Roller follower hydraulic tappet

Patent · Tue Aug 26 04:00:00 EDT 1986

OSTI ID:5286121

Buente, S M; Clark, D P

A hydraulic lash adjusting tappet is described for use in the valve gear of an internal combustion engine comprising: (a) body means having the outer periphery thereof adapted for sliding movement in a bore provided in the engine, the bore of the type supplied by an oil passage communicating therewith; (b) roller follower means rotatably received on one end of the body means, the roller follower means adapted for rolling contact with an engine camshaft; (c) registration surface means adapted for moveable registration thereagainst comprising at least one especially configured surface formed on the body means remote from the follower means and adapted for registration thereagainst for orienting the body means in the bore for ensuring proper alignment of the roller means with the engine camshaft; (d) plunger means, including hydraulic lash adjusting means, the plunger means moveably received in a cavity formed in the body means, the plunger formed to interfit the cavity so as to form a hydraulic pressure chamber and define precision leakdown surfaces.

• Assignee: Eaton Corp., Cleveland, OH
• Patent Number(s): US 4607599
• OSTI ID: 5286121
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
ALIGNMENT
CONTROL
CONTROL EQUIPMENT
ENGINES
EQUIPMENT
FLOW REGULATORS
FLUID FLOW
HEAT ENGINES
HYDRAULIC EQUIPMENT
INTERNAL COMBUSTION ENGINES
LEAKS
LUBRICANTS
LUBRICATING OILS
MACHINE PARTS
MOTION
OILS
ORGANIC COMPOUNDS
ORIENTATION
OTHER ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
PRESSURE CONTROL
ROTATION
SHAFTS
SPACE DEPENDENCE
VALVES