JP2975108B

JP2975108B

PCT No. PCT/EP90/02037 Sec. 371 Date Sep. 14, 1992 Sec. 102(e) Date Sep. 14, 1992 PCT Filed Nov. 28, 1990 PCT Pub. No. WO91/11707 PCT Pub. Date Aug. 8, 1991.An apparatus for determining the boiling temperature of a brake fluid to in turn determine the water content therein includes an electrically h...

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Bibliographische Detailangaben
Hauptverfasser: MAI ARUNO, ROOBERUKU PEETAA, KURAIN HANSUUKURISUTOFU, OBAADORUFUAA DEIITOMAA, PURYUKETSUTO URURITSUHI, KURAUZE HANSU YOAHIMU
Format: Patent
Sprache:eng
Schlagworte:
ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL
BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PERFORMING OPERATIONS
PHYSICS
PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES
TESTING
TRANSPORTING
VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF
VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
VEHICLES IN GENERAL
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Zusammenfassung:PCT No. PCT/EP90/02037 Sec. 371 Date Sep. 14, 1992 Sec. 102(e) Date Sep. 14, 1992 PCT Filed Nov. 28, 1990 PCT Pub. No. WO91/11707 PCT Pub. Date Aug. 8, 1991.An apparatus for determining the boiling temperature of a brake fluid to in turn determine the water content therein includes an electrically heatable sensor element (13) immersed into the fluid under test, a power source (12) supplying a current of a constant amplitude, and a measuring system (15) for measuring the voltage drop on the sensor element (13). A stable cellular convection heat transfer mechanism into the surrounding fluid arises, with the voltage drop across the sensor element (13) being indicative of the boiling point of the fluid. The sensor element is in the form of a linear conductor (13', 20, 21) clamped on either end. The sensor element also may comprise a plurality of linear conductors (13', 20, 21) of this type connected in parallel or in series.