A compression system may include a compressor having first and second sides separated by a division wall, first and second shafts, and first and second radial bearings. The first and second shafts may be axially connected to each other at respective first ends via a rotor portion of an intermediate
A compression system may include a compressor having first and second sides separated by a division wall, first and second shafts, and first and second radial bearings. The first and second shafts may be axially connected to each other at respective first ends via a rotor portion of an intermediate radial bearing. The rotor portion may include a plurality of laminations stacked between first and second plates fastened to each other. The first radial bearing may be disposed on a first side of the intermediate radial bearing and may be proximate a second end of the first shaft. The first radial bearing may be configured to support the first shaft. The second radial bearing may be disposed on a second side of the intermediate radial bearing and may be proximate a second end of the second shaft. The second radial bearing may be configured to support the second shaft.
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1. A compression system, comprising: a housing;a compressor within the housing, the compressor having a first side and a second side separated by a division wall;a first shaft and a second shaft disposed within the compressor, each of the first shaft and the second shaft having a first end and a sec
1. A compression system, comprising: a housing;a compressor within the housing, the compressor having a first side and a second side separated by a division wall;a first shaft and a second shaft disposed within the compressor, each of the first shaft and the second shaft having a first end and a second end, and the first shaft and the second shaft being axially connected to each other at the respective first ends and being configured to rotate together;a first radial bearing disposed proximate the second end of the first shaft and configured to support the first shaft;a second radial bearing disposed proximate the second end of the second shaft and configured to support the second shaft; andan intermediate radial bearing surrounded by the division wall, the intermediate radial bearing being disposed between the first radial bearing and the second radial bearing and proximate the connected first ends of the first shaft and the second shaft, and the intermediate radial bearing comprising: a rotor portion including a plurality of laminations stacked between a first plate and a second plate fastened to each other; anda stator portion surrounding the rotor portion and configured to be axially separated into two or more components. 2. The compression system of claim 1, wherein the first shaft and the second shaft are fastened to the first plate and the second plate, respectively, or the first shaft and the second shaft are fastened to each other using fasteners that pass through the stacked plurality of laminations. 3. The compression system of claim 1, wherein at least one seal is disposed between the division wall and each of the first plate and the second plate. 4. The compression system of claim 1, wherein at least one seal is disposed between the division wall and one of the first plate and the second plate. 5. The compression system of claim 1, wherein a first seal is disposed between the division wall and one of the first shaft and the second shaft, and a second seal is disposed between the division wall and one of the first plate and the second plate, the first seal and the second seal being on opposite sides of the rotor portion. 6. The compression system of claim 5, wherein the first seal and the second seal have different radii. 7. The compression system of claim 1, further comprising a stator adjusting mechanism configured to adjust a position of the stator portion. 8. The compression system of claim 1, wherein at least one seal is disposed between the division wall and each of the first shaft and the second shaft. 9. The compression system of claim 1, further comprising a seal reference inlet configured to supply a seal gas to the division wall, a pressure of the seal gas being greater than a pressure of a process gas in the compressor. 10. The compression system of claim 1, further comprising a rundown bearing proximate the intermediate radial bearing and mounted on the division wall. 11. A method for supporting at least two shafts, comprising: disposing the at least two shafts in a compressor having a first side and a second side separated by a division wall, the at least two shafts being axially connected to each other at respective first ends of the at least two shafts;supporting a first shaft of the at least two shafts with a first radial bearing proximate a second end of the first shaft;supporting a second shaft of the at least two shafts with a second radial bearing proximate a second end of the second shaft; andsupporting the first ends of the at least two shafts with an intermediate radial bearing disposed at or adjacent the division wall, the intermediate radial bearing being disposed between the first radial bearing and the second radial bearing and proximate the connected first ends of the first shaft and the second shaft, wherein the first ends of the first shaft and the second shaft are connected to a rotor portion of the intermediate radial bearing,the rotor portion includes a plurality of laminations stacked between a first plate and a second plate fastened to each other,the first shaft and the second shaft are fastened to the first plate and the second plate, respectively, or to each other using fasteners that pass through the plurality of stacked laminations, andan axially separable stator portion is disposed surrounding the rotor portion. 12. The method of claim 11, further comprising: sealing a gap between the division wall and at least one of the first plate and the second plate. 13. The method of claim 11, further comprising: sealing a first gap between the division wall and one of the first plate and the second plate using a first seal; andsealing a second gap between the division wall and one of the at least two shafts using a second seal, the first seal and the second seal being disposed on opposite sides of the rotor portion, and the first seal and the second seal having different radii. 14. The method of claim 11, further comprising: sealing a gap between the division wall and each of the first shaft and the second shaft. 15. The method of claim 11, further comprising: adjusting a position of the rotor portion within the division wall. 16. A compression system, comprising: a compressor having a first side and a second side separated by a division wall;a first shaft and a second shaft within the compressor, the first shaft and the second shaft being axially connected to each other at respective first ends via a rotor portion of an intermediate radial bearing, the rotor portion including a plurality of laminations stacked between a first plate and a second plate fastened to each other;a first radial bearing disposed on a first side of the intermediate radial bearing and proximate a second end of the first shaft, the first radial bearing configured to support the first shaft; anda second radial bearing disposed on a second side opposite to the first side of the intermediate radial bearing and proximate a second end of the second shaft, the second radial bearing configured to support the second shaft. 17. The compression system of claim 16, wherein a first seal is disposed between the division wall and one of the first shaft and the second shaft, and a second seal is disposed between the division wall and one of the first plate and the second plate, the first seal and the second seal being on opposite sides of the rotor portion, and the first seal and the second seal having different radii. 18. The compression system of claim 16, wherein at least one seal is disposed between the division wall and each of the first plate and the second plate.
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