Hydraulic unit

US11203330B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Bernd Haeusser · Neckarwestheim, DE
• Oliver Gaertner · Abstatt, DE
• Wolfgang Mailaender · Hemmingen, DE
• Rolf Stotz · Leinfelden, DE
• Oliver Hennig · Löwenstein, DE
• Michael Schuessler · Seckach, DE

Key dates

• Filing date: Oct 13, 2015
• Grant date: Dec 21, 2021
• Expiry date: Dec 3, 2036

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60T2270/203
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A hydraulic unit, in particular a hydraulic unit for a slip-controllable vehicle brake system, includes a housing block, a pump, and a damping device. The pump has an intake side and a delivery side. The housing block has a pump receptacle that holds the pump, a first fluid duct that intersects the pump receptacle in a region of the delivery side of the pump, and a second fluid duct opening into the pump receptacle in the region of the delivery side of the pump, and a first separation point that seals off the first fluid duct from the second fluid duct. The damping device damps pulsations and reduces operating noise of the hydraulic unit without (i) having a detrimental effect on functional characteristics of the unit, in particular on pressure build-up dynamics of the vehicle brake system, or without (ii) jeopardizing a compact construction of the hydraulic unit.