EP2808505A1 - Moteur à combustion interne - Google Patents

Moteur à combustion interne Download PDF

Info

Publication number
EP2808505A1
EP2808505A1 EP13169716.1A EP13169716A EP2808505A1 EP 2808505 A1 EP2808505 A1 EP 2808505A1 EP 13169716 A EP13169716 A EP 13169716A EP 2808505 A1 EP2808505 A1 EP 2808505A1
Authority
EP
European Patent Office
Prior art keywords
cylinder head
case
nozzles
valves
passageway
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Withdrawn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
EP13169716.1A
Other languages
German (de)
English (en)
Inventor
José Marin Romero
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 EP13169716.1A priority Critical patent/EP2808505A1/fr
Publication of EP2808505A1 publication Critical patent/EP2808505A1/fr
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L5/00—Slide valve-gear or valve-arrangements
    • F01L5/02—Slide valve-gear or valve-arrangements with other than cylindrical, sleeve or part annularly shaped valves, e.g. with flat-type valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means

Definitions

  • the present invention refers to an internal combustion engine and more specifically, to those engines formed by a block, which have one or more cylindrical chambers, each of which houses a piston and in which said piston can move, the chambers being closed at the top by a cylinder head, which forms intake and exhaust nozzles and bears intake and exhaust valves.
  • the intake and exhaust valves close over seats, formed in the cylinder head itself, around the mouth of the nozzle on the surface of the cylinder head, which closes each cylinder chamber.
  • these seats must be located on the surface of the cylinder head, which closes the cylindrical chambers in such a way that the valves can be mounted from the inner surface of the cylinder head.
  • valves protrude into the cylindrical chambers, in which the pistons are accommodated, upon opening, running the risk of them coming into contact with one another in certain circumstances. Additionally, the head and shaft of the valves produce turbulence when gases pass through them.
  • the object of the present invention is to eliminate the problems set forth above by means of an internal combustion engine in which the valves are not located in such a way that they coincide with the cylinder chambers but are rather situated outside them, therefore not protruding into the chambers during operation, thus eliminating the risk of them coming into contact with the piston and gas turbulence.
  • Another object of the invention is to develop an engine of the indicated variety, formed in such a way that it is not necessary to disassemble the cylinder head in order to access the intake and exhaust valves.
  • the valves parts exist separately from the cylinder head which may be disassembled and assembled without having to disassemble, in turn, the cylinder head in the engine block.
  • a further object of the invention is to provide an engine whose cylinder head does not have seats and guides for the valves, thereby eliminating the need to manufacture such seats and guides using machines. For this reason, the valve seats are located in one of the components of the aggregate of each valve, independently of the cylinder head, wherein springs are not required either.
  • the engine, object of the invention is of the initially indicated variety, comprising a block with one or more cylindrical chambers, in each of which a piston is housed and may move.
  • the chambers are closed on one side by means of a cylinder head which forms intake and exhaust nozzles for said chambers and bears intake and exhaust valves.
  • valves are mounted on the intake and exhaust nozzles via housings, which are formed by the outer surface of the cylinder head and intersect the nozzles.
  • the valves mounted in these housings partially protrude in order to connect to a drive mechanism and may also be removed, through such housings, from the outer surface of the cylinder head.
  • the valves may be moved by means of the drive mechanism in a cross-wise direction to the nozzles between an inner position, in which they intersect and close the passage via said nozzles and an extracted position, in which they release and open the passage via the nozzle.
  • Each of the abovementioned valves comprises a case in which a movable shutter is mounted.
  • the case defines a passageway between two of its opposing walls and the shutter may be moved within the case between opening and closing positions in the aforementioned passageway.
  • the valve case is mounted tightly in the cylinder head housing, going across and intercepting the passage through the corresponding nozzle, the passageway being defined between two of its opposing walls aligned with the nozzle.
  • the shutter protrudes externally from the housing and cylinder head in a portion corresponding to a drive mechanism.
  • the case will form internal stops which serve as a means to limit the movement of the shutter between the closing and opening positions.
  • the case comprises two parallel fixed walls between which an intermediate, movable gate is tightly mounted.
  • the two parallel and fixed walls have two opposing windows and the gate can be moved in a perpendicular direction in relation to the passageway defined between said windows, between closing and opening positions of the passageway.
  • the gate as in the previous cases, protrudes externally beyond the case walls in a portion which will also protrude from the surface of the cylinder head for its connection to a drive mechanism.
  • valves are mounted onto the nozzles via the housings formed in the cylinder head from its upper surface; said valves may be removed through the same housings, without having to disassemble the cylinder head for its revision and/or replacement.
