EP2088283A1 - Reciprocating rotary internal combustion engine - Google Patents

Reciprocating rotary internal combustion engine Download PDF

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Publication number
EP2088283A1
EP2088283A1 EP08380033A EP08380033A EP2088283A1 EP 2088283 A1 EP2088283 A1 EP 2088283A1 EP 08380033 A EP08380033 A EP 08380033A EP 08380033 A EP08380033 A EP 08380033A EP 2088283 A1 EP2088283 A1 EP 2088283A1
Authority
EP
European Patent Office
Prior art keywords
engine
combustion
stator
inner piston
combustion chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08380033A
Other languages
German (de)
French (fr)
Inventor
Lorenzo Merayo Gonzalez
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to EP08380033A priority Critical patent/EP2088283A1/en
Publication of EP2088283A1 publication Critical patent/EP2088283A1/en
Withdrawn legal-status Critical Current

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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
    • F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F01B3/0079—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis having pistons with rotary and reciprocating motion, i.e. spinning pistons
    • 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
    • F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F01B3/04—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis the piston motion being transmitted by curved surfaces
    • F01B3/06—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis the piston motion being transmitted by curved surfaces by multi-turn helical surfaces and automatic reversal
    • 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
    • F01B7/00—Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders
    • F01B7/02—Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders with oppositely reciprocating pistons
    • F01B7/04—Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders with oppositely reciprocating pistons acting on same main shaft
    • 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
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
    • F02B33/04—Engines with reciprocating-piston pumps; Engines with crankcase pumps with simple crankcase pumps, i.e. with the rear face of a non-stepped working piston acting as sole pumping member in co-operation with the crankcase
    • 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
    • F02B75/28—Engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders

Definitions

  • the invention is comprised in the technical field dedicated to internal combustion heat engines, more specifically those called explosion or spark ignition engines (SIE) and combustion ignition engines (CIE).
  • SIE explosion or spark ignition engines
  • CIE combustion ignition engines
  • the stator can further comprise:
  • the stator can also comprise
  • stator can comprise:
  • the stator (4) further comprises:
  • the stator (4) also comprises:
  • the stator (4) additionally comprises:
  • stator (4) further comprises:
  • the rotary piston no longer needs a camshaft or connecting rods and has its own internal lubrication - it is not included in the fuel.
  • the fuel and combustion agent mixture (5) enters the upper part of the chamber (a) through an inlet or intake hole, where it is compressed by the upper face of the piston (1), expelled through an outlet hole through the duct (6) and an inlet hole towards the lower chamber (b), where a heater (7) and the compression of the lower face of the piston (1) make it explode; the piston (1) has reached this position by rotating, guided by the bushing (2) moving through the groove-guide (3).
  • This explosions expels the combustion gases through an outlet hole and exhaust manifold and moves the lower face of the pistons (1) forwards, whereby the cycle starts again absorbing new fuel (5).
  • This assembly of pistons, bushing, guide and chambers is covered by an outer cylinder or sleeve (4), with 2 opposite inner guides for the bushing (2) and the lubricant-refrigerant.
  • This sleeve (4) has a gear at its outer part to drive a belt-pulley, a chain or another gear sleeve - as a simple transmission element or as part of another piston; it furthermore protects the assembly. Elements that decrease the power, give mechanical problems or are excessively heated are thus avoided.
  • a second rotary piston in line to compensate horizontal or vertical compensations - it can be placed as desired or as is most suitable depending on the existing transmission or on the space- in the vehicle; it can also be placed in parallel with opposite rotation.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)

Abstract

The invention relates to a reciprocating rotary internal combustion engine having: a stator (4) having a cylindrical inner cavity (a, b) having a side wall (40); an inner piston (1) configured to be driven in the inner cavity (a, b) by a combustion of the fuel and combustion agent mixture; the stator (4) has a guide (3) worked in the side face (40) to generate a rotary movement in the inner piston (1) during the reciprocating movement of the inner piston (1); the inner piston (1) has a bushing (2) perpendicular to the side face (40), the bushing (2) defining two diametrically opposite protrusions configured to run along the guide (3) during the reciprocating movement of the inner piston (1) and generate the rotary movement in the inner piston (1) during the reciprocating movement.

