Machine controlled beating in rotary piston (MPRBC)

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Machine controlled beating in rotary piston (MPRBC)




by Remundo » 15/02/08, 11:55

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Create the movement from one energy source, convert it into another more useful thanks to a suitable device, while having a good performance and respecting the environment,

these are the challenges facing SYCOMOREEN.


SYCOMOREEN is a family company that my father created to develop a family of patents focused on renewable energies.

As some already know, I am an engineer (IFMA) and a teacher in preparatory classes for the grandes écoles, which has allowed me, for several years, to set our various ideas and creations to "scientific-legal" music.

Today is a great day since I propose to discover the first baby SYCOMOREEN:

: Arrow: the rotary piston machine with controlled flapping : Arrowl:

The patent was filed on December 19 2007 INPI

In the immediate future, we do not publish the claims of this patent for legal and intellectual property reasons.

Nevertheless, you have access to all the figures, animated and descriptive gifs.

A complete website will arrive as soon as possible:

http://sycomoreen.free.fr/

Be indulgent to the bugs ... :P

We await your reactions on this new machine usable as well in pump / compressor as motor.

For now, we are only developing our machines, but are open to any industrial partnership proposal.

Good reading and discovery!

Remundo
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by Remundo » 15/02/08, 11:57

SHORT

Machine (1) of the motor or pump type comprising:

- an engine block (6),

at least one pair of pistons (7A, 7B, 7C, 7D) delimiting at least one chamber (42A, 42B, 42C, 42D) and adapted to perform an alternating rotation movement to vary the volume of each chamber,

- a cylinder head (E3) to enter and exit the fluid in each chamber,

a driving shaft (30) adapted to perform a continuous rotational movement around a central axis of motor rotation (40),

- a mechanism of conversion of movement (E4) controlling the beats of the rotary pistons so as to convert their movement in continuous rotation on the motor shaft (30) around the axis of motor rotation (40).

- One or more rotational distributions optionally offering very wide possibilities, especially in the case of a heat engine: variable valve fully controllable phase and opening independently for each room, deactivation at will of one or more rooms

- optionally a compression rate adjustment system independently for each chamber optimizing the operation of supercharged engines.

The assembly, from 2 rotary piston pairs, a machine fully and perfectly balanced, extremely compact and lightweight, compatible with the thermal ignition and photo-ignition (CAI / HCCI) thanks to a favorable kinematics, and optimal performance according to the changes in its environment.
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by Remundo » 15/02/08, 12:00

Generalizable basic principle presented here for 2 pairs of rotary pistons,

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generalizable to N pairs of rotary pistons
visible animation on http://sycomoreen.free.fr/syco_francais ... le_4T.html
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by Remundo » 15/02/08, 12:01

The invention relates to a device intended to constitute an engine capable of producing mechanical work under the pressure of a fluid, or a pump capable of transferring or pressurizing a fluid. When the device constitutes a motor, the fluid under pressure can be obtained, in particular, by a liquid column, by a reserve of compressed air or by the combustion of a fuel. When the device constitutes a pump, it must provide a mechanical energy which is then communicated to the compressed fluid and / or decanted.
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by Remundo » 15/02/08, 12:02

General outline exploded perspective

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You will distinguish the 4 floors E1, E2, E3, E4 whose stack gives the general architecture of the engine.
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by Remundo » 15/02/08, 12:07

The present invention stands out clearly because of the following arrangements:
- the motor block (6) is fixed and defines the internal volume (41)
at least one pair of pistons (7A, 7B, 7C, 7D) is disposed in the inner volume (41); said pistons delimit at least one chamber (42A, 42B, 42C, 42D) and are adapted to perform an alternating rotational movement about their theoretical and individual axis of rotation (50A, 50B, 50C, 50D) with respect to the engine block ( 6) in said interior volume (41) to vary the volume of each chamber (42A, 42B, 42C, 42D),
- the cylinder head (E3) is fixed to enter and exit the fluid in each chamber,
a motion conversion mechanism (E4) connects the alternating rotation movements of the pistons (7A, 7B, 7C, 7D) about their theoretical and individual axis of rotation (50A, 50B, 50C, 50D) to the continuous rotational movement of the motor shaft (30) along its own axis of rotation (40). This conversion mechanism makes it possible to control the individual beats of the pistons. A piston beat is defined by its complete movement between two identical and successive extremal angular positions around the axes (50A, 50B, 50C, 50D): it is also a single alternating rotation cycle of said piston. The mechanisms for controlling the beat of the rotary pistons can be, in particular, of the two following types: one based on the use of a "deformable rhombus", the other on that of a "complex rotary cam".
a driving shaft (30) is adapted to perform a continuous rotation movement around a very particular axis (40), characterized in that this axis of rotation is parallel and equidistant from all the theoretical and individual axes of rotation of the pistons (50A, 50B, 50C, 50D), to which we associate physical axes of rotation (47A, 47B, 47C, 47D).
To synchronize the movements of the pistons and convert their alternating rotational movement into continuous rotational movement on the output shaft, the internal combustion engine described in US 5 222 463 uses two arms carried by two coaxial tubes solidary at least two non-consecutive pistons, said arms having lights in which slide the crank pins of a crankshaft. The power produced by the beats of the rotary pistons passes through a single path with 2 mechanically different coaxial pieces, making the conversion on the two massive arms whose movement is not balanced delicate.

