| 摘要 |
An exchanging/storing device of the type with filler bodies containing spherical, rigid shells partially filled with a calorie and/or frigorie storage agent having a high latent liquid-solid conversion heat, such as water, salt hydrates or paraffins and with a compressible material for absorbing the volume changes of the storage agent during its phase conversion, comprising means for increasing the exchange surface area, characterised in that said means are three-dimensional projections (18) on the shells of said filler bodies (10), all of which have an axis of symmetry (20) passing through the centre of symmetry of their base (22) and the centre (O) of the filler body, in that the base (22) of the three-dimensional projections (18) are all equal and identical and in that the three-dimensional projections are uniformly distributed on the entire surface of the shell (12). |