Description

    Field of the Invention
  • The invention is comprised in the technical field dedicated to internal combustion heat engines, more specifically those called explosion or spark ignition engines (SIE) and combustion ignition engines (CIE).
    • Background of the Invention
  • In the automotive field and in the other fields, the most used heat engines are conventional or reciprocating type engines with cylinders and pistons, both gasoline explosion or spark ignition engines (SIE), and diesel oil, diesel or combustion ignition engines (CIE).
  • In these engines, the rectilinear reciprocating movement of the pistons is converted into a circular or rotating movement by means of the connecting rods and the crankshaft.
    • Description of the Invention
  • aspect of the invention relates to a reciprocating rotary internal combustion engine having:
    • a stator having a cylindrical inner cavity having a side wall, a first base and a second base;
    • an inner piston configured to be driven in the inner cavity along a stroke comprised between the first base and the second base by a combustion of a fuel and combustion agent mixture;
      characterized in that:
    • the stator comprises a guide worked in the side face to generate a rotary movement in the inner piston during the reciprocating movement of the,inner piston;
    • the inner piston comprises a bushing perpendicular to the side face, the bushing defining two diametrically opposite protrusions configured to run along the guide during the reciprocating movement of the inner piston and generate the rotary movement in the inner piston during the reciprocating movement.
  • The stator can further comprise:
    • an intake duct connected to a compression chamber to drive:
      • a combustion agent when it is a direct injection (di) engine;
      • a fuel and combustion agent mixture when it is an indirect injection (ii) engine;
      • to the compression chamber;
    • an exhaust duct connected to a combustion chamber to drive waste from a combustion from the combustion chamber.
  • The stator can also comprise
    • an injector in the combustion chamber to inject a fuel under pressure into the combustion chamber when it is a direct injection (di) engine.
    stator can additionally comprise:
    • an injector in the intake duct to inject a fuel into the intake duct when it is an indirect injection (ii) engine.
  • Depending on the type of engine, the stator can comprise:
    • a spark plug in the combustion chamber to cause the combustion of the mixture when it is a spark ignition engine (SIE)..
    the stator further comprises:
    • a transport duct connected to the compression chamber and to the combustion chamber to drive:
      • a compressed combustion agent when it is a direct injection (di) engine;
      • a compressed fuel and combustion agent mixture when it is an indirect injection (ii) mixture;
      from the compression chamber to the combustion chamber.
    • the inner piston further comprises:
      • a rod located on a central longitudinal axis of the piston and stator configured to receive the rotary movement generated by the inner piston;
    • the stator further comprises:
      • an intake valve configured to open/close an inlet port where the intake duct is connected to the compression chamber;
      • an exhaust valve configured to open/close an outlet port where the exhaust duct is connected to the combustion chamber;
      a cam connected to the rod in order to rotate, dragged by the rod, the cam comprising a profile configured to make contact with a rear portion of the intake and exhaust valves and to push the intake and exhaust valves between open and closed positions.
    Brief Description of the Drawings
  • A series of drawings is very briefly described below which aid in better understanding the invention and are expressly related to an embodiment of said invention shown as a non-limiting example thereof.
    • Figures 1A, 1B, 1C, 1D and 1E show a sequence of a 4-stroke engine with two opposite cylinders.
    • Figure 2 shows a 4-stroke engine.
    • Figure 3 shows a 2-stroke engine.
    Description of a Preferred Embodiment of the Invention
  • embodiment of the invention relates to a reciprocating rotary internal combustion engine having:
    • a stator (4) having a cylindrical inner cavity (a, b) having a side wall (40), a first base (41) and a second base (42);
    • an inner piston (1) configured to be driven in the inner cavity (a, b) along a stroke comprised between the first base (41) and the second base (42) by a combustion of a fuel and combustion agent mixture;
    characterized in that:
    • the stator (4) comprises a guide (3) worked in the side face (40) to generate a rotary movement in the inner piston (1) during the reciprocating movement of the inner piston (1);
    • the inner piston (1) comprises a bushing (2) perpendicular to the side face (40), the bushing (2) defining two diametrically opposite protrusions configured to run along the guide (3) during the reciprocating movement of the inner piston (1) and generate the rotary movement in the inner piston (1) during the reciprocating movement.
  • The stator (4) further comprises:
    • an intake duct (5) connected to a compression chamber (a) to drive:
      • a combustion agent when it is a direct injection (di) engine;
      • a fuel and combustion agent mixture when it is an indirect injection (ii) engine;
      • to the compression chamber (a);
    • an exhaust duct (8) connected to a combustion chamber (b) to drive waste from a combustion from the combustion chamber (b).
  • The stator (4) also comprises:
    • an injector (Y) in the combustion chamber (b) to inject a fuel under pressure into the combustion chamber (b) when it is a direct injection (di) engine.
  • The stator (4) additionally comprises:
    • an injector (Y) in the intake duct (5) to inject a fuel into the intake duct (5) when it is an indirect injection (ii) engine.
  • Depending on the type of engine, the stator (4) further comprises:
    • a spark plug (7) in the combustion chamber (b) to cause the combustion of the mixture when it is a spark ignition engine (SIE).
    the stator (4) further comprises:
    • a transport duct (6) connected to the compression chamber (a) and to the combustion chamber (b) to drive:
      • a compressed combustion agent when it is a direct injection (di) engine;
      • a compressed fuel and combustion agent mixture when it is an indirect injection (ii) engine;
      • from the compression chamber (a) to the combustion chamber (b).
    • the inner piston (1) further comprises:
      • a rod (10) located in a central longitudinal axis of the pistons (1) and stator (4) configured to receive the rotary movement generated by the inner piston (1);
    • the stator (4) further comprises:
      • an intake valve (50) configured to open/close an inlet port where the intake duct (5) is connected to the compression chamber (a);
      • an exhaust valve (80) configured to open/close an outlet port where the exhaust duct (8) is connected to the combustion chamber (b);
      • a cam (B) connected to the rod (10) in order to rotate, dragged by the rod (10), the cam (B) comprising a profile configured to make contact with a rear portion of the intake (50) and exhaust (80) valves and to push the intake (50) and exhaust (80) valves between open and closed positions.
  • In the 2-stroke variant, which is more effective due to lower consumption and less parts in friction and smaller mass shifts, the rotary piston no longer needs a camshaft or connecting rods and has its own internal lubrication - it is not included in the fuel.
  • The fuel and combustion agent mixture (5) enters the upper part of the chamber (a) through an inlet or intake hole, where it is compressed by the upper face of the piston (1), expelled through an outlet hole through the duct (6) and an inlet hole towards the lower chamber (b), where a heater (7) and the compression of the lower face of the piston (1) make it explode; the piston (1) has reached this position by rotating, guided by the bushing (2) moving through the groove-guide (3). This explosions expels the combustion gases through an outlet hole and exhaust manifold and moves the lower face of the pistons (1) forwards, whereby the cycle starts again absorbing new fuel (5).
  • This assembly of pistons, bushing, guide and chambers is covered by an outer cylinder or sleeve (4), with 2 opposite inner guides for the bushing (2) and the lubricant-refrigerant. This sleeve (4) has a gear at its outer part to drive a belt-pulley, a chain or another gear sleeve - as a simple transmission element or as part of another piston; it furthermore protects the assembly. Elements that decrease the power, give mechanical problems or are excessively heated are thus avoided.
  • As in the 4-stroke version, there may be a second rotary piston in line to compensate horizontal or vertical compensations - it can be placed as desired or as is most suitable depending on the existing transmission or on the space- in the vehicle; it can also be placed in parallel with opposite rotation.

