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Kawasaki
Electro-hydraulic Steering Gear
February 01, 2008
Kawasaki Precision Machinery Ltd.
Products For
Steering gear
Marine Machinery
Deck machinery
Amount of Production
Amount of Production per Year
Steering Gear
: approximately 180 ship sets/year
Deck Machinery : approximately 150 ship sets/year
Total Sum of Production
Since 1924
Steering Gear
17,000
Shipsets
16,000
15,000
14,000
13,000
12,000
1980
1985
1990
Year
1995
2000
Kawasaki Brand
FLUTEK
Flutek
Korea
Wuhan
China
武漢船用機械
KPM
KPM
Japan
Market Share of Steering Gear
in the World
OTHERS
6%
D
12%
C
9%
B (JAPAN)
2%
KPM
21%
KPM-FLUTEK
9%
KPM-WUHAN
8%
A (JAPAN/KOREA)
33%
Share No.1
Control System of Steering gear

Mechanical Pump Control

Electrical Pump Control

Valve Control
Torque range
E series : Electrical Pump Control system
(FE,RE)
314 kN-m ～
9810 kN-m
M series : Mechanical Pump Control system
(FM,RM)
314 kN-m ～ 4760 kN-m
V series : Valve Control system
( RV )
30 kN-m ～
844 kN-m
FE,RE
FM,RM
RV
10
100
1000
TORQUE
kN-m
10000
V series steering gear

RV21
Pump
unit
Cylinder
Ram
Hydraulic Circuit of V series
1-Ram,
2-Cylinder
Stop valve
Relief valve
Directional
spool valve
2 Pumps
Fixed
displacement
pump
M series steering gear
Mechanical link
Variable
displacement
pump in Tank
Hydraulic Circuit of M series
1-Ram,
2-Cylinder
2 Pumps
Variable
displacement
pump
Hydraulic Circuit of M series
2-Ram,
4-Cylinder
Isolation valve
2 Pumps
E series steering gear

FE21
Regulator
No Link
Variable displacement pump in Tank
Hydraulic Circuit of E series
1-Ram,2-Cylinder
Regulator
2 Pumps
Hydraulic Circuit of E series
2-Ram,4-Cylinder
2 Pumps
Hydraulic Circuit of E series
2-Ram,4-Cylinder
3 Pumps
Features of Control system
Cost
Quality
Feature
V series
Reasonable
Normal
Simple
M series
Common
Good
Traditional
E series
High-Grade
High-Class
Excellent
Features
(Construction)
Easy Maintenance
・Easy Replaceable
Cylinder V-Packing
・Oil-less Metal Bearing
Compact arrangement
･Tank & Motor on Cylinder
･Valve & Reg. on Tank
Features
(Pump unit)
Long Life
& Excellent Reliability
Kawasaki “ LV Series”
Bent Axis type Axial Piston Pump
Quiet Operation &
Minimize piping
by Pump in Tank