Patent Number: 6,305,420

Title: Head gasket with a check valve

Abstract: A head gasket which acts, when clamped between a head and a cylinder blockof an internal combustion engine, to form a seal around at least onelubricant or hydraulic fluid passage which extends between the head andthe block. The gasket also comprises a non-return valve which extendsacross said passage and allows flow of liquid in said passage towards thehead but prevents flow of liquid in said passage towards the block.

Inventors: Atkinson; Alan William (Nr Rugby, GB), Walsh; Melanie Jayne (Nr Daventry, GB)

Assignee:

International Classification:

Expiration Date: 10/23/2013