Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
168 words
A nonpolluting internal combustion engine capable of delivering smooth, uniform power with a minimum of exhaust pollutants comprising a combustion cylinder, a piston slidably accommodated for reciprocal movement within said cylinder, connecting means mechanically linking said piston to a crankshaft, a crankcase for housing said connecting means and crankshaft, air supply means having an independent air chamber, air passage means between said air chamber and cylinder, fluid pump means including pump piston means slidably accommodated within the air chamber for volumetric expansion to receive air displaced from the cylinder during movement of the piston in a first direction, said pump piston means being correspondingly adapted for movement from an initial position to a charging position for injection of a quantity of clean air into the cylinder to scavenge combustion gases and to supply an air change and a pump piston lifter for returning the pump piston to the initial position upon movement of the piston in a second direction whereby the air charge is compressed in the cylinder.
Claim 2
Dependent Claim
168 words
A nonpolluting internal combustion engine capable of delivering smooth, uniform power with a minimum of exhaust pollutants comprising a combustion cylinder, a piston slidably accommodated for reciprocal movement within said cylinder, connecting means mechanically linking said piston to a crankshaft, a crankcase for housing said connecting means and crankshaft, air supply means having an independent air chamber, air passage means between said air chamber and cylinder, fluid pump means including pump piston means slidably accommodated within the air chamber for volumetric expansion to receive air displaced from the cylinder during movement of the piston in a first direction, said pump piston means being correspondingly adapted for movement from an initial position to a charging position for injection of a quantity of clean air into the cylinder to scavenge combustion gases and to supply an air change and a pump piston lifter for returning the pump piston to the initial position upon movement of the piston in a second direction whereby the air charge is compressed in the cylinder.
Claim 3
Dependent Claim
78 words
A nonpolluting engine as claimed in claim 1 wherein the lower end of the cylinder is provided with a plurality of ports in communication with the air passage means, said ports being closed, after evacuation of the clean air in the lower portion of the cylinder, by passage of the piston in the first direction and alternately opened to admit the clean air charge from the air chamber prior to movement of the piston in the second direction.
Claim 4
Dependent Claim
22 words
A nonpolluting engine as claimed in claim 2 wherein the pump piston lifter is mechanically interconnected for simultaneous movement with the piston.
Claim 5
Dependent Claim
50 words
A nonpoluting engine as claimed in claim 1 wherein the pump piston substantially divides the air chamber into two compartMents, one of the said compartments being in communication with the cylinder, the other of said compartments being maintained at a predetermined air pressure for controlling movement of the pump piston.
Claim 6
Dependent Claim
52 words
A nonpolluting engine as claimed in claim 4 further including a bypass conduit from the cylinder for supplementing the air supplied to the air chamber, and valve means in the bypass conduit for permitting regulation of the air flow to the air chamber in accordance with the operating conditions of the engine.
Claim 7
Dependent Claim
79 words
A nonpolluting engine as claimed in claim 2 wherein the air chamber is arranged concentrically around the cylinder and the fluid pump means includes a pump piston slidably accommodated within the air chamber for movement from an initial position to a charging position whereby air is forced through the air passage and into the cylinder and further the pump piston lifter ring is in confronting relationship with the pump piston for returning the pump piston to its initial position.
Claim 8
Dependent Claim
52 words
A nonpolluting engine as claimed in claim 2 including guide means for aligning the pump piston within the air chamber, the pump piston being further provided with receiving means for accommodating the pump piston lifter in close fitting relationship, whereby a layer of air is retained therebetween, thus forming an air cushion.
Claim 9
Dependent Claim
26 words
A nonpolluting engine as claimed in claim 7 wherein the pump piston lifter defines apertures therethrough for permitting the passage of air displaced from the cylinder.
Claim 10
Dependent Claim
33 words
A nonpolluting engine as claimed in claim 4 further including a suction valve in the cylinder for automatically providing a supply of fresh air at atmospheric pressure during compression of the air charge.
Claim 11
Dependent Claim
42 words
A nonpolluting engine as claimed in claim 9 further including a suction valve in the air chamber for automatically providing a supply of fresh air at atmospheric pressure to the air chamber during movement of the pump piston to the initial position.