Leakage detection apparatus for drum wheels and method therefore
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 21, 1989
Grant Date -
N/A
app pub date -
Mar 23, 1987
filing date -
Mar 23, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A leakage detection apparatus for drum wheels having a pair of plates which sealingly engage the wheel to define an inner first chamber under vacuum, a reciprocating container enveloping the engaged plates and wheel to define an annular helium chamber sharing the wheel as a common wall with the inner first chamber, a probe gas introduced into the annular helium chamber, and a mass spectrometer, in gaseous communication with said inner first chamber scanning for a trace of the probe gas indicating the presence of a leak path in the structual integrity of the wheel. A method of use is also disclosed.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully