EP1426571A2 - Zylinderschmiervorrichtung - Google Patents

Zylinderschmiervorrichtung Download PDF

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Publication number
EP1426571A2
EP1426571A2 EP03292961A EP03292961A EP1426571A2 EP 1426571 A2 EP1426571 A2 EP 1426571A2 EP 03292961 A EP03292961 A EP 03292961A EP 03292961 A EP03292961 A EP 03292961A EP 1426571 A2 EP1426571 A2 EP 1426571A2
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EP
European Patent Office
Prior art keywords
oil
lubricating apparatus
cylinder lubricating
cylinder
branched
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.)
Granted
Application number
EP03292961A
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English (en)
French (fr)
Other versions
EP1426571B1 (de
EP1426571A3 (de
Inventor
Satoru Mitsubishi Heavy Industries Ltd. Murata
Hiroyuki Mitsubishi Heavy Industries Ltd. Ishida
Sadao Mitsubishi Heavy Ind. Ltd. Yoshihara
Tetsuya Mitsubishi Heavy Ind. Ltd. Yamamoto
Teruhide Mitsubishi Heavy Ind. Ltd. Yamamishi
Etsuo Choryo Engineering Co. Ltd. Kunimoto
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.)
Mitsubishi Heavy Industries Ltd
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Mitsubishi Heavy Industries Ltd
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Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Publication of EP1426571A2 publication Critical patent/EP1426571A2/de
Publication of EP1426571A3 publication Critical patent/EP1426571A3/de
Application granted granted Critical
Publication of EP1426571B1 publication Critical patent/EP1426571B1/de
Anticipated expiration legal-status Critical
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/16—Controlling lubricant pressure or quantity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/08—Lubricating systems characterised by the provision therein of lubricant jetting means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/08—Lubricating systems characterised by the provision therein of lubricant jetting means
    • F01M2001/083—Lubricating systems characterised by the provision therein of lubricant jetting means for lubricating cylinders

Definitions

  • the present invention relates to a cylinder lubricating apparatus, which forcibly injects lubrication oil into the inside of a cylinder of an internal combustion engine.
  • a cam shaft is rotated by the power from a crank shaft of an internal combustion engine
  • a cam of the cum shaft presses one end of a rocker arm so that the rocker arm is moved rotationally in one direction
  • the one end of the rotationally moved rocker arm presses a plunger of a plunger pump against the urging force of a spring
  • the plunger forcibly feeds lubrication oil to an injector with a check valve
  • the injector injects the lubrication oil into the inside of a cylinder of the internal combustion engine.
  • the plunger together with the rocker arm is returned to its original position by the urging force of the spring.
  • the rocker arm and the plunger are held at their original positions against the urging force of the spring by a contact of the other end of the rocker arm with an oil injection amount adjusting screw at the original position.
  • the rocking range of the rocker arm can be adjusted by adjusting a moving amount of the oil injection amount adjusting screw, and, as a result of this adjustment, the amount of the injected oil controlled by a reciprocating distance of the plunger per one operation of the injector can be adjusted.
  • the conventional cylinder lubricating apparatus described in the above document is provided one for one cylinder of the large diesel engine. Therefore, a large diesel engine having a plurality of cylinders have the same number of the above-mentioned conventional cylinder lubricating apparatuses as the number of the cylinders.
  • FIG. 11 shows a schematic configuration of a conventional large diesel engine 1 having a plurality of conventional cylinder lubricating apparatuses 3 described in the above-mentioned document.
  • the conventional large diesel engine 1 having a plurality of cylinders 2 comprises the same number of above-mentioned conventional cylinder lubricating apparatuses 3 as the number of cylinders 2.
  • the plural cylinders 2 of the large diesel engine 1 are arranged linearly, and the plural cylinder lubricating apparatuses 3 are also arranged linearly and in parallel to the plural cylinders 2.
  • Cam shafts 4 of the cylinder lubricating apparatuses 3 are aligned each another.
  • the cam shafts 4 are connected by shaft couplings 6, and a part of the rotating force of a not-shown crank shaft of the large diesel engine 1 is transmitted from a not-shown exhaust valve drive cam shaft to the free end of the cam shaft 4 of the cylinder lubricating apparatus 3 located at one end of the linearly arranged cylinder lubricating apparatuses 3, through a well known power transmission means 7 like a chain or a series of gears.
  • a well known power transmission means 7 like a chain or a series of gears.
  • a reference numeral 5 denotes a part of the plurality of cams provided in each cam shaft 4, and 3a denotes a housing which houses the above described structural elements of the cylinder lubricating apparatus 3, such as the above-mentioned not-shown rocker arms, the above-mentioned not-shown plunger pumps, the above-mentioned not-shown urging means, and the above-mentioned not-shown injectors with check valves.
  • twist is likely to occur between the cam shafts 4 coupled by the shaft coupling 6. Therefore, it is difficult to adjust the operations of the cylinder lubricating apparatuses 3 so that each of the cylinder lubricating apparatuses 3 injects lubrication oil into the inside of the cylinder 2 corresponding thereto at an optimum timing responding to the movement of a not-shown piston in the corresponding cylinder 2.
  • the optimum oil injection amount changes when the load of the large diesel engine 1 changes, but it is difficult to change the oil injection amount to the optimum one in the conventional cylinder lubricating apparatus 3 using the oil injection amount adjusting screw.
  • the conventional cylinder lubricating apparatus 3 consumes inevitably more lubrication oil than the optimum oil injection amount.
  • the present invention has been derived under the above-mentioned circumstances, and an object of the present invention is to provide a cylinder lubricating apparatus which can be easily installed in a large diesel engine having a plurality of cylinders, and can easily and speedily control an oil injection amount into the large diesel engine in response to an operating situation of the diesel engine.
  • a cylinder lubricating apparatus comprises a plurality of injectors which are mounted on a cylinder of an internal combustion engine and inject lubrication oil into the inside of the cylinder, and a lubrication oil pump which forcibly feeds the lubrication oil to the injectors, the cylinder lubricating apparatus being characterized by further comprising a pressurized oil storage means which is communicated with a discharge port of the lubrication oil pump and stores the lubrication oil pressurized by the lubrication oil pump, a plurality of branched oil feeding means which are branched from the pressurized oil storage means and are connected with the plurality of injectors, a normally-closed type remote control open/close valve which is provided in each of the branched oil feeding means, and a control means which remotely controls a valve open timing and a valve open holding time of each of the remote control open/close valves.
