A rotary valve internal combustion engine has a piston connected to a crankshaft, where the piston is reciprocatable in a cylinder, and a combustion chamber being defined in part by the piston. The engine has a rotary valve rotatable in a valve housing fixed relative to the cylinder, the rotary valve having a valve body containing a volume defining, in part, the combustion chamber and further having in a wall part thereof a port giving, during rotation of the valve, fluid communication successively to and from the combustion chamber via inlet and exhaust ports in the valve housing. The valve body has a non-uniform radial profile along its axial length and/or about its axis of rotation to accommodate changes in the profile of the valve body during operation to maintain a substantially constant clearance between the valve body and the housing throughout the length of the valve body.
A spark ignition rotary valve internal combustion engine includes a combustion chamber being defined in part by the piston and the combustion end of the cylinder, a valve housing fixed at an outer portion of the combustion end of the cylinder and defining a bore, and a rotary valve rotatable about a rotary valve axis in the bore in the valve housing. The rotary valve has a hollow valve body subjected to combustion gases throughout the combustion process. The rotary valve also has, in a wall part thereof, a port giving, during rotation of the valve, fluid communication successively to and from the combustion chamber via inlet and exhaust ports in the valve housing. The inlet and exhaust ports are angularly offset with respect to a radial line from the center of the engine cylinder.
F01L 7/02 - Rotary or oscillatory slide-valve gear or valve arrangements with cylindrical, sleeve, or part-annularly-shaped valves
F01N 1/02 - Silencing apparatus characterised by method of silencing by using resonance
F02B 63/02 - Adaptations of engines for driving pumps, hand-held tools or electric generatorsPortable combinations of engines with engine-driven devices for hand-held tools
A rotary valve internal combustion engine A rotary valve internal combustion engine has a piston (1) connected to a crankshaft (3) and reciprocatable in a cylinder (2), a combustion chamber (4) being defined in part by the piston. The engine has a rotary valve (5) rotatable in a valve housing (8) fixed relative to the cylinder (2), the rotary valve having a valve body containing a volume (9) defining, in part, the combustion chamber 4 and further having in a wall part (11) thereof a port (12) giving, during rotation of the valve, fluid communication successively to and from the combustion chamber via inlet and exhaust ports (13, 14) in the valve housing. The valve body has a non-uniform radial profile along its axial length and/or about its axis of rotation to accommodate changes in the profile of the valve body during operation to maintain a substantially constant clearance between the valve body and the housing throughout the length of the valve body.
A spark ignition rotary valve internal combustion engine comprising a combustion chamber being defined in part by the piston and the combustion end of the cylinder, a valve housing fixed at an outer portion of the combustion end of the cylinder and defining a bore and a rotary valve rotatable about a rotary valve axis in the bore in the valve housing, the rotary valve having a hollow valve body subjected to combustion gases throughout the combustion process, and further having in a wall part thereof a port giving, during rotation of the valve, fluid communication successively to and from the combustion chamber via inlet and exhaust ports in the valve housing. The inlet and exhaust ports are angularly offset with respect to a radial line from the centre of the engine cylinder.
A rotary valve internal combustion engine has a piston (1) connected to a crankshaft (3) and reciprocatable in a cylinder (2), a combustion chamber 4 being defined in part by the piston. The engine has a rotary valve (5) rotatable with a close sliding fit in a valve housing (8) fixed relative to the cylinder (2), the rotary valve having a valve body containing a volume (9) defining, in part, the combustion chamber 4 and further having in a wall part (11) thereof a port (1)2 giving, during rotation of the valve, fluid communication successively to and from the combustion chamber via inlet and exhaust ports (13), (14) in the valve housing. The rotary valve and the valve housing are both formed of aluminum.
F01L 7/04 - Rotary or oscillatory slide-valve gear or valve arrangements with cylindrical, sleeve, or part-annularly-shaped valves surrounding working cylinder or piston
F02B 53/04 - Charge admission or combustion-gas discharge
F01L 7/02 - Rotary or oscillatory slide-valve gear or valve arrangements with cylindrical, sleeve, or part-annularly-shaped valves
F01L 7/08 - Rotary or oscillatory slide-valve gear or valve arrangements with conically- or frusto-conically-shaped valves
A rotary valve internal combustion engine has a piston connected to a crankshaft and reciprocatable in a cylinder, a combustion chamber being defined in part by the piston. The engine has a rotary valve rotatable in a valve housing fixed relative to the cylinder, the rotary valve having a valve body containing a volume defining, in part, the combustion chamber and further having a wall part thereof a port giving, during rotation of the valve, fluid communication successively to and from the combustion chamber via inlet and exhaust ports in the valve housing, wherein the rotary valve is rotatable about an axis parallel to the axis of rotation of the crankshaft, the valve being mounted in a bearing arrangement which restrains the valve from movement in the axial direction but permits movement in the radial direction.
