Internal-combustion engines – Igniters – Sparkers
Patent
1982-04-16
1984-09-04
Lazarus, Ira S.
Internal-combustion engines
Igniters
Sparkers
123169C, 123169V, 123 4132, F02P 1300
Patent
active
044690592
ABSTRACT:
A spark plug for igniting air-fuel mixtures, comprising: an elongated annular body with an axial bore; dividing the bore into a valve chamber and a compression chamber; and, a valve disk, slidingly disposed in the valve chamber, the valve disk being subjected to the operating pressure of the cylinder, the valve disk being pressed into a sealing position during compression, ignition and exhaust strokes, and being pulled into an open position during intake strokes, whereby unburned gases enter the combustion chamber during the exhaust strokes and additional air is pulled into the combustion chamber during the intake strokes, the unburned gases and additional air being injected back into the cylinder prior to each ignition to enhance subsequent combustions, the valve disk being substantially immune to damage from the successive shock loading to which it is subjected.
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Bailey R. S.
Lazarus Ira S.
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