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U.S. Department of Energy
Office of Scientific and Technical Information

Direct acting hydraulic valve lifter with integral plunger

Patent ·
OSTI ID:6776741

A direct acting hydraulic valve lifter is described which is adapted to be reciprocably guided in a guide bore in the cylinder head of an engine and which is adapted to be engaged at one end by a cam on an engine driven camshaft and to engage a valve at its opposite end, the direct acting hydraulic valve lifter including a follower body having a tubular outer wall with a first end and a second end and defining an outer peripheral surface for sliding engagement in the guide bore. The follower body further includes a web portion extending radially inwardly from the outer wall adjacent to the first end thereof, the web portion having a central aperture therethrough and a tubular plunger with a stepped bore therethrough depending integrally from the web portion concentric with the central aperture and extending axially toward the second end.

Assignee:
General Motors Corp., Detroit, MI
Patent Number(s):
US 4756282
OSTI ID:
6776741
Country of Publication:
United States
Language:
English