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US 4,542,724 AGranted
Flame injector for internal combustion engines
OwnerGordon A. Blaisinventor
Life of this patent
Estimating the term…
Abstract
A combustion aid for internal combustion engines featuring a sleeve having a forward end relative to a combustion chamber with a frusto-conical interior surface. A plurality of circumferentially spaced passages in an annular zone so that the passages are angled inwardly and rearwardly to promote gas swirling. The sleeve is adapted to receive a spark plug and distribute the flame from the spark uniformly into a combustion chamber of an internal combustion engine.
Claims5
A spark chamber for a spark plug comprising,
- a cylindrical sleeve having axial forward and rearward portions, an inner bore and an outer surface, the axial forward portion having a forward end joined thereto by an annular perforated region, the perforated region having a plurality of symmetrically spaced passages tapered inwardly at an angle in a pinwheel manner and rearwardly, the forward portion of the sleeve having a frusto-conical inner surface at a small angle for swirling gas flow in relation thereto, the forwardmost region defining an axial aperture capable of negative pressure communication with said symmetrically spaced passages for drawing gas into the sleeve, the rearward inner bore portion of the sleeve having a thread pattern adapted to seat a spark plug, an outer surface portion of the sleeve intermediate the forward and rearward having a thread pattern adapted to be seated in a spark plug receiving chamber of an engine the spark plug having electrodes located rearwardly of said annular perforated region.
A spark chamber for a spark plug comprising,
- a cylindrical, unitary sleeve member having an axis, an open, internally threaded end for receiving a spark plug and a distal end defining a plurality of passages including a single passage defined along the cylindrical member axis and a plurality of circumferentially spaced passages defined in a laterally facing annular region adjacent to the closed end, the spaced passages tapered inwardly at an angle providing ingress and egress between the exterior and interior walls of the member, capable of negative pressure communication with said single axial passage for drawing gas into the sleeve, the interior walls of the chamber adjacent the distal end having a frusto-conical slope, with a narrow conical dimension toward said end, the exterior wall of the member having a thread pattern adapted to be seated in a spark plug receiving chamber of an engine, the spark plug having electrodes located between said threaded end and said distal end.
Dependencies are inferred from the claim text.