Electric Lift Equipment for Modern Buildings: A Practical Guide to Its Selection, Installation, Operation and Maintenance |
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Common terms and phrases
acceleration accidents adjustment alternating-current alternating-current motors armature arrangement automatic balance weight bolts bottom button cables car gate car safety car sling car speed car switch cast-iron cent centrifugal governor CHAPTER circuit connection construction control panel counterbalance weight counterweight courtesy of Messrs d.c. motor diameter direct-current direction driving sheave drum dynamic brake electric employed engine overhead equipment fixed frequently friction full load gearless grooves hoist induction motor installed interlock landing doors lift engineers lifting ropes limit switches lubrication machine magnetic makers mechanical method obtained operation overhead passenger lifts position push-button repulsion motor resistance retardation reversal rheostat rotor safety gear secs single worm space starting torque stator steel guide rails stop supply three-phase motors torque traction trip usually utilised vee sheave Waygood-Otis wheel winding engine wire worm and gear worm gear Wuhu