WO2007141470A2

WO2007141470A2 - Hybrid petrol/diesel and steam driven car

Info

Publication number: WO2007141470A2
Application number: PCT/GB2007/001642
Authority: WO
Inventors: Alan Harry Graham
Original assignee: Graham, Graham, Alan
Priority date: 2006-05-04
Filing date: 2007-05-03
Publication date: 2007-12-13
Also published as: GB0608796D0; WO2007141470A3

Abstract

The Internal Combustion engine (I.C.E.) exhaust provides the heat to produce super heated steam via a coil flash boiler inserted in a specially constructed exhaust manifold tube which is surrounded by a 3 gallon heat exchanger boiler to pre-heat the water to boiling point. A pump or steam pressure forces the boiling water through the flash boiler element inside the exhaust manifold producing super heated steam at very high pressure into a steam engine. Both piston and turbine have been tested. The exhausted steam is then routed through a condenser turning steam back into water, which is returned into the heat exchanger to repeat the sequence over and over again. The energy from the steam engine is transmitted to the I.C.E. via a duplex high efficiency chain, geared to suit the optimum fuel efficiency of the vehicle either by the engine pulley or transmission.

Description

HYBRID PETROL / DIESEL AND STEAM DRIVEN CAR

METHOD OF OPERATION

STEAM ENGINE REMAINS INACTIVE UNTIL STEAM PRESSURE BUILDS UP IN MANIFOLD BOILER UNTIL HIGH PRESSURE STEAM OPERATES THE STEAM ENGINE WHICH CATCHES UP WITH THE ENGINE REVS THRU A SPRAG CLUTCH, AND ASSISTS THE CAR ENGINE TO MAINTAIN ROAD SPEED AT A LOWER THROTTLE OPENING, THEREBY INCREASING M.P.G. BY AN ESTIMATED 100 TO 150%. DEPENDING ON THE EFFICIENCY OF THE CONDENSERS AND THE STEAM APPLICATION GENERALLY. STEAM BEING CONSIDERED TO BE 2 OR 3 TIMES MORE EFFICIENT THAN PETROL. THE EMISSIONS WELL ALSO BE CONSIDERABLY REDUCED.

THE OPERATION IS ENTIRELY AUTOMATIC AND REQUIRES NO TRAINING OREXTRAFOOT CONTROLS. RAINWATER IS COLLECTED FROM DOMESTIC WATER BUTTS AND FROM THE WINDSCREEN SCUTTLE ON THE CAR WHEN RAINING. ALL WATER PASSES THROUGH A GRIT FILTER TO AVOID DAMAGE OR EXCESS WEAR IN THE STEAM ENGINE. WATER STORAGE IS LIKELY TO BE 5 GALLONS, WHICH IS ESTIMATED TO LAST 50 MILES OR MORE, AGAIN DEPENDING ON EFFICIENCY OF CONDENSERS AND HEAT EXCHANGERS.

THE STEAM ENGINE IS GEARED TO ASSIST THE CAR ENGINE BY 3 TO 1. i.e. STEAM ENGINE 1000 R.P.M. / MOTOR 3000 R.P.M. APPROX 60 M.P.H. MOST ECONOMIC SPEED ON ALL VEHICLES ON ANY JOURNEY OVER 3 MILES IS ESTIMATED TO BE 56 M.P.H. GOVERNMENT FIGURES.

THE ECONOMY LEVEL WILL BE PERMANENTLY MONITORED BY AN ECONOMETER ON THE DASHBOARD TO OBTAIN THE BEST RESULTS. WE ARE CURRENTLY RESEARCHING EXISITING PETROL AND DIESEL ENGINES BEING ABLE TO BE MODIFIED TO INCORPORATE THE TWO MEANS OF ENERGY IN THE SAME ENGINE BLOCK i.e. A 3 LITRE 6 CYLINDER PETROL ENGINE USING 4 CYLINDERS TO PRODUCE 2 LITRES OF PETROL ENERGY AND 2 CYLINDERS ABLE TO PRODUCE 2 LITRES OF STEAM ENERGY. THE STEAM WOULD OPERATE ON IT'S OWN CRANKSHAFT AT A SLOWER SPEED BECAUSE OF THE SLOWER MORE POWERFUL STROKE OF STEAM AND WOULD BE GEARED UP TO MATCH THE MUCH FASTER PETROL ENGINE PRODUCING THE HEAT TO BOIL THE WATER TO RUN THE STEAM CYLINDERS, WHICH AT PRESENT IS ENTIRELY WASTED.

ONCE THE POWER OF THE FOUR PETROL CYLINDERS HAS BEEN CALCULATED TO EMIT ENOUGH EXHAUST HEAT TO PRODUCE A CONSTANT HEAD OF STEAM TO CONSTANTLY POWER THE TWO STEAM CYLINDERS THEN THE ENGINE CAN BE MATCHED TO THE SIZE AND TYPE OF VEHICLE IT IS TO BE FITTED TO.

A SECOND ALTERNATIVE OR ADDITIONAL POWER SOURCE WHICH WE ARE CURRENTLY BUILDING IS AN ELECTRIC PANCAKE MOTOR FITTED INSIDE THE CLUTCH HOUSING WHICH DRIVES THRU THE GEARBOX FOR TOWN USE, WITH NO EMISSIONS OR NOISE POLLUTION.

A. H. Graham

PETROL OR DIESEL / RAINWATER (SOFT) STEAM ASSISTED

Claims

1 Steam turbine to assist petrol or diesel or any other fossilised fuel or bio fuels or gases used with internal combustion engines for any purpose whatsoever. This application is particularly intended for road transport but applies to all aspects of internal combustion engines.

2 Exhaust gases leave the engine and heat an element B. which is full of boiling water and pressurised by a water pump F. driven by the steam turbine. The boiling water is immediately turned to steam and exits the flash boiler element pipe as super heated rapidly expanding hot air and drives the steam turbine which in turn assists the running engine of the car or other vehicles or stationary engines to which it is attached.

3 When the steam exits the turbine it enters a condenser which immediately turns it back into water and builds up to half full, then the water pumps pressure is diverted into the condenser and returns the collected water back into the heat exchanger to continue the cycle over and over again thus using very little water during the operation.