| 摘要 |
<p>An apparatus for checking leakage of a test gas through a wheel (14, 16). The apparatus comprises wheel recognition apparatus (18) for generating a first signal indicative of selected parameters of a wheel (14, 16), a test cell (30) for applying a differential pressure of a test gas through a selected portion of the wheel, and detecting apparatus (22) for determining a leak rate of the test gas through the selected portion of the wheel (14, 16). The detecting apparatus (22) generates a second signal indicative of the leak rate. The apparatus includes a microprocessor (42) operatively connected to the recognition apparatus (18) for receiving and processing the first signal to determine the model of the wheel (14, 16) from among a group of preselected model wheels. The apparatus is also operatively connected to the test cell (30) for controlling operation of the detecting apparatus (22) according to the model of the wheel, and to the detecting apparatus (22) to generate a record of the leak rate.</p> |
