A valve lifter of the roller type formed of a lightweight metal preferably aluminum or magnesium alloy. A roller formed of a wear resistant ceramic material is rotatably secured to the valve lifter. The wear/bearing surfaces of the valve lifter are impregnated with a solid film lubricant to provide reduced friction during operation.
申请公布号
CA2102574(C)
申请公布日期
1998.08.11
申请号
CA19932102574
申请日期
1993.11.05
申请人
FORD MOTOR COMPANY OF CANADA, LIMITED
发明人
RAO, V. DURGA NAGESWAR;SCHAFER, GREGORY ERWIN;NATKIN, ROBERT JAY