Fuel cap tester

Fuel cap tester

An apparatus and a method for testing the integrity of fuel or gas caps for leaks is disclosed. A microprocessor controls the pressurization of an air reservoir which selectively allows air to pass to either the combination of the fuel cap under test and a reference orifice or to only the reference...

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Hauptverfasser: HART GEORGE R, BAUMAN ROBERT L, DOCY MICHAEL J
Format: Patent
Sprache:eng
Schlagworte:
MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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creator HART GEORGE R
BAUMAN ROBERT L
DOCY MICHAEL J
description An apparatus and a method for testing the integrity of fuel or gas caps for leaks is disclosed. A microprocessor controls the pressurization of an air reservoir which selectively allows air to pass to either the combination of the fuel cap under test and a reference orifice or to only the reference orifice and computes the ratio of the time required for the pressure within the air reservoir to drop between predetermined pressure levels for the combination of the fuel cap under test and the reference orifice versus only the reference orifice and compares same against a standard ratio to determine whether the leakage rate through the fuel cap meets an acceptable limit.
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subjects MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
title Fuel cap tester
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