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Continuously Variable Transmission Oil Pumps

Custom-engineered oil pump systems for continuously variable transmissions. Designed for stable high-pressure supply, controlled flow delivery, low pulsation, and reliable lubrication across wide ratio and load ranges.

Continuously Variable Transmission Oil Pumps

High-Pressure Supply

Stable pressure for ratio and clamping control

Controlled Flow Delivery

Oil supply matched to CVT demand

Low Pulsation

Smooth hydraulic behavior under load

CVT-Specific Design

Adapted to belt, chain, and hybrid CVTs

Typical applications for CVT oil pumps

Where TPV engineering supports high-pressure hydraulic supply, ratio control, lubrication, cooling, and pressure stability in CVT systems.

Ratio & Clamping Pressure

Stable hydraulic pressure for pulley control, belt or chain clamping, and ratio adjustment across changing torque and speed conditions.

Lubrication & Cooling Flow

Oil delivery for variator components, bearings, gears, cooling circuits, and temperature-critical transmission areas.

Hybrid CVT Architectures

Pump concepts for CVT systems with start-stop, hybrid operation, compact packaging, and changing pressure and lubrication demand.

CVT System Integration

We adapt pump architecture, gear set, housing, and hydraulic interfaces to the CVT layout, pressure strategy, variator requirements, and available installation space.

Variator Circuit Integration

Pump concepts developed around clamping pressure, ratio control, lubrication paths, cooling demand, and stable hydraulic response.

Compact CVT Housing Integration

Integrated into tight CVT packages with attention to suction conditions, drive interface, mounting position, oil routing, and pressure-control paths.

Why choose Continuously Variable Transmission Oil Pumps?

CVT oil pumps must deliver stable high-pressure supply, controlled flow, reliable lubrication, and low pulsation across wide ratio ranges and changing torque demand.

Stable High Pressure

Reliable hydraulic supply for pulley control, clamping force, ratio adjustment, and pressure-sensitive CVT circuits.

Controlled Flow Behavior

Oil delivery engineered for lubrication, cooling, and hydraulic demand across dynamic speed and load conditions.

CVT-Specific Packaging

Pump systems adapted to compact CVT housing, suction path, drive interface, and hydraulic circuit constraints.

Core Technology

Duocentric-IC Gearing

Trochocentric-developed gearing for continuously variable transmission oil pump systems. Designed to support low pulsation, high volumetric efficiency, and stable hydraulic delivery under high-pressure CVT operating conditions.

Trochocentric Developed

Optimized clearances & Roll-off

Standard Gerotor

Higher Pulsation & Wear

  • Low pressure pulsation for high-pressure CVT hydraulics
  • Reduced leakage gaps for improved volumetric efficiency
  • Smoother tooth engagement for lower NVH emission
  • Suitable for variator, lubrication, and cooling pump concepts
Deep Dive: Trochocentric Tech
Duocentric-IC Technology

Key Performance Targets for CVT Oil Pumps

Low Noise / NVH Targets

Reduce pump-related noise, gear excitation, and structure-borne vibration in acoustically sensitive CVT powertrains.

Improve NVH

Stable High-Pressure Supply

Maintain reliable pressure for ratio control, clamping force, lubrication, and load transitions across wide CVT operating ranges.

Stabilize Pressure

More Flow in the Same Package

Increase hydraulic performance for pressure, lubrication, and cooling demand without expanding the available CVT pump envelope.

Optimize Packaging

Controlled Relief Valve Behavior

Reduce pressure oscillation and improve regulation behavior during cold start, ratio changes, load transitions, and warm-up.

Improve Regulation
How it works

From requirements to validated prototypes

A clear workflow tailored to your application, covering concept development, simulation, prototyping, validation testing, and series ramp-up with production partners.

development process
Learn more about our Development Process
1

Requirements

Kick-off & application review

Output:

Requirement specification + application targets

2

Concept

System layout & gear set design

Output:

3D design + initial drawings

3

Simulation

Hydraulic calculations & CFD

Output:

Hydraulic performance data + simulation results

4

Prototyping

Prototype manufacturing

Output:

Functional prototypes for test bench validation

5

Validation

Prototype test rig optimization

Output:

Validated pump system ready for production preparation

✓

Series

Ramp-up with production partners

Output:

Series-ready production setup with established partners

Validated Quality

Every prototype is optimized on our prototype test rig for high-pressure stability, controlled flow delivery, low pressure pulsation, low noise behavior, and reliable lubrication. CVT oil pump prototypes are typically available within 3–4 months after design freeze and are 100% tested with full test reports.

Prototype test rig optimization
100% tested with test reports
Typical prototype lead time: 3–4 months after design freeze

FAQs

Quick answers to practical engineering questions about CVT oil pump development, high-pressure supply, variator control, pulsation, NVH, and compact transmission integration.

Typical challenges include stable high-pressure supply, low pulsation, reliable clamping pressure, controlled flow for ratio changes, sufficient lubrication and cooling, compact packaging, and low NVH under variable operating conditions.

CVT systems rely on stable hydraulic pressure for pulley control, belt or chain clamping, and ratio adjustment. Pressure fluctuation can affect control accuracy, efficiency, durability, and drivability.

Often, yes. TPV can evaluate the available envelope, gear set, suction path, leakage gaps, pressure behavior, and pulsation level to identify improvements without redesigning the full transmission housing.

Useful inputs include pressure targets, clamping force requirements, ratio-control demand, flow demand, speed range, oil temperature range, suction path, packaging envelope, drive interface, and NVH or pulsation limits.

Prototype systems can be tested for high-pressure stability, flow delivery, pulsation, NVH behavior, leakage, power consumption, regulation response, and lubrication supply before series preparation.

Ideally before the pump envelope, hydraulic interfaces, and variator pressure strategy are frozen. Early involvement helps optimize pressure stability, packaging, pulsation behavior, and manufacturability.

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