Invention Grant
- Patent Title: Elevator comprising traction sheave with specified diameter
- Patent Title (中): 包括具有指定直径的牵引滑轮的电梯
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Application No.: US14022988Application Date: 2013-09-10
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Publication No.: US09446931B2Publication Date: 2016-09-20
- Inventor: Jorma Mustalahti , Esko Aulanko
- Applicant: Jorma Mustalahti , Esko Aulanko
- Applicant Address: FI Helsinki
- Assignee: Kone Corporation
- Current Assignee: Kone Corporation
- Current Assignee Address: FI Helsinki
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: FI20020043 20020109
- Main IPC: B66B7/06
- IPC: B66B7/06 ; B66B11/08 ; B66B15/04 ; D07B1/06 ; D07B1/16 ; B66B11/00

Abstract:
An elevator may include: an elevator car; a traction sheave that includes grooves; a hoisting machine configured to drive the traction sheave; and/or hoisting ropes configured to interact with the traction sheave to move the elevator car. An overall contact between the traction sheave and hoisting ropes may exceed a contact angle of 180°. A diameter of the traction sheave may be less than 320 mm. Each hoisting rope may include steel wires twisted together to form strands. The strands of each hoisting rope may be twisted together to form the hoisting rope. A thickness of each hoisting rope may be less than 8 mm. An average of wire thicknesses of the steel wires may be greater than or equal to 0.1 mm and less than or equal to 0.4 mm. A strength of the steel wires may be greater than 2,300 N/mm2 and less than 3,000 N/mm2.
Public/Granted literature
- US20140124301A1 ELEVATOR Public/Granted day:2014-05-08
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