Apparatus and method for testing products for leaks

Details Apparatus and method for testing products for leaks Apparatus and method for testing products for leaks

1978-06-19

1980-02-12

Watkins, Donald

Measuring and testing

With fluid pressure

Leakage

G01M 328

Patent

active

041877179

ABSTRACT:
A product having primary and secondary air chambers is tested for leaks by pressurizing such chambers to substantially different pressures from a common supply air source. Subsequent to charging the chambers to the predetermined pressures, any air flow occurring from the supply air source is indicative of a product leak. Secondary air is supplied to the product secondary air chamber through an electrically operated valve provided with signals by a transducer which senses the pressure in the secondary air chamber.

REFERENCES:
patent: 2908158 (1959-10-01), Jacobsson
patent: 3188855 (1965-06-01), Dega
patent: 3233447 (1966-02-01), Horrell
patent: 3827285 (1974-08-01), Grove
patent: 3987664 (1976-10-01), Hass

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