Chemical feeder for introducing chemicals into a swimming pool
Номер патента: NZ560748A
Опубликовано: 27-11-2009
Автор(ы): Anthony R Orchard, Christopher M Zetena, David W Blanchette, Michael Paloian
Принадлежит: Arch Chem Inc
Опубликовано: 27-11-2009
Автор(ы): Anthony R Orchard, Christopher M Zetena, David W Blanchette, Michael Paloian
Принадлежит: Arch Chem Inc
Реферат: A feeder device 20 for introducing one or more chemicals to a fluid comprising a housing 40 having an inlet 28 through which the fluid flows into the feeder device 20 at an inlet flow rate and an outlet 36 through which the fluid flows out of the feeder device 20 at an outlet flow rate, a hopper 70 having sidewalls 72 and at least an open bottom 74, the hopper 70 defining a top portion of the housing 40, a grid 76 at least partially closing the open bottom 74, the grid 76 having a top surface 78 and a bottom surface 80, the grid 76 and the hopper 70 adapted to hold the one or more chemicals so that the one or more chemicals are supported by the top surface 78 and are contained by the hopper sidewalls 72, a dissolving cup 82 at least partially containing the hopper 70 and the bottom surface of the grid 76, the dissolving cup having a bottom surface 84 and sidewalls 86 joined thereto, the sidewalls 86 extending upwardly above the top surface 78 of the grid 76, the bottom surface 84 including a center nozzle 90 in fluid communication with the inlet 28 and oriented vertically toward the grid 76, the bottom surface 84 positioned a predetermined distance from the top surface 78 of the grid 76, the sidewalls 86 having an opening 88 formed therein, the opening 88 having a predetermined cross-sectional area, a spout fluidly connected with the opening 88, the spout defining a horizontal channel having channel walls and a channel floor, the channel floor positioned a predetermined distance above the bottom surface of the dissolving cup, and an outlet chamber in fluid communication with the spout and the outlet 36, the outlet chamber defining a bottom portion of the housing 40.
Autonomous Swimming Pool Skimmer
Номер патента: US20190301186A1. Автор: J. Murray Smith, Jr.. Владелец: Individual. Дата публикации: 2019-10-03.