WO2013104968A4 - System and methods for converting rotational to linear motion with non - zero force - Google Patents
System and methods for converting rotational to linear motion with non - zero force Download PDFInfo
- Publication number
- WO2013104968A4 WO2013104968A4 PCT/IB2012/057723 IB2012057723W WO2013104968A4 WO 2013104968 A4 WO2013104968 A4 WO 2013104968A4 IB 2012057723 W IB2012057723 W IB 2012057723W WO 2013104968 A4 WO2013104968 A4 WO 2013104968A4
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- yoke
- crankshaft
- motion
- gears
- reciprocating motion
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B9/00—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to preceding groups
- F01B9/02—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to preceding groups with crankshaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/32—Engines characterised by connections between pistons and main shafts and not specific to preceding main groups
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transmission Devices (AREA)
Abstract
Disclosed are a system and methods enabling conversion of rotational motion to linear reciprocating motion with non-zero force, wherein the system comprises: a yoke (10a,10b); a first gear (4a) and a second gear (4b); and a first crankshaft (5) and a second crankshaft (6).
Claims
1. A system enabling conversion of rotational motion to linear reciprocating motion or vice versa with non zero force, wherein the system comprises:
a) a yoke;
b) a first gear and a second gear; and
c) a first crankshaft and a second crankshaft;
wherein the said first crankshaft and the said second crankshaft have at least two crankpin journals arranged in the opposing motion to each other causing crank pin bearings to approach and move away from each other simultaneously and alternately within first and second slot in the said yoke body;
and wherein the said slot in each arm of the said yoke creates at least two curved and at least two straight paths in each arm of the said yoke;
and wherein the said first crankshaft and the said second crankshaft are linked to the said first gear and the said second gear respectively;
and wherein the said first crankshaft and the said second crankshaft move in opposing motion consequent to synchronous opposing rotatory motion of the said first gear and the said second gear;
and wherein the opposing motion of the said crankpin bearings exerts a non-zero force on the said yoke;
and wherein two components of the resultant forces, namely the horizontal and the vertical component of forces act on the said yoke;
and wherein the said non-zero force acts on the said yoke causing the yoke to move in linear motion.
2. A system enabling conversion of rotational motion to linear reciprocating motion or vice versa with non zero force, wherein the system comprises:
a) a first yoke and a second yoke;
b) a first crankshaft and a second crankshaft, each having at least two crank pin journals with at least two crankpin bearings;
c) a driving gear;
d) at least two driven gears;
e) at least two linking rods; and
f) at least two positioning rods;
wherein the said first yoke and the said second yoke, the said first crankshaft and the said second crankshaft, the said driving gear, the said at least two driven gears, the said at least two linking rods, the said at least two positioning rods, at least four piston - cylinder complex and at least a bearing or bush are assembled in a housing;
and wherein the said first yoke and the said second yoke are ' V shaped;
and wherein the said first yoke and the said second yoke are arranged parallel to each other such that the upper arm and lower arm of the said first yoke is parallel to the upper arm and lower arm of the said second yoke; and wherein the said first yoke and the said second yoke are arranged in the said housing by means of the said at least two positioning rods and bearings so as to facilitate only the linear movement of yoke;
and wherein the said first yoke and the said second yoke comprises at least two circular notches arranged in series and in opposing manner forming slots in each arm of the said first yoke and the said second yoke;
and wherein the said each slot in each arm of the said first yoke and the said second yoke creates at least two curved and at least two straight paths in each arm of the said first yoke and the said second yoke;
and wherein the upper arm of the said first yoke and the upper arm of the said second yoke are linked through the said first crankshaft such that the said first crankshaft passes through the slot of the upper arm of the said first yoke and the slot of the upper arm of the said second yoke;
and wherein the lower arm of the said first yoke and the lower arm of the said second yoke are linked through the said second crankshaft such that the said second crankshaft passes through the slot of the lower arm of the said first yoke and the slot of the lower arm of the said second yoke;
