FIELD: mechanics.
SUBSTANCE: sealed instrument housing automatic pressure compensation system incorporates pressure equalizer communicating with the instrument sealed housing inner space and representing easy-to-deform material tight vessel. The aforesaid vessel allows reaching the maximum volume equal to the difference between the volumes of gas in the housing inner space at maximum tolerable pressure and ambient temperature variations.
EFFECT: simpler design, higher reliability and smaller sizes.
2 cl, 2 dwg
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