| 摘要 |
<p>The milk frothing device (1) has steam feed line (2), air supply line (3), milk supply line (4) and mixing region (5). The air supply pipe connected with steam feed pipe is inserted into mixing region. A compressed air source (6) is provided in one region of ??air supply line for blowing the air. An airflow-limiting device (8) is provided in upstream of compressed air source to regulate the air blowing in the air supply line based on pressure prevailing in the steam feed pipe. The airflow-limiting device has diaphragm made of sintered metal or ceramic.</p> |
