G - Physics
01
V
340/124.3
G01V 3/00 (2006.01) G01V 3/10 (2006.01)
Patent
CA 1171493
PROXIMITY SWITCH ABSTRACT OF THE DISCLOSURE: A proximity sensor includes a housing having one compartment which houses the components of an oscillator control circuit and another compartment which houses a sensing head including a ferrite core and oscillator coil assembly. An end cap closes the open end of the sensing head compartment. A fluid passage is pro- vided in the end cap which permits fluid to flow around the oscillator coil assembly. A relatively thick seal assembly is interposed between the one compartment and the oscillator coil assembly to prevent the passage of fluid into the one compartment.
393992
Abex Corporation
Macrae & Co.
LandOfFree
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