GB2199891A

GB2199891A - Two-stroke i.c. engines

Info

Publication number: GB2199891A
Application number: GB08700961A
Authority: GB
Inventors: Luke Frank Wright
Original assignee: Individual
Current assignee: Individual
Priority date: 1987-01-17
Filing date: 1987-01-17
Publication date: 1988-07-20
Also published as: GB8700961D0

Abstract

Each-of the four crank chambers of a four cylinder engine is supplied with fuel through the centre of a rotary disc valve which also controls the passage of air into the chamber. The four parallel crankshafts (Fig 3) are geared together and drive an output through a gear box. Each cylinder has a tuned exhaust pipe (Fig. 2). <IMAGE>

Description

DESCRIPTION A SYSTEM. A TWO STROKE INTERNAL COMBUSTION RECIPROCATING PISTON ENGINE A System. A two stroke internal combustion reciprocating piston engine utilizing the two stroke system but having seperate crankshaft chambers in line tuned into seperate rotary valve induction discs situated in seperate housing encasements connected to fuel processors to provide fuel supply. Venturies are supplied to provide air supply.

Each individual cylinder is tuned into four individual tuned length exhaust pipes. Each cranshaft is connected via drive sprockets that give variable timing and drive the clutch and ignition box and the gearbox and final drive in turn.

A electric starter motor is provided to initiate combustion and work against the gearbox.

The system comprises of four individual Rotary Valve Housing Encasements.

Four fuel processors, four venturies, four rotary valves, four hollow timed rotary valve pins. The rotary valve sleeves are tuned. Four valve disc bearings, four individual crankshafts, four individual crankcases, four pistons with rings, four piston liners, four cylinder blocks, four combustion chambers, four sparking plugs, four connecting rods for the pistons.

Four the pistons, four drive sprockets, four exhaust pipes of tuned length variety.

A clutch. A gearbox. A ignition system box. A final drive sprocket.

Four counter balancing flywheels. An electric starter motor.

The System claims to be unique. The system features a sealed induction take from the processor of fuel.

Claims

CLAIMS 1. A System. A two stroke internal combustion reciprocating piston engine utilizing one or more cylinders (four shown in figures 1, 2, 3, 4, and 5. Each combustion chamber is seperate and tuned into a sperate tuned length exhaust pipe. Each crank case chamber is seperate and tuned into each rotary valve induction unit as shown in figures 1 and 2. The four cylinder as shown in figures 1, 2, 3, 4 and 5 are in line. Each individual crankcase has a seperate Rotary Air and Fuel Induction Unit. The Rotary Air and Fuel Induction System comprises of a housing as in figure one. A fuel processor, a venturi, a rotary valve disc. A hollow rotary valve pin with induction timing hole bored into it. The rotary valve disc has two holes bored into it, one for the hollow pin and one for the air venturi. The rotary valve induction disc has a hole bored along its sleeve for induction timing to coincide with the hole bored in the hollow valve pin. Two holes are bored in the Rotary valve housing encasement for the passage of the seperate air and fuel. A venturi is provided and attached to the Rotary Valve housing.

1. The rotary valve hollow pin is supported by a plain bearing situated in the rotary valve housing encasement.

The fuel processor is attached to the centre of the rotary valve disc by a sealed tube from the fuel processor to the induction disc.

2. A System. A two stroke internal combustion reciprocating piston engine as claimed in claim 1 whereby the seperate cylinder blocks as shown in figures 1, 2, 3, 4, and 5 comprise of seperate combustion chambers, cylinder, cylinder liners with transfer passage cut into them for exhaust and induction. Pistons with rings, gudgeon pins, connecting rods cranshafts with counter balancing. Each four off as shown in figures 2 3 4 and 5 for the purposes of this patent. Each Cylinder Block has transfer passages cut into it.

3. A System. A two stroke internal combustion reciprocating piston engine as claimed in claim 1 and claim 2 wherein there are four drive sprockets as shown in figure three, to connect the seperate cylinders and crankcase to give variable timing of 900 or 1800 or 3600 as required. 90 timing is shown in figures 3, 4 and 5.

4. A System. A two stroke internal combustion reciprocating piston engine utilizing tuned crankcase chambers and Rotary Valve induction as claimed in claim 1 and 2 and 3 wherein fuel and air is drawn into the Rotary Valve Housing encasement due to the crankcase displacement via the venturi and fuel processor. The passes along the hollow rotary valve pin and is timed by the holes bored in the hollow pin and rotary valve sleeve due to rotation.

The fuel and air pass along the seperate passages bored in the Rotary Valve Housing encasement and meet and mix in the individual crankcase chambers.

The rotary valve is driven by each seperate crankshaft as shown in figure two and figure one.

5. A System. A two stroke internal combustion reciprocating piston engine utilizing tuned crankcase chambers to Rotary Valve Induction Units and tuned seperate combustion chambers to tuned exhaust pipes as claimed in claim 1 or claim 2 or claim 3 or claim 4 wherein each piston is initiated by an electric starter motor connected to the gearbox as shown in figure three, to reciprocate.

As each piston reciprocates in its seperate cylinder and liner as shown in Figure three air and fuel is drawn up the cylinder transfer passage to be deposited, compressed and ignited in each individual cylinder head. The exhaust gases are drawn out of the combustion chambers by the tuned length exhaust pipe, and the pressure pulse returning from the tuned length exhaust pipe deflector will recharge each cylinder from each pressure cycle due to each tuned length exhaust pipe. Hence tuned length exhaust pipe recycling.

6. A System. A two stroke internal combustion reciprocating piston engine as claimed in claim 1 or claim 2 or claim 3 or claim 4 or claim 5 wherein a continuous cycle is initiated by the starter motor turning the gearbox and hence the individual cranshafts via the clutch as shown in figure three.

7. A System. A two stroke internal combustion reciprocating piston engine as claimed in claim 1 or claim 2 or claim 3 or claim 4 or claim 5 or claim 6 wherein the engine's gearbox as shown in figure three is driven by the engines crankshaft. The engine has a gearbox as shown in figure three which is driven by the clutch. The gearbox drives a final drive sprocket as shown in figure three.

8. A System. A two stroke internal combustion reciprocating piston engine as claimed in claim 1 or claim 2 or claim 3 or claim 4 or claim 5 or claim 6 or claim 7 wherein the ignition system is worked and controlled by "Ignition System box" as shown in figure three and driven straight from the cranshaft drive sprocket as shown in figure three.

9. A System. A two stroke internal combustion reciprocating piston engine as claimed in claim 1 and claim 2 and claim 3 and claim 4 and claim 5 and claim 6 and claim 7 and claim 8 wherein final drive is taken off the gearbox as in figure three. Ignition is effected from the ignition system box to one or more (four in figures 2, 3, 4, and 5) by sparking plugs.

10. A System. A two stroke, in line internal combustion reciprocating piston engine with tuned rotary valve induction and tuned length exhaust induction as claimed in claim 1 or claim 2 or claim 3 or claim 4 or claim 5 or claim 6 or claim 7 or claim 8 or claim 9 that claims to be a UNIQUE SYSTEM.