Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1977-12-12
1979-07-03
Krawczewicz, Stanley T.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
F02P 1700
Patent
active
041602030
ABSTRACT:
A spark indication apparatus connectable between the secondary winding tower of an ignition coil or a spark plug distribution tower of an auto distributor or a spark plug wire coming from the distributor, and chassis ground having, preferably, a transmission cable including two separated portions, the intermittent connection thereof may provide a spaced air gap or spark gap space for the generation of an electric spark by current passing through the transmission cable; and having a housing which may encase part of each transmission cable portion and the spark gap space, this housing preferably having a cavity defining a spark chamber, wherein the spark chamber may be vented to the atmosphere through the housing.
REFERENCES:
patent: 2076618 (1937-04-01), Cooper
patent: 2317263 (1943-04-01), Egan
patent: 2482016 (1949-09-01), McCoy
patent: 2842017 (1949-09-01), McCoy
patent: 3044011 (1962-07-01), Walker
patent: 3441797 (1969-04-01), Lewis
patent: 3979664 (1976-09-01), Harris
K-D Manufacturing Company
Krawczewicz Stanley T.
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