Many vessels have propulsion systems where fixed pitch propeller is mounted on a steerable gondola (“pod”) which also contains the electric motor driving the propeller. Electric power for the propulsion motor is transferred through slip rings which enables the propulsion unit to rotate 360 degrees around the vertical axis. Beside vessels these propulsion systems are used also in offshore oil rigs which are not anchored to the ocean bottom.
Combinent has long history of producing marine slip rings for propulsion systems working in critical solutions in highly demanding environment. These slip ring units are very sophisticated designs including high power slip rings, rotary joint, signal slip rings and related instrumentation all integrated into the same unit. These slip ring units are ready to mount solutions which are designed to work absolutely reliably securing transmission of large streams and voltages, various data signals and fluids.
Project examples
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Type:
High power slip rings
Application:
Marine Propulsion Systems
Number of rings:
3
Voltage:
2500 V
Current:
5000 A
Size (mm):
ø280
Through bore (mm):
ø100
Speed:
max. 100 rpm
available with d ø0-150, D ø250-500 mm
Type:
Pancake slip rings
Application:
Marine Propulsion Systems
Number of rings:
12
Voltage:
24 V
Current:
max. 5 A
Size (mm):
ø526, height 50
Through bore (mm):
ø300
Speed:
max. 200 rpm
Type:
Split pancake slip rings
Application:
Marine Propulsion Systems
Number of rings:
8
Voltage:
24 V
Current:
max. 5 A
Size (mm):
ø978
Through bore (mm):
ø489
Speed:
max. 50 rpm
4 piece design.
Type:
Rotary unions
Application:
Marine Propulsion Systems
No. of passages:
7
Size of passages:
1 1/4"
Pressure:
max. 300 bar
Size (mm):
ø330, length 514
Through bore (mm):
ø110
Speed:
max. 30 rpm
Type:
Rotary unions
Application:
Marine Propulsion Systems
No. of passages:
7
Size of passages:
1/8"-3/8"
Pressure:
max. 300 bar
Size (mm):
ø165, length 273
Through bore (mm):
ø65
Speed:
max. 20 rpm
Type:
Hybrid slip rings
Application:
Marine Propulsion Systems
Number of rings:
43 signal, 3+1 power
No. of passages:
7
Voltage:
10 V signal, 680 V power
Size of passages:
1/8"-3/8"
Current:
5 A signal, 3800 A power
Pressure:
max. 300 bar
Size (mm):
1700x2300x2200 (WxLxH)
Speed:
max. 2 rpm
Type:
Hybrid slip rings
Application:
Marine Propulsion Systems
Number of rings:
43 signal, 3+1 power
No. of passages:
7
Voltage:
10 V signal, 680 V power
Size of passages:
1/8"-3/8"
Current:
5 A signal, 1500 A power
Pressure:
max. 300 bar
Size (mm):
1700x2000x2100 (WxLxH)
Speed:
max. 2 rpm
Type:
Large through bore slip rings
Application:
Marine Propulsion Systems
Number of rings:
12
Voltage:
24 V / 690 V
Current:
10 A
Size (mm):
1350x1350x410 (WxLxH)
Through bore (mm):
ø926
Speed:
max. 25 rpm
Optional; speed&location monitoring
Type:
Molded slip rings
Application:
Marine Propulsion Systems
Number of rings:
104
Voltage:
max. 250 V
Current:
5 A
Size (mm):
ø75, length 500
Speed:
max. 50 rpm
