Ignition spark plug

Details Ignition spark plug Ignition spark plug

1978-03-31

1981-05-12

Demeo, Palmer C.

Electric lamp and discharge devices

Spark plugs

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

313120, H01T 1320

Patent

active

042674824

ABSTRACT:
A spark plug for internal combustion engines includes at least a part of communicating holes each having one end opened in the vicinity of a packing and the other end opened to an engine combustion chamber, whereby the propagation of the flame into the space defined by the outer surface of an insulator leg, the inner surface of a metal plug body and the packing is prevented.

REFERENCES:
patent: 1607747 (1926-11-01), Pognon
patent: 2064738 (1936-12-01), Erny
patent: 2292409 (1942-08-01), Steward
patent: 2646782 (1953-07-01), Fisher
patent: 3016411 (1962-01-01), Fisher
patent: 4015161 (1977-03-01), Resler

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