Back to results
US 7,104,227 B2Granted
Internal combustion engine machine incorporating significant improvements in power, efficiency and emissions control
OwnerFreddie Ray Robertsinventor
Life of this patent
Estimating the term…
Abstract
A two stroke cycle internal combustion engine machine that does not require lubricating oil to be mixed with its fuel, producing greater efficiency, higher power to weight ratio, cooler operating temperatures, a wider speed range, greater simplicity, and lower toxic emissions, many of the improvements also transferable to four stroke engines.
Claims30
An internal combustion engine machine incorporating significant improvements in power, efficiency and emissions control comprising:
- (a) one or more cylinders, each comprising at least one head, combustion chamber, base, compression chamber and sidewall;
- (b) one or more means of igniting fuel in the cylinder(s);
- (c) one or more sources of intake air;
- (d) at least one means of storing and/or cooling lubricating oil between cycles of circulation;
- (e) a drive train;
- (f) at least one means of encasing, protecting, cooling and lubricating the drive train;
- (g) at least one means of segregating the oil in the sump and/or crankcase from the air or air/fuel mixture in the cylinder, whether within or apart from the combustion chamber;
- (h) at least one means of dispersing oil on the cylinder walls and of then gathering excess for return to the oil sump;
- (i) at least one means of transmitting energy to and from the pistons;
- (j) at least one means of guiding each piston rod such that it moves in a linear manner, always along substantially the same line;
- (k) at least one means of drawing air or air/fuel mixture into the engine machine, propelling it into the cylinder combustion chamber, compressing it for ignition and propelling its expulsion after ignition;
- (l) at least one means of admitting air and fuel, or air/fuel mixture into each cylinder apart from the combustion chamber;
- (m) at least one means of efficiently expelling exhaust gases resulting from combustion of the air fuel mixture after energy has been extracted;
- (n) at least one means of transmitting energy from the piston rod to the drive train;
- (o) at least one means of cooling the engine;
- and
- (p) at least one means of transporting dispersing gathering and returning lubricating/cooling oil while keeping it segregated from combustion air and fuel;
- (q) wherein the means of efficiently expelling exhaust gases upon completion of combustion and energy extraction comprises a cylinder head exhaust valve, allowing exhaust to exit through the head of the cylinder.
15 more elements
An internal combustion engine machine incorporating significant improvements in power, efficiency and emissions control comprising:
- (a) one or more cylinders, each comprising a head, a combustion chamber, a base, a compression chamber and a sidewall;
- (b) one or more means of igniting fuel in the cylinder(s);
- (c) one or more sources of intake air;
- (d) at least one means of storing and/or cooling lubricating oil between cycles of circulation;
- (e) a drive train;
- (f) at least one means of encasing, protecting, cooling and lubricating the drive train;
- (g) at least one means of segregating the oil in the sump and/or crankcase from the air or air/fuel mixture in the cylinder, whether within or apart from the combustion chamber;
- (h) at least one means of dispersing oil on the cylinder walls and of then gathering excess for return to the oil sump;
- (i) at least one means of transmitting energy to and from the pistons;
- (j) at least one means of guiding each piston rod such that it moves in a linear manner, always along substantially the same line;
- (k) at least one means of drawing air or air/fuel mixture into the engine machine, propelling it into the cylinder combustion chamber, compressing it for ignition and propelling its expulsion after ignition;
- (l) at least one means of admitting air and fuel, or air/fuel mixture into each cylinder apart from the combustion chamber;
- (m) at least one means of efficiently expelling exhaust gases resulting from combustion of the air fuel mixture after energy has been extracted;
- (n) at least one means of transmitting energy from the piston rod to the drive train;
- (o) at least one means of cooling the engine;
- (p) at least one means of transporting, dispersing, gathering, and returning lubricating/cooling oil while keeping it segregated from combustion air and fuel;
- and
- (q) at least one means of collecting, storing, and transferring inertial energy from one drive stroke to another, comprising at least one inertial mass or flywheel.
