CN1944966B - Cylinder lubricating device for an reciprocating piston combustion engine - Google Patents

Cylinder lubricating device for an reciprocating piston combustion engine Download PDF

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Publication number
CN1944966B
CN1944966B CN2006101395259A CN200610139525A CN1944966B CN 1944966 B CN1944966 B CN 1944966B CN 2006101395259 A CN2006101395259 A CN 2006101395259A CN 200610139525 A CN200610139525 A CN 200610139525A CN 1944966 B CN1944966 B CN 1944966B
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CN
China
Prior art keywords
cylinder
oiling agent
lubricating
lubricating oil
control system
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.)
Expired - Fee Related
Application number
CN2006101395259A
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Chinese (zh)
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CN1944966A (en
Inventor
S·阿施万登
D·施米德
P·斯蒂芬霍菲
N·M·维杰拉特纳
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Wartsila NSD Schweiz AG
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Wartsila NSD Schweiz AG
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Publication of CN1944966A publication Critical patent/CN1944966A/en
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Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00Pressure lubrication
    • F01M1/06Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00Pressure lubrication
    • F01M1/16Controlling lubricant pressure or quantity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00Pressure lubrication
    • F01M1/02Pressure lubrication using lubricating pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00Pressure lubrication
    • F01M1/08Lubricating systems characterised by the provision therein of lubricant jetting means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00Pressure lubrication
    • F01M1/14Timed lubrication
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M9/00Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00

Abstract

A lubricating system for a plurality of cylinders (8) of the reciprocating piston combustion engine is operated to add lubricating oil on a piston travel surface (80) in the cylinder with using a plurality of lubricating oil nozzles (7). The lubricating oil is measured by using a pump and is sent to the lubricating oil nozzle in a pulse shape. A driving part of the lubricating oil pump is attached to an oil carrier pipe (16) and each cylinder is accompanied with a lubricating module (1) provided with the lubricating oil pump. The lubricating oil pump forms a mechanically stable base body (2) and establishes integration of various elements (3, 4, 5). These elements are: a) local control unit (3), b) a pressure sensor (4) arranged between the lubricating oil pump and the lubricating oil nozzles for monitoring the interrupting and continuing pumping of the lubricating oil, c) a control valve (5) for the oil, and d) elements for further selection, such as pressure reservoir. Two connecting points (6a, 6b) for the oil carrier pipe are provided on the base body.