Claims (7)

  1. A reciprocating rotary internal combustion engine having:
    a stator (4) having a cylindrical inner cavity (a, b) having a side wall (40), a first base (41) and a second base (42);
    an inner piston (1) configured to be driven in the inner cavity (a, b) along a stroke comprised between the first base (41) and the second base (42) by a combustion of a fuel and combustion agent mixture;
    characterized in that:
    the stator (4) comprises a guide (3) worked in the side face lateral (40) to generate a rotary movement in the inner piston (1) during the reciprocating movement of the inner piston (1);
    the inner piston (1) comprises a bushing (2) perpendicular to the side face (40), the bushing (2) defining two diametrically opposite protrusions configured to run along the guide (3) during the reciprocating movement of the inner piston (1) and generate the rotary movement in the inner piston (1) during the reciprocating movement.
  2. The engine of claim of 1, wherein the stator (4) further comprises:
    an intake duct (5) connected to a compression chamber (a) to drive:
    a combustion agent when it is a direct injection (di) engine;
    a fuel and combustion agent mixture when it is an indirect injection (ii) engine;
    to the compression chamber (a);
    an exhaust duct (8) connected to a combustion chamber (b) to drive waste from a combustion from the combustion chamber (b).
  3. The engine of any of claims 1-2, wherein the stator (4) further comprises:
    an injector (Y) in the combustion chamber (b) to inject a fuel under pressure into the combustion chamber (b) when it is a direct injection (di) engine.
  4. The engine of any of claims 1-2, wherein the stator (4) further comprises:
    an injector (Y) in the intake duct (5) to inject a fuel into the intake duct (5) when it is an indirect injection (ii) engine.
  5. The engine of any of claims 1-4, wherein the stator (4) further comprises:
    a spark plug (7) in the combustion chamber (b) to cause the combustion of the mixture when it is a spark ignition engine (SIE).
  6. The engine of any of claims 1-5, wherein the stator (4) further comprises:
    a transport duct (6) connected to the compression chamber (a) and to the combustion chamber (b) to drive:
    a compressed combustion agent when it is a direct injection (di) engine;
    a compressed fuel and combustion agent mixture when it is an indirect injection (ii) engine;
    from the compression chamber (a) to the combustion chamber (b).
  7. The engine of any of claims 2-5, wherein:
    the inner piston (1) further comprises:
    a rod (10) located in a central longitudinal axis of the pistons (1) and stator (4) configured to receive the rotary movement generated by the inner piston (1);
    the stator (4) further comprises:
    an intake valve (50) configured to open/close an inlet port where the intake duct (5) is connected to the compression chamber (a);
    an exhaust valve (80) configured to open/close an outlet port where the exhaust duct (8) is connected to the combustion chamber (b);
    a cam (B) connected to the rod (10) in order to rotate, dragged by the rod (10), the cam (B) comprising a profile configured to make contact with a rear portion of the intake (50) and exhaust (80) valves and to push the intake (50) and exhaust (80) valves between open and closed positions.
EP08380033A 2008-02-08 2008-02-08 Reciprocating rotary internal combustion engine Withdrawn EP2088283A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08380033A EP2088283A1 (en) 2008-02-08 2008-02-08 Reciprocating rotary internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08380033A EP2088283A1 (en) 2008-02-08 2008-02-08 Reciprocating rotary internal combustion engine