  • FIG. 1 shows only a part of each of two cylinders 11a and 11n located at both ends of an arrangement of a plurality of cylinders 11a - 11n of a large diesel engine for a ship.
  • the cylinder lubricating apparatus 20A according to the first embodiment has a plurality of injectors 12a - 12n attached on each of the plurality of cylinders 11a - 11n of the large diesel engine for a ship.
  • the injectors 12a - 12n are arranged at predetermined positions on each of the cylinders 11a - 11n.
  • These predetermined positions are arranged with equal intervals in the circumferential direction of a not-shown cylinder liner of each cylinder at an equal height level from the bottom of the cylinder liner, for example a 1/3 height level of the total height of the cylinder liner.
  • an equal height level from the bottom of the cylinder liner for example a 1/3 height level of the total height of the cylinder liner.
  • six injectors are provided, and only three injectors 12a, 12b, and 12c out of them are shown in FIG. 1.
  • Each of the injectors may be either a check valve type (open type) or an inward-open type (closed type) capable of injecting lubrication oil at a higher speed than a lubrication oil injection speed of the check valve type. It is also permitted to mix the check valve type injectors and the inward-open type injectors.
  • the check valve type (open type) injector has an oil chamber, an injection port communicated with one end of the oil chamber, and a tapered valve seat formed on a part of the inner surface of the oil chamber at the other end of the oil chamber, in a forward end portion of a slender nozzle body.
  • An oil leading pass opened at the center of the valve seat extends toward a middle portion of the nozzle body.
  • a valve body for example a steel ball, and a coil spring for sitting the valve body on the valve seat are provided.
  • An inward-open valve type (closed type) injector of an automatically open/close system which is a kind of the inward-open valve type (closed type) injector has an oil chamber, an injection port communicated with one end of the oil chamber, and a tapered valve seat formed on a part of the inner surface of the oil chamber at the one end of the oil chamber, in a forward end portion of a slender nozzle body.
  • the nozzle body is further provided with a needle reciprocally movable in its longitudinal direction, whose one end has a tapered surface which is brought into contact with or left from the valve seat of the nozzle body and is exposed to the oil chamber.
  • the nozzle body is more further provided with a coil spring which urges the needle so that the tapered surface at its one end comes into contact with the valve seat of the nozzle body, and an oil leading pass which extends from the outside of the nozzle body to the oil chamber with keeping away from the needle.
  • Each injection port of the injectors 12a - 12n attached on each of the cylinders 11a - 11n may be either a single-port type which has only one port at its forward end, the only one port directing inward in the radius direction of each of the cylinders 11a - 11n, or a multi-port type whose forward end is branched into multiple ports inclined toward the inner circumferential surface of each of the cylinders 11a - 11n from the radius direction of each of the cylinders 11a - 11n.
  • a plurality of temperature sensors 13a - 13n (only three temperature sensors 13a - 13c are shown in FIG. 1, and the others are not shown) are provided.
  • the number of temperature sensors 13a - 13n on each cylinder is preferably the same as the number of injectors 12a - 12n on each cylinder. And, it is preferable that the temperature sensors 13a - 13n are arranged adjacent to the injectors 12a - 12n on each cylinder.
  • Each of the temperature sensors 13a - 13n outputs an electric signal (a cylinder temperature detection signal) corresponding to a temperature measured by each of them.
  • the cylinder lubricating apparatus 20 further comprises a lubrication oil pump 14 which pressurizes the lubrication oil to be fed to the injectors 12a - 12n; a pressurized oil storage means 15 which communicates with the discharge port of the lubrication oil pump 14 and stores the lubrication oil pressurized by the lubrication oil pump 14; a plurality of branched oil feeding means 16a - 16n which are branched from the pressurized oil storage means 15 and are connected with the injectors 12a - 12n mounted on each of the cylinders 11a - 11n; normally-closed type remote control open/close valves 17a - 17n which are provided in the branched oil feeding means 16a - 16n, respectively; and an electronic control means 19 which remotely controls a valve open timing and a valve open
  • a solenoid-operated switching valve which is a kind of an electro magnetically operated open/close valve is used for the remote control valve.
  • the lubrication oil pump 14 is preferably a constant volume type hydraulic pump which feeds a constant volume of pressurized lubrication oil in only one direction, and is driven by a not-shown electric motor or by a rotation force taken from the large diesel engine for a ship.
  • the pressurized oil storage means 15 includes a pipe, extends along the plurality of cylinders 11a - 11n of the large diesel engine for a ship, and is called as a common rail.
  • the pressurized oil storage means 15 holds the lubrication oil discharged from the discharge port of the lubrication oil pump 14 at a predetermined pressure.
  • a combination of the lubrication oil pump 14 and the pressurized oil storage means 15 can be arranged to correspond to each of the cylinders 11a - 11n. If the cylinders 11a - 11n are divided into several groups, the combination can also be arranged for each one of the groups.
  • a 2-port/2-position switching valve shown schematically in FIG. 2 can be preferably used as each of the solenoid-operated switching valves 17a - 17n.
  • Each of the oil amount limiters 18a - 18n has the same structure, and regulates the amount of lubrication oil fed to each of the injectors 12a - 12n.
  • FIG. 3 schematically shows the structure of the oil amount limiter 18a.
  • the oil amount limiter 18a includes a housing 31.
  • the housing 31 is provided with a first housing element 31a, a second housing element 31b, and a transparent window element 31c between the first and second housing elements 31a and 31b.
  • the first housing element 31a, the transparent window element 31c, and the second housing element 31b are aligned with each other.
  • a blind hole is formed in an end-face of the first housing element 31a located adjacent to the transparent window element 31c, and a center hole being concentric with the blind hole is formed in the transparent window element 31c.
  • An opening of the center hole located adjacent to the second housing element 31b is closed by the second housing element 31b, and the blind hole of the first housing element 31a and the center hole of the transparent window element 31c form an oil chamber 34 of the housing 31.
  • An oil inlet 35 is formed in the closed end portion of the first housing element 31a, and the oil inlet 35 connects an upstream part of the branched oil feeding means 16a located adjacent to the pressurized oil storage means 15 with the oil chamber 34.
  • the diameter of the oil inlet 35 is smaller than that of the oil chamber 34.