and wherein each of the said first crankshaft and the said second crankshaft consists of the said at least two crankpin journals arranged perpendicular to each other in order to maintain 90 degree phase difference;
and wherein the said at least two crankpin bearings fixed on the said at least two crankpin journals arranged perpendicular to each other on the said first crankshaft, rotates or slides within the curved and straight path alternately respective to the said slot of the upper arm of the said first yoke and the said slot of the upper arm of the said second yoke in contact, during each rotation of the said first crankshaft;
and wherein the said at least two crankpin bearings fixed on the said at least two crankpin journals arranged perpendicular to each other on the said second crankshaft, rotates or slides within the curved and straight path alternately respective to the said slot of the lower arm of the said first yoke and the said slot of the lower arm of the said second yoke in contact, during each rotation of the said second crankshaft;
and wherein the said at least two driven gears are linked to the said first crankshaft and the second crankshaft such that the motion of each of the said driven gear is dependent on each other and are in mutual engagement for synchronous opposing rotation of crankshafts;
and wherein the said driving gear meshes with the said driven gear;
and wherein the rotation of the said driving gear is initiated by an external source for operation of the system;
and wherein the torque can be applied to any one of the said first crankshaft and the said second crankshaft or both of the said first crankshaft and the second crankshaft for synchronous opposing rotation of crankshafts;
and wherein when the said crankpin bearings fixed on the said counter rotating crankshaft sliding on the straight path of yoke approach towards or away from each other, develop a reaction force wherein the reaction force drives the said first yoke and the said second yoke linearly, thus converting the rotational motion to linear reciprocating motion;
and wherein during 0 to 90 degree rotation from starting position of the said at least two driven gears in the opposite direction with respect to each other, the said first crankshaft and the said second crankshaft also rotate in opposite direction with respect to each other so that the said first yoke moves forward by displacement due to the reaction force of the said crankpin bearings fixed on the said counter rotating crankshaft, sliding on the straight path of yoke approach each other in the said slots of the arms of the said first yoke, and whereas the said second yoke stays at its first extreme position;
and wherein during 91 to 180 degree rotation of the said at least two driven gears in the opposite direction with respect to each other, the said second yoke moves forward by displacement due to the reaction force of the said crankpin bearings fixed on the said counter rotating crankshafts, sliding on the straight path of yoke approach each other in the said slots of the arms of the said second yoke, and whereas the said first yoke remains at second extreme position;
and wherein during 181 to 270 degree rotation of the said at least two driven gears in the opposite direction with respect to each other, the said first yoke moves backward by displacement due to the reaction force of the said crankpin bearings fixed on the said counter rotating crankshaft, sliding on the straight path of yoke moving away from each other in the said slots of the arms of the said first yoke, and whereas the said second yoke stays at second extreme position;
and wherein during 271 to 360 degree rotation of the said at least two driven gears in the opposite direction with respect to each other, the said second yoke moves backward by displacement due to the reaction force of the said crankpin bearings fixed on the said counter rotating crankshaft, sliding on the straight path of yoke moving away from each other in the said slots of the arms of the said second yoke, and whereas the said first yoke stays at first extreme position;
and wherein this cycle repeats with every rotation wherein each yoke completes one linear reciprocating motion;
and wherein the said yoke is connected to a piston - cylinder complex by means of the said at least two linking rods connected to a piston head of the said piston- cylinder complex, so that the reciprocating motion of the yoke corresponds to the reciprocating motion of the piston within the said corresponding cylinder;
and wherein the said system is further coupled to piston-cylinder, diaphragm to enable the operation of pumps or compressor;
and wherein the said system is further coupled to piston-cylinder, valve head to enable the operation of engines.
3. The system enabling conversion of rotational motion to linear reciprocating motion or vice versa with non zero force of claim 1 , wherein the said yokes are further linked to guiding means for guiding the said yokes during its reciprocating linear movement, wherein the said guiding means includes a plurality of pistons and a plurality of cylinders wherein each piston is being mounted for reciprocating linear movement in a corresponding cylinder.
4. The system enabling conversion of rotational motion to linear reciprocating motion or vice versa with non zero force of claim 2, wherein the combined effect of the said four slots in the two yokes generates a very high force.
5. The system enabling conversion of linear reciprocating motion to rotational motion with non zero force of claim 2, wherein the reciprocating motion of the plurality of pistons are converted to rotational motion by linking a flywheel to the crankshafts.
6. The system enabling conversion of rotational motion to linear reciprocating motion or vice versa with non zero force of claim 2, wherein the system when used in a combustion engine, includes projections in the slots of both the arms of the two yokes, wherein the said projections help to eliminate any lag of piston due to insufficient force during combustion, wherein the lag is resolved by the action of bearings sliding or rotating on the projection keeping the motion constant and continuous so that the lag by one piston does not affect the cyclic motion of all the pistons in phase with each other and in turn in phase with the reciprocating motion of the yoke.
7. The system enabling conversion of rotational motion to linear reciprocating motion or vice versa with non zero force of claim 2, wherein the positioning rods prevent any other movement of the yoke other than the said reciprocating motion, facilitating the greatest conversion of rotational motion to linear motion by preventing other power robbing conditions and vibrations.
8. The system enabling conversion of rotational motion to linear reciprocating motion or vice versa with non zero force of claim 2, can be used in systems employing compressible and incompressible fluids wherein the value of "< "(the angle made by the yokes straight arm with the horizontal median passing through the centre of the yoke) can be varied to accommodate the reversible compression of compressible fluids.
9. The system enabling conversion of rotational motion to linear reciprocating motion or vice versa with non zero force of claim 1 and 2, wherein the system provides a waiting period for a certain time at the end of each reciprocating cycle, to provide additional time for opening or closing of valves to avoid slip of valves when used in pumps and a little more time for combustion, as well as availability of fully opened valves during suction and exhaust stroke and additional time for combustion when being used in combustion engines and wherein waiting period depends on lengths of curved and straight paths of said yoke slots.
10. The system enabling conversion of rotational motion to linear reciprocating motion or vice versa with non zero force of claim 2, wherein the system has a series of driven gears meshing each other in order to decrease speed and increase torque thereby increasing the force.
11. The system enabling conversion of rotational motion to linear reciprocating motion or vice versa with non zero force of claim 2, wherein the said system can be configured with valves head and piston - cylinder system to obtain mechanical power from combustion gases or pressurized fluids in engines.
12. The system enabling conversion of rotational motion to linear reciprocating motion or vice versa with non zero force of claim 2, wherein the said system can be configured with valves and piston-cylinder or diaphragm system to suck, pump or compress fluids.
13. The system enabling conversion of rotational motion to linear reciprocating motion or vice versa with non zero force of claim 2, wherein the said system can be configured with a valve system while used in engines or pumps selected from a set of ball valve, poppet valve, butterfly valve, control valve, globe valve, needle valve, check valve, clack valve, non-return valve, one-way valve, tap valve, control valves, directional control valve, one-way valve, two-way valve, three-way valve, four-way valve, zone valve, reed valve and any combinations thereof.
14. The system enabling conversion of rotational motion to linear reciprocating motion or vice versa with non zero force of claim 2, wherein the system comprises a pair of separable yoke members, crankshaft members, gear members, and releasable attachment means between said members providing for separation of the said members.
15. The system enabling conversion of rotational motion to linear reciprocating motion or vice versa with non zero force of claim2, wherein the said gear is a gear selected from a set of spur gears, helical gears, skew gears, double helical gears, bevel gears, spiral gears, hypoid gears, crown gears, worm gears, non circular gears, rack and pinion gears, epicyclic gears, sun and planet gears, harmonic drive gears, cage gears, and magnetic gears and any combinations thereof.
