Spark plug having a sub-combustion chamber for use in fuel ignit

Details Spark plug having a sub-combustion chamber for use in fuel ignit Spark plug having a sub-combustion chamber for use in fuel ignit

1997-10-24

2000-01-11

Patel, Nimeshkumar D.

Electric lamp and discharge devices

Spark plugs

Shaped electrode chamber, insulator end, shell skirt, baffle...

313141, 313143, 313140, H01T 1320

Patent

active

060139730

ABSTRACT:
A spark plug for use in conventional fuel ignition systems includes a housing and a ground electrode attached to the housing. A center electrode is located within the housing and is spaced apart from the ground electrode to form an electrode gap. An insulation member electrically separates the center and ground electrodes. A sub-combustion chamber is further located on the spark plug and encloses the electrode gap. A plurality of holes are located within the walls of the sub-combustion chamber where both a fuel-air mixture and combustion gasses pass through.

REFERENCES:
patent: 1596240 (1926-08-01), Dikeman
patent: 2153598 (1939-04-01), Steward
patent: 4452189 (1984-06-01), Latch et al.
patent: 4987868 (1991-01-01), Richardson
patent: 5105780 (1992-04-01), Richardson
patent: 5693999 (1997-12-01), Osamura et al.

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