Motors: expansible chamber type – Cyclically operable – Multiple exhaust passages
Patent
1970-01-29
1979-09-25
Maslousky, Paul E.
Motors: expansible chamber type
Cyclically operable
Multiple exhaust passages
91273, 91325, 91402, 91243, F01L 2102, F01L 1516, F01L 2504
Patent
active
041686551
ABSTRACT:
A vapor engine including a cylinder in which a piston reciprocates and having an inlet valve in the cylinder head which is driven from its seat by the piston as it approaches the cylinder head. The time at which the valve is driven from its seat does not change relative to the top dead center position of the piston. The travel of the valve body is ballistic and the valve remains open for a time determined by a combination of the piston velocity at the initial contact, the distance the valve travels before hitting a stop from which it rebounds elastically toward its seat, the pressure drop across the valve and the mass of the valve. The exhaust valve of the engine may be either internal and actuated by mechanical forces or external, in which case it is actuated by pressure forces. In one embodiment of the invention the stop from which the valve rebounds may be adjustably positioned manually or automatically to control the period of time during which the intake valve is open.
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Doyle Edward F.
Kitrilakis Sotiris
Maslousky Paul E.
Messenger Herbert E.
Neal James L.
Thermo Electron Corporation
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