Showing posts with label elevator geared machines. Show all posts
Showing posts with label elevator geared machines. Show all posts

Wednesday, January 25, 2023

The Otis Elevator Company

The Otis Elevator Company

The Otis Elevator Company
The Otis Elevator Company is one of the world's leading manufacturers of elevators and escalators. Founded in 1853 by Elisha Otis, the company is credited with inventing the modern elevator, making it safe and reliable for commercial and industrial use.

Elisha Otis was a New York-based inventor and businessman who was inspired to create a safer elevator after witnessing a tragic accident involving a hoisting machine. In 1852, he developed a safety device that would engage and hold the elevator in place if the hoisting rope broke. This invention was a critical breakthrough in the development of the elevator, as it eliminated the fear of falling and made elevators safe to use.

In 1853, Otis unveiled his invention at the New York World's Fair, where he demonstrated the safety of his elevator by having a team of horses cut the hoisting rope while he was on the elevator platform. The safety device engaged and held the elevator in place, proving that it was safe to use. The invention was a sensation and Otis was awarded a patent for his safety elevator in 1854.

Following the success of his invention, Otis established the Otis Elevator Company in Yonkers, New York in 1854. The company quickly became one of the leading manufacturers of elevators, and by the end of the 19th century, it had installed elevators in some of the world's most iconic buildings, including the Eiffel Tower in Paris, the Empire State Building in New York, and the Burj Khalifa in Dubai.

The Otis Elevator Company continued to innovate throughout the 20th century, introducing new technologies such as the geared traction elevator in 1887, and the automatic elevator in 1926. The geared traction elevator was a significant improvement over the earlier rope and pulley system, as it was much more efficient and allowed for faster and smoother operation of the elevator. The automatic elevator eliminated the need for a human operator, making the elevator even more convenient to use.

In the 21st century, the Otis Elevator Company has continued to lead the way in the development of new technologies. The company has developed several energy-efficient elevator systems, including regenerative drives that capture and reuse the energy generated by the elevator during braking. Additionally, the company has embraced smart technology, developing destination dispatching and IoT systems that optimize elevator usage and reduce wait times.

The Otis Elevator Company is also committed to sustainability, and it has implemented several initiatives to reduce its environmental impact. The company has developed elevators that use eco-friendly materials and that are designed to last longer, reducing the need for frequent replacement. The company also has recycling programs for scrap metal and other materials, reducing waste and preserving resources.

In conclusion, the Otis Elevator Company has played a vital role in the development of the elevator, making it safe, reliable, and convenient for commercial and industrial use. The company continues to innovate and leads the way in the development of new technologies, making elevators more energy-efficient and sustainable. With a rich history of innovation and a commitment to sustainability, the Otis Elevator Company remains one of the world's leading elevator manufacturers.

Friday, December 11, 2015

Elevators - Gearless and Geared

Elevators Gearless Machines Vs Elevator Geared Machines


Escon_Elevators_In_Kochi
Elevator Geared Machine with Machine Room
Geared machines have gearbox and routine oiling is required.
Risk of oil contamination and spill is high.
High Energy consumption.
Limited elevator floor travel.
For high rise towers elevator vibrations are possible.
Low efficiency as compared to Gearless Machine.
Installation  and service costs are higher.
Elevator machine room space required is more as machines are bigger in size.
Harmonics noise is more.
Power consumption is high due to more torque required and efficiency is lower.
Due to high maintenance, doesn't have  a long life.
Electromagnetic brakes are used.
Brake adjustment is less convenient.
Proper routine maintenance required due to more wear and tear.
Periodic oiling and lubrication required.
Elevator Gearless Machine With Machine Room
Gearless machines do not have a gearbox hence, they do not require any type of oiling.
No risk of oil contamination or spillage to the ground.
Less energy consumption, nearly 50% saving in energy costs.
Nearly unlimited elevator floor travel without vibration.
High efficiency as compared to geared machine.
Easy to install and service cost is lower.
Elevator machine room space required is less because machines are small & compact.
Harmonics noise is totally eliminated.
Minimum power consumption and maximum torque & high efficiency.
Maintenance is less and longer life span.
Disc break technology for instant stop.
Jerkless elevator operation with ride comfort and ride quality.
Elevator brake adjustment is more convenient & noise free.
Frequent elevator stops & start operation will not affect the motor.
Hence negligible wear and tear and lower maintenance is required.
Oiling & Lubrication is totally eliminated.