A thermal anemometer or mass flow meter having temperature and flow velocity sensor elements is provided in which a thin film temperature sensor is provided in the heated sensor of the fluid velocity sensor element of the system. The thin-film sensor is captured at least partially within a spacer or...http://www.google.com.au/patents/US6971274?utm_source=gb-gplus-sharePatent US6971274 - Immersible thermal mass flow meter