  • An oil outlet 36 is formed in the second housing element 31b, and the oil outlet 36 connects the oil chamber 34 to a downstream part of the branched oil feeding means 16a located adjacent to the solenoid-operated switching valve 17a.
  • the diameter of the oil outlet 36 is smaller than that of the oil chamber 34, and an opening of the oil outlet 36 in the oil chamber 34 forms as a tapered valve seat 36a.
  • a shuttle 32 is contained in the oil chamber 34 to be slidable in the longitudinal direction of the oil chamber 34.
  • the shuttle 32 is made of magnetic material such as steel, and is configured to have a stepped-cylindrical shape.
  • the shuttle 32 includes a throttle passage 37 penetrating in its longitudinal direction.
  • the throttle passage 37 has a first part 37a having the same diameter as that of the oil inlet 35, and a second part 37b communicating with the first part 37a and having the smaller diameter than that of the first part 37a.
  • the first part 37a extends from one end-face of the shuttle 32 facing the oil inlet 35 of the oil chamber 34 and having a large diameter, to the proximity of the other end-face of the shuttle 32 facing the oil outlet 36 of the oil chamber 34 and having a small diameter.
  • the second part 37b extends from the inner end of the first part 37a to the other end-face of the shuttle 32.
  • a periphery 32a of the other end-face of the shuttle 32 having the small diameter is chamfered to have a tapered surface to be brought into contact with and left from the tapered valve seat 36a at the opening of the oil outlet 36 in the oil chamber 34.
  • the oil chamber 34 further contains an urging means 33 which urges the shuttle 32 toward a first position adjacent to the oil inlet 35.
  • the urging means 33 has a coil spring wound around a small diameter part of the outer circumferential surface of the shuttle 32 located near to the second housing element 31b. Both ends of the coil spring contact the periphery of the valve seat 36a on the oil chamber side end-face of the second housing element 31b and a step 32b of the outer circumferential surface of the shuttle 32.
  • the oil amount limiter 18a is provided with a lift sensor 38 to detect a movement of the shuttle 32.
  • the lift sensor 38 is preferably a proximity type magnetic sensor.
  • the lift sensor 38 detects a change in a magnetic field caused by the movement of a shoulder 32c of a large diameter part of the shuttle 32, when the shuttle 32 leaves from a first position (a state shown in FIG. 4) adjacent to the oil inlet 35 against the urging force of the coil spring 33, and moves to a second position where the periphery 32b of the small diameter other end-face of the shuttle 32 sits on the valve seat 32a of the oil outlet 36.
  • a shuttle movement detection signal from the lift sensor 38 is inputted to the control device 19.
  • the control device 19 may be, for example, a microcomputer, and controls an operation of the lubrication oil pump 14 and the valve open timing and valve open holding time of each of the solenoid-operated switching valves 17a - 17n, based on various input data.
  • the various input data to the control device 19 includes the shuttle movement detection signal from the lift sensor 38 of each of the oil amount limiters 18a - 18n shown in FIG. 3, the cylinder temperature detection signal from each of the temperature sensors 13a - 13n shown in FIG. 1, and the crank angle signal and engine load signal from the large diesel engine for a ship.
  • the crank angle signal is detected by a crank angle detection means 39 shown in FIG. 1.
  • the crank angle detection means 39 is provided with a plurality of parts to be detected such as projections and magnets, mounted on the crank shaft of the large diesel engine for a ship so that the parts to be detected correspond to the cylinders of the engine, and a plurality of proximity switches which detect passage of the parts to be detected.
  • the crank angle detection means 39 generates a detected part detection pulse, that is the crank angle signal (refer to FIG. 3), for one or several times per one rotation of the crank shaft, and supplies the crank angle signal to the control device 19.
  • the crank angle signal is also sent to an engine load computing unit 40.
  • the engine load computing unit 40 computes a rotation speed of the crank from the crank angle signal, and also computes a load state in the large diesel engine for a ship from this rotation speed, and supplies the control device 19 with an engine load signal corresponding to the computed load state.
  • crank angle signal is sent from the crank angle detection means 39 to the control device 19 and the engine load computing unit 40.
  • the engine load computing unit 40 supplies the control device 19 with the engine load signal computed from the input crank angle signal.
  • the control device 19 is also supplied with the cylinder temperature signals from the temperature sensors 13a - 13n of each of the cylinders 11a - 11n of the large diesel engine for a ship.
  • the control device 19 excites the solenoid-operated switching valves 17a - 17n mounted on one of the cylinders 11a - 11n from which the crank angle signal is supplied, and opens these solenoid-operated switching valves 17a - 17n.
  • the valve open holding time t2 (refer to FIG. 4) to hold the solenoid-operated switching valves 17a - 17n in the valve open state is determined and controlled by the control device 19 based on the engine load signal and the cylinder temperature signals.
  • control device 19 controls the valve open timing t1 (refer to FIG. 4) and the valve open holding time t2 (refer to FIG. 4) of each of the solenoid-operated switching valves 17a - 17n of each of the cylinders 11a - 11n, based on the crank angle signal, engine load signal and cylinder temperature signals corresponding to each of the cylinders.
  • the cylinder lubricating apparatus 20A of the first embodiment can inject an appropriate amount of lubrication oil in real time to the predetermined parts of the cylinders corresponding to the injectors 12a - 12n, in accordance with the operating condition of the large diesel engine for a ship, during the operation of the large diesel engine for a ship installed with the cylinder lubricating apparatus 20A.
  • the control device 19 controls the valve open holding time t2 (refer to FIG. 4) of each of the solenoid-operated switching valves 17a - 17n of each of the cylinders 11a - 11n, in accordance with the increase and decrease of the load of the large diesel engine for a ship, which can be known from the engine load signal.
  • the amount of the lubrication oil injected by the injectors 12a - 12n corresponding to the solenoid-operated switching valves 17a - 17n into the cylinder corresponding to the injectors 12a - 12n is increased or decreased.
  • control device 19 controls the valve open holding time t2 (refer to FIG. 4) of each of the solenoid-operated switching valves 17a - 17n of each of the cylinders 11a - 11n, in accordance with the rise and fall of the cylinder temperature signal from each of the temperature sensors 13a - 13n of each of the cylinders 11a - 11n.
  • the amount of the lubrication oil injected by the injectors 12a - 12n corresponding to the solenoid-operated switching valves 17a - 17n into the cylinder corresponding to the injectors 12a - 12n is also increased or decreased.
