Eaton Compressor & Fabrication C-STOV-MC001-E1 - Manual (Page 9)

EATON Char-Lynn Steering Catalog C-STOV-MC001-E1 July 2006 9
Hydraulic Circuit
Explanation
Neutral Circuits:
Load Sensing
T
LS P
LS CF EF
R L
P
T
High Pressure
Carryover to
Auxiliary Circuit with
Open Center Valve(s)
Fixed Displacement Pump
Load Sensing Steering System with Fixed
Displacement Pump (Open Center Circuit)
Load
Sensing
(Dynamic
Signal)
Steering
Control Unit
(non-load
reaction)
Priority Valve
(Dynamic Signal)
Dynamic
Signal
T LS P
LS CF EF
R L
T
P
Auxiliary
Circuit with
Load Sensing
Valve(s)
Pilot Signal
from Auxiliary
Circuit
Pressure and Flow
Compensated Pump
Shuttle Valve
Load Sensing Steering System with Pressure and Flow
Compensated Pump (Closed Center, Load Sensing Circuit)
Load
Sensing
(Dynamic
Signal)
Steering
Control Unit
(non-load
reaction)
Priority Valve
(Dynamic Signal)
Dynamic
Signal
Dynamic Signal—
Open Center Pump
Dynamic Signal—
Load Sensing Pump
Load Sensing Circuits—
Signal Systems
Two types of load sensing
signal systems are
available—Dynamic and
Static.
Dynamic Signal—Used for
more difficult applications.
The dynamic signal systems
offer the following benefits:
• Faster steering
response.
• Improved cold weather
start-up performance.
• Increased flexibility to
solve problems related
to system performance
and stability.