Gas engine cylinder head, and a method of retrofitting the head

Details Gas engine cylinder head, and a method of retrofitting the head Gas engine cylinder head, and a method of retrofitting the head

1992-11-23

1993-07-27

Nelli, Raymond A.

Internal-combustion engines

Precombustion and main combustion chambers in series

Precombustion chamber assembly inserted in spark plug hole

F02B 1900

Patent

active

052303136

ABSTRACT:
The cylinder head has a conventional spark plug, therein, for engine start-up, and has a precombustion chamber unit mounted therein as well, for cleaner, more stable normal running of the engine. The method defines the reaming out of spark plug apertures in the head to accommodate the installation of the precombustion chamber unit.

REFERENCES:
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patent: 4542724 (1985-09-01), Blais
patent: 4646695 (1987-03-01), Blackburn
patent: 4930473 (1990-06-01), Dietrich
patent: 4977873 (1990-12-01), Cherry et al.

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