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Membrane Switches Check Seal PressureArray of flexible membrane switches used to indicate closure of seal. Switch membrane responds to pressure exerted by rigid surface on compliant sealing medium and provides switch contacts monitored electronically. Membrane switches connected in series and placed under seal. When all switches are closed lamp or LED lights up, indicating requisite seal pressure has been realized at all switch positions. Principle used to ensure integrity of seals on refrigerator and oven doors, weatherstripping, hatches, spacecraft, airplanes, and submarines.
Document ID
19830000373
Document Type
Other - NASA Tech Brief
Authors
Hodgetts, P. J.
(Rockwell International Corp.)
Stuckenberg, F. H.
(Rockwell International Corp.)
Morrissey, E. T.
(Rockwell International Corp.)
Date Acquired
August 11, 2013
Publication Date
April 1, 1984
Publication Information
Publication: NASA Tech Briefs
Volume: 8
Issue: 1
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
MSC-20468
Accession Number
83B10373
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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