Hydraulic brake system for elevator
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United States of America Patent
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Jun 27, 2017
Grant Date -
Jul 9, 2015
app pub date -
Aug 2, 2012
filing date -
Aug 2, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A braking system for an elevator includes a brake disc and one or more sets of brake calipers interactive with the brake disc. A hydraulic brake unit is operably connected to the one or more brake calipers. The hydraulic brake unit includes one or more valves to control hydraulic fluid flow during engagement of the brake calipers to the brake disc. An elevator includes a car, one or more sheaves, and a suspension member connected to the car and routed over the sheaves. A machine drives motion of the elevator car. A braking system located at the machine includes a brake disc and one or more brake calipers. A hydraulic brake unit is operably connected to the brake calipers and includes one or more valves to control hydraulic fluid flow during engagement of the brake calipers to the brake disc.
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