thrust bearing mechanism

Abstract

The invention relates to a thrust bearing mechanism, which mainly consists of two rotatable support members (1, 2) with annular end faces (3, 4) and a thrust force arranged between the support members (1, 2). The rolling bearing (5) constitutes. The thrust rolling bearing (5) has an annular first angle piece (6) made of a thin steel plate that rests on the end face (3) of the first support member (1) and rests on the second support member. On the end face (4) of (2), the annular second angle piece (7) consisting of a thin steel plate and the rolling between the axial inner sides (8, 9) of the angle pieces (6, 7) A needle roller and cage assembly (10) formed by a plurality of bearing needle rollers (12) arranged side by side and held at a uniform distance from each other by bearing cages (11), and the thrust The rolling bearing is lubricated and cooled by a flow of lubricant ( 13 ) starting from the shaft which is guided in between through the thrust rolling bearing ( 5 ). According to the invention, a spring-elastic annular ramp plate (14) is arranged between the first bracket component (1) and the first angle piece (6), by means of which the ramp plate can be used for the second load in the unloaded state. The radial annular gap (15) generated by the axial gap of the thrust rolling bearing (5) between a bracket member (1) and the first angle piece (6) is sealed to prevent the lubricant flow (13) from being wrong At the same time, the lubricant flow (13) can be guided in a targeted manner into the bearing interior space (16) between the lugs (6, 7).

Description

technical field [0001] The invention relates to a thrust bearing mechanism, and the thrust bearing mechanism is particularly advantageously suitable for the shaft of the sun gear carrier of the first planetary gear set relative to the ring gear pot of the second planetary gear set in an automatic transmission of a car to support. Background technique [0002] The most common embodiment of an automatic transmission for passenger cars is a so-called torque converter transmission, which differs from conventional automated shift transmissions primarily in that it has a shifting process without interruption of tractive force. Most of these car automatic transmissions have a hydraulic torque converter as a starting clutch, and are mainly composed of multiple plate clutches, multiple overrunning clutches and a combination of planetary gear transmissions. All shifting and clutching processes are carried out here via multi-plate clutches which establish a non-positive connection of ...

AI Technical Summary

Problems solved by technology

Thus, overheating due to lack of lubrication leads to bearing damage, which can lead to failure of the entire automatic transmission

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