  • each of the injectors 12a - 12n can be controlled to increase or decrease the amount of lubrication oil injected by each of the injectors 12a - 12n, in accordance with the cylinder temperature detected by one of the temperature sensors 13a - 13n located adjacent to each of the injectors 12a - 12n.
  • the pressurized lubrication oil flows from the pressurized oil storage means 15 into the oil inlet 35 of one of the oil amount limiters 18a - 18n corresponding to the one of the solenoid-operated switching valves 17a - 17n through the upstream part of one of the branched oil feeding means 16a - 16n corresponding thereto.
  • the pressurized lubrication oil flown into the oil inlet 35 is led into the throttle pass 37 of the shuttle 32, and applies the step between the first part 37a and the second part 37b in the throttle pass 37 to move the shuttle 32 from the first position (shown in FIG.
  • the throttle pass 37 of the shuttle 32 regulates the flow rate of the pressurized lubrication oil flowing from the pressurized oil storage means 15 into one of the injectors 12a - 12n through one of the solenoid-operated switching valves 17a - 17n corresponding to one of the oil amount limiters 18a - 18n. Therefore, even if one of the solenoid-operated switching valves 17a - 17n corresponding to one of the oil amount limiters 18a - 18n fails and is held in its open state, excess amount of lubrication oil will not flow into the cylinder corresponding to the failed solenoid-operated switching valve.
  • the lift sensor 38 detects the above-mentioned movement of the shuttle 32, and sends the detection signal to the control device 19.
  • the movement of the shuttle 32 can also be confirmed by visual inspection through the transparent window element 31c of the housing 31.
  • the control device 19 can know whether each of the solenoid-operated switching valves 17a - 17n operates normally as instructed by the control device 19.
  • the cylinder lubricating apparatus 20A according to the first embodiment and configured as described above is easy to install in an internal combustion engine as compared with the conventional cylinder lubricating apparatus shown in FIG. 11, and can control the valve open timing and valve open holding time of each of the injectors 12a - 12n, always exactly, and easily by the remote operation, regardless of whether the internal combustion engine corresponding to the lubricating apparatus 20A is operating or stopping.
  • a plurality of solenoid-operated switching valves 17a, - or 17n are provided in a parallel manner to each of the plurality of branched oil feeding means 16a - 16n.
  • the other configuration of the cylinder lubricating apparatus 20B according to the second embodiment excepting the above described configuration about the provision of the solenoid-operated switching valves 17a, - or 17n in the parallel manner, is the same as that of the cylinder lubricating apparatus 20A according to the first embodiment. Therefore, the cylinder lubricating apparatus 20B according to the second embodiment provides the same functions and technical advantages as those provided by the cylinder lubricating apparatus 20A according to the first embodiment.
  • the apparatus 20B can be normally operated even if one of the solenoid-operated switching vales 17a, - or 17n provided in the parallel manner fails.
  • FIG. 7 a cylinder lubricating apparatus 20C according to a third embodiment of the present invention will be explained in detail with reference to FIG. 7, FIG. 8A and FIG. 8B.
  • each solenoid-operated switching valve 17a, - or 17n is built in each injector 12a, - or 12n corresponding thereto.
  • the structures of the injectors 12a - 12n containing the solenoid-operated switching valves 17a - 17n are the same as to each other.
  • FIG. 8A shows one injector 12a as a representative of the injectors 12a - 12n containing the solenoid-operated switching valves 17a - 17n.
  • the injector 12a containing the solenoid-operated switching valve 17a shown in FIG. 8A is a pilot type which is a kind of the inward-open type (closed type) of the automatically open/close system.
  • the pilot type injector 12a includes an oil chamber 42, an injection port 43 communicated with the oil chamber 42, and a valve seat 44 provided at one end of the injection port 43 facing the oil chamber 42, in a forward end portion of a slender nozzle body 41.
  • a slender guide hole 41a extending from the oil chamber 42 to a way to a base end portion of the nozzle body 41 is formed.
  • a needle 45 is contained in the guide hole 41a so that the needle 45 can be reciprocally movable in the longitudinal direction of the guide hole 41a.
  • a forward end part 45a of the needle 45 is formed to have a tapered surface which corresponds to the valve seat 44 of the injection port 43, and the tapered forward end part 45a is exposed in the oil chamber 42.
  • a pilot passage 46 is further provided to extend along the guide hole 41a from the oil chamber 42 to the way to the base end portion of the nozzle body 41.
  • An inner end of the pilot passage 46 is communicated with a space between an inner end of the guide hole 41a and an inner end of the needle 45 in the guide hole 41a.
  • the inner end of the pilot passage 46 is further communicated with the branched oil feeding means 16a corresponding to the injector 12a.
  • a solenoid-operated switching valve 17a is build in the base end portion of the nozzle body 41, and is aligned with the guide hole 41a.
  • the solenoid-operated switching valve 17a includes an oil chamber 52 which is communicated with the inner end of the guide hole 41a through an oil outlet 51 of a small diameter and is further communicated with an oil passage 56 extending from a not-shown oil tank through a stepped oil passage 49 of a large diameter.
  • a valve body 48 is contained in the oil chamber 52 so that the valve body 48 is reciprocally movable along the longitudinal center line of the nozzle body 41 between the oil outlet 51 and the stepped oil passage 49.
  • a magnetic coil 47 surrounds the oil chamber 52 in the base end portion of the nozzle body 41, and the valve body 48 functions as an armature to be driven by the magnetic coil 47 to make the reciprocal movement thereof.
  • the operation of the magnetic coil 47 is controlled by the control device 19.
  • An oil-lead passage 48a is formed in the valve body 48a.
  • the oil-lead passage 48a extends from one end of the valve body 48a facing the oil passage 49 to a proximity of the other end thereof facing the oil outlet 51, and opens in the outer circumferential surface of the valve body 48a at the proximity of the other end thereof.
  • An urging means, a compressed coil spring in this embodiment, 50 is arranged between the one end of the valve body 48a and the step of the oil passage 49.
  • the urging force of the urging means 50 urges the valve body 48a toward the oil outlet 51 so that the one end of the valve body 48a contacts and closes the oil outlet 51.
  • a gap G is produced between the other end of the valve body 48a and one end of the oil chamber 52 which faces the other end of the valve body 48a and in which the oil passage 49 opens.
