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Schindler 3300 & 5500 Information · Fichier PDF

Noise and vibration aspects for an elevator system cover the following areas: – Ride quality: sound and vibration inside the car – Air-borne noise, e.g. door noise, noise in the elevator shaft – Structure-borne noise in walls: important, as it radiates sound into adjacent rooms The basics of these aspects will be presented in chapters 2 to 4. During operation of an elevator, the ...

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CHN-EN-0824 - Otis Elevator Company

Our systems minimize noise and vibration and render the elevator's movement barely perceptible, giving passengers what they're looking for-a quiet, comfortable ride. Reliability Built in ISO-certified factories, with a lifetime of service in mind, every Gen2 elevator offers superior reliability. Innovative technologies working together . 2 Otis Elevator Company 3 SPACE With the machine ...

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Review of Elevator Noise and Vibration Criteria, .

When used in residential facilities, the noise and vibration of the elevator operation can be a potential intrusion for residences that are adjacent to the equipment. The impact is often compounded by the modern trend toward using lightweight building materials .

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WO2003048017A2 - Elevator noise and vibration .Traduire cette page

In accordance with the present invention, an elevator noise and vibration isolation system is provided. The system includes an elevator component, a second component, and at least one vibration isolator (10) being positioned between the elevator component and the second component. Each vibration isolator (10) has a plurality of layers (22, 24) with at least one layer (22) being a hard layer ...

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Method of reducing noise in elevator machine .Traduire cette page

29/06/2020 · An environmentally friendly noise reduction solution specifically designed for elevators based on the principle of elevator acoustic resonance. Decrease the vibration and running noise of the elevator in the special sound insulation layer of the elevator layer by layer, which can be thoroughly reduced and digested, so as to reduce the sound source of the noise, realize the noise reduction of ...

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The harm and method of reducing noise in elevator .Traduire cette page

First, the elevator design stage should consider the elevator installation location, installation method, and adopt active sound insulation and noise reduction measures, such as machine room sound insulation, etc.; second, the elevator production unit should be selected after strict The calculated vibration isolation equipment and facilities; the third is that elevator users should strengthen ...

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The Brake Noise Reduction Method for the .

This paper is concerned with the suppression of noise and vibrations of the brake system of elevator traction machine by means of a solenoid control technique. The solenoid is used to hold the ...

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The Summary Research on the Noise of High-speed .Traduire cette page

Mechanical noise and aerodynamic noise are the main types of elevator noise. The research of mechanical noise are mainly focused on vibration characteristics of the structure and the friction which is on elevator cars, counterweight and guide rails as well as wire ropes. The research of aerodynamic noise are mainly included three aspects: the influences of aerodynamic noise resulted in the ...

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Noise and Vibration Source Investigations and .Traduire cette page

These potential sources of noise and vibration include heating, ventilation and air conditioning (HVAC) systems; pumps and motors; generators; elevators, garbage chutes and compacters; garage doors and the like. These common building services systems can be found in all parts of a building: on rooftops, in basements and in the walls, ceiling and mechanical rooms of any floor. Sound and ...

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Schindler 3300 & 5500 Information

Schindler Passenger Elevators Introduction This document is intended to give an introduction to noise and vibration aspects for the Schindler 3300 and Schindler 5300 elevator systems. It gives a short overview of the basics of noise and vibration and specifies the values that customers can .

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18.1 Elevator causes noise/vibration or air movement. · Fichier PDF

18.1 Elevator causes noise/vibration or air movement. Acceptable Performance Condition: In -family buildings when the elevator is in use, noise/vibrations/air movement is not uncommon. Warranty Coverage: This is not a defect. Claim Response: None. Notes: _____ _____ _____ Performance Guide: NHBPO 09/01/15 329 18.2 Overhead garage door causes noise/vibration. Acceptable Performance ...

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Understanding Damping Techniques for Noise and Vibration ... · Fichier PDF

reducing noise and vibration at the source can be realized by careful plan-ning, thoughtful design, and proper choice of materials and structures spe-cifically engineered for the task. This technological state of the art in damping materials and systems is such that it is possible to design products that operate more quietly, with less vibration and greater precision, without being necessarily ...

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Noise and vibration measurements of a machine .Traduire cette page

This paper presents a case study of noise and vibration measurements that were conducted in a condominium building with a MRL elevator system. Measurements were conducted both within the affected residential unit as well as in the elevator shaft. In conducting the measurements, particular attention was paid to determining the effectiveness of the vibration isolation that was provided for the ...

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How does the elevator system deal with noise? - .

As the vibration and noise of the hydraulic system of the elevator itself is inevitable, and in recent years, with the development of hydraulic technology in the direction of high speed, high pressure and high power, the noise of the hydraulic system has become increasingly serious, and has become a factor that hinders the further development of hydraulic technology.

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A Vibration-Related Design Parameter .Traduire cette page

High-speed elevator horizontal vibration (HsEHV) is a problem that seriously affects ride comfort. To solve this problem, a design parameter optimization method for HsEHV reduction was studied. A dynamic equation of HsEHV was established, and its response value was calculated using a precise integration method. The influence of the design parameters on horizontal vibration was also analyzed.

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WO2003048017A2 - Elevator noise and vibration .

In accordance with the present invention, an elevator noise and vibration isolation system is provided. The system includes an elevator component, a second component, and at least one vibration isolator (10) being positioned between the elevator component and the second component. Each vibration isolator (10) has a plurality of layers (22, 24) with at least one layer (22) being a hard layer ...

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Noise and Vibration Analysis of Elevator Traction Machine

Elevator car noise of 1000 Hz or less radiated from elevator traction machines is a particular problem because it is not easily insulated by the elevator car's walls. A noise evaluation method for elevator traction machines has been developed. First, an excitation test is conducted with an excitation machine to develop a numerical model.

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Method of reducing noise in elevator machine .Traduire cette page

29/06/2020 · An environmentally friendly noise reduction solution specifically designed for elevators based on the principle of elevator acoustic resonance. Decrease the vibration and running noise of the elevator in the special sound insulation layer of the elevator layer by layer, which can be thoroughly reduced and digested, so as to reduce the sound source of the noise, realize the noise reduction of ...

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Acoustic Services - Phoenix Noise & VibrationTraduire cette page

The whine of a poorly placed elevator pump. Often, building designers face challenges that can be felt as well as heard. Learn More. Get Us Involved. Fitness. Phoenix Noise & Vibration has extensive experience with fitness studios ranging in size from boutique shops to corporate membership centers. Fitting the noise and vibration from these spaces into their surroundings is a challenging task ...

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The Ups and Downs of Elevator Noise - AcentechTraduire cette page

Home should be a place that offers a respite from the anxieties of modernity, especially the constant barrage of noise and vibration that we are exposed to daily in the urban environment. In cities, shelter increasingly takes the form of tall -story buildings. Where 30 years ago buildings in excess of 5 floors were relatively rare in Boston, the recent construction boom in our city has ...

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