FIELD: mechanical engineering. SUBSTANCE: shutter has a cylindrical rotor and stator with a cylindrical hollow. The stator and the rotor have drain channels. The rotor is positioned in the stator for rotation and/or axial movement. A sliding bush may be positioned between the rotor and the stator. EFFECT: improved structure. 26 cl, 3 dwg
Authors
Dates
1994-04-15—Published
1988-09-12—Filed