Self-adjusting cooling system for diesel engines
Self-flushing thermostat
Servo type cooling system control
Servo type cooling system valve
Solenoid distributing valve for volume flow control
System for controlling the state of a flow control valve
System for cooling internal combustion engines
System for determining the appropriate state of a flow control v
System for determining the load condition of an engine for maint
System for dithering solenoids of hydraulically operated valves