US Patent No. 9,285,012

INTERNAL COMBUSTION ENGINE WITH COMPENSATION WEIGHT ARRANGED ON THE CRANKSHAFT AND SERVING AS AN IMBALANCE, AND METHOD FOR PRODUCTION OF THE CRANKSHAFT


Patent No. 9,285,012
Issue Date March 15, 2016
Title Internal Combustion Engine With Compensation Weight Arranged On The Crankshaft And Serving As An Imbalance, And Method For Production Of The Crankshaft
Inventorship Rainer Lach, Wuerselen (DE)
Joerg Bonse, Wuerselen (DE)
Assignee Ford Global Technologies, LLC, Dearborn, MI (US)

Claim of US Patent No. 9,285,012

17. An internal combustion engine with cylinders and with a crank drive comprising a crankshaft having an axis, the engine
comprising:
a crankcase in which the crankshaft is mounted, said crankcase having a crankshaft throw for each cylinder, said throws being
arranged spaced apart along the crankshaft axis; and

a compensation weight extending from a periphery of one or more of said crankshaft throws and being arranged on the crankshaft,
said weight having an outward-facing side that has an arcuate form, said outward-facing side runs in the peripheral direction
and has a constant distance from a reference axis that is parallel to the crankshaft axis and spaced by a distance ?.