|
US2659987A
|
|
Sheet moisture drying machine control mechanism
|
|
US2714895A
|
|
Pneumatic control mechanism for mutually dependent variables
|
|
DE948743C
|
|
Controller with adjustable proportional range
|
|
US2629939A
|
|
Sheet moisture drying machine control mechanism
|
|
US2712236A
|
|
Surface temperature measuring devices
|
|
GB685499A
|
|
Improvements in fluid-pressure controlling or regulating systems
|
|
US2585347A
|
|
Controller
|
|
US2549011A
|
|
Control point setting and indicating adjustment means for pneumatic controllers
|
|
US2490533A
|
|
Digester control
|
|
US2588988A
|
|
Follow-up type servomotor
|
|
US2599286A
|
|
Valve position indicator
|
|
US2452956A
|
|
Valve
|
|
GB624616A
|
|
Improvements in regulating valves
|
|
US2630140A
|
|
Diaphragm motor for control valves and the like
|
|
GB603717A
|
|
Improvements in flow-regulating valves with linear characteristics
|
|
US2541176A
|
|
Control valve
|
|
US2616440A
|
|
Pneumatic control mechanism
|
|
US2284795A
|
|
Control mechanism
|
|
US2288064A
|
|
Time cycle control mechanism
|
|
US2359714A
|
|
Method of controlling wood pulp cooking
|
