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    • 5. 发明授权
    • Elevator
    • US09783390B2
    • 2017-10-10
    • US14703118
    • 2015-05-04
    • Petteri Valjus
    • Petteri Valjus
    • B66B5/02B66B9/00B66B7/06B66B5/00B66B5/18
    • B66B5/02B66B5/0037B66B5/185B66B7/062B66B9/00
    • The invention relates to an elevator comprising a hoistway; an elevator car vertically movable in the hoistway; at least one rope connected to the car; a rotatable traction member comprising a circumferential traction surface for each of the at least one rope; each of the at least one rope passing around the rotatable traction member and having a front side surface resting against a circumferential traction surface of the traction member, the front side surface and/or the traction surface of the rotatable traction member being made of material comprising polymer; and a drive machinery for controlling rotation of the rotatable traction member; and activatable pressing means for pressing the at least one rope against the circumferential traction surface of the traction member which comprise a pressing shoe mounted on the back side of and out of contact with the rope section of each of said at least one rope, which rope section rests against the rotatable traction member, the pressing shoe being movable towards the back side surface of said rope section; and actuating means activatable to move the pressing shoe towards the back side surface of said rope section such that the pressing shoe moves into contact with and presses the rope section against the circumferential traction surface of the traction member; and activating means for activating the actuating means to move the pressing shoe towards the back side surface of said rope section.
    • 7. 发明申请
    • Elevator
    • 电梯
    • US20070012524A1
    • 2007-01-18
    • US11505845
    • 2006-08-18
    • Petteri ValjusMikko OravaTeuvo Vantanen
    • Petteri ValjusMikko OravaTeuvo Vantanen
    • B66B7/10
    • B66B11/007B66B7/10B66B19/007
    • In the method and elevator of the invention, which preferably is an elevator without machine room, in which elevator the elevator car is at least partially supported by a set of hoisting ropes. The hoisting ropes comprise one rope or a number of parallel ropes. The elevator has a traction sheave which moves the elevator car by means of the hoisting ropes. The elevator comprises rope portions of hoisting ropes going upwards and downwards from the elevator car, and the rope portions going upwards from the elevator car are under a first rope tension (T1) and the rope portions going downwards from the elevator car are under a second rope tension (T2). The elevator has a compensating device acting on the hoisting ropes to equalize and/or compensate rope tension and/or rope elongation and/or to render the ratio (T1/T2) of the first and the second rope tensions substantially constant. The compensating device comprises an arrangement producing an auxiliary force acting substantially in the same direction with the first rope tension (T1).
    • 在本发明的方法和电梯中,其优选地是没有机房的电梯,其中电梯轿厢至少部分地由一组提升绳索支撑。 提升绳索包括一根绳索或多根平行的绳索。 电梯具有牵引绳轮,其通过提升绳索移动电梯轿厢。 升降机包括从升降机轿厢上下移动的提升绳索的绳索部分,并且从电梯轿厢向上移动的绳索部分处于第一绳索张力(T 1> 1),绳索部分向下 来自电梯轿厢处于第二绳索张力(T 2> 2)。 电梯具有作用在提升绳索上的补偿装置,以均衡和/或补偿绳索张力和/或绳索伸长率和/或使得比率(T 1 / T 2 / T 2 >)第一和第二绳索张力基本上恒定。 补偿装置包括产生基本上与第一绳索张力(T 1> 1)相同方向作用的辅助力的装置。