Patent ID: 8011094
Filing Date: 2011-09-06
Classification: F02B,F02D,F02M,Y02T,Y10T

Abstract:
1. A method of converting a diesel engine to a natural gas engine characterized by an intake manifold, a cylinder head having one or more injector openings which receive a fuel injector, and one or more pistons in corresponding cylinders, said method comprising: removing said fuel injectors from said openings; inserting a spark plug into each of said openings; installing a throttle body adaptor on said intake manifold; installing a throttle body on said adaptor, said throttle body having a throttle plate which responds to actuation of an accelerator pedal and opens to allow more air/fuel into the intake manifold; modifying said pistons to decrease the compression ratio in said cylinders during operation of said engine; and modifying said pistons to have a three-ring or four-ring piston assembly; and wherein said throttle body adaptor further comprises a flange and a hose, said hose engaging said flange and engaging said intake manifold.