US3865093A - Machine driven by rotary pistons - Google Patents

Machine driven by rotary pistons Download PDF

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Publication number
US3865093A
US3865093A US302922A US30292272A US3865093A US 3865093 A US3865093 A US 3865093A US 302922 A US302922 A US 302922A US 30292272 A US30292272 A US 30292272A US 3865093 A US3865093 A US 3865093A
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Prior art keywords
rotor
pinion
units
machine
piston
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Expired - Lifetime
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US302922A
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English (en)
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Rodriguez Miguel Ferragut
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    • 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
    • F02B57/00—Internal-combustion aspects of rotary engines in which the combusted gases displace one or more reciprocating pistons
    • F02B57/08—Engines with star-shaped cylinder arrangements
    • 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
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/10—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary

Definitions

  • a rotary piston machine has a stator, wherein an assembly functioning as a rotor turns. The rotor is joined to a shaft through which moving power is sent or received, depending on whether it is used as a generator or receiver of movement.
  • the machine is characterized in that the rotor consists of at least a cylindrical block wherein a cylindrical chamber is radially housed, with the characteristic that a piston. whose crankshaft rests on bearings in the rotor and which support a pinion which engages with a ring gear fixed to the stator, reciprocates in the chamber.
  • the present invention relates to a rotary machine of the type which can be used as an engine, a pump or a compressor by merely modifying certain constructive details which do not in any way change the fundamental structure of the invention.
  • Such machine is characterized in that a cylinder, wherein a piston moves, is housed within the rotor of the machine, functioning of same being achieved by the movement of the piston.
  • the machine in question may, of course, be simple or composite, in the latter case comprising an assembly of a plurality of simple units.
  • the machine in question deals with a more simple construction, it includes a stator having an inner cavity with a cylindrical surface. In the interior of the stator there is a tightly moving cylindrical rotor which adjusts to the walls of the entire stator. Such rotor has therein a radial cylindrical chamber, in which a reciprocating piston may move, the crankshaft of such piston is supported by bearings housed in the rotor.
  • a very important characteristic of the machine of the present invention is that one of the ends of the crankshaft is extended to form the pivot support for a pinion which is permanently engaged with a ring gear fixed to the stator.
  • the machine functions in four different ways, depending on the application to which it is destined, and also on the way in which movement is obtained.
  • the machine may be used as a movement receiver (pump or compressor) or as a movement generator (engine), transmissions in each case being carried out in the manner briefly outlined above.
  • a movement receiver pump or compressor
  • a movement generator engine
  • such movement may be made in such a way that it is the rotor which turns, thus causing the rotation of the shaft connected thereto, or it may be made in such a way that the rotor is in a fixed position, thus permitting the stator to turn in order to effect the power output therethrough.
  • FIG. 1 is a longitudinal cross sectional view of an engine constructed in accordance with the invention and composed of a single working unit.
  • FIG. 2 is a cross section of said engine, taken on the line E-F in FIG. 1.
  • FIG. 3 is a section ofa working unit, taken on the line C-D indicated in FIG. 8, and corresponding to the moment in which the piston of the rotor is in one of its outermost neutral positions.
  • FIG. 4 is a section similar to that of FIG. 3, but taken at a different working moment, when the piston of the rotor is in one of its innermost neutral positions.
  • FIG. 5 is a longitudinal section of an engine constructed according to the invention, composed of two working units and taken along line A-B in FIG. 7.
  • FIG. 6 is a view similar to that of the preceding figure, but wherein the rotors have not been sectioned and taken along line G-I-I in FIG. 9.
  • FIG. 7 is a side elevational view of an engine constructed in accordance with FIGS. 5 and 6.
  • FIG. 8 is a side view of the same engine rotated from the view of FIG. 7.
  • FIG. 9 is an end elevational view of the engine of FIGS. 5 to 8, taken from one of its ends.
  • FIG. 10 is a second end elevational view taken from the end on which the inertia wheel is mounted.
  • FIG. 11 is a longitudinal section of an engine constructed according to the invention, composed of three working units.
  • FIG. 12 illustrates a rotor connecting element for a multiple engine, when three rotors are provided.
  • FIG. 13 illustrates the manner of carrying out the angular displacement of the pistons corresponding to the rotors of an engine, when three units are provided.
  • FIG. 14 is a longitudinal section of an engine constructed according to the invention, the engine being composed of four working units.
  • FIG. 15 is a cross-section of a machine according to the present invention, when said machine is intended to function as a pump or compressor.
  • valves in both cases there is no need to use valves nor all the accessory elements required for the functioning of such valves. Furthermore, a great reduction in the number of transmission and movement conversion elements necessary, whereby a reduction in weight is obtained, is made possible.
  • the piston effecting a four-stroke cycle functions once for every revolution. This feature constitutes a considerable improvement in the efficiency of engines having four reciprocating cycles, the piston of which functions only once for every two complete revolutions.
  • the stator casing comprises a body 1 which is hollow with a cylindrical internal surface.
  • the stator has therein a cylindrical body 2 constituting the rotor which has a radial recess 3 constituting the chamber for a reciprocating piston 29 whose rod 30 is connected at its head to the journal 7 of a crankshaft, the supports of which are supported, by means of ball bearings 6, in the rotor body 2.