  • the valve body 48 is moved to leave from the oil outlet 51 against the urging force of the urging means 50 when the magnetic coil 47 of the solenoid-operated switching valve 17a is energized.
  • the pressurized lubrication oil from the branched oil feeding means 16a corresponding to the injector 12a flows into the oil passage 56 through the throttle 46a, the oil outlet 51, the oil chamber 52, the oil-lead passage 48a of the valve body 48, and the stepped oil passage 49.
  • the pressure difference moves the needle 45 so that the tapered forward end portion 45a of the needle 45 leaves from the tapered valve seat 44 of the injection port 43, and then the pressurized lubrication oil in the oil chamber 42 is injected into the cylinder 11a,-or 11n corresponding to the injector 12a, through the injection port 43.
  • the valve body 48 When the energizing of the magnetic coil 47 of the solenoid-operated switching valve 17a is stopped, the valve body 48 is moved by the urging force of the urging means 50 to close the oil outlet 51. As a result of this, the needle 45 in the guide hole 41a is moved back to close the injection port 43 by a difference between the pressure of the no-depressurized lubrication oil applied to the inner end of the needle 45 and the pressure of the pressurized lubrication oil applied to the tapered forward end portion 45a of the needle 45 in the oil chamber 42 while the pressurized lubrication oil is injected from the oil chamber 42 through the injection port 43 and the pressure of the pressurized lubrication oil in the oil chamber 42 is lowered.
  • the pilot type injector 12a can be operated speedily, and this is the technical advantage of the pilot type injector 12a.
  • FIG. 8B shows an inward-open type (closed type) injector 12a of a direct drive system in which an solenoid-operated switching valve 17a is build, and the injector 12a shown in FIG. 8B can be used in place of the pilot type injector 12a shown in FIG. 8A in the cylinder lubricating apparatus 20C according to the third embodiment shown in FIG. 7.
  • an oil chamber 42', an injection port 43' communicated with the oil chamber 42', and a valve seat 44' formed on an opening of the injection port 43' in the oil chamber 42' are provided in a slender nozzle body 41'.
  • a slender guide hole 41'a is formed in a middle portion of the nozzle body 41' so that the guide hole 41'a extends from the oil chamber 42' to a way to a base end portion of the nozzle body 41'.
  • a needle 55 is contained in the guide hole 41'a so that the needle 55 can be reciprocally movable in a longitudinal direction of the guide hole 41'a.
  • a forward end portion 55a of the needle 55 is formed to have a tapered surface corresponding to the tapered valve seat 44' of the injection port 43', and the tapered forward end portion 55a is exposed in the oil chamber 42'.
  • the solenoid-operated switching valve 17a is build in the middle portion of the nozzle body 41'.
  • the solenoid-operated switching valve 17a includes a magnetic coil 47' surrounding an inner end part of the guide hole 41', and the needle 55 functions as an armature to be driven by the magnetic coil 47' to make the reciprocal movement thereof.
  • the operation of the magnetic coil 47' is controlled by the control device 19.
  • An oil-lead passage 55b is formed in the needle 55.
  • the oil-lead passage 55b extends from the forward end portion 55a of the needle 55 exposed in the oil chamber 42' to a base end of the needle 55 facing an inner end of the guide hole 41'a.
  • a stepped oil inlet 49' communicating with the branched oil feeding means 16a corresponding to the injector 12a is formed in a base end portion of the nozzle body 41', and the oil inlet 49' opens in the inner end of the guide hole 41'a.
  • An urging means, a compressed coil spring in this embodiment, 50' is arranged between the base end of the needle 55 and the step in the oil inlet 49'.
  • the urging force of the urging means 50' urges the needle 55 toward the injection port 43' so that the tapered forward end portion 55a of the needle 55 contacts the valve seat 44' of the injection port 43' and closes the injection port 43'.
  • a gap G is produced between the base end of the needle 55 and the inner end of the guide hole 41'.
  • the needle 55 is moved to leave from the valve seat 44' of the injection port 43' against the urging force of the urging means 50' when the magnetic coil 47' of the solenoid-operated switching valve 17a is energized.
  • the pressurized lubrication oil from the branched oil feeding means 16a corresponding to the injector 12a is injected from the injection port 43' through the oil inlet 49', the oil leading passage 56b of the needle 55, and the oil chamber 42'.
  • the needle 55 is moved by the urging force of the urging means 50' to make the tapered forward end portion 55a of the needle 55 contact the valve seat 44' of the injection port 43' as shown in FIG. 8B and close the injection port 43'.
  • the injector 12a of the direct drive system configured as described above, can be operated more speedily in comparison with the check-valve type injector 12a as described above, but its operation speed is lower than that of the pilot type injector 12a as described above.
  • a structure of the injector 12a of the direct drive system is more simple than that of the pilot type injector 12a, and its manufacturing cost is lower than that of the pilot type injector 12a.
  • the other configuration of the cylinder lubricating apparatus 20C according to the third embodiment excepting the above described configuration about the solenoid-operated switching valves 17a - 17n build in the injectors 12a - 12n, is the same as that of the cylinder lubricating apparatus 20A according to the first embodiment. Therefore, the cylinder lubricating apparatus 20C according to the third embodiment provides the same functions and technical advantages as those provided by the cylinder lubricating apparatus 20A according to the first embodiment.
  • the solenoid valves 17a - 17n are build in the injectors 12a - 12n corresponding to the solenoid valves 17a - 17n, a time difference produced between the operation of each of the solenoid valves 17a - 17n and that of the injectors 12a - 12n corresponding to each of the solenoid valves 17a - 17n by a passage resistance generated while the lubrication oil flows from each of the solenoid valves 17a - 17n to each of the injectors 12a - 12n corresponding thereto and by a viscosity resistance of the lubrication oil, is shortened, in comparison with the cylinder lubricating apparatus 20A according to the first embodiment in which the solenoid valves 17a - 17n are not build in the injectors 12a - 12n corresponding to the solenoid valves 17a - 17n.
  • a responsibility of a cylinder lubrication operation of the cylinder lubricating apparatus 20C according to the third embodiment is superior to that of the cylinder lubricating apparatus 20A according to the first embodiment, and that the cylinder lubricating apparatus 20C according to the third embodiment can control the cylinder lubrication operation more precisely than the cylinder lubricating apparatus 20A according to the first embodiment.
