APPARATUS FOR DETERMINING ANTI-SKID PROPERTIES OF ROAD SURFACES

The measuring wheel (1) with sensors (8) of longitudinal force, compression force (11) and revolutions (7) is fixed by means of a parallel link hitch (9) to the body work (13) of the car and is pushed towards the measured road surface by a linear hydraulic motor (10). The parallel link hitch (9) con...

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Bibliographic Details
Main Authors HAVLIK JIRI, SEVCIK FRANTISEK CSC, BAZALA ANTONIN CSC
Format Patent
LanguageEnglish
Published 13.04.1994
Edition5
Subjects
ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS
MEASURING
MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE
MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
PHYSICS
TARIFF METERING APPARATUS
TESTING
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Summary:The measuring wheel (1) with sensors (8) of longitudinal force, compression force (11) and revolutions (7) is fixed by means of a parallel link hitch (9) to the body work (13) of the car and is pushed towards the measured road surface by a linear hydraulic motor (10). The parallel link hitch (9) consists of a reference wheel (16) with sensor (25) of distance covered. Derived from the camshaft (17) of the drive aggregate (37) is the drive for the air compressor (19), which is connected to the pressure tank (20) equipped with pressure reducer valve (21) which controls the pressure difference required for expulsion of the required amount of spraying liquid from the storage tanks through a set of solenoid valves to the measured road surface.
Bibliography:Application Number: CS19890004151