A rotary valve internal combustion engine has a piston (1) connected to a crankshaft (3) and reciprocatable in a cylinder (2), a combustion chamber 4 being defined in part by the piston. The engine has a rotary valve (5) rotatable with a close sliding fit in a valve housing (8) fixed relative to the cylinder (2), the rotary valve having a valve body containing a volume (9) defining, in part, the combustion chamber 4 and further having in a wall part (11) thereof a port (1)2 giving, during rotation of the valve, fluid communication successively to and from the combustion chamber via inlet and exhaust ports (13), (14) in the valve housing. The rotary valve and the valve housing are both formed of aluminium.
F01L 7/02 - Rotary or oscillatory slide-valve gear or valve arrangements with cylindrical, sleeve, or part-annularly-shaped valves
F01L 7/04 - Rotary or oscillatory slide-valve gear or valve arrangements with cylindrical, sleeve, or part-annularly-shaped valves surrounding working cylinder or piston
F01L 7/08 - Rotary or oscillatory slide-valve gear or valve arrangements with conically- or frusto-conically-shaped valves
A rotary valve internal combustion engine has a piston (1) connected to a crankshaft (3) and reciprocatable in a cylinder (2), a combustion chamber (4) being defined in part by the piston. The engine has a rotary valve (5) rotatable in a valve housing (8) fixed relative to the cylinder (2), the rotary valve having a valve body containing a volume (9) defining, in part, the combustion chamber 4 and further having in a wall part (11) thereof a port (12) giving, during rotation of the valve, fluid communication successively to and from the combustion chamber via inlet and exhaust ports (13, 14) in the valve housing, wherein the rotary valve is rotatable about an axis 5a parallel to the axis of rotation 3a of the crankshaft, the valve being mounted in a bearing arrangement (7) which restrains the valve from movement in the axial direction but permits movement in the radial direction.
A rotary valve internal combustion engine has a piston connected to a crankshaft and reciprocatable in a cylinder, a combustion chamber being defined in part by the piston, and a rotary valve rotatable in a valve housing fixed relative to the cylinder, the rotary valve having a valve body containing a volume defining, in part, the combustion chamber and further having a port giving, during rotation of the valve, fluid communication successively to and from the combustion chamber via inlet and exhaust ports.
F01L 3/00 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing facesParts or accessories thereof
F01L 7/02 - Rotary or oscillatory slide-valve gear or valve arrangements with cylindrical, sleeve, or part-annularly-shaped valves
A rotary valve internal combustion engine has a piston connected to a crankshaft (3) and reciprocatable in a cylinder (2), a combustion chamber (4) being defined in part by the piston, and a rotary valve (5) rotatable in a valve housing (8) fixed relative to the cylinder (2), the rotary valve (5) having a valve body containing a volume (9) defining, in part, the combustion chamber (4) and further having a port (12) giving, during rotation of the valve (5), fluid communication successively to and from the combustion chamber (4) via inlet and exhaust ports (13, 14).
12 - Land, air and water vehicles; parts of land vehicles
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Motors and engines (except for land vehicles), components
and parts for such engines; gearboxes and transmissions for
motors and engines (except for land vehicles); motors and
engines for water-borne vessels, aeroplanes, and model
aeroplanes; parts of motors and engines (of all kinds). Vehicles, including motor cycles, parts and fittings for
such vehicles; motors and engines for road vehicles.
12 - Land, air and water vehicles; parts of land vehicles
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Motors and engines (except for land vehicles) components and parts for such engines, gearboxes and transmissions for motors and engines (except for land vehicles). Vehicles, including motor cycles, parts and fittings for such vehicles, motors and engines for road vehicles, water-borne vessels, aeroplanes and model aeroplanes, parts and fittings therefor.
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Internal combustion engines [ for lawn and garden equipment, namely, lawnmowers, trimmers, clippers, and blowers, for horticulture and forestry equipment, namely, chain saws, ] and for power generation; Motors and engines for water-borne vessels, boats, pilotless and remotely-controlled commercial, military, and government aircraft; Motors and engines for water-borne vessels, boats, pilotless and remotely-controlled commercial, military, and government aircraft and components and parts sold as a unit therewith; Parts of motors and engines not for land vehicles, namely, transmissions, starters, adjustable engine mounts, carburetor fuel inlet nipples, carburetor high speed needle assembly, carburetor throttle arm assembly, mounting plates, prop nuts, starter screws, inlet manifolds, manifolds, carburetors, mufflers, 0-Rings, piston rings, crank shafts, fuel injection system comprising injectors and controllers, fuel pumps and vales for pumps [ Vehicles, namely, motorcycles; Motorcycles and structural parts and fittings therefor; Motors and engines for land vehicles; Gearboxes ]
