EP0845592A1 - Kühlelement und Einspritzdüse mit Kühlelement für eine Hubkolbenbrennkraftmaschine - Google Patents
Kühlelement und Einspritzdüse mit Kühlelement für eine Hubkolbenbrennkraftmaschine Download PDFInfo
- Publication number
- EP0845592A1 EP0845592A1 EP96810841A EP96810841A EP0845592A1 EP 0845592 A1 EP0845592 A1 EP 0845592A1 EP 96810841 A EP96810841 A EP 96810841A EP 96810841 A EP96810841 A EP 96810841A EP 0845592 A1 EP0845592 A1 EP 0845592A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooling
- cooling element
- channels
- combustion engine
- internal combustion
- 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
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M53/00—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means
- F02M53/04—Injectors with heating, cooling, or thermally-insulating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
Definitions
- the invention relates to a cooling element e.g. for one Fuel injector and a Reciprocating internal combustion engine with fuel injector.
- a separate cooling circuit contains the nozzle is a nozzle body with a needle seat and Nozzle holes and a cooling jacket, which the Encloses the nozzle body, the nozzle body with its Nozzle holes protrude from the cooling jacket.
- the cooling jacket contains an inlet channel and an outlet channel for the Coolant and forms a with the valve body annular chamber in which the inlet and outlet channel flow out.
- the cooling of the injection nozzle in the cylinder cooling integrated, the cooling jacket and the Nozzle body is arranged so that it is in a Cylinder cover trained chamber that protrudes part of the cylinder cooling circuit. In both cooling systems cooling water is passed through the chambers.
- both systems have the disadvantage on that the distance between the area of Heat exposure and the range of the cooling effect relative is big.
- the invention has for its object a cooling element to create, in which the disadvantages are eliminated.
- the channels are designed as blind bores and Blind holes near the area of heat end up.
- the cooling channels are open on one side and flow into a common space to a free one To cause passage of the cooling medium.
- One fuel injector for one Reciprocating internal combustion engine is according to the invention with the Characterized feature of the claim.
- Through the positive connection between the cooling element and Nozzle body ensures good heat transfer.
- a reciprocating internal combustion engine with one Fuel injection nozzle is according to the invention by Characterized feature of the claim.
- FIG. 1 to 3 show one as a cylindrical body device 1 shown and a sleeve shown cooling element 2 and according to the invention Arrangements of cooling channels in the cooling element are trained.
- the cooling channels are as bores trained and the inlet openings are with a predetermined division.
- the cooling channels are 3 designed as through holes.
- the cooling channels 3 are inclined and inclined with respect to the body axis 4 trained, i.e. the pitch circle diameter D for the Inlet openings 5 is larger than that Pitch circle diameter d of the outlet openings 6 and Outlet openings 6 are in relation to the inlet openings 5 offset by an angle.
- each cooling channel 8 is one Radial bore 9 assigned to an outlet opening 10 create.
- cooling channels 11 designed as blind bores and with respect to Body axis 4 arranged inclined. To be added that the blind bores at a distance h of approx. 3 mm from the End of the sleeve.
- FIG. 4 shows the arrangement of a device for Fuel injection in a cylinder cover or head 21.
- the device comprises a cooling element 22, which in a hole is pressed into the cylinder cover 21, one Injection nozzle 23, which is arranged in the cooling element, and a flange 24, a spring assembly 25 and Fasteners 26, 27 to under the injector To keep bias in the cooling element.
- the Components of an injection nozzle are known.
- In the Injector 23 in question here has the Nozzle body 31 has a conical section 32, on the tapered end a number of nozzle holes 33 are formed and in which the needle seat is formed is.
- An inner cone is formed in the cooling element 22, in which the conical section 32 of the nozzle body 31st sits, so that a positive connection exists is.
- the injection nozzle is included Preload held in the inner cone, so that next to the positive connection also a non-positive connection is present.
- Fig. 5 shows an injection nozzle of the above described type of a cooling element with a 2 is assigned to the cooling duct arrangement.
- the Cooling element 41 is sleeve-shaped. At the extent the cooling element has a coolant inlet or outlet in the form of recesses 42, 43 through webs (not shown) separated by approx extend half the circumference and with the cylinder cover 21st Form flow chambers for the cooling medium. This Chambers each have a number of cooling channels 8 in connection.
- the cooling element 41 has a cylindrical section 44. Adjacent to the Section 44 is a second cylindrical section 45 with a larger outer diameter, which in a third cylindrical section 46 runs out.
- the second section 45 forms with cylinder cover 21 annular flow chamber 47 for the cooling medium.
- the cooling channels 8 are formed, only two radial bores 9 being shown in the figure are.
- a cylinder cover points in the bottom area as is known, a channel system for a cooling circuit.
- the cooling element 41 is designed and in Cylinder cover 21 arranged so that the cooling channels 8 with the cooling circuit in the cylinder cover in series are switched, the cooling medium in the forced pass flows through the cooling element. Flows during the forced run the coolant from the cylinder cooling circuit into the Inlet opening 42 and into those connected to it Cooling ducts 8. An evaporation or Condensation cooling.
- the cooling medium flows through the radial bores 9 into the annular chamber 47 and flows through the radial bores 9 in the Cooling channels connecting the outlet opening in the Cylinder cooling circuit back.
- Fig. 6 shows an injection nozzle
- the cooling element 51 with a cooling channel arrangement according to FIG. 3 is.
- the cooling element 51 has the cylindrical section 44 and a second cylindrical section 52, in which the cooling channels 11 are formed.
- the Cooling element 51 is pressed into the cylinder cover 21 and forms with this a chamber 54 which with the Cooling circuit is connected. In this version flows the cooling medium in free passage from the cooling circuit through the chamber and back into the cooling circuit.
