Ceramic tipped pivot rod and method for its manufacture

Patent · Tue Jan 03 00:00:00 EST 1989

OSTI ID:6319890

Gill, D E

A pivot rod is described comprising: a mounting shaft having an interior receiving space at at least one end thereof; a pivot insert formed of a ceramic material having a maximum tensile principle stress, the pivot insert being positioned with a first portion thereof disposed within the receiving space and a second portion thereof projecting axially beyond the end of the mounting shaft; an interference fit securement between the first portion of the pivot insert and a peripheral wall of the mounting shaft circumscribing the receiving space, the interference fit securement being constructed as a means for preventing the maximum tensile principle stress of the ceramic material from being exceeded.

• Assignee: Cummins Engine Co., Inc., Columbus, IN
• Patent Number(s): US 4794894
• OSTI ID: 6319890
• Resource Relation: Patent File Date: Filed date 5 Mar 1987
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
36 MATERIALS SCIENCE
CERAMICS
FABRICATION
INTERNAL COMBUSTION ENGINES
RODS
SHAFTS
STRESSES
TENSILE PROPERTIES
ENGINES
HEAT ENGINES
MACHINE PARTS
MECHANICAL PROPERTIES
330100* - Internal Combustion Engines
360201 - Ceramics
Cermets
& Refractories- Preparation & Fabrication
360203 - Ceramics
Cermets
& Refractories- Mechanical Properties