery cooling system introduced in Dec 2019 on Q7 PHEV, also includes cooling the charger and forms a separate low-temperature circuit. If needed, it can also be connected to the coolant circuit for HVAC or the second low-temperature circuit, which cools the electric powertrain.
In the 2020 Audi E-Tron, coolant volume flow in the circuit has been reduced, which decreases load on the electric coolant pump. The new cooling system was designed to provide high power DC charging for a longer duration without compromising battery life.
In KIA E-Niro , in the 64 kWh pack there are three coolant sub-loops running through the five battery modules. One sub-loop runs through the driver-side floor module, the second one through the passenger-side floor module and the third sub-loop through the middle floor module.
The electric coolant pump market competitive landscape is consolidated and regionalized. Due to high complexity and robust validation required by OEMs for pumps to be used in automotive application, the threat of new entrants is very low.
But, due to growing opportunity in electric coolant pump market, many conventional coolant pump manufacturers have already started new product development and will soon enter this segment. Thus, we expect the competitive landscape to change significantly in coming years.
Continental, Schaeffler and Bosch account for significant market share in Europe whereas Rheinmetall and Aisin have significant presence in the Asian market.
Buhler motor and Johnson electric are well established in the North American market and supply their products to many high-volume platforms.
Many electric coolant pump suppliers have now developed 48-volt version with output of >800 watts, which are better suited for electrified vehicles. Pierburg(Subsidiary of Rheinmetall) has now developed electric coolant pumps for 400V and 800V architecture.
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