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:
Mar. 26, 2019
Filed:
Oct. 23, 2017
Applicant:
Delavan Inc., West Des Moines, IA (US);
Inventors:
Jason A. Ryon, Carlisle, IA (US);
Chien-Jung Yu, Clive, IA (US);
Philip E. O. Buelow, West Des Moines, IA (US);
Neal A. Thomson, West Des Moines, IA (US);
Assignee:
Delavan Inc., West Des Moines, IA (US);
Primary Examiner:
Int. Cl.
CPC ...
F16K 15/00 (2006.01); F23R 3/28 (2006.01);
U.S. Cl.
CPC ...
F23R 3/28 (2013.01); F23K 2301/206 (2013.01); F23K 2401/201 (2013.01); F23K 2900/05001 (2013.01);
Abstract
A valve for regulating fluid flowing bidirectionally therethrough includes a first flow body defining a passage configured to direct fluid flow in a downstream direction defined from the inlet to the outlet. The inlet includes an enlargement configured to provide decreased resistance to fluid flow in the downstream direction relative to flow in an upstream direction opposite the downstream direction.