Rollerized timing lifter

Patent · Tue May 03 04:00:00 EDT 1988

OSTI ID:7007371

Rhodes, G E

A rollerized timing lifter assembly is described comprising: a first tubular roller body sleeve having a top end and a bottom end; a roller; means for mounting the roller on the bottom end of the first tubular roller body sleeve; the first tubular roller body sleeve having an oil collecting channel and an oil feed port hole extending through the first tubular roller body sleeve; a second tubular body with a top end and a closed bottom end that is placed within the first tubular roller body sleeve and engaged telescopically a shoulder at near bottom of the first tubular roller body sleeve; the second tubular body having an external collecting channel positioned around the second tubular body and a second port hole to admit oil through the second tubular body; a hollow cylindrical plunger axially slideable in the second tubular body and enclosing a pressure chamber in the lower end of the second tubular body; a port in the plunger communicating with the first and second mentioned ports to admit oil into the plunger; and a valve in the plunger opening into the pressure chamber and means for receiveably capturing the bottom end of a push rod in a top end of the plunger.

• Assignee: NOV; NOV-88-016005; EDB-88-130623
• Patent Number(s): US 4741298
• OSTI ID: 7007371
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
BEARINGS
CYLINDERS
ENGINES
FLUID MECHANICS
HEAT ENGINES
HYDRAULICS
INTERNAL COMBUSTION ENGINES
LUBRICATION
MECHANICS
OPERATION
RODS
TIMING PROPERTIES
TUBES