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:
Nov. 12, 2002
Filed:
May. 16, 2001
Jürgen Schonlau, Walluf, DE;
Ralf Harth, Darmstadt, DE;
Uwe Kley, Usingen, DE;
Rolf Fellinger, Dreikirchen, DE;
Steffen Linkenbach, Eschborn-Niederhöchstadt, DE;
Continental Teves AG & Co., OHG, Frankfurt, DE;
Abstract
The present invention relates to a vacuum brake force booster which includes a valve piston with a pedal push rod that is axially slidable in a vacuum housing, further including a control housing and a poppet valve connected to the valve piston, and an air filter. The air filter is arranged in the valve piston and forms, in conjunction with an associated valve piston sealing seat for the air filter abuttable thereon, a variable flow cross-section for the outside air that flows through the poppet valve.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile