Machine to convert gravity to mechanical energy

1. A machine to convert gravity to mechanical energy and heat, comprising:

a) a plurality of piston-in-a-tank with pistons that cycle between an up position ( 34 ) and an a down position ( 35 ) changing the buoyancy of the piston-in-a-tank, said piston separates the top gas tank from the liquid ( 11 ), said piston contains gas ( 47 ) and a heavy metal weight ( 37 ), said piston also contains a sump pump ( 40 );

b) a generator ( 23 ) attached to a rigid track ( 29 );

c) a top transfer solenoid ( 24 ) to transfer the piston-in-a-tank from the raising side to the falling side;

d) a bottom transfer solenoid ( 25 ) and its suction cup ( 71 ) to transfer the piston-in-a-tank from the falling side to the rising side and remover some of the liquid from under the falling piston-in-a-tank;

e) a combination retractable stop ( 48 ) and gas valve that suspends the falling piston-in-a-tank and allows gas from the surface into the expanding piston-in-a-tank;

f) a gas breather tube ( 28 ) to transfer gas from the surface to the expanding piston-in-a-tank;

g) a door ( 38 ) at the bottom of the piston-in-a-tank, said door has a float ( 42 ) to close it;

h) a pressure equalizing valve ( 41 ), said valve allows pressure to equalize as the piston-in-a-tank fall;

i) valves to let liquid in ( 43 ), said valves open when the piston-in-a-tank is near the top allowing the piston to float from the bottom to the top of the piston-in-a-tank;

j) cylinder walls ( 44 ) with a seal and lock, said lock holds the piston in the down position after impact;

k) a heat exchanger ( 61 ) and radiator ( 62 ), said heat exchanger removes excess heat from the liquid;

wherein the machine is immersed in a body of liquid;

wherein at position ( 22 ) the piston-in-a-tank are released and allowed to free-fall to the position ( 27 );

wherein as said piston-in-a-tank falls the pressure on the inside and outside of said piston-in-a-tank is equalized by valve ( 41 );

wherein the piston-in-a-tank fall as a continuous column greatly reducing the drag between the piston-in-tank and the liquid;

wherein as the piston-in-a-tank fall they accelerate do to the force of gravity, both the heavy metal weight and the liquid in said piston-in-a-tank build momentum;

wherein at position ( 27 ) said piston-in-a-tank is quickly pushed over to the collapsible stop ( 26 ) by the bottom transfer solenoid and just before impact the combination gas valve and retractable stop ( 48 ) pops out, valve ( 49 ) is open, valve ( 53 ) is closed;

wherein said collapsible stop abruptly suspends the fall of said piston-in-a-tank;

wherein as the collapsible stop collapses it forces the gas thru valve ( 46 ) into said piston-in-a-tank helping to push the piston ( 34 ) down, and the momentum of said liquid and said heavy metal weight move the said piston down;

wherein the sump pump with a heavy metal weight ( 40 ) moves down and forces any liquid in said piston-in-a-tank out;

wherein the piston lock ( 44 ) locks said piston in the down position, and the bottom door ( 38 ) is closed by float ( 42 );

wherein the piston-in-a-tank becomes lighter than the liquid it displaces and will float up doing work;

wherein the valve ( 54 ) closes, valve ( 56 ) opens, and the return spring ( 57 ) returns the collapsible stop to the expanded position ( 26 );

wherein the piston is attached to the rigid track ( 29 ) and floats up powering a generator ( 23 );

wherein the piston-in-a-tank near the top valves ( 43 ) open to allow liquid from the outside in;

wherein the piston floats up, returning said piston to the up position;

wherein the piston-in-a-tank becomes heaver then the liquid it displaces and will sink;

wherein at position ( 22 ) the top transfer solenoid ( 24 ) pushes the piston-in-a-tank over and the cycle becomes complete;

wherein the cycle is repeated.

2. A machine to convert gravity to mechanical energy, comprising:

a) a plurality of tanks with pistons that cycle between an extended position ( 80 ) and an un-extended position ( 81 ) said pistons also separate the gas ( 88 ) in the tanks from the liquid ( 73 ) outside the tanks;

b) a heavy metal weight ( 77 ), said heavy metal weight moves inside the tank;

c) a cable ( 79 );

d) a moveable pulley ( 85 ), said moveable pulley gives the heavy metal weight a mechanical advantage as it falls;

e) a combination cylinder seal and piston lock ( 84 );

f) a bracket ( 86 ), said bracket attaches the moveable pulley to the piston;

g) a connector ( 87 );

h) a series of pulleys ( 89 ), said pulleys guide the cable ( 79 );

i) a bracket ( 90 ), said bracket supports the pulleys ( 89 );

j) a generator ( 94 );

k) a combination stop and gas valve ( 95 ) on the breather tube ( 97 );

l) a rigid tract ( 74 ), said tract having pulleys ( 96 ) to support it:

m) a transfer solenoid ( 99 )

wherein the machine is immersed in a body of liquid;

wherein some tanks fall in a continuous column with the piston in the un-extended position;

wherein some tanks float up with the piston in the extended position to move the tract;

wherein the tanks with the piston in the un-extended position are detached from the rigid tract at position ( 93 ) and free fall;

wherein the velocity and momentum of said tanks increases due to the force of gravity;

wherein said tanks fall in a continuous column greatly reducing the drag on said tanks;

wherein said tanks fall to the transfer solenoid ( 99 );

