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US 7,243,629 B2Granted
Hydraulic valve lifter assembly
AssigneeDelphi Technologies, Inc.
InventorMark J. Spath
Life of this patent
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Abstract
A hydraulic valve lifter assembly including a lifter body and a cam follower. The cam follower is mounted to an end of the lifter body wherein the lifter body has a first diameter over a first body portion for engaging a wall of an engine bore. The lifter body also including a second diameter smaller than the first diameter over a second body portion supportive of the cam follower. The hydraulic valve lifter assembly further including a contiguous annular transitional chamfer between the first and second diameter portions of the lifter body.
Claims6
A hydraulic valve lifter assembly, comprising:
- a lifter body including a first body portion and a second body portion, said first body portion including a first diameter for engaging a wall of an engine bore, said second body portion extending from an end of said first body portion and including a second diameter that is smaller than said first diameter,
- a cam follower mounted within said second diameter;
- and
- an annular transitional chamfer extending between said first and second body portions of said lifter body.
1 more element
Dependencies are inferred from the claim text.