Jeffrey R Kerr

US Patent:

20100200087, Aug 12, 2010

Filed:

Feb 9, 2009

Appl. No.:

12/367912

Inventors:

LAWRENCE J. ANDREWS - CHESWICK PA, US
JEFFREY D. KERR - CLARIDGE PA, US
TIMOTHY J. BOTTI - IRWIN PA, US

Assignee:

PBM, INC. - IRWIN PA

International Classification:

F16K 15/00

US Classification:

137528, 137532, 13753317

Abstract:

A check valve includes a valve body defining an internal chamber and a valve seat disposed within the internal chamber adjacent to one of the first and second ends of the valve body. A poppet is mounted for linear movement along a poppet axis within the internal chamber between the first and second ends of the valve body and has a predetermined cross-sectional shape in a direction transverse to the poppet axis, a peripheral rim defining a movement guiding surface, a frustoconical surface provided in one axial end of the poppet and oriented in a direction toward the one end of the valve body, a sealing bead disposed on the frustoconical surface, and a predetermined plurality of passages formed in a predetermined pattern through at least one of the peripheral rim and the frustoconical surface in open communication with an opposed axial end of the poppet.

Author:

Jeffrey B. Kerr

ISBN #:

0723430721