Support unit with coating unit for tire testing stand, method for manufacturing support unit, and tire testing stand with support unit

The hybrid bearing system in tire test stands addresses reliability and accuracy issues by using a support unit with a coating unit and pressurized gaseous fluid outlets to stabilize the belt unit, enabling reliable tire testing under high loads and reducing maintenance.

JP2026096175APending Publication Date: 2026-06-12ZF FRIEDRICHSHAFEN AG
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
ZF FRIEDRICHSHAFEN AG
Filing Date
2025-11-18
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

Existing tire test stands face challenges in ensuring high reliability and accuracy of tire testing, particularly under high loads and lateral forces, due to issues with hydraulic and air bearings that can lead to deformation, friction, and inaccurate measurements.

Method used

A support unit for tire test stands incorporating a hybrid bearing system with a coating unit and pressurized gaseous fluid outlets and passages, which provides dual support functions to guide and stabilize the belt unit, allowing operation under high loads without hydraulic or air bearings.

Benefits of technology

The hybrid bearing system ensures reliable tire testing with reduced friction, prevents deformation, and maintains accurate measurements even under extreme conditions, eliminating the need for hydraulic systems and minimizing maintenance.

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Abstract

To enable tire testing to be performed with particularly high reliability, a support unit for a tire testing stand is provided. [Solution] The support unit (3) comprises a support unit (21) and a coating unit (23). The support unit comprises an inlet portion (25) defining an inlet opening (27) and a number of outlet portions. Each outlet opening (31) is connected to the inlet opening such that when pressurized gaseous fluid flows into the inlet opening, the pressurized gaseous fluid flows out from each outlet opening. The coating unit comprises a number of passage portions. Each passage portion (33) defines a passage opening (35). When pressurized gaseous fluid flows out of an outlet opening, the outlet openings and the passage openings assigned to the outlet openings are arranged relative to each outlet opening such that the gaseous fluid flowing out of the outlet opening passes through the passage openings assigned to the outlet openings.
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