Marine & Offshore

Tailor-made technologies for the challenges of tomorrow

In the past, ever larger ships had increasing problems maneuvering in ports that had become too small due to their dimensions. Today, our rotary distributors supply the so-called POD (azimuth) drives with power, enabling large cruise ships such as the Queen Mary 2 to turn in the harbor basin in the tightest of spaces. By optimizing the drive power, they help to reduce fuel consumption, which in turn leads to a significant reduction in greenhouse gas emissions. In addition, the maneuvering process in confined spaces is facilitated and the efficiency of port operations is improved.

Special high-power current transmissions that are particularly resistant to vibrations and shocks are used in maritime applications, as well as rotary unions from Moog and signal slip rings that can be installed in a particularly space-saving manner. Condition monitoring slip rings for azimuth thrusters are also part of our wide-ranging portfolio for the shipping industry.

Our products are certified (IACS sub-associations). It is always a challenge to implement complex projects in the shortest possible time. Here we rely on our many years of experience and dedicated project management that leaves nothing to chance. Our strong customer focus is reflected in our trained service personnel. We can carry out maintenance work directly on the ship. We have special testing technology at our disposal and draw on a large product portfolio from Moog plants and subsidiaries around the world, where all subcomponents are also manufactured within the Group.

POD propulsion combination units

Moog has integrated slip rings into pod propulsion systems, supporting electrification needs while delivering increased efficiency and game changing maneuverability when compared to traditional propulsion solutions. In fully electric pods, rotary transmission systems provide connection between the ship and the free turning pod to power the main propulsion motors and transmit signals. The systems also transfer network data and mediums such as lubrication, while pumping away pod leakage.

    Technical data

    • Slip Rings: up to 25 MW pods
    • Current rating: >6,000 amps per way
    • Voltage rating: mV up to 20,000 volts AC/DC
    • Hybrid technology: current, data and mediums in one compact and protected housing (up to IP54)
    • Contact material: brass, copper, silver, rhodium or gold plated
    • Condition monitoring: vibration, shock, arc flash, temperature, humidity
    • Data transmission
    • Encoder position referencing
    • Vibration certified: 4g up to 100 Hz
    • Forced or natural cooling possible
       

    Features and advantages

    • Complex rotary transmission system from a single source supplier
    • IACS certified
    • Compact design
    • 40 year lifespan for most operation profiles
    • Robust design - high vibration resistance, high reliability, suitable for icebreaker ship classes
    • Oxidation and fungus resistant materials and coating
    • Optimized temperature behavior for all steering positions
    • Full power available in every steering position
    • Reduction of fuel consumption
    • Increased efficiency of port operations
    • Internal component accessibility for easy maintenance
    • Maintenance and repair service offered worldwide
       

    Compact cable reel with integrated slip ring

    Moog's spring-driven cable reels are designed for harsh environments and are used in harbour and ship cranes. To ensure a high level of quality, Moog's standard slip ring technology is used in the spring cable reels.

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