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. 29, 2013
Filed:
Nov. 20, 2008
Applicants:
David A. Shereyk, Homewood, IL (US);
Brian R. Peek, Mokena, IL (US);
Inventors:
David A. Shereyk, Homewood, IL (US);
Brian R. Peek, Mokena, IL (US);
Assignee:
Illinois Tool Works Inc., Glenview, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B60H 1/24 (2006.01); F16K 15/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
Embodiments of the present invention provide a pressure relief assembly that may include a main housing having an air passage chamber, and a flapper positioned on or within the air passage chamber. The flapper includes a membrane flap and a stabilizing member extending toward a center of the membrane flap. The stabilizing member prevents the center of said membrane flap from flapping open, but allows outer free edges of the membrane flap to open when air flow at a particular pressure is exerted into said membrane flap from an opening direction.