Measuring and testing – Liquid level or depth gauge – Float
Patent
1976-06-25
1977-07-12
Queisser, Richard C.
Measuring and testing
Liquid level or depth gauge
Float
73318, 338 33, 340 59, 340244B, G01F 2310
Patent
active
040346080
ABSTRACT:
A device designed to replace the conventional automotive dipstick wherein the level of oil in an automotive crankcase is continually monitored by means of a direct readout on a visual gauge mounted on a vehicle dashboard or other convenient location within the automotive passenger compartment. The device consists of a length of cylindrical tubing threadably adjustable within a cap to predetermine its overall length as required by the specific oil reservoir, a float mechanism attached to the bottom end of the cylinder tubing, with the float being mechanically and electrically connected to a float resistor. The float lowers as the oil in the crankcase is depleted so as to register a corresponding reading on the visual gauge in the automotive passenger compartment.
REFERENCES:
patent: 2127422 (1938-08-01), Phaneuf
patent: 2598835 (1952-06-01), Ryan
patent: 2604522 (1952-07-01), Monroe
patent: 2820957 (1958-01-01), McDougal
patent: 3002186 (1961-09-01), Schlangen
patent: 3279380 (1966-10-01), Clark
Queisser Richard C.
Yasich Daniel M.
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