  • one of the supports 5 of the crankshaft is concentrically extended to form a lug 33 which serves as a pivot support for a pinion 10, permanently engaged with a ring gear 12 which forms an integral part of the stator 1.
  • the ring gear 12 is mounted on a casing or housing 21, constituting an extention of the stator 1.
  • Housing 21 is independent from stator body 1 in order to facilitate the mounting of the assembly, although it is fastened thereto in such a way that, functionally speaking, the two units may be considered as a single unit.
  • stator body 1 and the casing 21, wherein the ring gear is mounted extend to fixed bodies 18 and 20, respectively, which form the remainder of the casing of the machine, and which provide supports for two axle shafts 17 which are connected to opposite sides of the rotor by means of elements 19, one of which has a shape designed to house the portion of the pinion 10.
  • An inertia wheel 23 is mounted on one of the axle shafts and is provided, internally and on its external face, with a crown gear 42 by means of which starting of the machine may be effected with the aid of any conventional device suitable for this purpose.
  • Cooling may be effected by air, in which case, the stator and the remaining parts of the fixed casing should include fins which would permit a better diffusion of heat outwardly; or by water, as in the embodiment shown, wherein all the mentioned elements composing the fixed casing, form a chamber 14 enclosing the assembly and through which a stream of cooling water is circulated.
  • the general construction of the engine requires the crankshaft to be split, having, in the conventional manner, a journal which extends into a conical part, which part may be housed in a cavity similar to that provided in one of the supports kept from turning by means of keys, and an outer part projects a given length to secure the mounting by means ofa nut or the like.
  • the extended conical portion of the journal is indicated as 8 and the nut effecting the fixing as 9.
  • a radially orientated bore 25 may be made in the pinion 10.
  • Such bore stretches from the crest of one of its teeth to an axial duct 26 formed in the corresponding support 5 of the crankshaft.
  • Branches 27 and 28 may be provided from such bore or duct for greasing the roller bearings and the head of the rod.
  • Greasing of the bottom of the rod, as well as of the bolt in which same is fastened, may take place for example by means of radial bores 31 provided in the piston wall in accordance with the lubricating segment.
  • the inlet of oil may be effected by ducts 22 in the casing, said ducts communicating with the crank case.
  • FIG. 2 shows a section of the engine having a single cylinder, with which we shall now deal, taken on the line E-F indicated in FIG. 1.
  • This figure better illustrates the way in which the pinion 10 is connected to the ring gear 12, as well as the way in which one element 19, whereby the rotor is joined to one shaft 17, has a grooved or notched interior 50, to house the portion of the pinion 10 situated below element 19 when element 19 is applied to the end of the machine on which said pinion is mounted.
  • This figure also shows the screws 24 in section by means of which and through the rotor 2 the axle shafts 17 are connected to each other. Movement is effected by these two axle shafts, as can be seen from the arrangement of the keys 13.
  • the ring gear 12 is fastened to its supporting casing 21.
  • these keys are distributed along the circumference of the assembly in such a way that they are equidistant from each other.
  • the shape of element 19, by means of which the connection between the engine and the axle shafts is effected, is substantially elliptical, having perforations or holes near the ends thereof which are in a face to face relationship with corresponding perforations or holes in the rotors.
  • FIGS. 3 and 4 aid understanding of the way in which the engine functions.
  • FIG. 3 specifically shows the piston 29 situated in one of its outermost neutral positions, on the point of starting to function, while FIG. 4 shows the same piston in one of its innermost neutral positions, when suction has terminated and the compression phase is about to start.
  • baffie 34 has been provided in the head of the piston 29.
  • the shape of such baffle is complemented with that ofthe compression chamber 35 housed in the stator, in order to obtain a resultant of force in the expansion of the compressed gases which aids in obtaining the turning of the rotor.
  • FIG. 3 also shows that compression rings 36 and 37 have been placed on both sides of the recess, radially housed in the rotor 2, which forms the cylinder 3, in which the piston 29 moves.
  • compression rings help to avoid the expansion ofthe gases from escaping in any way other than into cylinder 3 to lower the piston.
  • a third compression ring 38 is provided in a forward position with regard to the direction of rotation of the rotor, so that just before the piston 29 reaches its uppermost position, when the compression phase is initiated, ring 38 prevents the compression from being destroyed before ring 37 has passed compression chamber 35 and come in contact with the stator.
  • FIGS. 5, 6, 7, 8, 9 specifically show an engine whose general features are identical to those which have been previously described, but which is composed of two working units, joined together by a connection element 19 identical to those joining the axle shafts 17 to the rotor assembly.
  • FIG. 5 represents the assembly with one of the rotary units in section, the other rotary unit being only partly sectioned, so that the external part of the piston may be seen.
  • the bearings 6 of the crankshaft as can be seen, completely encircle the supports 5 and are mounted under pressure in a housing 4 formed in the part of rotor 2 diametrically opposite to that occupied by chamber 3 which constitutes the engine cylinder.
  • FIG. 6 wherein the rotors have not been shown in section, shows that the cylindrical shape of the periphery of the rotors insures a perfect air tightness with the inner surface of the stator and simultaneously with a support which cooperates with the bearing supports of the outlet axle shafts.
  • FIGS. 7 to 10 represent outside views of an engine made in accordance with the embodiment shown in FIGS. 5 and 6, from which the modification to screws 15, which join the various parts composing the outer casing, and to guide pins 16 which cooperate in guiding during coupling of the various parts, can be seen.
