Patent ID: 9217365
Filing Date: 2015-12-22
Classification: F01B,F02B,F02D

Abstract:
1. An internal combustion engine comprising: two banks of four piston and cylinder assemblies arranged in an inverted V configuration so that there are four pairs of assemblies; wherein each pair of cylinders has an assembly from each bank; each pair having cylinders with adjacent combustion chambers intercommunicated by a passage extending therebetween, crank shaft driven pistons in said cylinders movable within the combustion chambers thereof through successive cycles each including a compression stroke followed immediately by a power drive stroke and computer controlled fuel injectors configured to be selectively controlled to operate either to inject fuel into (1) both cylinders of a pair to establish therein a double fire single expansion mode ( 1 ) and ( 2 ) into only one cylinder of a pair to establish therein a single fire double expansion mode ( 2 ).