Thrust washer for a planetary gearbox

US7384360B2 · kind B2 · utility

Assignee

• Schaeffler KG · DE

Inventors

• Volker Ploetz · Herzogenaurach, DE
• Wolfgang Fugel · Koblenzer Straße, DE
• Alexander Reimchen · Herzogenaurach, DE
• Horst Engelhardt · Gerhardshofen, DE

Key dates

• Filing date: Jun 23, 2004
• Grant date: Jun 10, 2008
• Expiry date: Jan 8, 2025

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16H2057/085
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A thrust washer (9) for planet gears (6) of a planetary gearbox is provided that is made form a tempered, cold rolled strip having a flatness less than or equal to 0.03 mm, and a hardness ranging from 370 to 580 HV. The thrust washer (9) can be produced in a particularly cost effective manner by making it from an appropriate initial stock having the desired final properties.