Leak detection device and method for checking objects for fluid tightness by means of a leak detection device
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United States of America Patent
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Dec 12, 2017
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app pub date -
May 18, 2012
filing date -
Jul 14, 2011
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Abstract
A leak detection device has a test chamber which, for evacuation, is connected to an evacuation pump device. Moreover, the test chamber is connected by a test gas line to a test gas pump device. The test gas pump device is connected, at its main inlet, to a test gas detector, such that a detection of test gas can take place using the counter-current principle. A valve device is arranged in the test gas line. This valve device has a test gas chamber for temporary storage of test gas removed from the test chamber.
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