Patent ID: 9212658
Filing Date: 2015-12-15
Classification: F04B,H04R

Abstract:
1. A pump facility for an earmold of a hearing device, which comprises: a channel facility fluidically connectable with a variable-volume element of the earmold, enabling a medium to flow through said channel facility to and from the variable-volume element when the variable-volume element is fluidically connected to said channel facility; a filling mechanism configured for pumping and conveying the medium to the variable-volume element through said channel facility; a drainage mechanism embodied for pumping and conveying the medium away from the variable-volume element through said channel facility; a first valve assembly configured to control or enable an inflow of the medium from said filling mechanism to the variable-volume element; and a second valve assembly configured to control or enable an out-flow of the medium from the variable-volume element to an outlet, wherein each of said first valve assembly and said second valve assembly is controlled and/or enabled separately from one another.