15 more elements
An internal combustion engine machine incorporating significant improvements in power, efficiency and emissions control comprising:
- (a) one or more cylinders, each comprising at least one head, combustion chamber, base, compression chamber and sidewall;
- (b) one or more means of igniting fuel in the cylinder(s);
- (c) one or more sources of intake air;
- (d) at least one means of transporting dispersing gathering and returning lubricating and, or, or, cooling oil;
- (e) at least one means of storing and/or cooling lubricating oil between cycles of circulation;
- (f) at least one means of dispersing lubricating oil on the cylinder walls and of then gathering excess for return to an oil sump;
- (g) at least one means of segregating lubricating oil from the combustion air or air/fuel mixture, and combustion products at substantially all points in the engine;
- (h) at least one drive train;
- (i) at least one means of, protecting, cooling and, or, or, lubricating the drive train;
- (j) at least one means of transmitting energy to and from the pistons;
- (k) at least one means of guiding each piston rod such that it moves in a linear manner, always along substantially the same line;
- (l) at least one means of drawing air or air/fuel mixture into the engine machine, of propelling it into the cylinder combustion chamber, of compressing it for ignition, and of propelling its expulsion after ignition;
- (m) at least one means of admitting air, fuel, or an air/fuel mixture into each cylinder;
- apart from the combustion chamber;
- (n) at least one means of expelling exhaust gases resulting from combustion of the air fuel mixture after energy has been extracted;
- (o) at least one means of transmitting energy from the piston rod to the drive train;
- (p) at least one means of cooling the engine;
- and
- (q) at least one means of expelling exhaust gases upon completion of combustion and energy extraction comprising at least one cylinder head exhaust valve, allowing exhaust to exit through the head of the cylinder.
16 more elements
An internal combustion engine machine incorporating significant improvements in power, efficiency and emissions control comprising;
- (a) one or more cylinders, each comprising at least one head, combustion chamber, base, compression chamber and sidewall;
- (b) one or more means of igniting fuel in the cylinder(s);
- (c) one or more sources of intake air;
- (d) at least one means of storing and/or cooling lubricating oil between cycles of circulation;
- (e) a drive train;
- (f) at least one means of encasing, protecting, cooling and lubricating the drive train;
- (g) at least one means of segregating the oil in the sump and/or crankcase from the air or air/fuel mixture in the cylinder;
- (h) at least one means of dispersing oil on the cylinder walls and of then gathering excess for return to the oil sump;
- (i) at least one means of transmitting energy to and from the pistons;
- (j) at least one means of guiding each piston rod such that it moves in a linear manner, always along substantially the same line;
- (k) at least one means of drawing air or air/fuel mixture into the engine machine, propelling it into the cylinder combustion chamber, compressing it for ignition and propelling its expulsion after ignition;
- (l) at least one means of admitting air and fuel, or air/fuel mixture into each cylinder;
- (m) at least one means of efficiently expelling exhaust gases resulting from combustion of the air fuel mixture after energy has been extracted;
- (n) at least one means of transmitting energy from the piston rod to the drive train;
- (o) at least one means of cooling the engine;
- and
- (p) at least one means of transporting, dispersing, gathering, and returning lubricating/cooling oil while keeping it segregated from combustion air and fuel;
- (q) wherein, the means of transporting, dispersing, gathering and returning lubricating/cooling oil while keeping it segregated from combustion air and fuel comprises at least one dynamic force lubricating oil pump comprising;
- (r) at least one piston rod/lubrication assembly that serves both as at least one means of transmitting force to and from the piston and as at least one means to transmit lubricating/cooling oil to and from its cylinder in concert with at least one multi-function piston;
- (s) the piston rod/lubrication assembly comprising at least one piston rod with a multi-function piston attached to each end, oil pick-up nozzles and exhaust ports in its mid section, and oil transport passages in the piston rod from the oil pick-up nozzles to the multi-function piston and back to the oil exhaust ports;
- (t) the multi-function piston comprising at least one piston configured with one or more radially situated oil inlet and outlet ports that distribute lubricating oil received from the piston rod/lubrication assembly, to the associated cylinder, and that recover the oil for return to the sump/crankcase via the piston rod/lubrication assembly;
- and
- (u) the multi-function-piston assembly also comprising oil hoarding rings near each piston head and base to assist in dispersing and then re-gathering the oil for return to the cooling, sump such that oil flows through the piston rod and piston, and around the piston, and returns through the piston and piston rod to the oil sump/crank case.
20 more elements
Dependencies are inferred from the claim text.