Patent ID: 7845331
Filing Date: 2010-12-07
Classification: F02B,F02F,F16J

Abstract:
1. A seal structure for an internal combustion engine, the engine having a crankcase formed of a first section and a second section retained together by a crankcase fastener extending into a fastener hole, each of the first and second sections including a mating face surface, one of the mating face surfaces including a seal groove, the first and second sections further defining a bearing pocket therebetween, a bearing being located within the bearing pocket and including an outer race, and a crankshaft being supported for rotation within the crankcase by the bearing, the seal structure being located within the seal groove and including: a main seal link having a nominal thickness; at least one fastener seal connected to the main seal link and adapted to surround at least a portion of the crankcase fastener hole; and an enlarged bearing seal operatively connected to the at least one fastener seal and in sealing abutment with at least a portion of the outer race of the bearing, the enlarged bearing seal having a total thickness greater than the nominal thickness of the main seal link.