Internal-combustion engines – Valve – Rotary
Patent
1977-08-30
1979-01-16
Lazarus, Ronald H.
Internal-combustion engines
Valve
Rotary
123119A, 123 80BA, 123190BD, F01L 700
Patent
active
041343816
ABSTRACT:
A reliable efficient rotary valve apparatus for internal combustion engines, configured for ease of installation and maintenance. Rotating valve apparatus controls transfer of intake and exhaust gases between intake and exhaust manifolds respectively of an internal combustion engine and the respective combustion cylinders thereof. Intake and exhaust portions of the rotary valve assembly are isolated by simple seal members. Activating means, responsive to rotation of the rotatable valve member, create positive fluid-flow transfer of gaseous currents through the rotating valve member. Spring biased, pressure equalizing plunger seal apparatus increases reliability and longevity of use of the rotary valve apparatus and maintains proper seals for fluid-flow passage between the rotating valve member and individual compression cylinders of the engine. Exhaust feedback apparatus with built-in spark arresters, enables controlled recycling of portions of the exhaust gases expended by the internal combustion engine during the combustion cycle.
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patent: 2853980 (1958-09-01), Zimmerman
patent: 3559760 (1971-02-01), Ninomiya
Lazarus Ronald H.
Reynolds David D.
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