wherein said transfer solenoid pushes said tank over to the combination stop and gas valve ( 95 ) on the breather tube, said transfer solenoid moves said tanks as quickly as they fall, said breather tube and gas valve allow gas from the surface into the expanding tank;

wherein the combination retractable stop and gas valve ( 83 ) becomes extended;

wherein the fall of the tank is suspended;

wherein the heavy metal weight continues to fall;

wherein the combination of the momentum of the heavy metal weight falling and the mechanical advantage from the moveable pulley ( 85 ) move the piston out of the tank;

wherein the combination cylinder seal and piston lock ( 84 ) lock said piston in the extended position;

wherein the tank becomes lighter than the liquid ( 73 ) it displaces and will float up doing work;

wherein the expanded tank is attached to the rigid tract ( 74 ) and floats up to the position ( 93 );

wherein the cable ( 79 ) is released from the heavy metal weight at the connector ( 87 );

wherein the external liquid pressure pushes the piston into the tank, extra gas ( 88 ) inside the tank is vented thru the combination retractable stop and gas valve ( 82 ) said tank is now heavier than the liquid it displaces and will sink in the next cycle;

wherein as the tank passes the number ( 93 ) position it flips putting the heavy metal weight on top of said tank, ready for the next cycle, the cycle is complete;

wherein the moving rigid track powers a generator ( 94 ).

3. A machine to convert gravity to mechanical energy, comprising:

a) a plurality of tank-cars with a cylinder full of metal ( 111 ) and a cylinder full of gas ( 116 ) and a piston with a seal ( 212 ) that cycle between a tank-car with positive buoyancy ( 242 ) and a tank-car with negative buoyancy ( 245 ), said cylinder full of heavy metal, cylinder full of gas and piston with a seal separate the gas ( 117 ) inside the tank-car and the liquid ( 215 ) outside the tank-car;

b) a cable ( 113 ), said cable connects said cylinder full of heavy metal with said cylinder full of gas;

c) pulleys ( 112 ), said pulleys support said cable ( 113 );

d) a cylinder wall with a seal ( 114 ), for the cylinder full of gas;

e) a lock ( 115 );

f) a gas valve ( 118 ) said gas valve allows gas pressure to equalize between different parts of said tank-car;

g) a cylinder wall with a seal and a lock ( 119 ) for the cylinder full of heavy metal;

h) a connector ( 210 );

i) a cylinder wall ( 211 ) for the piston with a seal ( 212 );

j) a cable ( 213 ), said cable goes from the piston with a seal ( 212 ) thru the pulleys ( 112 ) and compresses a spring ( 214 );

k) a spring ( 214 );

l) a rigid tract ( 216 );

m) a stop ( 217 );

n) a gas intake valve ( 219 );

o) a valve ( 220 );

p) a generator ( 226 );

q) a moveable pulley ( 252 )

wherein the plurality of tank-cars are attached to a track ( 216 );

wherein the machine is immersed in a body of liquid;

wherein some tank-cars with the cylinder full of gas extended out of the tank-car and the heavy metal weight in the tank-car float up, while some tank-cars with the cylinder full of gas in the tank-car and the heavy metal weight extended out of the tank-car sink;

wherein starting at position ( 222 ) the tank-car has neutral buoyancy, the cylinder full of heavy metal is extended out of the tank-car and the cylinder full of gas is in the tank-car;

wherein the tank-car is pulled along by the track past the position ( 223 );

wherein the tank-car turns and starts up;

wherein the cylinder full of heavy metal falls pulling the cable ( 113 ) that is attached to the cylinder full of gas, the cylinder full of gas becomes extended from the tank-car;

wherein the tank-car becomes lighter than the liquid it displaces and will float up doing work;

wherein gas valve ( 118 ) allows gas pressure to equalize between different parts of the tank-car;

wherein the gas pressure in the tank-car becomes reduced;

wherein the tank-car moves to the top position ( 224 );

wherein the lock ( 115 ) for the cylinder full of gas is released;

wherein the combination of low gas pressure inside the tank-car and the external liquid pressure causes the cylinder full of'gas to move back inside the tank-car;

wherein valve ( 219 ) becomes above the liquid line ( 221 ) allowing any gas that leaked out of the tank-car to be replaced;

wherein the tank-car becomes heavier than the liquid it displaces and will sink doing work;

wherein the tank-car passes position ( 225 ) and turns to head down;

wherein the cylinder full of heavy metal falls out of said tank-car pulling the piston with a seal ( 212 ) with it, and as said piston with a seal moves down it forces any liquid that leaked into said tank-car out thru valve ( 220 );

wherein as the piston with a seal moves down it pulls the cable ( 213 ) and that compresses the spring ( 214 );

wherein after the piston with a seal is pulled down the tank-car will displace less liquid and sink faster;

wherein the tank-car moves past the ( 222 ) position;

wherein the connector ( 210 ) releases the piston with a seal from the cylinder full of heavy metal and the stop ( 217 ) releases the spring ( 214 );

wherein the compressed spring pulls the piston with a seal back to the starting position;

wherein as the piston with a seal is pulled out of the tank-car it creates a jet of liquid, and a temporary low gas pressure that helps pull in the cylinder full of heavy metal in the next cycle;

wherein the cycle is complete;

wherein in a variation of this machine the heavy metal weight falls from above the tank-car thru said tank-car and out the bottom of said tank-car, and a moveable pulley ( 252 ) is added to pull the cylinder full of gas out of said tank-car, said movable pulley giving said heavy metal weight a mechanical advantage over said cylinder full of gas;

wherein the moving track powers a generator ( 225 ).