F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
121/64
F15B 13/042 (2006.01) F15B 9/10 (2006.01) F15B 13/14 (2006.01)
Patent
CA 1166097
Kobelt 29 POWER ASSIST DEVICE FOR CONTROL SYSTEM ABSTRACT OF THE DISCLOSURE A power assist device for a control system to amplify force to assist in movement of control appara- tus. Device has signal input device and directional valve which are both responsive to a control signal, and a fluid power cylinder assembly which is connectable to an input of the control apparatus to apply an ampli- fied control signal thereto. The directional valve means controls fluid flow between first and second chambers on opposite sides of a piston of the power cylinder assembly so as to determine the direction of movement of the assembly in response to valve position. The signal input device has an indicator to indicate a particular control setting or datum for a control signal which can be felt by operator, which contrasts with prior art power assist device where feel of a par- ticular setting location is lost.
379154
Carver & Company
Kobelt Jacob
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