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3779136
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Information
Patent Grant
3779136
References
Source
Patent Number
3,779,136
Date Filed
Not available
Date Issued
Tuesday, December 18, 1973
50 years ago
CPC
F15B21/08 - Servomotor systems incorporating electrically operated control means
F15B11/08 - with only one servomotor
F15B2211/30525 - Directional control valves
F15B2211/3105 - Neutral or centre positions
F15B2211/329 - actuated by fluid pressure
F15B2211/355 - Pilot pressure control
F15B2211/40507 - with constant throttles or orifices
F15B2211/41554 - being connected to a return line and a directional control valve
F15B2211/46 - Control of flow in the return lin
F15B2211/6336 - representing a state of the output member
F15B2211/6355 - having valve means
F15B2211/665 - Methods of control using electronic components
F15B2211/67 - Methods for controlling pilot pressure
F15B2211/8855 - Compressible fluids
US Classifications
091 - Motors: expansible chamber type
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