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. 04, 1994
Filed:
Oct. 15, 1992
Applicant:
Inventor:
Bryan E VanDeVyvere, Lees Summit, MO (US);
Assignee:
Knappco Corporation, Kansas City, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137492 ; 137509 ;
Abstract
A vent for relieving pressure from within a storage tank at a predetermined tank pressure through an opening in the tank including a mounting member for connecting the vent in sealed engagement with the opening and for providing a valve opening and associated valve seat, a poppet member for closing the valve seat at tank pressures less than the predetermined tank pressure and for opening the valve seat at tank pressures equal to and greater than the predetermined tank pressure to enable venting of the tank pressure to atmosphere, and an adjusting member for altering the predetermined tank pressure at which the poppet member opens.