Invention Grant
- Patent Title: Flush valve anti-backflow cartridge
- Patent Title (中): 冲洗阀防回流筒
-
Application No.: US13039800Application Date: 2011-03-03
-
Publication No.: US08826937B2Publication Date: 2014-09-09
- Inventor: Frank A. Stauder , Xan Vy Du , Robert Kropiniewicz
- Applicant: Frank A. Stauder , Xan Vy Du , Robert Kropiniewicz
- Applicant Address: CA London, Ontario
- Assignee: Masco Canada Limited
- Current Assignee: Masco Canada Limited
- Current Assignee Address: CA London, Ontario
- Agency: Carlson, Gaskey & Olds, PC
- Main IPC: E03D3/04
- IPC: E03D3/04 ; F16K21/12 ; E03C1/10

Abstract:
A flush valve has a valve body having an inlet and an outlet, a piston disposed in the valve body between the inlet and the outlet, a cartridge disposed in the outlet and a plurality of check valves disposed serially within the cartridge for preventing backflow through the outlet and wherein vacuum effects are minimized.
Public/Granted literature
- US20110226357A1 FLUSH VALVE ANTI-BACKFLOW CARTRIDGE Public/Granted day:2011-09-22
Information query