Inverted bucket tappet with improved seal and valve stem pad

Patent · Tue Aug 09 04:00:00 EDT 1988

OSTI ID:6811710

Kowai, S J

A self-contained lash adjuster is described including a generally cylindrical cup-shaped follower having an end face, a lash adjuster cartridge assembly within the follower, the cartridge assembly including a body positioned against the follower end face and a reciprocally movable plunger within the body, a high pressure chamber between the plunger and body, a plunger passage opening into the high pressure chamber, a check valve controlling fluid flow through the plunger passage, the plunger having an open end spaced from the high pressure chamber, a valve stem pad closing the plunger open end, and an annular expandable seal member extending about the cartridge assembly and attached at one end to the body and at the other end to the plunger and extending in part and compressed between the plunger and valve stem pad, the seal member defining a reservoir exteriorly of the cartridge assembly, the plunger having openings therein in communication with the reservoir.

• Assignee: Stanadyne, Inc., Windsor, CT
• Patent Number(s): US 4762100
• OSTI ID: 6811710
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
ACCUMULATORS
CONTAINERS
CONTROL EQUIPMENT
CYLINDERS
DESIGN
ENGINES
EQUIPMENT
FLOW REGULATORS
FLUID FLOW
HEAT ENGINES
HYDRAULIC ACCUMULATORS
HYDRAULIC EQUIPMENT
INTERNAL COMBUSTION ENGINES
MECHANICAL ENERGY STORAGE EQUIPMENT
OPERATION
RELIEF VALVES
SEALS
TANKS
VALVES