Internal-combustion engines – Precombustion and main combustion chambers in series – Precombustion chamber assembly inserted in spark plug hole
Patent
1980-11-14
1982-11-30
Lall, P. S.
Internal-combustion engines
Precombustion and main combustion chambers in series
Precombustion chamber assembly inserted in spark plug hole
123254, 123293, 123287, 165 51, F02B 2300, F02P 100
Patent
active
043611222
ABSTRACT:
An internal combustion engine with externally supplied ignition is proposed, in which besides a main combustion chamber an ignition chamber is provided, which communicates with the main combustion chamber via a central discharge channel, which is disposed coaxially with the axis of the ignition chamber, and via additional discharge channels distributed about this discharge channel. Protruding into the coaxially disposed overflow channel is an electrode extending through the ignition chamber, this electrode being embodied as a heat pipe and forming a spark gap with the wall of the ignition chamber in the region of the overflow channel. As a result of its embodiment as a heat pipe, the electrode is protected against excessive heating and is simultaneously held to an optimal temperature.
REFERENCES:
patent: 1790892 (1931-02-01), Adams
patent: 1907095 (1933-05-01), Adams
patent: 2528081 (1950-10-01), Rodnesky
patent: 3954093 (1976-05-01), Hughes
patent: 4013047 (1977-03-01), Harned
patent: 4224980 (1980-09-01), Buchner
patent: 4265201 (1981-05-01), Gerry
patent: 4300497 (1981-11-01), Webber
patent: 4305357 (1981-12-01), Scherenberg et al.
Greigg Edwin E.
Lall P. S.
Robert & Bosch GmbH
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