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A computerized leak tester system for rapidly testing a work piece for fluid leaks comprising a continuously regulated pressure supply, a coupler for connecting the pressure supply to a work piece through a valve such that the work piece is both pressurized and tested for leaks through the valve. A

A computerized leak tester system for rapidly testing a work piece for fluid leaks comprising a continuously regulated pressure supply, a coupler for connecting the pressure supply to a work piece through a valve such that the work piece is both pressurized and tested for leaks through the valve. A differential pressure transducer is connected across the valve for producing a signal in response to a differential pressure detected across the valve. A signal conversion means is provided for receiving the signal from the differential pressure transducer and for converting it into a computer readable signal. A computer is provided for receiving the computer readable signal which represents differential pressure value and for converting the differential pressure valve into a current flow rate value. Circuitry is provided in the computer for comparing the current flow rate to a predetermined flow rate value representing a maximum allowable leak rate.

대표청구항 ▼

A computerized leak tester system for rapidly testing a work piece for fluid leaks comprising: a. a continuously regulated pressure supply; b. a valve having a continuously opened restrictive orifice therethrough for producing non-laminar flow; c. means for coupling said continuously regulated press

A computerized leak tester system for rapidly testing a work piece for fluid leaks comprising: a. a continuously regulated pressure supply; b. a valve having a continuously opened restrictive orifice therethrough for producing non-laminar flow; c. means for coupling said continuously regulated pressure supply to a test piece through said valve such that said work piece is both pressurized and tested through said valve; d. a differential pressure transducer connected across said valve for producing an analog signal in response to a differential pressure created by non-laminar fluid flow and detected across said valve; e. an analog to digital conversion means for receiving said signal from said differential pressure transducer and for converting it into a digital signal; f. a digital computer for receiving said digital signal representing said differential pressure value from said converter and for converting said differential pressure value into a flow rate value and for comparing said flow rate value to a predetermined flow rate value representing a maximum allowable leak rate.