Components for internal combustion engines

Patent · Tue Jul 08 04:00:00 EDT 1986

OSTI ID:5504114

Long, W D

This patent describes an internal combustion engine having a cylinder head and a cylinder block, a valve assembly comprised of valve guides mounted within the cylinder head, valves with valve stems positioned within and movable through the valve guides, valve spring retainer rings positioned adjacent the stem ends of the valves, rocker arms adapted to move the valves within the valve guides, push rods adapted to engage the rocker arms at one end, and having tappets positioned adjacent the opposite end, the tappets adapted to engage and be reciprocally moved by a cam, a power assembly comprised of a plurality of pistons having piston rings theron and adapted to be received within cylinder liners, positioned within the cylinder block, a plurality of piston pins movable attached within each piston to a connecting rod, a plurality of flame plates, valve seats and exhaust port liners positioned within the cylinder head and an exhaust manifold positioned adjacent the cylinder heat. The improvement described here comprises the tappets being fabricated entirely from sintered silicon carbide.

• Assignee: Kennecott Corp., Cleveland, OH
• Patent Number(s): US 4598675
• OSTI ID: 5504114
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
CARBIDES
CARBON COMPOUNDS
CONTROL EQUIPMENT
CYLINDERS
DESIGN
ENGINES
EQUIPMENT
EXHAUST SYSTEMS
FLAME PROPAGATION
FLOW REGULATORS
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
LINERS
MACHINE PARTS
MATERIALS
PISTONS
POSITIONING
SILICON CARBIDES
SILICON COMPOUNDS
SINTERED MATERIALS
SPRINGS
VALVES