A fluid control device is characterized in that the device is structured of a hollow first fluid path (21) and second fluid path (22), a housing portion (1) formed between the first fluid path and the second fluid path and having a hollow portion with a cross-sectional area larger than cross-sectional...http://www.google.co.uk/patents/US7326187?utm_source=gb-gplus-sharePatent US7326187 - Fluid control device
