The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 25, 2014
Filed:
Nov. 20, 2008
Stefan A. Drumm, Saulheim, DE;
Lothar Schiel, Hofheim, DE;
Stefan A. Drumm, Saulheim, DE;
Lothar Schiel, Hofheim, DE;
Abstract
A brake system for motor vehicles having a brake master cylinder that can be operated by a brake pedal, a fluid reservoir assigned to the brake master cylinder, a hydraulic booster stage which is operatively connected to the inlet side of the brake master cylinder, with a booster piston which is subjected to a hydraulic boost pressure supplied by a pressure source and which in all operating modes allows a direct mechanical action by the brake pedal on a hydraulic piston of the brake master cylinder, and having an electrically controllable pressure regulating valve arrangement for metering the boost pressure. In order to provide a brake system of simple design, which is cost-effective to produce and which functions reliably, the pressure regulating valve arrangement can be hydraulically controllable.