Accumulator piston device

US12257989B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Marcus Ertle · Immenstadt im Allgäu, DE
• Alexander Bareiss · Immenstadt im Allgäu, DE
• Juergen Reiner · Gestratz, DE
• Michael Loeffler · Oberstaufen, DE

Key dates

• Filing date: Mar 3, 2022
• Grant date: Mar 25, 2025
• Expiry date: Mar 3, 2042

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F15B2201/61
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

An accumulator piston device having an accumulator piston which, on a circumference of a first shaft portion, has a first guide ring which surrounds the piston shaft and which protrudes radially over an externally dimensionally larger second shaft portion of the piston shaft.