A plug hole pipe 79 has thread grooves 81 formed on an outer circumferential surface thereof and causes a spark plug 11 to be pressed against a cylinder head 51 when the same is fixedly attached to the cylinder head 51 through screw engagement. The spark p...

The insert tube (1) has in both end sections at least one rubber elastic sealing element inseparably connected to it by means of vulcanizing. A centering flange (12) is provided in the cylinder head end of the tube and to it is connected a sealing element ...

Internal combustion engine comprising at least one cylinder having a cylinder head, a combustion chamber, an ignition plug member, in particular a spark plug, and a head cover, said ignition plug member being arranged in a plug thread hole leading into the...

In a cylinder head (2), a cooling water passage (12) with a circular shape (an elliptical shape) in cross section in radial direction is formed at an area (11) (lower layer deck) closer to a combustion chamber (4) than a water jacket (9) in which a cooling...

Method for injecting fuel (14a) into a combustion chamber having at least two fuel injectors (12a, 12b, 12c) of a cylinder (11) of a reciprocating internal combustion diesel engine in underload operation comprises alternately injecting the fuel so that dur...

A method for assembling a fuel injection IC engine has each cylinder fitted with an injector fed by an individual fuel pump. The pump, injector and connecting pipe are pre-assembled and fitted as a module, after leak checking. The fuel pump (12) is fitted ...