  • each of a plurality of branched oil feeding means 16 for a plurality of injectors 12a - 12n includes one upstream-side branched oil feeding pipe UBP for communicating a pressurized oil storage means 15 with a solenoid-operated switching valve 17 corresponding to each of the plurality of branched oil feeding means 16, and a plurality of downstream-side branched oil feeding pipes LBP for communicating the corresponding solenoid-operated switching valve 17 with the plurality of injectors 12a - 12n corresponding thereto.
  • two branched oil feeding means 16 are provided to each of a plurality of cylinders 11a - 11n.
  • a half of a plurality of injectors 12a - 12n (six injectors are shown in FIG. 9) attached on each of the cylinders 11a - 11n are connected with a half of the downstream-side branched oil feeding pipes LBP branched from one upstream-side branched oil feeding pipe UBP of one branched oil feeding means 16 at the solenoid-operated switching valve 17, and another half of the plurality of injectors 12a - 12n (six injectors are shown in FIG. 9) are connected with another half of the downstream-side branched oil feeding pipes LBP branched from the other upstream-side branched oil feeding pipe UBP of the other branched oil feeding means 16 at the solenoid-operated switching valve 17.
  • An oil amount limiter 18 is provided in each of the upstream-side branched oil feeding pipes UBP of the branched oil feeding means 16.
  • a structure of the solenoid-operated switching valve 17 and that of the oil amount limiter 18, which are used in this embodiment, are the same as that of each solenoid-operated switching valve 17a, - or 17n and that of each oil amount limiter 18a, - or 18n, which are used in the cylinder lubricating apparatus 20A of the first embodiment described above.
  • the other configuration of the cylinder lubricating apparatus 20D according to the fourth embodiment, excepting the above described configuration about the branched oil feeding means 16, is the same as that of the cylinder lubricating apparatus 20A according to the first embodiment.
  • the cylinder lubricating apparatus 20D according to the fourth embodiment operates the same number of injectors 12a - 12n as that of the injectors 12a - 12n used in the first embodiment by a fewer solenoid-operated switching valves 17 and a fewer oil amount limiter 18 than those used in the first embodiment, a manufacturing cost of the cylinder lubricating apparatus 20D is cheaper than that of the cylinder lubricating apparatus 20A. But, the cylinder lubricating apparatus 20D according to the fourth embodiment can not so precisely control an oil injection amount as the cylinder lubricating apparatus 20A according to the first embodiment can control the oil injection amount.
  • the cylinder lubricating apparatus 20D according to the fourth embodiment is easy to install in an internal combustion engine as compared with the conventional cylinder lubricating apparatus 3 described above with reference to FIG. 11, and can control the valve open timing and valve open holding time of each of the injectors 12a - 12n, always exactly, and easily by the remote operation, regardless of whether the internal combustion engine corresponding to the lubricating apparatus 20D is operating or stopping.
  • the cylinder lubricating apparatus 20E according to the fifth embodiment and shown in FIG. 10 is different from the cylinder lubricating apparatus 20D according to the fourth embodiment and described above with reference to FIG. 9 in a following configuration.
  • throttles 61 and 62 are provided in a plurality of downstream-side branched oil feeding pipes LBP excepting the longest one. These throttles 61 and 62 function to make a pressure loss of each of the downstream-side branched oil feeding pipes LBP excepting the longest one between a solenoid-operated switching valve 17 corresponding to the downstream-side branched oil feeding pipes LBP and the injectors 12a - 12c, or 12d - 12n corresponding thereto, equal substantially to that of the longest downstream-side branched oil feeding pipe LBP.
  • one branched oil feeding means 16 includes three downstream-side branched oil feeding pipes LBP as shown in FIG. 10, one 62 of two throttles 61 and 62 provided in the shortest one of two downstream-side branched oil feeding pipes LBP excepting the longest one in the three downstream-side branched oil feeding pipes LBP extending from the solenoid-operated switching valve 17 corresponding to the downstream-side branched oil feeding pipes LBP and the injectors 12a - 12c, or 12d - 12n corresponding thereto, is smaller in a cross sectional area than that another throttle 61 provided in the secondary short one of the two downstream-side branched oil feeding pipes LBP excepting the longest one.
  • the cylinder lubricating apparatus 20E according to the fifth embodiment and configured as described above can inevitably provide the same functions and technical advantages as those provided by the cylinder lubricating apparatus 20D according to the fourth embodiment and described above with reference to FIG. 9.
  • the cylinder lubricating apparatus 20D according to the fourth embodiment and described above with reference to FIG. 9 in comparison with the cylinder lubricating apparatus 20D according to the fourth embodiment and described above with reference to FIG.
  • the cylinder lubricating apparatus 20E of the fifth embodiment can make each of the plurality of injectors 12a - 12c or 12d - 12n corresponding to one branched oil feeding means 16 inject an equal amount of lubrication oil to each other by one solenoid-operated switching valve 17 corresponding to the one branched oil feeding means 16.
  • the oil amount limiters 18 or 18a - 18n can be omitted.
  • these can be provided in not only upstream sides of the branched oil feeding means 16 or 16a - 16n with respect to the solenoid-operated switching valve 17 or 17a - 17n but also downstream sides of the branched oil feeding means 16 or 16a - 16n with respect to the solenoid-operated switching valve 17 or 17a - 17n.
