Invention Grant
- Patent Title: Check valve having two seats
- Patent Title (中): 止回阀有两个座位
-
Application No.: US11938428Application Date: 2007-11-12
-
Publication No.: US08397748B2Publication Date: 2013-03-19
- Inventor: Kenneth Bram , Francis J. Martin
- Applicant: Kenneth Bram , Francis J. Martin
- Applicant Address: US NY Port Washington
- Assignee: Ausco, Inc.
- Current Assignee: Ausco, Inc.
- Current Assignee Address: US NY Port Washington
- Agency: F. Chau & Associates, LLC
- Main IPC: F16K31/12
- IPC: F16K31/12

Abstract:
A valve includes a body, a cavity in the body, and a check valve formed in the cavity. The check valve includes a poppet having a first end and a second end, and a first seat and a second seat, wherein the first seat is formed at the first end, the second seat is formed at the second end, and a diameter of the second seat is greater than a diameter of the first seat.
Public/Granted literature
- US20090120514A1 CHECK VALVE HAVING TWO SEATS Public/Granted day:2009-05-14
Information query