| 摘要 |
<p>A dispenser for foamed soap contains a housing accommodating a soap container and a foam-producing unit. A first pump is provided in a delivery path of the soap from the container to a foam-producing unit. A second pump is provided in the delivery path of air to the foam-producing unit. Every pump is associated with a respective electric motor and has a control which can be used to adjust the ratio of the delivery volumes of air and soap by changing the speed of one of the two electric motors.</p> |
