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Lubrication Pumps for Powertrains in Heavy-Duty Trucks Reliable Oil Supply for High-Load Transmission Systems
Requirements for Lubrication Pumps in the Powertrain of Modern Commercial Vehicles
In heavy-duty trucks, transmissions operate under constantly high mechanical loads. Long inclines, high tractive forces, frequent load changes, and varying driving conditions place high demands on the lubrication of all moving components. A reliable oil supply is crucial for reducing friction, dissipating heat, and maintaining a stable lubricating film between the gear flanks.
Modern lubrication pumps must not only deliver a specified flow rate but also be capable of being integrated into compact gear unit designs. At the same time, they are expected to offer high operational reliability, low maintenance requirements, and consistent flow performance across the entire operating range.
Gerotor pumps meet these requirements thanks to their positive displacement principle and space-saving design. Particularly in applications with alternating directions of rotation, reversible gerotor pumps can help ensure a continuous oil supply without unnecessarily complicating the system architecture.
Gear pumps as a component of modern transmission lubrication systems
Gerotor pumps deliver lubricating oil with consistent displacement characteristics, regardless of changing operating conditions. This makes them particularly suitable for gearbox applications where a constant oil supply is more important than high delivery pressures.
Thanks to their compact design, they can be integrated directly into existing gearbox systems. The small number of components reduces design complexity and supports a robust system configuration. For applications with alternating directions of rotation, reversible versions are available that can maintain the flow of lubricating oil even when the direction changes.
Reversible models for applications with alternating directions of rotation
High durability for demanding operating conditions
Proportional flow characteristics across a wide operating range
Flexible integration into customer-specific transmission designs
E-mobility places special demands on transmission lubrication.
Unlike conventional drives, the maximum torque of an electric motor is available almost immediately, placing heavy loads on gears and bearings even during acceleration. Reliable and demand-based lubrication is therefore crucial for maintaining a stable lubricating film, reducing friction, and safely dissipating thermal loads in the transmission. SCHERZINGER gear and Gerotor pumps ensure a constant oil supply regardless of engine speed, thereby supporting stable transmission lubrication under dynamic load conditions. As a result, they contribute to powertrain efficiency, operational reliability, and component service life in electrified vehicle applications.
If you are interested in an application-specific design or integration into your electric drive or transmission system, please feel free to contact us.
Can it be a bit more individual? No problem!
SCHERZINGER will also gladly realize individual, application-specific gear pumps and conveyance systems for you. Let us become your partner in ideas for your application and please ask us about options for individualization:
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