16. A method of working of the system enabling conversion of rotational motion to linear reciprocating motion with non zero force, comprising the steps of
a) initiating the motion of the driving gear by an external source;
b) driving of driven gears by the driving gear in synchronous opposing motion;
c) rotating motion of the two crank shaft with respect to the opposing motion of the driven gears;
d) rotating motion of the two crankpin bearings of the crankpins, arranged at 90 degree phase difference to each other in the alternating straight and curved paths of the slots in the two arms of the two yokes;
e) displacing of the first yoke forwards during 0 to 90 degree rotation of the crankshaft due to the reaction force of first set of crankpin bearings of the two crankshaft in opposing rotation, sliding on the straight path of yoke approaching towards each other while the said second yoke stays at its first extreme position;
f) displacing of the second yoke forwards during 91 to 180 degree rotation of the crankshaft due to the reaction force of the second set of crankpin bearings of the two crankshaft in opposing rotation, sliding on the straight path of yoke approaching towards each other while the said first yoke remains at second extreme position; g) displacing of the first yoke backwards during 181 to 270 degree rotation of the crankshaft due to the reaction force of first set of crankpin bearings of the two crankshaft in opposing rotation, sliding on the straight path of yoke moving away from each other while the said second yoke stays at second extreme position;
h) displacing of the second yoke backwards during 271 to 360 degree rotation of the crankshaft due to the reaction force of second set of bearings of the two crankshaft in opposing rotation, sliding on the straight path of yoke moving away from each other while the said first yoke stays at first extreme position;
i) guiding of the reciprocating motion of the yoke through a piston reciprocating in a corresponding cylinder; and
j) enabling the pumping or compressing of fluid.
17. A method of working of the system enabling conversion of linear reciprocating motion to rotational motion with non zero force, comprising the steps of
a) reciprocating motion of the piston within the cylinder due to combustion and or pressurized fluid;
b) reciprocating motion of the linking rods of the yoke with respect to the piston motion;
c) reciprocating motion of the yoke;
d) enabling opposing rotating motion of the two crankpin bearings on the crankpins, by forcing them in the alternating straight and curved paths of the slots in the two arms of the yoke or yokes with respect to the motion of the yoke or yokes;
e) transferring opposing rotating motion of the two crank shaft to the two gears linked to the crankshafts with respect to the opposing motion of the crankpin bearings; and f) rotating of the flywheel or gear/gears linked to the crankshaft and obtain power from system.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN106/MUM/2012 | 2012-01-12 | ||
| IN106MU2012 | 2012-01-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2013104968A1 WO2013104968A1 (en) | 2013-07-18 |
| WO2013104968A4 true WO2013104968A4 (en) | 2013-10-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IB2012/057723 WO2013104968A1 (en) | 2012-01-12 | 2012-12-26 | System and methods for converting rotational to linear motion with non - zero force |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2013104968A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10697518B2 (en) | 2016-05-27 | 2020-06-30 | Directus Group Llc | Method and system for converting rotating motion into linear motion |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1682613A1 (en) * | 1989-05-31 | 1991-10-07 | Центральный Научно-Исследовательский Институт По Моторостроению | Internal combustion engine |
| WO2006003678A1 (en) * | 2004-07-05 | 2006-01-12 | Prasanta Ray | A piston assembly for an engine and an engine comprising the same |
| US7152556B2 (en) * | 2004-11-22 | 2006-12-26 | Goltsman Mark M | Linear to rotational motion converter |
| JP2009197588A (en) * | 2008-02-19 | 2009-09-03 | Nobuhiro Kinoshita | Engine |
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2012
- 2012-12-26 WO PCT/IB2012/057723 patent/WO2013104968A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013104968A1 (en) | 2013-07-18 |
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