Collapsible Patents (Class 217/103)
  • Patent number: 11619218
    Abstract: The invention relates to a positive displacement pump (10) comprising a pump body (11, 101, 201) comprising an inlet end (16, 116, 216) and an outlet end (18, 118, 218), a pumping chamber (30, 130, 230) arranged between said inlet end (16, 116, 216) and said outlet end (18, 118, 218), at least one membrane (20, 120, 220) active in the pumping chamber (30, 130, 230) and mobile between an expanded configuration in which the volume of the pumping chamber (30, 130, 230) is maximum and a retracted configuration in which the volume of the pumping chamber (30, 130, 230) is minimum, a delivery valve (46, 146, 246) arranged close to the outlet end (18, 118, 218) of the pump body (11, 101, 201), an intake valve (26, 126, 226) comprising an intake mouth (27, 127, 227), an outlet mouth (28, 128, 228) and a valve wall (29, 129, 229) that joins the intake mouth (27, 127, 227) to the outlet mouth (28, 128, 228), the intake mouth (27, 127, 227) being coupled to the inlet end (16, 116, 216) of the pump body (11, 101, 201) and
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: April 4, 2023
    Assignee: IDEE & PRODOTTI S.R.L.
    Inventor: Vincenzo Di Leo