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Elevators & escalators . April 19 th , 2011. Elevators . Types: Pneumatic Vacuum Elevators (PVE) Traction elevators Hydraulic elevators Climbing elevator Usage: Carry people Fright goods and tools Left vehicles and aircrafts. Pneumatic Vacuum Elevators (PVE). Maximum height = 11 m
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Elevators & escalators April 19th, 2011
Elevators • Types: • Pneumatic Vacuum Elevators (PVE) • Traction elevators • Hydraulic elevators • Climbing elevator • Usage: • Carry people • Fright goods and tools • Left vehicles and aircrafts
Maximum height = 11 m • Maximum weight = 240 kg • 2 – 3 people • Residential use only.
Traction elevators • Advantages: • Fast • Quiet • Smooth ride • High rise application • Disadvantages: • machine room required • Higher cost • Support structure
Hydraulic elevators • Advantages: • High loads • No machine room • Dimension optimized • Low cost • Disadvantages: • Slow and noisy • Hot oil odor • Poor riding quality • Environmentally unsafe