Abstract: The invention provides a coupling assembly for connecting two shafts. A first shaft includes an outward flange on one end thereof with a plurality of first holes extending through the outward flange around an axis of the first shaft. A second shaft is a hollow shaft including an inward flange on one end thereof with a plurality of second holes extending through the inward flange with same diameter of the first holes and aligning with the respective first holes. The coupling assembly includes: a coupling bolt with thread on a first end and a second end thereof, which is inserted in the first hole and the second hole. A first nut is engaged with the first end of the coupling bolt. A second nut engaged with the second end of the coupling bolt. An expansion sleeve is with its inner hole tapering from one end to another end thereof.

Abstract: The invention provides a coupling assembly for connecting two shafts. A first shaft includes an outward flange on one end thereof with a plurality of first holes extending through the outward flange around an axis of the first shaft. A second shaft is a hollow shaft including an inward flange on one end thereof with a plurality of second holes extending through the inward flange with same diameter of the first holes and aligning with the respective first holes. The coupling assembly includes: a coupling bolt with thread on a first end and a second end thereof, which is inserted in the first hole and the second hole. A first nut is engaged with the first end of the coupling bolt. A second nut engaged with the second end of the coupling bolt. An expansion sleeve is with its inner hole tapering from one end to another end thereof.

Abstract: The present invention relates to a turbogroup (1) of a power generating plant. A turbine unit (2), has a turbine (4) and a further fluid-flow machine (6) on a common turbine shaft. A generator unit (3), has a generator (8) on a generator shaft (9). The turbine shaft (5) and the generator shaft (9) are connected to one another. A third radial bearing unit (13) supports the generator shaft (9) on a side of the generator (8) which faces the turbine unit (2). A thrust bearing unit (16) supports the turbine shaft (5) axially between the generator (8) and the additional fluid-flow machine (6). The thrust bearing unit (16) and the third radial bearing unit (13) are integrated in a common bearing block (17) which is firmly connected to a fixed foundation (18).

Abstract: The present invention relates to a turbogroup (1) of a power generating plant. A turbine unit (2), has a turbine (4) and a further fluid-flow machine (6) on a common turbine shaft. A generator unit (3), has a generator (8) on a generator shaft (9). The turbine shaft (5) and the generator shaft (9) are connected to one another. A third radial bearing unit (13) supports the generator shaft (9) on a side of the generator (8) which faces the turbine unit (2). A thrust bearing unit (16) supports the turbine shaft (5) axially between the generator (8) and the additional fluid-flow machine (6). A first radial bearing unit (11) and/or a second radial bearing unit (12) have/has pendulum supports (20) which are in each case supported on a bearing pedestal (21). At least one of the pendulum supports (20) is supported on the associated bearing pedestal (21) via a spring element.

Abstract: The present invention relates to a turbogroup (1) of a power generating plant. A turbine unit (2), has a turbine (4) and a further fluid-flow machine (6) on a common turbine shaft. A generator unit (3), has a generator (8) on a generator shaft (9). The turbine shaft (5) and the generator shaft (9) are connected to one another. A third radial bearing unit (13) supports the generator shaft (9) on a side of the generator (8) which faces the turbine unit (2). A thrust bearing unit (16) supports the turbine shaft (5) axially between the generator (8) and the additional fluid-flow machine (6). A first radial bearing unit (11) and/or a second radial bearing unit (12) have/has pendulum supports (20) which are in each case supported on a bearing pedestal (21). At least one of the pendulum supports (20) is supported on the associated bearing pedestal (21) via a spring element.

Abstract: The present invention relates to a turbogroup (1) of a power generating plant. A turbine unit (2), has a turbine (4) and a further fluid-flow machine (6) on a common turbine shaft. A generator unit (3), has a generator (8) on a generator shaft (9). The turbine shaft (5) and the generator shaft (9) are connected to one another. A third radial bearing unit (13) supports the generator shaft (9) on a side of the generator (8) which faces the turbine unit (2). A thrust bearing unit (16) supports the turbine shaft (5) axially between the generator (8) and the additional fluid-flow machine (6). The thrust bearing unit (16) and the third radial bearing unit (13) are integrated in a common bearing block (17) which is firmly connected to a fixed foundation (18).

Abstract: A casing for a steam or gas turbine comprises a shell and two flanges. The wall thickness of the shell is varied in an upper region facing away from the flange, in two central regions and in two lower regions facing the flanges, such that the upper region facing away from the flanges is reinforced in comparison with the lower regions facing the flanges. The lower regions facing the flanges are more flexible than the flanges which are attached by screws, and the partially reinforced central region and the reinforced upper region, and act as a joint to compensate for deformation, particularly in the radial direction. Consequently, the casing remains considerably more round in operation. The reduced radial clearance (achieved by reduced deformation) between the casing and the ends of the turbine blades leads to considerably increased efficiency during operation of the turbine.