  • valves mounted on the intake nozzle and another within the exhaust nozzle; these valves may have one or two inlets, in which case they will have a bridge in the center for added valve support.
  • valves with the described formation are composed of a fixed case and a shutter or movable gate, driven by an external mechanism based on unsprung cams moved by pinions, by chain-belt, through pneumatic, hydraulic or electric mechanisms, etc.
  • valves are parts which are mounted onto the cylinder head via openings in said cylinder head, intersecting the nozzles.
  • the manufacture of the cylinder heads is simplified in the engine of the invention, since it does not require the machine manufacture of seats for the valves or guides.
  • a further advantage of the engine of the invention is that the valves can be assembled and disassembled for repair and/or replacement without having to disassemble the cylinder head of the engine. Furthermore, in the engine of the invention with the valve system described, an unlimited amount of gas may be taken in and extracted.
  • the intake and exhaust valves are characterized by not requiring seats on the cylinder heads and by not requiring guides or springs, as in the traditional valve systems.
  • Another advantage of the engine of the invention is that the opening and closing of valves may be brought forward and/or delayed, as desired, in order to achieve the best engine performance, without risk of breakage.
  • Figure 1 shows, in partial section, an internal combustion engine which includes a block (1) defining one or more cylindrical chambers (2), in each of which a piston (3) is housed.
  • the cylindrical chambers (2) are closed by a cylinder head (4), through which the intake and exhaust nozzles (5) pass, one of which is shown in figure 1 . These nozzles flow into the cylinder chamber (2).
  • a valve (7), figure 1 which intersects the passage through the nozzle (5) is mounted.
  • the valve (7) comprises a housing which includes two opposing parallel walls (8 and 9) which are spaced apart at a distance defined by the longitudinal thickenings (10) of the wall (9), forming an intermediate chamber that is closed at the top and bottom by walls (11 and 12) protruding perpendicularly from the wall (8).
  • a gate (13) is housed, with thickness and width coinciding with those of said chamber but of lesser height, which extends into a neck (14) that protrudes through a recess (15) on the top wall (11) of the case.
  • the walls (8 and 9) have two opposing windows (16 and 17).
  • the gate (13) is movable within the case defined between the walls (8 and 9) between a closed position, shown in figure 5 , in which it intersects the passageway defined between the windows (16 and 17) and an opening position in which said gate (13) is displaced above the passageway defined between the windows (16 and 17), releasing the passage between them.
  • the bottom wall (12) of the wall (8) serves as a stop for limiting the lower position of the gate (13), which closes the passageway between the windows (16 and 17).
  • the top wall (11) serves as a stop for limiting the upward movement of the gate (13) to free the passageway defined between the windows (16 and 17).
  • the housing (6) formed in the cylinder head, figure 2 will have a cross section which coincides with that of the valve case, consisting of the walls (8 and 9).
  • the passageway (6) crosses the nozzles (5) perpendicularly and exceeds them slightly, as shown in figure 2 .
  • the valve (7) is mounted in each housing (6), in such a way that the case defined between the walls (8 and 9) is fitted cross-wise in said housing and with the passageway defined by the windows (16 and 17) aligned with said nozzle (5).
  • the gate (13) when the gate (13) is in the lower limit position, it will close the passageway defined between the windows (16 and 17) and therefore the passage through the nozzle (5).
  • the gate (13) moves towards the top position, it frees or opens the passageway defined between the windows (16 and 17) and therefore also the passage through the nozzle (5).
  • valve (7) The various components that make up the valve (7) will fit with each other and to the walls of the housings (6) so as to avoid the risk of gas leakage. If necessary, fit and sealing elements may be arranged between these components in order to ensure a tight seal both between the components of the valve and between this valve and the housing walls (6).
  • valve (7) is fixed and secured within the housing (6) by external fastening elements, formed by pincers, screws, etc.
  • the various components of the valve will be made of steel.
  • the neck (14) of the gate may finish at its free end in an enlargement or head (18), through which the valves are associated with a drive mechanism of the gate (13).
  • the gate (7) may have a different formation but always including a case defining a passageway between two of its opposing walls, between which a shutter is housed, which may be moved between opening and closing positions of said passageway, the case being mounted in the housing of the cylinder head intersecting the passageway through the corresponding nozzle is located thus acting as a seal, this passageway being defined between two of its opposing walls aligned with said nozzle.
  • the engine may have one or more cylindrical chambers, closed by the cylinder head, which form the intake and exhaust nozzles.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
EP13169716.1A 2013-05-29 2013-05-29 Moteur à combustion interne Withdrawn EP2808505A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13169716.1A EP2808505A1 (fr) 2013-05-29 2013-05-29 Moteur à combustion interne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13169716.1A EP2808505A1 (fr) 2013-05-29 2013-05-29 Moteur à combustion interne

