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Rotating power, data and fluid — and the cooling behind them — for equipment that works at sea, in the field and around the clock.
At a glance
What we supply, industry by industry.
Most programs combine two or three product lines. One engineering team keeps the interfaces between them simple.
| Industry | Slip rings | Turntables | Liquid cooling |
|---|---|---|---|
| Marine & Offshore | Propulsion pods, cranes, winches | Shipborne pedestals | Seawater heat exchangers |
| Radar & Antenna | Photo-electric-fluid | 1-, 2- and 3-axis | Chassis, cold plates |
| Ports & Cranes | Portal, gantry, cable reel | — | — |
| Wind Energy | Pitch and yaw | — | Converter, gearbox, generator |
| Subsea | Deep-water, fluid, fiber | — | — |
| Aerospace & Defense | Aircraft pods | Antenna test | Chassis, vapor chambers |
| Power Electronics & Data Centers | — | — | Cold plates, VC sinks, connectors |
Podded-propulsion slip ring: power, fluid and signal in one rotating assembly.
01
Ships · offshore cranes
Marine & Offshore
Propulsion pods and offshore cranes rotate continuously while carrying megawatts, lube oil and hundreds of control signals — in salt air, for years between dry-docks.
What we supply
- Podded-propulsion slip rings
- Offshore crane and winch slip rings
- Stabilized shipborne antenna pedestals
- C5-M heat exchangers for seawater duty
Reference build
Podded electric-propulsion slip ring
| Power | 4 × AC 3,300 V / 2,600 A |
| Fluid | 12 passages · ≤ 25 MPa |
| Signal | 190 × DC 24 V |
| Monitoring | Ring temperature · heater dehumidification |
02
Ground · vehicle · naval
Radar & Antenna
A rotating radar has to pass power, gigabit data, fiber and coolant through a single axis — and point precisely while doing it.
What we supply
- Photo-electric and photo-electric-fluid slip rings
- One-, two- and three-axis turntables
- Liquid-cooled chassis and cold plates for radar electronics
Reference build
Photo-electric-fluid integrated slip ring
| Speed | 0–200 rpm |
| Coolant | 2 loops · 4.5 m³/h · 1.6 MPa · DN25 |
| Data | Gigabit Ethernet, video, multi-channel fiber |
| Platforms | Radar vehicles, special vehicles, turntables |
Photo-electric-fluid slip ring: power, Gigabit Ethernet, fiber and two coolant loops through one axis.
03
Portal · gantry · cable reel
Ports & Cranes
Portal cranes, rail-mounted gantries and cable reels slew and travel all shift long through rain, salt spray and constant vibration.
What we supply
- Slewing slip rings for portal cranes
- Slip rings for rail-mounted gantry cranes
- Cable-reel slip rings
Reference build
Power slip ring series L-HH-01-002
| Voltage | 0–10 kV |
| Current | ≤ 5,000 A |
| Speed | ≤ 6,000 rpm |
| Insulation | Class C3 – H |
04
Pitch · yaw · nacelle cooling
Wind Energy
Pitch and yaw systems carry thousands of amps and fieldbus signals through a nacelle that never stops moving — with no one on site to watch them.
What we supply
- Pitch-system slip rings
- Yaw-system slip rings with online monitoring
- Cooling for converters, transformers, gearboxes and generators
Reference build
Yaw-system slip ring (shown above)
| Power | 3 circuits · AC 1,140 V / 2,800 A |
| Fault capacity | ≥ 10 kA (0.2 s) · 6,000 A (3 s) |
| Contact | ≤ 0.1 mΩ · rise ≤ 40 K |
| Monitoring | Ring temperature, cooling control, brush-fork alarm |
Pitch-system slip ring: AC 400 V / 50–130 A power plus Profibus, CAN or Ethernet, IP65.
05
Deep-sea exploration · offshore engineering
Subsea
Underwater equipment needs rotary connections that hold pressure, seal for years and still carry power, control and Ethernet.
What we supply
Reference build
Deep-water slip ring
| Depth | Long-term service below 2,000 m |
| Body | Titanium alloy |
| Axial load | 2 t |
| Channels | Power, control, Gigabit Ethernet, video |
06
Avionics · space · defense electronics
Aerospace & Defense
Radar processors, power supplies and transmitters pack more heat into less space every generation, and must survive shock, vibration and −55 °C cold soak.
What we supply
- Liquid-cooled ATR and MCU chassis
- Vapor chambers and phase-change thermal control
- Slip rings for aircraft pods
Reference build
Liquid-cooled enclosure C-HH-02
| Temperature | −55 to +90 °C |
| Working pressure | 2.5 MPa |
| Cooling | Side-wall, module or hybrid |
| Modules | VITA-standard or custom |
Vapor chambers spread heat by phase change — the same principle used in satellite thermal control.
Liquid cold plates for water-cooled IGBT modules and rack-level server cooling.
07
Inverters · IGBT · racks
Power Electronics & Data Centers
Renewable-energy inverters and dense server racks are limited by how fast heat leaves the device. Better cooling means more power per cabinet and a lower PUE.
What we supply
Reference build
3.96 kW vapor-chamber heat sink
| Load | 6 × 660 W |
| Size | 300 × 200 × 40 mm |
| Peak device temp | 119.2 °C |
| Vs. standard sink | 17.2 °C cooler |
Don’t see your industry?
If it rotates, carries current or runs hot, tell us the operating conditions. We’ll tell you what we’d build.