  • a valve body lift sensor or a needle lift sensor can be provided in each of the injectors 12a - 12n so that the lift sensor detects a lift distance of a valve body or needle and generates a signal being useful to inspect an oil injection operation of each of the injectors 12a - 12n and to control the oil injection operation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
EP03292961A 2002-11-28 2003-11-28 Zylinderschmiervorrichtung Expired - Lifetime EP1426571B1 (de)

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JP2002345788A JP3806398B2 (ja) 2002-11-28 2002-11-28 シリンダ注油装置
JP2002345788 2002-11-28

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EP1426571A2 true EP1426571A2 (de) 2004-06-09
EP1426571A3 EP1426571A3 (de) 2005-09-28
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JP (1) JP3806398B2 (de)
KR (1) KR100583608B1 (de)
CN (1) CN100339568C (de)
DE (1) DE60311628T2 (de)
DK (1) DK1426571T3 (de)

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EP1767751A1 (de) * 2005-09-23 2007-03-28 Wärtsilä Schweiz AG Zylinderschmiersystem für eine Hubkolbenbrennkraftmaschine
WO2008009291A1 (en) * 2006-07-21 2008-01-24 Hans Jensen Lubricators A/S Lubricating apparatus for a dosing system for cylinder lubrication oil and method for dosing cylinder lubricating oil
WO2011110181A1 (en) 2010-03-12 2011-09-15 Hans Jensen Lubricators A/S Valve arrangement for dosing a fluid
WO2011116768A1 (en) 2010-03-12 2011-09-29 Hans Jensen Lubricators A/S Dosing system for lubricating oil for large diesel engines and method for dosing cylinder lubricating oil to large diesel engine cylinders
EP2395208A1 (de) * 2010-06-11 2011-12-14 Wärtsilä Schweiz AG Grossmotor mit einer Zylinderschmiervorrichtung und Verfahren zur Schmierung eines Zylinders eines Grossmotors
WO2012126473A2 (en) 2011-03-18 2012-09-27 Hans Jensen Lubricators A/S Dosing of cylinder lubricating oil into large cylinders
WO2012126480A1 (en) 2011-03-22 2012-09-27 Hans Jensen Lubricators A/S Injection of cylinder lubricating oil into diesel engine cylinders
EP2677129A1 (de) * 2009-06-23 2013-12-25 Hans Jensen Lubricators A/S Schmierung von Zylindern von großen Dieselmotoren, wie etwa Schiffsmotoren
RU2634504C1 (ru) * 2017-01-10 2017-10-31 Анатолий Александрович Рыбаков Способ смазки пары трения поршень-цилиндр двухтактного двигателя с внешней камерой сгорания
DK179182B1 (en) * 2016-08-05 2018-01-15 Hans Jensen Lubricators As Safety system for lubrication of the cylinder of a large slow-running internal combustion engine and a large slow-running two-stroke internal combustion engine
CN108343830A (zh) * 2018-03-31 2018-07-31 上汽通用五菱汽车股份有限公司 发动机缸孔润滑装置
WO2019114904A1 (en) 2017-12-13 2019-06-20 Hans Jensen Lubricators A/S Large slow-running two-stroke engine and method of lubricating such engine, as well as an injector with an electric pumping system for such engine and method
WO2019114903A1 (en) 2017-12-13 2019-06-20 Hans Jensen Lubricators A/S Large slow-running two-stroke engine and method of lubricating such engine, as well as an injector for such engine and method and a valve system and use thereof
EP3433473A4 (de) * 2016-03-23 2019-12-18 Hans Jensen Lubricators A/S Verfahren und system zur dosierung von schmieröl in zylindern, vorzugsweise in zweitakt-dieselmotoren, sowie verwendung solch eines verfahrens und systems
AT524449A1 (de) * 2021-03-26 2022-04-15 Avl List Gmbh Brennkraftmaschine mit Ölbedarfsstellen

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DK176742B1 (da) * 2004-06-30 2009-06-02 Hans Jensen Lubricators As Fremgangsmåde og apparat til smöring af cylinderfladerne i store dieselmotorer
DK177024B1 (da) * 2005-02-25 2011-01-31 Hans Jensen Lubricators As Fremgangsmåde og apparat til smøring af cylinderfladerne i store dieselmotorer
DK176934B1 (da) * 2007-05-18 2010-05-31 Hans Jensen Lubricators As Smøreapparat samt fremgangsmåde til dosering af cylindersmøreolie
CN101435354B (zh) * 2007-11-15 2010-12-29 中国船舶重工集团公司第七一一研究所 内燃机气缸润滑注油装置
KR20090089789A (ko) * 2008-02-19 2009-08-24 베르트질레 슈바이츠 악티엔게젤샤프트 실린더 윤활용 장치
JP4970367B2 (ja) * 2008-07-02 2012-07-04 川崎重工業株式会社 舶用機関注油装置
CN102734131A (zh) * 2011-04-11 2012-10-17 天津市七星精密机械有限公司 高压压缩机全自动注油系统
CN102322309A (zh) * 2011-09-27 2012-01-18 上海北星实业有限公司 一种引擎上的曲轴润滑方法及装置
CN102644837A (zh) * 2012-04-26 2012-08-22 天津市金昌海科工贸有限公司 无缝钢管热轧生产线齿条喷脂润滑系统
KR101506313B1 (ko) * 2012-05-15 2015-03-26 맨 디젤 앤드 터보 필리얼 아프 맨 디젤 앤드 터보 에스이 티스크랜드 실린더 윤활 장치
CN103527282B (zh) * 2012-07-04 2017-06-30 瓦锡兰瑞士公司 润滑系统、润滑剂注入元件、内燃发动机以及润滑方法
DE102013101289B4 (de) * 2013-02-08 2016-06-09 Hilite Germany Gmbh Schaltventilanordnung für eine Kolbenkühlung
JP6185317B2 (ja) * 2013-07-19 2017-08-23 三菱重工業株式会社 シリンダ注油装置
CN103485918B (zh) * 2013-09-30 2016-03-16 庄景阳 活塞同步控制润滑孔的控制装置
CN105257362A (zh) * 2015-10-30 2016-01-20 中船动力研究院有限公司 一种共轨式气缸注油润滑系统
AT518991B1 (de) * 2016-08-25 2018-03-15 Hoerbiger Kompressortech Hold Schmiermittelsystem für Kolbenmaschinen
EP3404224A1 (de) * 2017-05-19 2018-11-21 Winterthur Gas & Diesel AG Schmiervorrichtung für einen grossdieselmotor, verfahren zur zylinderschmierung eines grossdieselmotors, sowie grossdieselmotor
DK179484B1 (en) * 2017-05-26 2018-12-17 Hans Jensen Lubricators A/S Method for lubricating large two-stroke engines using controlled cavitation in the injector nozzle