Description

The cylinder lubricating system that is used for reciprocating piston combustion engine
Technical field
The present invention relates to be used for the cylinder lubricating system of reciprocating piston combustion engine, and relate to reciprocating piston combustion engine with such lubrication system.The invention still further relates to employing cylinder lubricating system according to the present invention to be used for the method on lube pistons operation surface.
Background technique
Known a kind of device that is used for lubricated reciprocating piston combustion engine cylinder from CH-A-673506 (=P.6140).Disclose a kind of pump, adopted this pump to make and be also referred to as oiling agent cylinder oil and sprayed into intermittently among the cylinder.EP-A-1350929 (=P.7190) has described has further developing of specially designed oiling agent nozzle.Adopt this nozzle to make that oiling agent can be as in the fan-shaped zone that is distributed in the broad on the piston face, and can not atomize it.
Summary of the invention
The objective of the invention is to produce a kind of further cylinder lubricating system, it can improve on cost and aspect the replacing of the assembling of system and trouble unit.
For this reason, the invention provides a kind of cylinder lubricating system, it is used at reciprocating piston combustion engine, especially have in a plurality of cylinders in the longitudinally scavenged two-stroke large diesel engine, on the piston operation surface that oiling agent is applied to cylinder, each cylinder all has a plurality of oiling agent nozzles, wherein oiling agent adopts the lubricating pump of interrupted pumping to supply in the oiling agent nozzle with metering form and pulse shape, and the driver part of lubricating pump connects on the transport pipe, just carry the pipe of servo oil or cylinder oil, double wall pipe particularly, it is characterized in that, lubricated module with lubricating pump links to each other with each cylinder, lubricating pump has formed the matrix of mechanically stable, can set up the integrated of different elements by this matrix, these elements are: a) local control unit, b) be used to monitor the pressure transducer of the interrupted pumping of oiling agent, c) be used for this oily control valve, and d) further selectable element, accumulator for example, two connector points that wherein are used for transport pipe are provided at matrix, the passage with T-branch that is used for this oil is integrated on the matrix and this passage connects described connector point, this branch has set up the connection on the driver part of lubricating pump simultaneously, and this pump can be closed and can be controlled by valve.
The cylinder lubricating system that is used for a plurality of cylinders of reciprocating piston combustion engine, it can be used for the oiling agent of cylinder is moved the surface by a plurality of oiling agent nozzle application in each cylinder to piston.Oiling agent can measure by the lubricating pump of interrupted pumping, and supplies in the oiling agent nozzle with pulse shape.The driver part of lubricating pump is connected on the pipe that oil is housed.Oiling agent module with lubricating pump links to each other with each cylinder.Lubricating pump has formed the matrix of mechanically stable, can set up the integrated of different elements by this matrix.These elements are: a) local control unit, b) be arranged on pressure transducer between lubricating pump and the oiling agent nozzle, it is used to monitor the interrupted supply of oiling agent, c) is used for this oily control valve, and d) further selectable element, for example accumulator.Two tie points that are used for transport pipe are located at matrix.The passage with T-branch that is used for oiling agent is integrated in matrix.This passage connects described tie point, and this branch has set up the connection on the driver part of lubricating pump simultaneously, and this pump can be closed under the control of valve.
The invention provides the further preferred embodiment of cylinder lubricating system, also relate to reciprocating piston combustion engine and adopt cylinder lubricating system according to the present invention and be used for the method on lubricated cylinder operation surface.
The present invention will be further explained under the help of accompanying drawing below.They partly show the schematic representation of extremely simplifying.
Description of drawings
Fig. 1 shows known oiling agent nozzle, and it is installed in the cylinder wall,
Fig. 2 shows the lubricated module according to the decomposition of cylinder lubricating system of the present invention,
Fig. 3 shows after parts assemblings, according to the lubricated module of Fig. 2 and
Fig. 4 shows the circuit diagram according to the signal of cylinder lubricating system of the present invention.
Embodiment
Cylinder lubricating system is used for being applied to oiling agent (perhaps cylinder oil) among the cylinder 8 and piston operation surface 80, by being used in all cases, especially have a plurality of oiling agent nozzles 7 in a plurality of cylinders 8 in the longitudinally scavenged two-stroke large diesel engine at reciprocating piston combustion engine.Oiling agent nozzle 7 shown in the part is described in the EP-A-1350929 that mentions when this specification begins in Fig. 1.Oiling agent also can be applied to by the nozzle of other type on the piston operation surface 80, and for example its release lubricant is with the droplet form, rather than with fan-shaped form.
Except the oiling agent nozzle, this lubrication system comprises batching unit and control gear (not illustrating at this).Batching unit is the lubricating pump of interrupted pumping, is measured and supplies in the oiling agent nozzle with pulse shape by this pump lubrication agent.The driver part of lubricating pump is connected on the pipe of carrying servo oil or cylinder oil.This transport pipe can be solid wall or dual-layer wall.Embodiment with double wall pipe and servo oil will be described below.But this description content remains extensive use, just, if transport pipe is solid wall and adopts cylinder oil (in other words oiling agent) to be used to substitute servo oil to have corresponding applicability in this case.This driver part comprises pressure transmitter and a device, adopts the oiling agent of this device pumping will be assigned to equably in the single supply pipeline 12, thus and the single oiling agent nozzle by corresponding cylinder 8.
Servo oil is hydraulic pressure work done medium, and it is being transferred in the center tube such as double wall pipe under pressure of 50bar.For the monitoring of the leakage of center tube, can utilize the annular space of the sky between center tube and sleeve pipe.
