US 11,885,148 B2
Pool aerator
Octavian Paul Chivulescu, Voluntari (RO)
Appl. No. 17/423,841
Filed by Octavian Paul Chivulescu, Voluntari (RO)
PCT Filed Jun. 16, 2020, PCT No. PCT/RO2020/000009
§ 371(c)(1), (2) Date Jul. 16, 2021,
PCT Pub. No. WO2021/015634, PCT Pub. Date Jan. 28, 2021.
Claims priority of application No. a 2019 00453 (RO), filed on Jul. 25, 2019; and application No. u 2019 00036 (RO), filed on Nov. 1, 2019.
Prior Publication US 2022/0081922 A1, Mar. 17, 2022
Int. Cl. E04H 4/16 (2006.01); B05B 15/74 (2018.01); E04H 4/12 (2006.01); B01F 23/2326 (2022.01)
CPC E04H 4/169 (2013.01) [B01F 23/2326 (2022.01); B05B 15/74 (2018.02); E04H 4/1245 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A swimming pool aerator provided with a water recirculation circuit, comprising:
a spray body with a Venturi tube channel and an atmospheric air intake pipe above a pool, wherein:
said spray body includes a frustoconical plastic tube, provided at a first, smaller diameter end with a connecting means to a recirculating water outlet in the pool, below a pool water level,
a second, larger diameter end of the frustoconical plastic tube is a jet outlet of aspirated air together with recirculated water, in pool water,
an axis of the frustoconical plastic tube is inclined at an angle (a) between 10-20 degrees to the perpendicular to a base plane of the connecting means, and in a first third of length of the spray body from the end with the connecting means, and
said spray body is provided with a cylindrical branch also acting as guide, in which a lower end of the intake pipe is configured to slide until the lower end of the intake pipe reaches an inner wall of the frustoconical plastic tube.