Ignition device with precombustion chamber coated with a...

Details Ignition device with precombustion chamber coated with a... Ignition device with precombustion chamber coated with a...

2007-05-01

2007-05-01

Argenbright, T. M. (Department: 3747)

Internal-combustion engines

Precombustion and main combustion chambers in series

Vaporizing in precombustion chamber

C123S266000, C123S270000, C123S293000

Reexamination Certificate

active

10531721

ABSTRACT:
The invention concerns an ignition device for internal combustion engine, containing:a main chamber (1) designed for including a main combustible mixture, and fitted with a compression system of said mixture, andan igniter (11) containing a precombustion chamber (2) designed for receiving reactants and an ignition system (13,14) of the reactants contained in the precombustion chamber (2), said precombustion chamber (2) being defined by a precombustion chamber body (12) having a head (12a) including at least one passageway (15), said head (12a) of the precombustion chamber body separating the precombustion chamber (2) from the main chamber (1) and communicating the precombustion chamber (2) and the main chamber (1) by dint of the passageway(s) (15),characterised in that the head (12a) is coated at least partially externally with a coating layer (R) of at least one refractory material.

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patent: 29 08 859 (1980-09-01), None
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