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Class 123/65VA - Sleeve valve

Subclass of Class 123 - Internal-combustion engines
No. of patents: 19
Last issue date: 08/05/2008

NumberTitleIssue Date
7406938Cooling mechanisms for rotary valve cylinder engines
A cooling mechanism for a rotary valve cylinder engine 1 comprising a rotary valve cylinder 3 rotatably mounted within an outer cylindrical valve element 8, the rotary valve cylinder 3 and the outer cylindrical valve element 8 each...
7350506Variable stroke property engine
Provided is a variable stroke property engine that can prevent an increase in the resistance to the engine owing to the contact between the variable stroke piston mechanism and lubricating oil. In a variable stroke property engine equipped with a variable piston str...
7004120Opposed piston engine
A four-stroke opposed piston engine includes a rotating cylinder with a circumference and an aperture defined through the circumference, first and second opposing pistons, optional first and second opposing cylindrical spacers, first and second opposing piston caps,...
6513464Two cycle stratified charge gasoline engine
The stratified two cycle engine comprises: a cylinder having an upper end and a lower end, a head at the upper end and fuel and air intake ports at the lower end; at least one spark plug mounted in the head; a sleeve in the cylinder having an upper end an...
6474275Two-stroke internal combustion engine provided with a supercharging device and exhaust gas partial recycling
The invention concerns a two-stroke engine comprising a cylinder (1) wherein moves a piston (2), exhaust (6) and intake (7) devices and a blower (9) for blowing in the cylinder (1) a scavenging air stream , wherein an additional volume (10) communicates w...
6095103Exhaust control valve structure for 2-cycle engine
An exhaust passage for connecting to an exhaust port of a cylinder is provided. The exhaust passage includes a first path extending in a direction generally orthogonal to the central axis of the exhaust port. A second path connects the first path and the ...
5638780Inlet system for a two cycle internal combustion engine
In an inlet system for a two-cycle internal combustion engine which includes a cylinder with a piston reciprocating therein between a top dead center position and a bottom dead center position and in which at least two rows of scavenging air flow passages...
5191863Rotary sleeve-valve internal combustion engine
The present invention is an internal combustion engine having a rotary sleeve valve mechanism with a sleeve valve which has an opening formed in the outer peripheral surface for suction of fuel and discharge of exhaust gas. The present invention achieves ...
5143029Two cycle internal combustion hydrocycle engine
A two-cycle internal combustion engine includes two opposed pistons reciprocatable within a cylinder, between which an air-fuel mixture is injected and ignited. One of the pistons, a compression piston, is connected to a rotatable flywheel for storing ene...
5081963Reciprocatory machines
A reciprocatory machine having a cylinder defining with at least one piston a working chamber. Each piston is reciprocable in the cylinder by a respective crankshaft. The machine has intake and exhaust ports disposed at opposite ends of the working part o...
5048472Two stroke cycle internal combustion engine
Two stroke cycle internal combustion engine comprising; a ported cylinder, a cylinder head with an opening, a piston with an opening, a ported sleeve which is axially displaced inside the cylinder, extending through the cylinder head opening and the pisto...
5000132Scavenging system for a two-stroke internal combustion engine
A lengthwise scavenging system for a two stroke internal combustion engine comprising a ported cylinder, a piston, a wave formed sleeve which is attached to the piston, and a reentrant cylinder head which provide annular recess for the sleeve. The inlet p...
4966104Two-stroke engines
A two-stroke engine comprises a cylinder which accommodates a piston and which has inlet and outlet ports, means for injecting fuel into the cylinder and control means for controlling the amount of fuel injected. The engine also includes a vent passage co...
4815421Internal combustion engine with adjustable flow exhaust system
A two-cycle internal combustion engine with electronically controlled fuel injection and electronically controlled exhaust flow, the exhaust flow being regulated by a displaceable slide valve which covers or exposes a plurality of exhaust ports around the...
4430967Two cycle diesel engine
The invention engine comprises a compressor with a rotary piston in a cylinder bore in a stator and a U-shaped box-like combustion-expansion compartment, conveniently called a U-box, immediately above and riding on the rotary piston, the U-box and the com...
4324211Torch ignition apparatus and method
A torch ignition apparatus and method, the apparatus including a secondary, torch ignition piston interconnected to the primary piston and operable to produce through compression ignition of a carbureted fuel/air mixture a jet of hot gases capable of igni...
4294201Internal combustion engines
A two-stoke cycle combustion-engine with crank-chamber compression is described, free of charging transfer passages external to the cylinder, with pumping-displacement exceeding working-displacement for responsive intake and thorough scavenging of spent-g...
4218994Fluid intake and exhaust assemblies for positive displacement apparatus
Disclosed are intake and exhaust assemblies for forced air intake, reciprocating piston, internal combustion engine. Alternate embodiments of the air intake valve assembly include a hollow tube defining the intake port with means operatively coupling the ...
3948241Lubricating and sealing system for internal combustion engines
A lubrication and sealing system for the cylinder head of an internal combustion engine having a sleeve valve mounted for rotation therein, said sleeve valve having intake slots therethrough which register periodically, as the valve rotates, with air inta...
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