摘要:
A traction sheave (10; 40) for engaging an elevator rope (24), the traction sheave comprising:
a traction surface for engaging and driving the elevator rope; and a surface coating applied to the traction surface, wherein the coating has a hardness of greater than approximately 40 HRC.
摘要:
A verbal remote control device receives requests, such as for elevator service, unlocking vehicles, controlling alarms, by using voice recognition to decode spoken requests of the user, the device using speech synthesis to respond to the user with information, or to request information from the user. The device may be one that normally has a low power consumption dormant mode and is awakened in the proximity of apparatus to be controlled thereby either by beacons or by a user activated switch. In an elevator system, the device is used to enter, cancel and change destination-type requests for elevator service.
摘要:
A load bearing assembly (26) for an elevator system (20), the load bearing assembly comprising: at least one elongated tension member (32); a jacket (34) in the form of coating covering at least some of the at least one tension member, wherein the jacket material comprises a mixture of (a) a polymer material (64, 68); and (b) a halogen-free melamine based intumescent flame retardant (62) comprising at least one of melamine-cyanurate, melamine-phosphate, melamine pyrophosphate or melamine polyphosphate. Also a corresponding method of making such a load bearing assembly (26) is disclosed.
摘要:
A load bearing assembly (26) for an elevator system (20), the load bearing assembly comprising: at least one elongated tension member (32); a jacket (34) in the form of coating covering at least some of the at least one tension member, wherein the jacket material comprises a mixture of (a) a polymer material (64, 68); and (b) a halogen-free melamine based intumescent flame retardant (62) comprising at least one of melamine-cyanurate, melamine-phosphate, melamine pyrophosphate or melamine polyphosphate. Also a corresponding method of making such a load bearing assembly (26) is disclosed.
摘要:
A load bearing assembly (26) for an elevator system (20) includng at least one elongated tension member (32) and a jacket (34) covering at least some of the at least one tension member. The jacket (34) comprises a polymer material (64, 68); and a flame retardant (62) which is a filled polymer having a nanoscale filler, the flame retardant nanoscale filler comprising a polyhedral oligomeric silsequioxane.
摘要:
An elevator load bearing member assembly includes at least one roughened surface (46) on a polyurethane jacket (44) wherein the polyurethane jacket comprises an amide-rich layer on at least one surface. In one example, mechanical roughening is used to roughen the surface (46) after the jacket has been extruded onto tension members (42). Other examples include chemically roughening the jacket surface. The roughened jacket surface improves friction characteristics of a load bearing member assembly.