On the contrary, the present invention consists in passing power through different mechanically identical paths within the machine in order to obtain:
a lighter dimensioning of the parts, in particular those converting the alternating rotational movement of the pistons into continuous rotational movement of the output shaft,
- an overall reduction in their cost by obtaining larger series of lighter parts,
a high power of the machine, perfectly and fully balanced from 2 pairs of pistons, thus allowing a sharp increase in its rotational speed.
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by Remundo » 15/02/08, 12:10

Machine without the E4 stage intended for the conversion of the movement

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We see :
the E3 stage intended to carry out gas exchange,
the E2 stage intended to carry out the thermomechanical conversions,
- the E1 stage intended to regulate the injection and the rate of compression
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by Remundo » 15/02/08, 12:10

Preferably, the axes of rotation of pistons (50A, 50B, 50C, 50D) are equidistant from the axis of motor rotation. Their intersections with a plane orthogonal to the axis (40) form a regular polygon centered on the axis (40) whose number of vertices is the number of rotary pistons (7A, 7B, 7C, 7D) of the machine.
According to a complementary characteristic according to the invention, the device furthermore preferably comprises external sculptures (43A, 43B, 43C, 43D) integral with the pistons (7A, 7B, 7C, 7D) and meshing with each other. Thus, on the one hand, the chambers (42A, 42B, 42C, 42D) are more sealed, and on the other hand, the synchronization of the pistons is favored since the distance between the axes of rotation of the pistons and their even number sculptures mesh directly between them, without the need for additional intermediate element.
According to another characteristic according to the invention, the device preferably comprises as many chambers as pistons.


Thus, each of the rotary pistons constantly separates two consecutive chambers from all the other chambers (42A, 42B, 42C, 42D) and performs at each moment a double effect scan:
a decrease in the volume of the first chamber, and simultaneously,
an increase in the volume of the second chamber being consecutive thereto.
This ensures a high compactness of the engine.
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by Remundo » 15/02/08, 12:11

E1 floor in exploded perspective

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by Remundo » 15/02/08, 12:11

According to yet another characteristic according to the invention, the motion conversion mechanism of the "deformable diamond" type preferably includes:
sliders (21,22,23,24) moving radially relative to the axis of engine rotation (40),
- Connecting rods (25,26,27,28) connecting the slides in pairs
eccentrics (9A, 9B, 9C, 9D) driven by the pistons (7A, 7B, 7C, 7D) and connected to the connecting rods,
- At least one pin secured to the drive shaft (30) and driven by the sliders.
In particular, if the crank pins, rods, sliders, eccentrics and pistons are mounted on bearings, a high efficiency of the mechanism can be achieved and increased reliability by reducing the wear of parts.
According to a complementary feature, this generic "deformable diamond" type device preferably requires an architecture composed of 4 pistons, 4 eccentric, 4 connecting rods, 4 slides and two crank pins having the following characteristics:
- the connecting rods (25,26,27,28) are mounted rotating, exactly in their middle on the eccentrics (9A, 9B, 9C, 9D), and their extension defines exactly a deformable rhombus, and
two of the four slides (23,24) are translatable in a first direction, in opposite directions to one another,
the two other slides (21,22) are translated in a second direction perpendicular to the first direction, in opposite directions to one another,
- the slides (23,24) are furthest away when the slides (21,22) are the closest together, and vice versa.
- The crank pins are diametrically opposed and each constantly in contact with two consecutive and orthogonal supports among the 4 supports (31,32,33,34) guided by 4 slides (21,22,23,24).
The robustness and efficiency of the conversion mechanism are thus further improved because the perfect guidance of said sliders can be done in particular with bearings tangential to the grooves (36,37) of the plate (29).
Last edited by Remundo the 15 / 02 / 08, 18: 46, 1 edited once.
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