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Aside from the trend toward increasingly automated driving and connectivity of diverse means of transportation, mobility of the future is primarily driven by climate change and environmental protection, and thus requires propulsion systems that reduce CO2 emissions, which are harmful to the global climate, and pollutant emissions, which are locally harmful to human health.
This equally applies to personal mobility, local and long-distance public transportation, and local and long-distance hauling of goods. Besides more eco-friendly propulsion systems for existing types of passenger cars and commercial vehicles, all-new vehicle concepts summed up under the heading of “micromobility” are currently in development. They are particularly intended for use in urban areas and their increasing parcel and other delivery traffic, and for bridging the so-called “last mile,” i.e. the distance between a commuter’s home and nearest means of public transportation.
All new generations of more eco-friendly vehicles, be they fully electric using a traction battery or the wide variety of hybrid versions, or using fuel cells for on-board electricity generation to power the electric traction motor, or vehicles propelled by gas engines, pose different challenges to the components of the respective propulsion systems and their associated energy storage and control units than previous systems.
For all sealing requirements supporting mobility of the future, Parker Prädifa offers suitable solutions.
Energy Storage Systems
Energy storage systems require sealing and shielding elements providing reliable protection against harmful environmental effects.
Battery System
The development and production of powerful energy storage systems is one of the central challenges facing mobility solutions of tomorrow. Whether for lithium-ion traction batteries or for 48-volt batteries supporting onboard electrical systems: Parker Prädifa offers an extensive product portfolio of housing, environmental, cable and ventilation systems for reliable protection of energy storage systems.
Hydrogen Storage Systems
In mobility of tomorrow, fuel cell propulsion systems, especially in the commercial vehicle sector, are playing an increasingly important part as well – not least due to the much shorter refueling time compared to the charging times of battery-electric vehicles. The hydrogen required for fuel cell powertrains is a highly diffusible and volatile element and typically stored under high pressure. For hydrogen systems, Parker Prädifa uses a special, intelligent seal design paired with low-permeation, mechanically robust low-temperature compounds.
Gas Tank Systems
Besides battery-electric, hybrid-electric and fuel cell vehicles, CNG-/LNG-, LPG- and biogas-powered systems are another alternative to diesel and gasoline engines. They pose special sealing technology challenges as well for which Parker Prädifa offers suitable solutions featuring a wide variety of materials.
Energy Converters
Electric Motors
In fully electric vehicles, the so-called e-axle is susceptible to performance-impairing environmental effects such as moisture and dirt. In addition, protection against thermal damage and adequate lubrication of the moving components is required. For the related protective devices such as housings and cooling units, Parker Prädifa offers an extensive portfolio of system-integrated sealing solutions.
Fuel Cells
Reliable sealing systems are required for sealing the individual components of the fuel cell stack and the fuel cell’s supply and discharge lines. Parker Prädifa offers an extensive portfolio of static seals such as O-rings and so-called PIP seals made from special rubber compounds with long-term stability.
CNG/LNG, LPG and Biogas Engines
For the specific sealing requirements of gas-powered vehicles, Parker Prädifa offers both standard and tailored sealing solutions which, in combination with suitable materials, ensure robust and reliable sealing performance.
Thermal Management
In electric vehicles, smart thermal management systems ensure thermal operating conditions with utmost stability. For sealing these components and cooling systems, Parker Prädifa offers an extensive portfolio of seals including multi-component parts with integrated sensors made from tailored materials.
Power Electronics
For sealing the various components of the power electronics of modern electric vehicles, Parker Prädifa offers suitable solutions ranging from simple housing seals to dimensionally stable compositive solutions, covers with integrated seals, EMI shielding and heat-dissipating components.
Transmission / Clutch
For the special requirements of all-electric and hybrid-electric vehicles, Parker Prädifa offers a wide range of solutions: from radial shaft seals for transmissions in all-electric vehicles to wipers, rod, piston or static seals for clutch systems of hybrid-electric vehicles.
