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. 17, 1987
Filed:
Nov. 12, 1986
Applicant:
Inventor:
Werner Foller, Stuhr, DE;
Assignee:
Gestra Aktiengesellschaft, Bremen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16T / ;
U.S. Cl.
CPC ...
137192 ; 13761421 ;
Abstract
There is provided a steam trap having a first valve seat and cooperating closure valve, and an associated control device. A second valve seat and cooperating closure valve are disposed downstream of the first valve seat. An actuating element influenced by the inlet pressure is provided for the second closure valve, which, furthermore, is acted upon by an opening biasing force of a certain magnitude.