  • FIGS. 7 to 10 represent outside views of an engine made in accordance with the embodiment shown in FIGS. 5 and 6, from which the modification to screws 15, which join the various parts composing the outer casing, and to guide pins 16 which cooperate in guiding during coupling of the various parts, can be seen.
  • the cylinders 3, housed in the rotors 2 acting as working chambers for the respective pistons 29, should be set at an angle of 180 from each other so that the expansion phase will not take place in both units simultaneously, thus producing smooth operation of the machine without imbalanced impact.
  • the cylinders 3 acting as working chambers for the respective pistons 29 should be set at an angle of from each other, as indicated in FIG. 13.
  • the engine may also be made to include four working units, including necessary rotors and corresponding stators and ring gear supporting casings (FIG. 14), and also including the rotor connecting elements 43 shown in FIG. 12, with the purpose of conferring to the rotors the required relative angular displacement.
  • FIGS. 1, 5, 11, and 14 illustrate screws 24 which fasten the different elements constituting the rotating part of each unit to each other, joining :such elements firmly together in such a way that the formation of a single driving machine takes place.
  • the connecting screws 24 can pass through the rotor assembly from one side to the other, since they enter the perforations or holes in the elements 19 and the perforations provided for in the single rotor which are in perfect alignment.
  • ports 45, 40, 47 and 48 have been provided,- such ports being arranged in pairs set at an angle of 180 from each other, each port forming a pair being situated a few degrees ahead and a few degrees behind respectively, with regards the two outermost neutral positions of the piston.
  • a pump or a compressor made according to the invention may comprise, as in the case of engines, as many working units as necessary, the joining of the different rotors being effected in exactly the same way.
  • port 48 is a suction port and if the rotor turns in a clockwise manner, in this case operation would be effected as follows: 7
  • a rotary machine for use as either a generator or a receiver of movement, said machine comprising:
  • each of said at least one rotor units comprising:
  • a cylindrical rotor body having an outer peripheral surface in contiguous contact with said respective inner surface of said stator casing, a single dead-end radial recess formed in said outer peripheral surface;
  • a piston-rod mechanism mounted to reciprocate within said recess
  • crankshaft having an outer diameter less than the diameter of said cylindrical opening and having the opposite ends thereof pivotally supported in said cylindrical opening about said axis thereof, said piston-rod mechanism being connected to an eccentric journal of said crankshaft, said eccentric journal being within said outer diameter of said crankshaft, said crankshaft at one end thereof having an extension;
  • said at least one cylindrical inner surface comprises a single inner surface; said at least one rotor unit comprises a single rotor unit; and said shaft means comprises a pair of shafts, one each connected to opposite ends of the rotor body of said single rotor unit, and connection means extending completely through said rotor body for connecting said pair of shafts thereto, the one of said shafts connected to said rotor body adjacent the end thereof with said ring gear and pinion having recess means therein to accommodate a portion of said pinion.
  • said at least one cylindrical inner surface comprises at least two inner surfaces; said at least one rotor unit comprises at least two rotor units; the longitudinal axes of said rotor bodies of said rotor units being aligned; and the direction of reciprocation of said piston-rod mechanisms of said rotor units being equi-angularly spaced from each other.
  • a machine as claimed in claim 4, comprising two inner surfaces and respective rotor units, a first of said rotor units having an exterior ring gear and pinion, and a second of said rotor units having a ring gear and pinion positioned between said rotor units; and wherein said shaft means comprises a pair of shafts, one each connected to an opposite outer end of said of the two rotor bodies of said two rotor units, and connection means extending through said two rotor bodies for connecting said pair of shafts thereto, the one of said shafts connected to said rotor body of said first rotor unit having a recess means therein to accommodate a portion of said pinion of said first rotor unit, said connection means further comprising an element positioned between the rotor bodies of said first and second rotor units and having recess means to accommodate a portion of said pinion of said second rotor unit.
  • a machine as claimed in claim 4, comprising more than two inner surfaces and respective rotor units; and wherein said shaft means comprises a pair of shafts, one each connected to an outer end of the two outermost of the rotor bodies of said more than two rotor units, first type connection means extending through each of said two outermost rotor bodies to connect the respective of said shafts thereto, and second type connection means extending through adjacent interior of said rotor bodies for rigid positioning thereof; a first of said outermost rotor units having an exterior ring gear and pinion, and the remainder of said rotor units each having a ring gear and pinion positioned between adjacent rotor units; the one of said shafts connected to said rotor body of said first outermost rotor unit having a recess means therein to accommodate a portion of said pinion of said first outermost rotor unit; said second type connection means further comprising a plurality of elements, one each positioned between the rotor bodies of adjacent of said rotor units and each having recess means to accommodate
  • a machine as claimed in claim 1 for use as an engine further comprising, for each of said at least one rotor units, an inlet port and an exhaust port extending through the respective of said at least one inner surface of said stator casing at a first position thereof adjacent a first outermost position of said piston-rod mechanism with respect to said recess; and a compression chamber formed in said respective inner surface of said stator casing at a second position thereof adjacent a second outermost position of said piston-rod mechanism with respect to said recess.
  • a machine as claimed in claim 1 for use as a compressor or pump further comprising, for each of said at least one rotor units, a first pair of suction and discharge ports extending through the respective of said