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EP1767751A1 (de) * 2005-09-23 2007-03-28 Wärtsilä Schweiz AG Zylinderschmiersystem für eine Hubkolbenbrennkraftmaschine
KR101256399B1 (ko) * 2005-09-23 2013-04-25 베르트질레 슈바이츠 악티엔게젤샤프트 왕복동 피스톤 연소 엔진용 실린더 윤활 시스템
WO2008009291A1 (en) * 2006-07-21 2008-01-24 Hans Jensen Lubricators A/S Lubricating apparatus for a dosing system for cylinder lubrication oil and method for dosing cylinder lubricating oil
RU2451796C2 (ru) * 2006-07-21 2012-05-27 Ханс Йенсен Лубрикаторс А/С Смазочное устройство для системы дозирования цилиндрового смазочного масла и способ дозирования этого масла
US8210317B2 (en) 2006-07-21 2012-07-03 Hans Jensen Lubricators A/S Lubricating apparatus for a dosing system for cylinder lubrication oil and method for dosing cylinder lubricating oil
KR101396610B1 (ko) * 2006-07-21 2014-05-16 한스 옌젠 루브리케이터스 에이/에스 실린더 윤활유 공급 시스템용 윤활장치와 실린더 윤활유 공급방법
EP2677129A1 (de) * 2009-06-23 2013-12-25 Hans Jensen Lubricators A/S Schmierung von Zylindern von großen Dieselmotoren, wie etwa Schiffsmotoren
US8813714B2 (en) 2009-06-23 2014-08-26 Hans Jensen Lubricators A/S Lubrication of cylinders of large diesel engines, such as marine engines
WO2011110181A1 (en) 2010-03-12 2011-09-15 Hans Jensen Lubricators A/S Valve arrangement for dosing a fluid
WO2011116768A1 (en) 2010-03-12 2011-09-29 Hans Jensen Lubricators A/S Dosing system for lubricating oil for large diesel engines and method for dosing cylinder lubricating oil to large diesel engine cylinders
EP2395208A1 (de) * 2010-06-11 2011-12-14 Wärtsilä Schweiz AG Grossmotor mit einer Zylinderschmiervorrichtung und Verfahren zur Schmierung eines Zylinders eines Grossmotors
WO2012126473A2 (en) 2011-03-18 2012-09-27 Hans Jensen Lubricators A/S Dosing of cylinder lubricating oil into large cylinders
RU2638142C2 (ru) * 2011-03-18 2017-12-11 Ханс Йенсен Лубрикейторс А/С Система и способ дозирования смазочного масла для цилиндров в цилиндры больших дизельных двигателей
EP3434872A1 (de) 2011-03-18 2019-01-30 Hans Jensen Lubricators A/S Dosierung von zylinderschmieröl bei grossen zylindern
WO2012126480A1 (en) 2011-03-22 2012-09-27 Hans Jensen Lubricators A/S Injection of cylinder lubricating oil into diesel engine cylinders
EP3433473A4 (de) * 2016-03-23 2019-12-18 Hans Jensen Lubricators A/S Verfahren und system zur dosierung von schmieröl in zylindern, vorzugsweise in zweitakt-dieselmotoren, sowie verwendung solch eines verfahrens und systems
DK201670585A1 (en) * 2016-08-05 2018-01-15 Hans Jensen Lubricators As Safety system for lubrication of the cylinder of a large slow-running internal combustion engine and a large slow-running two-stroke internal combustion engine
DK179182B1 (en) * 2016-08-05 2018-01-15 Hans Jensen Lubricators As Safety system for lubrication of the cylinder of a large slow-running internal combustion engine and a large slow-running two-stroke internal combustion engine
RU2634504C1 (ru) * 2017-01-10 2017-10-31 Анатолий Александрович Рыбаков Способ смазки пары трения поршень-цилиндр двухтактного двигателя с внешней камерой сгорания
CN111512026A (zh) * 2017-12-13 2020-08-07 汉斯延森注油器公司 大型低速二冲程发动机及其润滑方法和用于该发动机及方法的设有电泵系统的喷射器
WO2019114903A1 (en) 2017-12-13 2019-06-20 Hans Jensen Lubricators A/S Large slow-running two-stroke engine and method of lubricating such engine, as well as an injector for such engine and method and a valve system and use thereof
WO2019114904A1 (en) 2017-12-13 2019-06-20 Hans Jensen Lubricators A/S Large slow-running two-stroke engine and method of lubricating such engine, as well as an injector with an electric pumping system for such engine and method
CN111492124A (zh) * 2017-12-13 2020-08-04 汉斯延森注油器公司 大型低速二冲程发动机及其润滑方法、用于这种发动机和方法的喷射器及阀系统及其应用
KR20200096291A (ko) 2017-12-13 2020-08-11 한스 옌젠 루브리케이터스 에이/에스 대형 저속 동작 2 행정 엔진 및 그 엔진을 윤활하는 방법, 그 엔진 및 방법을 위한 윤활제 인젝터 및 그 사용방법
KR20200096304A (ko) 2017-12-13 2020-08-11 한스 옌젠 루브리케이터스 에이/에스 대형 저속 동작 2 행정 엔진의 윤활을 위한 밸브 시스템 및 그 사용방법
EP3724466A4 (de) * 2017-12-13 2021-08-25 Hans Jensen Lubricators A/S Grosser langsam laufender zweitaktmotor und verfahren zur schmierung eines solchen motors sowie eine einspritzdüse mit einem elektrischen pumpsystem für einen solchen motor und verfahren
EP3724463A4 (de) * 2017-12-13 2021-09-08 Hans Jensen Lubricators A/S Grosser, langsam laufender zweitaktmotor und verfahren zum schmieren eines solchen motors, injektor für einen solchen motor sowie verfahren und ventilsystem und dessen verwendung
EP3910169A1 (de) 2017-12-13 2021-11-17 Hans Jensen Lubricators A/S Ventilsystem und verwendung davon
CN111492124B (zh) * 2017-12-13 2022-06-24 汉斯延森注油器公司 大型低速二冲程发动机及其润滑方法、用于这种发动机和方法的喷射器及阀系统及其应用
CN108343830A (zh) * 2018-03-31 2018-07-31 上汽通用五菱汽车股份有限公司 发动机缸孔润滑装置
CN108343830B (zh) * 2018-03-31 2024-05-28 上汽通用五菱汽车股份有限公司 发动机缸孔润滑装置
AT524449A1 (de) * 2021-03-26 2022-04-15 Avl List Gmbh Brennkraftmaschine mit Ölbedarfsstellen

Also Published As

Publication number Publication date
EP1426571B1 (de) 2007-02-07
CN1504670A (zh) 2004-06-16
DK1426571T3 (da) 2007-05-21
EP1426571A3 (de) 2005-09-28
DE60311628T2 (de) 2007-06-21
DE60311628D1 (de) 2007-03-22
KR100583608B1 (ko) 2006-05-26
CN100339568C (zh) 2007-09-26
JP2004176660A (ja) 2004-06-24
JP3806398B2 (ja) 2006-08-09
KR20040047560A (ko) 2004-06-05

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