Litton Industrial Automation Systems, Inc.

Herbert Meyer

Orrin Pierce Beggs

A cylinder head flow test apparatus and method for testing cylinder heads for blockages in water passages wherein blockages in the water passages contained in the cylinder head can be detected by blowing low pressure air at a high velocity into the water passages and measuring the resulting back pressure produced by restrictions within the water passages. The disclosed method and apparatus include means for selectively testing the water passages in a cylinder head and for comparing the back pressure readings obtained from the test to back pressure readings previously obtained from a cylinder head whose water passages are known to have no blockages. An apparatus and method also disclosed for simultaneously testing all water passages in a cylinder head for blockages.

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Rockford, IL, United States of America

Herbert Meyer