Publications (1)

Publication Number Publication Date
EP2088283A1 true EP2088283A1 (en) 2009-08-12

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Family Applications (1)

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EP08380033A Withdrawn EP2088283A1 (en) 2008-02-08 2008-02-08 Reciprocating rotary internal combustion engine

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EP (1) EP2088283A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3489492A1 (en) 2017-11-22 2019-05-29 Wise Motor Works, Ltd. Internal combustion engine, method of modifying an engine and method of running an engine
US10344670B2 (en) 2013-06-05 2019-07-09 Wise Motor Works, Ltd. Internal combustion engine with paired, parallel, offset pistons

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1384075A (en) * 1963-11-15 1965-01-04 Improvements to piston engines
DE1915109A1 (en) * 1969-03-25 1970-10-01 Gerd Schlautkoetter Internal combustion engine with rotating piston
US3994632A (en) * 1975-01-08 1976-11-30 Schreiber Ralph E Rotary engine and pump
JPS5865937A (en) * 1981-10-15 1983-04-19 Takumi Sugiura Reciprocating internal-combustion engine
EP0136565A2 (en) * 1983-09-01 1985-04-10 Rabbe Dr.med. Nordström Unit comprising a piston engine and a drive
JPS62129526A (en) * 1985-11-29 1987-06-11 Sohachi Noguchi Engine
WO1987003644A1 (en) * 1985-12-16 1987-06-18 Soederstroem Sten Harald A device for energy transfer
DE3831451A1 (en) * 1988-09-16 1990-04-12 Cralea Dipl Ing Mircea Internal combustion engine with irrotational pistons
DE10137614A1 (en) * 2001-08-01 2002-01-24 Christian Puchas Reciprocating piston engine without crankshaft with piston rotating in cylinder housing and executing four stroke movements during each rotation
EP1355053A1 (en) * 2002-04-19 2003-10-22 Herbert Dr. h.c. Hüttlin Rotary piston engine

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1384075A (en) * 1963-11-15 1965-01-04 Improvements to piston engines
DE1915109A1 (en) * 1969-03-25 1970-10-01 Gerd Schlautkoetter Internal combustion engine with rotating piston
US3994632A (en) * 1975-01-08 1976-11-30 Schreiber Ralph E Rotary engine and pump
JPS5865937A (en) * 1981-10-15 1983-04-19 Takumi Sugiura Reciprocating internal-combustion engine
EP0136565A2 (en) * 1983-09-01 1985-04-10 Rabbe Dr.med. Nordström Unit comprising a piston engine and a drive
JPS62129526A (en) * 1985-11-29 1987-06-11 Sohachi Noguchi Engine
WO1987003644A1 (en) * 1985-12-16 1987-06-18 Soederstroem Sten Harald A device for energy transfer
DE3831451A1 (en) * 1988-09-16 1990-04-12 Cralea Dipl Ing Mircea Internal combustion engine with irrotational pistons
DE10137614A1 (en) * 2001-08-01 2002-01-24 Christian Puchas Reciprocating piston engine without crankshaft with piston rotating in cylinder housing and executing four stroke movements during each rotation
EP1355053A1 (en) * 2002-04-19 2003-10-22 Herbert Dr. h.c. Hüttlin Rotary piston engine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10344670B2 (en) 2013-06-05 2019-07-09 Wise Motor Works, Ltd. Internal combustion engine with paired, parallel, offset pistons
US10690050B2 (en) 2013-06-05 2020-06-23 Wise Motor Works, Ltd. Internal combustion engine with paired, parallel, offset pistons
EP3489492A1 (en) 2017-11-22 2019-05-29 Wise Motor Works, Ltd. Internal combustion engine, method of modifying an engine and method of running an engine

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