B - Operations – Transporting – 27 – L
Patent
B - Operations, Transporting
27
L
144/19
B27L 1/00 (2006.01) B27L 1/04 (2006.01)
Patent
CA 1055811
LOG DEBARKER ABSTRACT A rotary ring-type log debarker has barking tools operated by double-acting air cylinders with air pressure supplied through solenoid valves from a pressure chamber in the rotor. During normal debarker operation the rotor pres- sure chamber is isolated from an external source of air pres- sure. Air is supplied to the rotor pressure chamber inter- mittently only when necessary to maintain or increase air pressure in the chamber through a pilot air-operated ring- type air seal between the rotor and its stator. The seal is loaded only during the addition of air to the rotor pres- sure chamber to minimized wear on the sealing surfaces. Positive, instantaneous opening and closing of the tools and changes in air pressure in the rotor pressure chamber are effected from a remote operators's console while the rotor is either rotating or stationary.
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