Level sensor for use with an electrically insulating liquid

Details Level sensor for use with an electrically insulating liquid Level sensor for use with an electrically insulating liquid

1986-07-14

1988-01-05

Yasich, Daniel M.

Measuring and testing

Liquid level or depth gauge

Thermal type

73304R, G01F 2324

Patent

active

047167629

ABSTRACT:
The sensor comprises an elongate housing fixed in a liquid-containing casing, said housing having a V-shaped heat sensitive resistive wire disposed longitudinally therein and connectable to a feeder and processor circuit enabling the liquid level inside the casing to be monitored at any moment. The sensor includes means for positioning the heat sensitive wire (6) so as to ensure that there is a substantially constant gap between the two branches thereof, and also so as to ensure that the plane defined by the the wire remains in a substantially stable position relative to the housing. A resilient fastening member (11) is provided for fastening the point of the V-shape and for bearing against some of said positioning means. The invention is applicable, in particular, to monitoring the level of oil in the sump of the engine or the gearbox of a motor vehicle.

REFERENCES:
patent: 2351101 (1944-06-01), Brelsford
patent: 3205709 (1965-09-01), Gearing et al.
patent: 3543586 (1970-01-01), Waute
patent: 4411155 (1983-10-01), Coulange
patent: 4583401 (1986-04-01), Schlindwern et al.

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