Abstract: A fast-action direct-fluid (gas or liquid) actuated valve assembly including a valve housing having an internal fluid port defined by a larger chamber and a smaller chamber, separated by a shoulder, a valve body seated in the valve housing and defined by a plurality of ports evenly spaced circumferentially around its circumference adjacent to an endplate seatable in the housing, a plurality of supporting wall sections (mullions) between the ports, and a plurality of internal vanes 9 each running along a corresponding mullion providing reinforcement thereof. The vanes 9 are inclined and/or curved, and defined by rounded faces to promote a smooth circular internal fluid flow. A valve cap formed with an annular collar is affixed to the valve body, and the valve body 2 and cap/collar 7 are slidably carried in the valve housing 1 between an open position and a closed position. A toolset is also disclosed for easily installing and removing the valve assembly.

Abstract: A pneumatically actuated valve assembly for use as intake and/or exhaust valves on two- or four-stroke internal combustion engines. The assembly includes a valve (100), valve housing (200), and compressed gas distribution and timing mechanisms (FIGS. 5–8). The valve (100) is comprised of a short light weight hollow cylindrical body with a capped lower end and an opened upper end. The valve is further defined by a plurality of ports (104) adjacent to the lower end and a collar (198) encircling the body adjacent the upper end. The valve housing (200) is hollow and tubular having a larger diameter upper section and a smaller diameter lower section in which the valve (100) slides up to close and down to open. The housing (200) further includes hollow channels which direct compressed gas, managed by the distribution and timing mechanism, alternately towards the areas above and below the valve collar at regular intervals to open and close the valve, respectively.

Abstract: A pneumatically actuated valve assembly for use as intake and/or exhaust valves on two- or four-stroke internal combustion engines. The assembly includes a valve (100), valve housing (200), and compressed gas distribution and timing mechanisms (FIGS. 5-8). The valve (100) is comprised of a short light weight hollow cylindrical body with a capped lower end and an opened upper end. The valve is further defined by a plurality of ports (104) adjacent to the lower end and a collar (198) encircling the body adjacent the upper end. The valve housing (200) is hollow and tubular having a larger diameter upper section and a smaller diameter lower section in which the valve (100) slides up to close and down to open. The housing (200) further includes hollow channels which direct compressed gas, managed by the distribution and timing mechanism, alternately towards the areas above and below the valve collar at regular intervals to open and close the valve, respectively.

Abstract: Disclosed herein is a variable spring force intake valve for use in two- or four-stroke internal combustion engines. The device comprises an intake valve body and a torsion spring attached to a gear and rod assembly. Manipulation, via manual or automated means, of the gear and rod assembly adjusts the tension/torsion force exerted by the torsion spring to preload the intake valve and/or to hold the intake valve in the closed position. Varying the tension/torsion force results in an ability to control the timing and the degree to which the ports of the intake valve are actually opened during the operating cycle of the piston, thereby providing a user with an opportunity to enhance the operation of a two- or four-stroke internal combustion engine.

Abstract: A self-cleaning valve for removing hydrocarbon deposits from pressure responsive automatic air intake valves in an internal combustion engine. The self-cleaning valve assembly of the present invention removes soot which naturally accumulates on the surface of the valve as a result of the heat generated by the combustion event when hydrocarbon fuel sources are used. A reciprocating slider is seated within a bushing. The bushing is fluted with small relief passages along its length. The fluted relief passages run more or less parallel to the direction of the movement of the slider, and provide channels for removing soot from the surface of the valve. Repeated closing of the slider hammers soot upwardly into the relief passages, thereby maintaining the valve free of potentially fouling hydrocarbon deposits.

Abstract: Disclosed herein is a variable spring force intake valve for use in two- or four-stroke internal combustion engines. The device comprises an intake valve body and a torsion spring attached to a gear and rod assembly. Manipulation, via manual or automated means, of the gear and rod assembly adjusts the tension/torsion force exerted by the torsion spring to preload the intake valve and/or to hold the intake valve in the closed position. Varying the tension/torsion force results in an ability to control the timing and the degree to which the ports of the intake valve are actually opened during the operating cycle of the piston, thereby providing a user with an opportunity to enhance the operation of a two- or four-stroke internal combustion engine.

Abstract: A self-cleaning valve for removing hydrocarbon deposits from pressure responsive automatic air intake valves in an internal combustion engine. The self-cleaning valve assembly of the present invention removes soot which naturally accumulates on the surface of the valve as a result of the heat generated by the combustion event when hydrocarbon fuel sources are used. A reciprocating slider is seated within a bushing. The bushing is fluted with small relief passages along its length. The fluted relief passages run more or less parallel to the direction of the movement of the slider, and provide channels for removing soot from the surface of the valve. Repeated closing of the slider hammers soot upwardly into the relief passages, thereby maintaining the valve free of potentially fouling hydrocarbon deposits.