Drivetrain for a motor vehicle with a disc spring

The disc spring with centering tongues enhances drive train functionality by integrating force transmission and centering/holding in a single piece, reducing weight and space, and facilitating easy assembly.

DE102015004454B4Active Publication Date: 2026-05-21MERCEDES BENZ GROUP AG
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Patent Information

Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
MERCEDES BENZ GROUP AG
Filing Date
2015-04-04
Publication Date
2026-05-21

AI Technical Summary

Technical Problem

Existing drive trains with disc springs lack a high functional scope and require additional components for centering and holding, which add weight and space.

Method used

A disc spring with centering tongues that extend radially from the base body to fit into a component's recess, providing both force transmission and centering/holding functions without additional parts, allowing for a single-piece, cost-effective assembly.

Benefits of technology

The disc spring achieves a high functional scope with a dual function of transmitting axial forces and centering/holding, reducing weight and space while ensuring secure mounting and easy assembly.

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Abstract

Drive train for a motor vehicle, comprising at least one component (22) and at least one disc spring (10), comprising an annular base body (12) and disc spring tongues (14) extending radially from the base body (12) to a respective free end (16) for transmitting an axial force to at least one component (36), wherein the disc spring (10) has different centering tongues (18) extending radially from the base body (12) to a respective further free end (20) and arrangable in a corresponding recess (24) of the component (22) for centering the disc spring (10) relative to the component (22), and wherein axial forces can be transmitted to the at least one component (36) by means of the disc spring, wherein the centering tongues (18) are received in the recess (24) of the component (22) while centering the disc spring (10) relative to the component (22). are,and wherein the respective centering tongues (18) have an inner diameter (D5) which is smaller than an outer diameter (D) of the component (22).
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