System and method for controlling multiple elevator cabs in an elevator shaft
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 16, 2017
Grant Date -
Mar 30, 2017
app pub date -
Sep 28, 2015
filing date -
Sep 28, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system and method for controlling multiple elevator cabs in an elevator shaft of a structure, where at least one elevator shaft having a plurality of zones, each zone representing at least one floor of the structure; at least one zone having at least one sensor; at least two elevator cabs moveable within the shaft, each cab moveable independently of other cabs; and a controller that determines movement of each cab into a zone. A first cab preceding any other cab, designated a leading cab; each cab following the leading cab, designated as a trailing cab; each cab moveable in the same direction of travel to service zones until each cab reaches its designated end zone; wherein the controller only instructs a trailing cab to move into a zone with a sensor, after the sensor in the zone detects a cab that was located in such zone has exited that zone thereby preventing collisions.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully