Pressure-controlled electrical relay device
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United States of America Patent
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Jan 9, 2018
Issued Date -
N/A
app pub date -
May 11, 2016
filing date -
Jun 12, 2015
priority date (Note) -
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Abstract
An electrical relay device includes a housing, a wire coil, an actuator assembly, and a shell. The housing extends between a closed end and an open end and defines a chamber. The wire coil and the actuator assembly are within the chamber. The actuator assembly is configured to move between a first position, in which a movable contact is spaced apart from at least one stationary contact, and a second position, in which the movable contact engages the at least one stationary contact, based on a magnetic field induced by current through the wire coil. The shell seals the open end of the housing to seal the chamber. The shell has a pressure relief valve in flow communication with the chamber. The pressure relief valve is configured to open in response to a pressure within the chamber exceeding a threshold set pressure to reduce the pressure within the chamber.
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