Automotive vehicle brake unit with anti-locking device

US5181769A · kind A · utility

Assignee

• ITT Corporation · US

Inventors

• Lothar Schiel · Hofheim, DE
• Hubertus von Gruenberg · Kronberg, DE
• Wilfried Wagner · Hamburg, DE
• Manfred Rueffer · Pocking, DE
• Christoph Jung · Munich, DE

Key dates

• Filing date: Feb 22, 1990
• Grant date: Jan 26, 1993
• Expiry date: Feb 22, 2010

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60T8/4854
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

An automotive vehicle anti-lock brake unit reduces operator detectable pedal pulsations and vacuum requirements found in prior systems wherein the movable wall (7) of the vacuum brake power booster (1) is movable independently of the input member (4) and that a hydraulic chamber (50) being in active connection with the input member (4) is provided whose link (90) with a pressureless hydraulic fluid reservoir (11) allows to be shut off.