OUTER SPRING FOR INCREASEING THE TENSION ON A BELT TENSIONER FOR AN INTERNAL COMBUSTION ENGINE

An externally mounted spring assembly addresses the need for customized tensioners by providing adaptable tensioning for front-end auxiliary drive systems, reducing costs and complexity by fitting existing tensioners without reconfiguration.

DE102017117352B4Active Publication Date: 2026-05-28FORD GLOBAL TECH LLC
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Patent Information

Application Number
DE102017117352
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Priority Date
2016-08-04
Filing Date
2017-07-31
Publication Date
2026-05-28
Estimated Expiration
2037-07-31

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Abstract

Spring arrangement for use with an automatic belt tensioner (24) for a front auxiliary drive for an engine, wherein the belt tensioner (24) comprises an engine mounting housing and a tensioner arm (28), wherein the tensioner arm (28) has a tension pulley end, and wherein the belt tensioner (24) comprises the following: a spring (40, 50) having a mounting end (42, 52) and a preload end (44, 54), wherein the mounting end (42, 52) is attached to the outside of the motor mounting housing and the preload end (44, 54) exerts a preload force against the pulley end; and Mounting sleeves (46, 46', 46'', 56, 56') are provided at the mounting end (42, 52).
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Citation Information

Patent Citations

  • Clamping device for a traction unit such as a belt or chain for machine parts comprises a bendable leaf or corrugated spring fixed to a lever arm which supports a clamping roller

    DE102005056418A1

  • Belt tensioning device for a belt drive and aggregate arrangement with belt tensioning device

    DE102011053869A1

  • tensioning device with adjustable end position device for drive belts and unit provided with such a tensioning device

    DE69615312T2