TH12163B - Thrust bearing alignment system for turbochargers - Google Patents

Abstract

DC60 Thrust bearing alignment system for turbochargers It has a part of a thrust bearing unit with separate normal and reverse thrust bearings. And assembly pieces A thrust bearing is arranged on the turbine shaft and is placed between the normal and reverse thrust bearings. Both the normal and reverse thrust bearings are spaced from the shaft. Turbine in the radial direction of the turbine shaft And lubricating oil will be fed to the area First touch between the normal thrust bearing and the thrust assembly. Oil pilot part Is created on the bearing housing for further feeding of the lubricant to the second contact area. Between the thrust assembly and the reverse thrust bearing Seal assembly Will be arranged on the turbine shaft By touching the scrollable edge around the inside of Normal thrust bearing Thrust bearing alignment system for turbochargers It has a part of a thrust bearing unit with separate normal and reverse thrust bearings. And assembly pieces A thrust bearing is arranged on the turbine shaft and is placed between the normal and reverse thrust bearings. Both normal and reverse thrust bearings are spaced from the shaft. Turbine in the radial direction of the turbine shaft And lubricating oil will be fed to the area First touch between the normal thrust bearing and the support assembly Oil pilot part Is created on the bearing housing for further feeding of the lubricant to the second contact area. Between the thrust assembly and the reverse thrust bearing Seal assembly Will be arranged on the turbine shaft By touching the scrollable edge around the inside of Normal thrust bearing

Claims (8)

1. The thrust bearing alignment system for turbochargers consists of Thrust bearing unit with both normal thrust bearings. And a reverse thrust bearing Separate from the normal severe bearing Normal and reverse thrust bearings are spaced from each other in The axial direction of the turbine shaft It is spaced from the turbine shaft in the radial direction of the turbine shaft. The bearing housing for the thrust bearing unit with both normal and reverse thrust bearings is fixed to the bearing housing. Bearing Such normal thrust bearings have a normal support plate face that faces them along the The axis of the turbine shaft And the aforementioned reverse thrust bearing has a reversed backing surface that The axial face of the turbine shaft is held in the opposite direction to that of a normal thrust bearing. The normal and inverted deck surfaces are spaced from each other according to The axis of the turbine shaft and face to face. A single drive assembly is placed on the turbine shaft. And has two bearing faces that are facing Face in the opposite direction along the axis of the turbine shaft The assembly with the Dung Dong was inserted. Between the surface of the pad as normal And inverting type of bearing with normal and inverse form by The two bearing faces overlap respectively with the normal deck surface. And the flat back of the bearing Standard and reverse protectors And lubricant is fed to the first contact area between the bearings. Normal guard And the supporting pieces A pilot section is built on the bearing housing for further feeding of the lubricant. To the second contact area between the supporting parts And reverse thrust bearings and The seal assembly is provided on the turbine shaft. And was supported in the gaps Between normal thrust bearings And turbine shafts in such a way that the sealing assemblies are in contact with Slidable against the inner edge of a normal thrust bearing 2. Thrust bearing alignment system according to claim 1, where the jacket's pilot part. The bearings surround the axial assembly, with a fixed gap to define the room boundary. Oil around the protectors And a passageway is made in a bearing jacket that leads out into the vicinity. Side of the turbine of the turbocharger from the oil chamber for transferring lubricant to the area 3. The bearing arrangement in accordance with claim 1, where the seal assembly is Including the common cylindrical elements of the turbine shaft. And the sealing ring supported In the peripheral groove of a common cylindrical element in such a way that the sealing ring contacts the Movable with the inner edge of the normal thrust bearing 4. Thrust bearing alignment system according to claim 3 where the common cylindrical element is the oil crankcase. 5. The bearing alignment system. Proposition 3, where the sealing ring is a piston ring 6. The thrust bearing arrangement according to claim 1, where the bearing housing has a first winch hole. For delivering lubricant from oil source to normal thrust bearings And a thrust bearing Usually at the second winch that is in contact with the first winch for further transmission of lubricant to the first contact area 7. The thrust bearing alignment system according to claim 1 where the other part of the lubricant is Feed to the turbocharger radial bearing And the support bearing arrangement system also has a trajectory part For feeding another part of the lubricant to the second contact area. 8. Thrust bearing alignment according to claim 1, where the thrust assembly and the part. The assembly for the seal is relative to the turbine shaft. When the compressor's wheel The turbocharger is worn on the turbine shaft. 9. Thrust bearing alignment system according to claim 3, where the thrust assembly and the conventional cylindrical assembly are secured. Relative to the turbine shaft when the compressor wheel The turbocharger is worn on the turbine shaft 1 0. Thrust bearing arrangement according to claim 3, where the shape element Conventional cylinders have another peripheral groove to accommodate a second, sliding contact seal ring with the plate. The seal, which is directed radially from the bearing housing, near the compressor wheel 1. 1. The thrust bearing alignment system according to claim 1, where the thrust assembly is assembled, is the thrust sleeve 1. 2. The thrust bearing alignment system according to claim 1, where the thrust assembly has a surface. The first support plate in contact with the normal and reverse thrust bearing 1. 3. The support bearing alignment system according to claim 1, where the support assembly is inserted. In such a way that it rotates between a normal and reverse thrust bearing 1 4. The thrust bearing alignment system according to claim 1, where the thrust assembly is an annular plate 1. 5. Thrust bearing alignment system according to claim 11 where the thrust sleeve is annular plate 1. 6.The thrust bearing alignment system for turbochargers consists of Thrust bearing unit with normal thrust bearing The normal and reverse thrust bearings are spaced from each other in the longitudinal direction of the turbine shaft and from the turbine shaft in the radial direction of the turbine shaft. Bearing jacket for the cover of the thrust bearing unit Thrust assemblies are placed on the turbine shaft and are inserted between the thrust bearings. Normal and reverse, with lubricant being fed to the first contact area between the thrust bearings. Normal type and push assembly A pilot section is built on the bearing housing for further feeding of the lubricant to the With the second contact area between the supporting parts And reverse thrust bearings and assemblies for seals provided on turbine shafts. And was supported in the gaps Between normal thrust bearings And turbine shafts in such a way that the seal assembly is in contact with the sliding Can be with the edge around the inside of the normal thrust bearing rim Where the sealing assembly incorporates a common cylindrical element that is Turbine shaft wear And a sealing ring supported in the surrounding groove of the cylindrical element. It is common in such a way that the sealing ring is in contact with the sliding inner edge of a normal thrust bearing and where the diameter of the normal bearing inner rim is Is constant and larger than the diameter of a common cylindrical element between the components. Little guards and sealing rings And will be expanded to the compressor of the turbocharger at a minimum 1 7. The thrust bearing alignment system according to claim 16, where both normal thrust bearings and Inverted thrust bearings are traced in relation to the bearing housing. And the supporting pieces were fixed. To the turbine shaft 1 8. The thrust bearing alignment system according to claim 17, where the thrust assembly has one The bearing surfaces face the axial face of the turbine shaft. And overlap with a normal thrust bearing And the other bearing surface faces the axial face of the turbine shaft in the opposite direction. With one of the bearing surfaces And overlap with the reverse bearing