Screw actuator with lubricant dosing, and brake calliper

US6691837B1 · kind B1 · utility

Assignee

• SKF Engineering & Research Centre B.V. · NL

Inventors

• Hendrikus Jan Kapaan · Nieuwegein, NL
• Thomas Wilhelm Fucks · Schweinfurt, DE
• Jiri Gurka · Steyr, AT
• Jerome Dubus · Aix-les-Bains, FR
• Christian Boch · Laon, FR
• Clair Druet · Saint-Julien-en-Genevois, FR
• Asbjorn Bundgart · Copenhagen, DK
• Alberto Visconti · Chieti, IT

Key dates

• Filing date: Jul 6, 2001
• Grant date: Feb 17, 2004
• Expiry date: Jul 6, 2021

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T74/18744
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A screw actuator comprises a nut and a screw each comprising helical grooves, said nut and screw engaging each other by rollers or balls which are in contact with said grooves, a lubricant being provided for the grooves and rollers or balls. Integrated in the actuator is a module, which is connected to at least the helical grooves of the nut and/or screw for replenishing the lubricant for the grooves and rollers or balls of the actuator.