초록 ▼

A method and apparatus for leak testing a first and a second cavity of a part. A fixture is provided for engaging and individually sealing the cavities of the part. Pressurized fluid from a pressure source is introduced into each of the cavities. The first cavity is allowed to stabilize and its leak

A method and apparatus for leak testing a first and a second cavity of a part. A fixture is provided for engaging and individually sealing the cavities of the part. Pressurized fluid from a pressure source is introduced into each of the cavities. The first cavity is allowed to stabilize and its leak rate is measured using a pressure-measuring device. The first cavity is then vented. Upon stabilization of the second cavity, the leak rate thereof is similarly measured. The second cavity is then also vented. The leak rates are then evaluated to determine if a leak is present in either of the cavities.

대표청구항 ▼

[ What is claimed is:] [1.] A method of leak testing a part comprising the steps of:providing a fixture;mounting a part to be tested to said fixture, said fixture cooperating with said part to define and seal a first, a second, and a third cavity;introducing pressurized fluid from a pressure source

[ What is claimed is:] [1.] A method of leak testing a part comprising the steps of:providing a fixture;mounting a part to be tested to said fixture, said fixture cooperating with said part to define and seal a first, a second, and a third cavity;introducing pressurized fluid from a pressure source into each of said cavities;begin stabilizing said first and second cavities;measuring a leak rate of said first cavity upon stabilization of said first cavity;venting said first cavity;measuring a leak rate of said second cavity upon stabilization of said second cavity; andventing said second cavity;measuring a leak rate of said third cavity upon stabilization of said third cavity; andventing said third cavity.