Publications (1)

Publication Number Publication Date
EP2808505A1 true EP2808505A1 (fr) 2014-12-03

Family

ID=48537826

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13169716.1A Withdrawn EP2808505A1 (fr) 2013-05-29 2013-05-29 Moteur à combustion interne

Country Status (1)

Country Link
EP (1) EP2808505A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1849614A (en) * 1928-04-09 1932-03-15 Murrell H Crimmins Compensating slide valve for internal combustion engines
FR2077911A1 (fr) * 1970-02-24 1971-11-05 Sarfati Gilbert
FR2438742A1 (fr) * 1978-10-12 1980-05-09 Lefeu Gilbert Tiroir de reglage de l'admission et de l'echappement d'un moteur a combustion interne
FR2772077A1 (fr) * 1997-12-08 1999-06-04 Bosch Gmbh Robert Moteur a combustion interne
US20090107446A1 (en) * 2007-10-31 2009-04-30 Dehaas Dennis M Apparatus for the operation of a work object
US20100006054A1 (en) * 2008-07-10 2010-01-14 Jolley Jr Jack Internal combustion engine having guillotine sliding valve
GB2465188A (en) * 2008-11-08 2010-05-12 Darren O'connor Internal combustion engine with sliding gate valves
US20100116239A1 (en) * 2008-11-07 2010-05-13 Crall Craig W Sliding valve assembly

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1849614A (en) * 1928-04-09 1932-03-15 Murrell H Crimmins Compensating slide valve for internal combustion engines
FR2077911A1 (fr) * 1970-02-24 1971-11-05 Sarfati Gilbert
FR2438742A1 (fr) * 1978-10-12 1980-05-09 Lefeu Gilbert Tiroir de reglage de l'admission et de l'echappement d'un moteur a combustion interne
FR2772077A1 (fr) * 1997-12-08 1999-06-04 Bosch Gmbh Robert Moteur a combustion interne
US20090107446A1 (en) * 2007-10-31 2009-04-30 Dehaas Dennis M Apparatus for the operation of a work object
US20100006054A1 (en) * 2008-07-10 2010-01-14 Jolley Jr Jack Internal combustion engine having guillotine sliding valve
US20100116239A1 (en) * 2008-11-07 2010-05-13 Crall Craig W Sliding valve assembly
GB2465188A (en) * 2008-11-08 2010-05-12 Darren O'connor Internal combustion engine with sliding gate valves

Similar Documents

Publication Publication Date Title
CN102678371B (zh) 包括气缸盖油道的发动机组件
US20150369120A1 (en) Discharge valve and associated device
CN109072768A (zh) 用于废气涡轮增压器的带双蜗壳涡轮机壳体和用于蜗壳连接和废气门控制的线性阀的涡轮机
US8327824B2 (en) Air-intake apparatus of internal combustion engine
EP2670957B1 (fr) Disposition de soupape de distribution de gaz et culasse
US20130014721A1 (en) Cylinder head for internal combustion engine
EP2808505A1 (fr) Moteur à combustion interne
JP5981411B2 (ja) 自動車の排ガス流動用バイパス弁
CN104712781B (zh) 气动真空插板阀
CN106801644B (zh) 用于发动机燃烧的系统和方法
US8627790B2 (en) W6-motor
CN106939808B (zh) 一种应用于低速柴油机的带液压旋阀器的排气阀装置
US2211013A (en) Valve mechanism
US4872430A (en) Valve system for reciprocating engines
US20120291744A1 (en) Sealing system for sliding sleeves for controlling gas exchange in internal combustion engines
JP2012092682A (ja) 内燃機関の排気構造
EP2860381B1 (fr) Moteur
US10196990B2 (en) Intake module of a fresh air system
KR101796561B1 (ko) 밸브의 직선 움직임을 직접 센싱하는 밸브 센서를 포함하는 egr 밸브
JP4477537B2 (ja) モノブロック型エンジン
TWI598501B (zh) 二衝程引擎
EP3135896A1 (fr) Collecteur d'admission pour moteur à combustion interne
JP2014163282A (ja) 内燃機関のシリンダヘッド構造
JP2019120194A (ja) エンジン
KR101777481B1 (ko) 인테이크 매니폴드의 ｖｃｍ 밸브 구조체

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20130529

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

R17P Request for examination filed (corrected)

Effective date: 20150602

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

17Q First examination report despatched

Effective date: 20161103

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20180130