Measuring and testing – With fluid pressure – Motor part or auxiliary
Patent
1979-09-13
1980-11-25
Woodiel, Donald O.
Measuring and testing
With fluid pressure
Motor part or auxiliary
73 498, 73115, G01M 332
Patent
active
042351006
ABSTRACT:
A comprehensive automotive cooling system testing apparatus allows for the separate testing of the radiator and the engine block cooling passageways, in addition to the testing of the radiator cap and the complete cooling system. The testing apparatus includes a master pressurizing test unit, and adaptors to attach the unit to the various portions of the cooling system. The master pressurization test unit includes a gauge for visually observing the level of pressure, an air inlet for connecting the device to an external source of pressurized air, a manual pressure relief valve for releasing pressure when the testing is finished, and an automatic pressure relief valve for releasing pressure from the portion of the cooling system under test whenever the pressure reaches a predetermined level. The various portions of the master test unit are mounted to an air conduit which is attached to a cap similar to a radiator cap. A cylindrical adaptor is used to attach the master pressuring test unit to test a radiator filler cap. A hollow stepped cylindrical member is utilized to attach the master pressurizing test unit to a radiator hose when the radiator or engine block portions of the cooling system are to be separately tested. Solid stepped plugs are also provided for insertion into the other coolant hoses to seal the hoses.
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