Digital Displacement® for industrial hydraulics

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Digital Displacement® technology

Most hydraulic pumps today have the same basic control mechanism that was first patented in 1893. The variable-angle swash plate pump has been a reliable way to transmit fluid power for over 120 years. Efforts have been made to digitize the mechanism with feedback and electronic control, but the underlying principle has limited benefits.

Digital Displacement® technology is a natively digital hydraulic innovation. It utilizes a radial piston machine which enables and disables cylinders in real time, using ultra-fast mechatronic valves.

These intelligent, digital controls mean a digitally-enabled machine is highly controllable and extremely efficient. The net result is:

  • Radically lower energy losses (typically less than a third of swashplate machines);
  • Dramatically faster response (typically ten times faster);
  • Reduction of annoying, high-frequency noise

Individual cylinders are only called into action when required to meet the load demanded, resulting in a pump with efficiency over 90 percent. The control of individual cylinders allows a single pump to have multiple independently-controllable services providing system innovators a platform to invent new architectures to unlock the capabilities of digital hydraulics.

By replacing a mechanical or hydraulic device with one which is electronically and digitally controlled, new possibilities of flow metering, response, system control, diagnostics (self-healing) and automation are now possible. The pump is able to create real time data for live streaming via telematics.

We are now offering Digital Displacement® hydraulics as single and dual pumps with multiple outlets, configured to meet every customer need.

At Danfoss Digital Displacement we aim to make the complex, simple, to reimagine your machine to be optimized and differentiated unlike any on the market. Owned by Danfoss and developed in Scotland over the last 25 years, digital hydraulic technology delivers productivity, response and efficiency that cannot be replicated elsewhere in the market.

Digital Displacement® for injection moulding

The need for switching dynamically between high flow/low pressure to High Pressure/low flow from one pump without the need for external valving and throttling loses will reap benefits in duty cycle and reduction in energy consumption.

Digital Displacement® for water jet machines

The response times dictated by this application in switching the cylinders between the stroke cycle has seen a huge improvement in spray control, this gives a more precise and smoother cutting edge.

Going for the root cause of our greatness

True digital control allows the Digital Displacement pump to operate with stability over a very wide pressure operating range giving the user the ability to finely control pressure at the cutting head for materials of widely varying hardness and thickness.

Digital Displacement® for hydraulic power units

With pressurized standby losses reduced by 90%, Digital Displacement pumps reduce your total demand for energy and cooling while prolonging the service life of your oil. Reduced losses into the oil can allow for a smaller hydraulic reservoir and reduced total oil volume.

Digital Displacement® center of excellence

Each Danfoss Digital Displacement pump will be assembled at our new global Digital Displacement manufacturing and R&D facility near Edinburgh, Scotland.

Here we have developed a ground-breaking, dynamic manufacturing facility which brings a new approach to precision assembly and will ensure quality at every stage.

The fully flexible facility has been custom designed from the ground up to assemble a new generation of Digital Displacement pumps for off-highway and industrial customers.

Production has already begun, with the first customer pumps rolling off the line in August.

Read our full case study here

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Highlighted products

Digital Displacement® pump

Digital Displacement® pump

Our Digital Displacement® hydraulics is a fundamental innovation. It utilizes a radial piston machine which enables cylinders in real time, using ultra-fast mechatronic valves controlled by an embedded, intelligent computer. This makes our pump highly controllable and extremely efficient. The result is lower energy losses, increased productivity and faster response time.

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    Farmers need agricultural machines that deliver the same high productivity every season. Hydraulic solutions from Danfoss ensure world-class performance from each machine, and a comfortable, stress-free working environment for their operators.

  • Construction

    Space is limited on construction sites, and there are people working everywhere. Contractors need machines that can safely maneuver in a tight spot. At the same time they still need to be powerful enough to get the job done. At Danfoss, we deliver the components, software, and controls that enable your machines to run safely, efficiently and effectively.

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  • Forestry

    Rough, sloping terrain and cramped working conditions call for robust and reliable forestry machines. We make sure you can manage everything from cutting trees and transport to preparing the forest floor for replanting. We have the smart hydraulic solutions your machines need for precise and efficient forestry operations.

  • Heavy machinery
    Heavy machinery

    Think about the heaviest challenges in the open mining, road building and construction industry. Tasks such as cutting through rock or the Arctic permafrost; compacting thick layers of hot asphalt. As well as lifting huge, prefabricated wall panels into place.

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    Advanced hydraulic systems from Danfoss deliver the machine performance that ensures road builders can meet their deadlines.

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  • Quality at the core of new digital displacement assembly facility
    Quality at the core of new digital displacement assembly facility
    Monday, January 20, 2020

    We developed a new manufacturing research and development facility near Edinburgh in Scotland, which ensures greater quality of every pump produced.

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    Friday, November 9, 2018

    Global player Danfoss Power Solutions to invest £millions in Scotland to build low-carbon global manufacturing facility.