US 11,939,206 B2
Fluid control system and method
Tuan Le, Fountain Valley, CA (US); and Adam Sampson, Romana, CA (US)
Assigned to FLUIDMASTER, INC., San Juan Capistrano, CA (US)
Filed by FLUIDMASTER, INC., San Juan Capistrano, CA (US)
Filed on Jan. 22, 2021, as Appl. No. 17/155,675.
Application 17/155,675 is a continuation of application No. 16/057,352, filed on Aug. 7, 2018, granted, now 10,899,598.
Claims priority of provisional application 62/542,556, filed on Aug. 8, 2017.
Claims priority of provisional application 62/542,221, filed on Aug. 7, 2017.
Prior Publication US 2021/0284523 A1, Sep. 16, 2021
Int. Cl. B67D 7/02 (2010.01); E03D 3/12 (2006.01); E03D 5/02 (2006.01); F16K 31/18 (2006.01)
CPC B67D 7/02 (2013.01) [E03D 3/12 (2013.01); E03D 5/024 (2013.01); F16K 31/18 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A fluid controller comprising:
an actuator bellows,
a fill vent,
a poppet valve, and
a first stage configuration;
wherein the actuator bellows is expanded in the first stage configuration;
wherein the fill vent is open to atmospheric pressure in the first stage configuration; and
wherein a vacuum is formed on either side of the poppet valve in the first stage configuration.