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Electromagnetic Pumps, Or The Like (AREA)
  • Hydraulic Motors (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
US302922A 1971-11-04 1972-11-01 Machine driven by rotary pistons Expired - Lifetime US3865093A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES396667A ES396667A1 (es) 1971-11-04 1971-11-04 Maquina de embolos rotativos.

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US3865093A true US3865093A (en) 1975-02-11

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Country Status (9)

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US (1) US3865093A (fr)
JP (1) JPS5819841B2 (fr)
DD (1) DD103030A5 (fr)
DE (1) DE2212020A1 (fr)
ES (1) ES396667A1 (fr)
FR (1) FR2160014A5 (fr)
GB (1) GB1402593A (fr)
IT (1) IT974816B (fr)
SU (1) SU466675A3 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4154199A (en) * 1977-03-28 1979-05-15 Yasuo Ueno Reciprocating and rotary internal combustion engine
US4421073A (en) * 1981-12-14 1983-12-20 Manuel Arregui Rotating cylinder internal combustion engine
WO1993011343A1 (fr) * 1991-11-29 1993-06-10 John Peter Gahan Moteur birotatif
WO1996035862A1 (fr) * 1995-05-10 1996-11-14 Murray Roulston Moteur birotatif
WO1999018332A1 (fr) * 1997-10-06 1999-04-15 John Peter Gahan Moteur rotatif a deux temps
US20070240563A1 (en) * 2005-10-11 2007-10-18 Parker-Hannifin Corporation DOUBLE-ACTING RADIAL PlSTON HYDRAULIC APPARATUS
US20080121207A1 (en) * 2005-02-08 2008-05-29 Ivaylo Sachariev Pelov Rotor-Piston Internal Combustion Engine
CN102322339A (zh) * 2011-07-29 2012-01-18 周济亮 活塞式转子发动机
US20150098841A1 (en) * 2013-10-09 2015-04-09 Chart Inc. Spin Pump With Spun-Epicyclic Geometry
DE102015015111A1 (de) * 2015-11-23 2017-05-24 Jürgen Theile Viertakt-Verbrennungsmotor