Under any circumstance rely on batching unit and pass through independent supply pipeline 12, oiling agent is fed in the oiling agent nozzle 7.Implement the supply of oiling agent under working pressure, the operation of itself and reciprocating piston combustion engine is complementary.This supply process can be implemented according to definite plan; Perhaps this process can be adjusted according to a plurality of Operational Limitss, and for example rotating speed is loaded temperature cylinder, the thickness of the lubricant film in cylinder 8 or other Operational Limits.Described embodiment's oiling agent nozzle 7 has valve 72, is known spring load valve 72 patterns.In this device, valve 72 can be adjusted, make and spontaneously open under the working pressure effect of the oiling agent that it can exist in supply pipeline 12, thereby make oiling agent from supply pipeline 12, flow out to pulsedly in the oiling agent nozzle, and be discharged to as fan-shaped on the piston operation surface 80 (perhaps for example from different burner designs, discharging) with the droplet form by exporting 73.Valve 72 can also be as safety check, and it can prevent because the backflow of the oiling agent that the overvoltage on the cylinder side causes.Safety check can also be arranged between lubricating pump and the supply pipeline 12, and especially with form of nozzle, they self do not possess the function of safety check.
Except already mentioned Operational Limits, for example quality of oiling agent and/or quality of fuel, perhaps other riding material not only can influence the time that oiling agent supplies with and can influence the quantity that oiling agent is supplied with.This Operational Limits can be read by the sensor that does not illustrate, and supplies in the control gear by datawire, and it is a freely programmable, thereby makes that measuring apparatus can controlled accordingly or adjusting.
In lubrication system according to the present invention, lubricated module relevant with lubricating pump (comprising dispensing device).In this set, lubricating pump is used as the matrix of mechanically stable, can set up the integrated of different elements by this matrix.This will make an explanation under the help of Fig. 2 and 3.Fig. 2 has gone out the oiling agent module 1 ' of decomposing, and part is described element in the parts of this module 1 '.These elements are
A) local control unit 3,
B) pressure transducer 4, and it is arranged between lubricating pump and the oiling agent nozzle 7, are used to monitor the interrupted supply of oiling agent,
C) be used for this oil controlled valve 5 and
D) further selectable, the element that do not illustrate, for example accumulator.
Fig. 3 shows lubricated module 1 after parts or element 3,4,5 assemblings.In this set, pressure transducer 4 be arranged in the groove 24 and control valve 5 in groove 25 (see figure 2)s.Described element 3,4,5 has different functions, thereby makes that the combination of function can present by they integrated in oiling agent module 1 and T-branch integrated that be used for servo oil.Because the combination of this function can be saved the needs in cost and space.This device can also be simplified.Under situation about breaking down, the oiling agent module can simply be replaced by the module 1 of complete (new or fix).Can quicken repair procedures like this, and further reduce cost.
Include the lubricating pump that does not illustrate in matrix 2, this matrix 2 has two tie point 6a and the 6b that is used for servo oil.The center tube 161 of double wall pipe 16 (having sleeve pipe 162) is connected on these tie points at pipe end 60 places of matrix, for example by being threaded.The flange 163 of sleeve pipe 162 ends is threaded onto on the matrix 2.The passage 61 with T-branch and branch 62 that is used for servo oil is integrated in the inside of matrix 2.This passage 61 is connected on tie point 6a and the 6b, and simultaneously branch 62 has set up the connection on the driver part of lubricating pump, and this lubricating pump can controllably be closed by valve 5.Because this passage 61 has branch 62, therefore do not need T shape pipe in the externally servo oil-piping (leading to " track "), and this is required in the known lubrication system.Because this solution, required flange linking number reduces to 2 from 4, and expression has caused significant cost decline like this.Double-head arrow in Fig. 3 represents that servo oil can flow on both direction.
Each local control unit 3 has formed the intelligent node of higher level control system 100, and this will make an explanation under the help of Fig. 4.Fig. 4 shows the circuit diagram according to lubrication system of the present invention, wherein shows the only part of whole system.Illustrated part comprises such as two in four cylinders 8.Two pieces 70 have been represented the lubricated of cylinder 8.
This higher level control system 100 comprises at least one overall controll block 10, is used for supply lines 102 and at least one Field bus 101 of power demand, especially a CAN bus.The local control unit 3 of module 1 is connected on supply lines 102 (connecting line 21,22) and the Field bus (connecting line 31,32).Field bus has produced a connection on the higher level control system 100, can carry out exchanges data between local control unit 3 and overall controll block 10 by this connection.Consider redundant reason, supply lines and Field bus are advantageously duplicate.By the same token provides two whole controll blocks.Field bus is also connecting independent control unit 3, also exchanges data can take place between them." track " with double wall pipe 16 is also shown in Figure 4.The annular space of the unitary part of double wall pipe 16 can be connected on the communicating space by the added space in matrix 2.
As shown in Figure 3, pressure transducer 4 transmits lead 43 by signal and is connected to partial control system 3.The controlled valve 5 that is used for servo oil transmits lead 35 by signal equally and is connected to partial control system 3.
The controll block 10 of higher levels of control system 100 can freely be programmed, thereby makes that lubricating pump can be controlled or regulate, and makes the quantity and/or the time point of the oiling agent that is supplied to can rely on described Operational Limits to regulate.
The interrupted supply of oiling agent that is relevant to the pressure pulse of the time point of discharge and generation can be monitored by adopts pressure sensor 4.Higher levels of control system can be relevant to required parameter value and regulate, this required parameter value be scheduled to or rely on further parameter.The parameter that adopts pressure sensor 4 measures, and to small part as data 310, be sent in the higher levels of control system 100 being used for monitoring by local control unit, thereby if necessary, can activate necessary remedial measure and/or warning is set.Partial control system 3 is determined from higher levels of control with opposite direction and is received data 103 10.

