Tension member for elevator system belt
AssigneeOtis Elevator Company
InventorChen Qian Zhao
Life of this patent
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Abstract
A belt for an elevator system includes a plurality of tension members arranged along a belt width and extending longitudinally along a length of the belt, each tension member including a plurality of load carrying fibers, the plurality of load carrying fibers including a plurality of aromatic polyester based fibers. A jacket material at least partially encapsulates the plurality of tension members.
Claims10
A belt for an elevator system, comprising:
- a plurality of tension members arranged along a belt width and extending longitudinally along a length of the belt, each tension member including a plurality of load carrying fibers, the plurality of load carrying fibers including a plurality of aromatic polyester based fibers;
- and
- a jacket material at least partially encapsulating the plurality of tension members;
- wherein the plurality of load carrying fibers further includes ultrahigh molecular weight polypropylene fibers;
- wherein the plurality of tension members are formed via a pultrusion process with the plurality of load carrying fibers impregnated with a matrix material;
- wherein the plurality of load carrying fibers includes at least 50% aromatic polyester fibers.
An elevator system, comprising:
- a hoistway;
- an elevator car disposed in the hoistway and movable therein;
- a belt operably connected to the elevator car to suspend and/or drive the elevator car along the hoistway, the belt including:
- a plurality of tension members arranged along a belt width and extending longitudinally along a length of the belt, each tension member including a plurality of load carrying fibers, the plurality of load carrying fibers including a plurality of aromatic polyester based fibers;
- and
- a jacket material at least partially encapsulating the plurality of tension members;
- wherein the plurality of load carrying fibers further includes ultrahigh molecular weight polypropylene fibers;
- wherein the plurality of tension members are formed via a pultrusion process with the plurality of load carrying fibers impregnated with a matrix material;
- wherein the plurality of load carrying fibers includes at least 50% aromatic polyester fibers.
A tension member for an elevator system, comprising a plurality of load carrying fibers, the plurality of load carrying fibers including a plurality of aromatic polyester based fibers;
- wherein the plurality of load carrying fibers further includes ultrahigh molecular weight polypropylene fibers;
- wherein the tension member is formed via a pultrusion process with the plurality of load carrying fibers impregnated with a matrix material;
- wherein the plurality of load carrying fibers includes at least 50% aromatic polyester fibers.
Dependencies are inferred from the claim text.