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:
Jan. 16, 1996
Filed:
Jan. 25, 1995
Applicant:
Inventor:
Markus Lehmann, Oberstammheim, CH;
Assignee:
Maschinenfabrik Sulzer-Burckhardt AG, Basel, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
13751621 ; 137529 ;
Abstract
The annular valve (10) comprises a valve seat (11) attached in the housing (1) of the compressor, an absorber (14) attached thereto at a distance and an annular sealing component (12), which can move between the valve seat and the absorber. Helical springs (2), which move the sealing component in the closing direction towards the valve seat, are distributed over its periphery between the absorber and the sealing component. Each helical spring (2) is fastened with one end in the absorber (14). In the region of the other end of each helical spring (2), the sealing component (12) is provided with guide means (6) for the respective spring end.