Patent ID: 9273605
Filing Date: 2016-03-01
CPC Classification: F02B,F02D

Claim Text:
1. A variable compression ratio mechanism for an engine ( 2 ) having at least one cylinder ( 4 ), a piston ( 6 ) mounted for reciprocating movement in cylinder ( 4 ), a crankcase assembly ( 8 ), a crankshaft ( 10 ) rotatably mounted in crankcase ( 8 ), crankshaft ( 10 ) defining a crankshaft axis ( 12 ) about which crankshaft ( 10 ) rotates in crankcase ( 8 ), a connecting rod ( 14 ) connecting piston ( 6 ) to crankshaft ( 10 ), a cylinder head ( 16 ) for sealing cylinder ( 4 ), and a cylinder head assembly ( 18 ), cylinder head ( 16 ) and cylinder ( 4 ) being part of cylinder head assembly ( 18 ), crankshaft ( 10 ) having at least a front main bearing ( 17 ) and a rear main bearing ( 19 ), and, a control shaft ( wherein primary control shaft bearings ( moment retaining means (