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2107793B (en) * 1981-10-22 1985-09-18 Malcolm Bicknell Mcinnes Heat engines
DE3414227A1 (de) * 1984-04-14 1985-10-24 Karl 6908 Wiesloch Lehr Kombinations-drehzylindermotor
ES2291142B1 (es) * 2007-07-09 2008-09-01 Jose Antonio Perez Rayo Sistema motriz de piston y cilindro rotativos.
RU2467174C2 (ru) * 2011-02-25 2012-11-20 Александр Васильевич Иванов Поршневая машина

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1041519A (en) * 1910-02-03 1912-10-15 Arthur C Seibak Motor-wheel for cycles.
US1302442A (en) * 1917-05-18 1919-04-29 Leslie M Sheridan Engine.
US1705130A (en) * 1927-08-11 1929-03-12 Mcklusky John Internal-combustion engine
US1909271A (en) * 1931-03-20 1933-05-16 American Gas Turbine Corp Mechanical movement
US2990820A (en) * 1958-05-01 1961-07-04 Saijo Genzo Rotating mechanism of main shaft of oil engine
US3431894A (en) * 1967-03-08 1969-03-11 Von D Allred Rotary device
US3521533A (en) * 1966-11-25 1970-07-21 Gilbert Van Avermaete Rotary machine,such as a rotary internal combustion engine,turbine,compressor,and the like

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1041519A (en) * 1910-02-03 1912-10-15 Arthur C Seibak Motor-wheel for cycles.
US1302442A (en) * 1917-05-18 1919-04-29 Leslie M Sheridan Engine.
US1705130A (en) * 1927-08-11 1929-03-12 Mcklusky John Internal-combustion engine
US1909271A (en) * 1931-03-20 1933-05-16 American Gas Turbine Corp Mechanical movement
US2990820A (en) * 1958-05-01 1961-07-04 Saijo Genzo Rotating mechanism of main shaft of oil engine
US3521533A (en) * 1966-11-25 1970-07-21 Gilbert Van Avermaete Rotary machine,such as a rotary internal combustion engine,turbine,compressor,and the like
US3431894A (en) * 1967-03-08 1969-03-11 Von D Allred Rotary device

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4154199A (en) * 1977-03-28 1979-05-15 Yasuo Ueno Reciprocating and rotary internal combustion engine
US4421073A (en) * 1981-12-14 1983-12-20 Manuel Arregui Rotating cylinder internal combustion engine
WO1993011343A1 (fr) * 1991-11-29 1993-06-10 John Peter Gahan Moteur birotatif
WO1996035862A1 (fr) * 1995-05-10 1996-11-14 Murray Roulston Moteur birotatif
WO1999018332A1 (fr) * 1997-10-06 1999-04-15 John Peter Gahan Moteur rotatif a deux temps
US20080121207A1 (en) * 2005-02-08 2008-05-29 Ivaylo Sachariev Pelov Rotor-Piston Internal Combustion Engine
US7673595B2 (en) * 2005-02-08 2010-03-09 Pelanel Gbr Rotor-piston internal combustion engine
US20070240563A1 (en) * 2005-10-11 2007-10-18 Parker-Hannifin Corporation DOUBLE-ACTING RADIAL PlSTON HYDRAULIC APPARATUS
US8052401B2 (en) 2005-10-11 2011-11-08 Parker-Hannifin Corporation Double-acting radial piston hydraulic apparatus
CN102322339A (zh) * 2011-07-29 2012-01-18 周济亮 活塞式转子发动机
US20150098841A1 (en) * 2013-10-09 2015-04-09 Chart Inc. Spin Pump With Spun-Epicyclic Geometry
US9771931B2 (en) * 2013-10-09 2017-09-26 Chart Inc. Spin pump with spun-epicyclic geometry
US20180073493A1 (en) * 2013-10-09 2018-03-15 Chart Inc. Spin pump with spun-epicyclic geometry
US10465669B2 (en) * 2013-10-09 2019-11-05 Chart Inc. Spin pump with spun-epicyclic geometry having piston bores capped with caps including ducts or valves within the rotor
DE102015015111A1 (de) * 2015-11-23 2017-05-24 Jürgen Theile Viertakt-Verbrennungsmotor

Also Published As

Publication number Publication date
FR2160014A5 (fr) 1973-06-22
ES396667A1 (es) 1974-05-16
DD103030A5 (fr) 1974-01-05
SU466675A3 (ru) 1975-04-05
DE2212020A1 (de) 1973-05-10
IT974816B (it) 1974-07-10
JPS4853103A (fr) 1973-07-26
GB1402593A (en) 1975-08-13
JPS5819841B2 (ja) 1983-04-20

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