Linear position sensor including a first open housing having a reciprocal, biased magnet holder and magnet and removable second housing having a hall sensor
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United States of America Patent
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Oct 15, 1996
Grant Date -
N/A
app pub date -
Jul 15, 1994
filing date -
Jul 15, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A magnet sensor or 'proximity switch' for sensing reciprocation of for example a spool within a lubrication distributor block. The sensor provides a threaded nozzle for screwing into the block with a bore therethrough. A magnet holder extends out of the nozzle and mounts a magnet thereto recessed inside the housing. The magnet holder is moveable reciprocally by the reciprocating spool. A sensor body is connected to the housing and holds a magnetic sensing element such as a Hall effect sensor adjacent to the housing for sensing the proximity of the magnetic field of the reciprocating magnet.
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