#Scroll compressor series
The MLZ and LLZ series are purpose-engineered for.
In the 30 years since then, we remain number one in the world in terms of production and sales of these compressors. With MLZ and LLZ, take advantage of a scroll compressor for refrigeration that is efficient by design.
Following this, the company introduced the world’s first oil-free scroll compressors, the SLP-22 (2.2 kW) and the SLP-37 (3.7 kW), in March 1991. The team spent that year meticulously inspecting the issues and eliminating the elements that gave rise to concerns, which allowed them to finally reach the launching stage. Extensive discussions were held within the project, and the company finally decided to extend the time allotted for development by one year. Although the prospect of commercialization was assured, the development deadline, which had been extended due to the inability to completely eliminate unstable elements relating to quality control, drew near once again, and the company was forced to decide whether or not to proceed with the launching of the product. That is why the SF is the preferred choice for sensitive indoor environments, like hospitals. Unlike reciprocating technology with many moving parts, the Copeland scroll compressor has one scroll or spiral orbiting in path defined by a matching fixed.
It is, therefore, ideal for any application where the air compressor noise is a big deal. So, scroll compressors are extremely quiet without the need for an additional sound-proofing mechanism. Its unique characteristics make it ideal for many manufacturing processes for which clean, oil-free compressed air is a prerequisite. Scroll compressor’s efficient design allows it to operate smoothly with little to no vibration. World’s First Commercializationįive years had already passed since 1985, surpassing the period originally set aside for development. Take the SF scroll compressor series from Atlas Copco, which has been a leader in this field for more than 60 years. If it were not for this feat, we would not have been able to move forward with development we consider this mechanism to be the greatest invention that made the oil-free version possible. Scroll compressors can be oil-lubricated or oil-free, and the latter is best suited for applications where there is a need for clean, dry air quality without any oil. We also managed to add a mechanism that made the clearance of the rotating scroll easily adjustable. A scroll compressor, also known as a spiral compressor and a scroll pump, is a type of positive-displacement compressor that works by internal compression of air or gas. This was considered difficult to achieve with the oil-free methods that existed at that time, but we came up with the world’s first pin crank mechanism, and succeeded in creating a stable and highly accurate rotating motion. The most difficult issue was in creating the rotating motion typical of the scrolls. Even if the compression process is ideal, thermodynamics dictates that mechanical power is required to carry out this compression process. Two-Stage compressors are more efficient and are generally used for pressures above 100 psi (max. There was no rulebook regarding the development of an oil-free scroll compressor, since no one had done it before, so our team continued to grope in the dark for clues. When a scroll compressor or vacuum pump is selected for an application, the ultimate goal is to compress a low-pressure gas at the inlet of the machine and turn it into a compressed gas at the outlet. We began developing oil-free scroll compressors in order to overcome these issues. With our continued attempts at refining our technology, we succeeded in developing an oil-free piston compressor, but as with other competing products, it required maintenance around the piston ring every 2,000 to 3,000 hours, which presented an obstacle in popularizing oil-free compressors. Oil-lubricated compressors were the norm in the 1980s, and our main products consisted of oil-lubricated piston compressors as well. Copeland qualified tandem and trio configurations for superior seasonal efficiency.Aiming to Promote the Use of Oil-Free Compressors.The fixed scroll is attached to the compressor body while the orbiting scroll is coupled to the crankshaft. It is used in air conditioning equipment, as an automobile supercharger (where it is known as a scroll-type supercharger) and as a vacuum pump. Copeland scroll compressors work with one scroll orbiting in a path defined by a matching fixed scroll.
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