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:
Aug. 29, 2000
Filed:
Oct. 22, 1998
Applicant:
Inventors:
Franz Josef Wolf, Bad Soden-Salmunster, DE;
Anton Wolf, Gelnhausen, DE;
Josef Hohmann, Steinau a.d. Str., DE;
Udo Gartner, Steinau-Bellings, DE;
Assignee:
Woco Franz-Josef Wolf & Co., Bad-Soden-Salmunster, DE;
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
138 30 ; 138 26 ; 220721 ;
Abstract
The invention relates to a directly hydraulically damping broadband damper designed as a sequence of Helmholtz resonators with elastomer/gas springs to damp pressure pulses in pressurized liquids and in the audible range frequencies, in particular in hydraulic servo systems.