Claims (8)

1. cylinder lubricating system, it is used at reciprocating piston combustion engine, especially have a plurality of cylinders in the longitudinally scavenged two-stroke large diesel engine, (8) in, oiling agent is applied to the piston operation surface of cylinder, (80) on, each cylinder all has a plurality of oiling agent nozzles, (7), wherein oiling agent adopts the lubricating pump of interrupted pumping to supply in the oiling agent nozzle with metering form and pulse shape, and the driver part of lubricating pump connects on the transport pipe, just carry the pipe of servo oil or cylinder oil, double wall pipe particularly, (16)
It is characterized in that, lubricated module (1) with lubricating pump links to each other with each cylinder, lubricating pump has formed the matrix (2) of mechanically stable, can set up different element (3 by this matrix, 4,5) integrated, these elements are: a) local control unit (3), each local control unit (3) has formed the intelligent node of higher levels of control system (100), b) be used to monitor the pressure transducer (4) of the interrupted pumping of oiling agent, c) be used for this oily control valve (5), and d) further selectable element, accumulator for example, (6a 6b) is provided on the matrix, and the passage with T-branch (62) (61) that is used for this oil is integrated on the matrix and this passage connects described connector point wherein to be used for two connector points of transport pipe, this branch has set up the connection on the driver part of lubricating pump simultaneously, and this pump can be closed and can be controlled by valve.
2. lubrication system as claimed in claim 1, it is characterized in that this higher level control system (100) comprises supply lines (102) and at least one Field bus, especially CAN bus, and local control unit (3) is connected to supply lines and is connected on the Field bus, so that and set up exchanges data (103 between the higher levels of control system, 310), consider redundant reason, supply lines and Field bus are duplicate.
3. lubrication system as claimed in claim 1 is characterized in that pressure transducer (4) transmits lead (43) by signal and is connected on the partial control system (3).
4. as each described lubrication system of claim 1 to 3, the control valve (5) that it is characterized in that being used for servo oil transmits lead (35) by signal and is connected to partial control system (3).
5. as each described lubrication system of claim 1 to 3, it is characterized in that higher levels of control system (100) can freely programme, thereby make that lubricating pump can be controlled or regulate, make the quantity and/or the time point of the oiling agent that is transferred to rely on different Operational Limitss to be provided with, for example rely on rotating speed, load, temperature cylinder, the thickness of lubricating film (8) or other fuel.
6. a reciprocating piston combustion engine especially has longitudinally scavenged two-stroke large diesel engine, and it comprises according to each cylinder lubricating system of claim 1 to 5.
7. an employing comes method that piston operation surface (80) is lubricated according to each cylinder lubricating system of claim 1 to 5, it is characterized in that, the interrupted pumping of oiling agent is monitored with respect to the pressure pulse of time of delivery and generation, adjusting can be implemented with respect to required parameter by higher levels of control system, this required parameter be scheduled to or be fixed against further parameter.
8. method as claimed in claim 7, it is characterized in that parameter that adopts pressure sensor (4) measures also is sent to higher levels of control system (100) so that small part is the form of data (310), thereby, if necessary, can activate remedial measure and/or alerts triggered.
CN2006101395259A 2005-09-23 2006-09-22 Cylinder lubricating device for an reciprocating piston combustion engine Expired - Fee Related CN1944966B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05405555.3 2005-09-23
EP05405555 2005-09-23

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CN1944966A CN1944966A (en) 2007-04-11
CN1944966B true CN1944966B (en) 2011-02-09

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CN2006101395259A Expired - Fee Related CN1944966B (en) 2005-09-23 2006-09-22 Cylinder lubricating device for an reciprocating piston combustion engine

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EP (1) EP1767751B1 (en)
JP (1) JP4820254B2 (en)
KR (1) KR101256399B1 (en)
CN (1) CN1944966B (en)
AT (1) ATE403070T1 (en)
DE (1) DE502006001227D1 (en)
DK (1) DK1767751T3 (en)
PL (1) PL1767751T3 (en)

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KR101027536B1 (en) * 2009-10-14 2011-04-07 경상대학교산학협력단 The electronically controlled lubricator integrated with an accumulating distributor in a large two-stroke diesel engine
DK178033B1 (en) * 2010-06-04 2015-03-30 Hans Jensen Lubricators As Hydraulic system, preferably a central lubrication system for cylinder lubrication
EP2395208A1 (en) 2010-06-11 2011-12-14 Wärtsilä Schweiz AG Large motor with a cylinder lubrication device and method for lubricating a cylinder of a large motor
US8936135B2 (en) 2010-11-29 2015-01-20 Lincoln Industrial Corporation Pump having heated reservoir
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DK179750B1 (en) 2017-12-13 2019-05-07 Hans Jensen Lubricators A/S Large slow-running two-stroke engine and method of lubri-cating 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
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JP4820254B2 (en) 2011-11-24
KR101256399B1 (en) 2013-04-25
KR20070034436A (en) 2007-03-28
ATE403070T1 (en) 2008-08-15
EP1767751A1 (en) 2007-03-28
PL1767751T3 (en) 2009-01-30
DK1767751T3 (en) 2008-11-17
DE502006001227D1 (en) 2008-09-11
JP2007085349A (en) 2007-04-05
CN1944966A (en) 2007-04-11
EP1767751B1 (en) 2008-07-30

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