US 11,852,254 B2
Check valve cartridge with flow guide for compact backflow prevention assembly
Peter P. Bouchard, Ayer, MA (US); and Kevin Simon, Somerville, MA (US)
Assigned to Watts Regulator Co., North Andover, MA (US)
Filed by Watts Regulator Co., North Andover, MA (US)
Filed on Aug. 17, 2021, as Appl. No. 17/403,945.
Claims priority of provisional application 63/066,411, filed on Aug. 17, 2020.
Prior Publication US 2022/0049487 A1, Feb. 17, 2022
Int. Cl. F16K 15/03 (2006.01); F16K 15/06 (2006.01); E03F 7/04 (2006.01); F16K 27/02 (2006.01); E03C 1/10 (2006.01); F16K 27/12 (2006.01); E03B 7/07 (2006.01); F16K 37/00 (2006.01); F16K 17/30 (2006.01)
CPC F16K 15/066 (2013.01) [E03B 7/077 (2013.01); E03C 1/106 (2013.01); E03F 7/04 (2013.01); F16K 15/033 (2013.01); F16K 15/035 (2013.01); F16K 27/0209 (2013.01); F16K 27/12 (2013.01); F16K 17/30 (2013.01); F16K 37/0091 (2013.01); F16K 2200/501 (2021.08)] 15 Claims
OG exemplary drawing
 
1. A valve assembly comprising:
a body including: at least one bucket having a sidewall extending between an open end and a closed end along a bucket axis; and a first conduit and a second conduit extending from the sidewall of the bucket, wherein the first and the second conduits extend along a conduit axis that is generally perpendicular to the bucket axis of the at least one bucket;
a frame inserted into the bucket along the bucket axis and including a valve seat and a valve member biased against the valve seat; and
a guide in the bucket between the closed end and the frame and extending along a guide axis between: a first opening arranged in a first plane and aligned to receive fluid flow from the first conduit; and a second opening arranged in a second plane and aligned to direct fluid flow through the valve seat,
wherein the first and second planes are not parallel to one another.