- the sleeve-shaped cooling element has a plurality of Cooling channels 8, which are oblique with respect to the sleeve axis 4 and / or inclined in the longitudinal extension of the Cooling element are formed. With this arrangement the area of cooling effect to the area of Heat exposure adjusted. If the cooling element Cooling an injector Reciprocating internal combustion engine applied, so the Cooling channels connected in series with the cylinder cooling will.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
- Fig. 1
- Eine schematische Darstellung einer ersten Anordnung von Kühlkanälen in einem Kühlelement;
- Fig. 2
- eine schematische Darstellung einer zweiten Anordnung von Kühlkanälen in einem Kühlelement;
- Fig. 3
- eine schematische Darstellung einer dritten Anordnung von Kühlkanälen in einem Kühlelement;
- Fig. 4
- einen Schnitt durch eine Brennstoffeinspritzdüse, welche in einem Zylinderdeckel montiert ist und welcher ein Kühlelement zugeordnet ist;
- Fig. 5
- einen Abschnitt einer Brennstoffeinspritzdüse, welcher ein Kühlelement mit einer Kühlkanalanordnung gemäss Fig. 2 zugeordnet ist und
- Fig. 6
- einen Abschnitt einer Brennstoffeinspritzdüse, welcher in Kühlelement mit einer Kühlkanalanordnung gemäss Fig. 3 zugeordnet ist.
Claims (7)
- Kühlelement gekennzeichnet durch einen hülsenförmigen Körper (1), welcher mit einer zu kühlende Einrichtung (2) verbindbar ist und durch eine Mehrzahl von Kühlkanälen (3, 8, 11) die bezüglich der Körperachse (4) schräg und/oder geneigt in der Längserstreckung des Körpers (1) ausgebildet sind.
- Kühlelement nach Anspruch 1, dadurch gekennzeichnet, dass die Kanäle (8, 11) als Blindbohrungen ausgebildet sind.
- Kühlelement nach Anspruch 2, dadurch gekennzeichnet, dass jedem Kühlkanal (8) ein radial verlaufender Kanal (9) zugeordnet ist.
- Element nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass mindestens eine Einlass- (42) und Auslassöffnung (43) für das Kühlmedium vorgesehen ist und dass jeweils eine vorbestimmte Anzahl von Durchflusskanälen (8) in die Einlass- bzw. Auslassöffnung münden (Fig. 5).
- Brennstoffeinspritzdüse für eine Hubkolbenbrennkraftmaschine, mit einem Düsenkörper und mit einem Kühlelement nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Kühlelement (22) mit dem Düsenkörper (31) formschlüssig verbunden ist (Fig. 4).
- Hubkolbenbrennkraftmaschine mit einer Brennstoffeinspritzdüse nach Anspruch 5, dadurch gekennzeichnet, dass das Kühlelement (22, 51) im Zylinderdeckel (21) angeordnet ist, derart, dass die Kühlkanäle in Serie mit dem Kühlkreislauf im Zylinderdeckel geschaltet sind.
- Brennkraftmaschine nach Anspruch 6, dadurch gekennzeichnet, dass die Brennstoffeinspritzdüse unter Vorspannung in dem Kühlelement (22) gehalten ist.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE59610663T DE59610663D1 (de) | 1996-12-02 | 1996-12-02 | Kühlelement und Einspritzdüse mit Kühlelement für eine Hubkolbenbrennkraftmaschine |
EP96810841A EP0845592B1 (de) | 1996-12-02 | 1996-12-02 | Kühlelement und Einspritzdüse mit Kühlelement für eine Hubkolbenbrennkraftmaschine |
DK96810841T DK0845592T3 (da) | 1996-12-02 | 1996-12-02 | Køleelement og indsprøjtningsdyse med køleelement til en stempelforbrændingsmotor |
KR1019970054444A KR100481931B1 (ko) | 1996-12-02 | 1997-10-23 | 왕복피스톤연소엔진용냉각부재및그냉각부재를구비한분사노즐 |
JP9323161A JPH10159559A (ja) | 1996-12-02 | 1997-11-25 | 往復動型ピストン内燃機関における冷却部材及び同冷却部材を備えた噴射ノズル |
CN97123078A CN1104550C (zh) | 1996-12-02 | 1997-12-01 | 冷却件和活塞式内燃机具有冷却件的喷嘴 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96810841A EP0845592B1 (de) | 1996-12-02 | 1996-12-02 | Kühlelement und Einspritzdüse mit Kühlelement für eine Hubkolbenbrennkraftmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0845592A1 true EP0845592A1 (de) | 1998-06-03 |
EP0845592B1 EP0845592B1 (de) | 2003-08-13 |
Family
ID=8225763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96810841A Expired - Lifetime EP0845592B1 (de) | 1996-12-02 | 1996-12-02 | Kühlelement und Einspritzdüse mit Kühlelement für eine Hubkolbenbrennkraftmaschine |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0845592B1 (de) |
JP (1) | JPH10159559A (de) |
KR (1) | KR100481931B1 (de) |
CN (1) | CN1104550C (de) |
DE (1) | DE59610663D1 (de) |
DK (1) | DK0845592T3 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10324985A1 (de) * | 2003-06-03 | 2004-12-30 | Man B & W Diesel Ag | Kraftstoffeinspritzdüse |
KR100481931B1 (ko) * | 1996-12-02 | 2005-07-18 | 베르트질레 슈바이츠 악티엔게젤샤프트 | 왕복피스톤연소엔진용냉각부재및그냉각부재를구비한분사노즐 |
US7090145B2 (en) | 2002-09-26 | 2006-08-15 | Westport Research Inc. | Liquid cooled fuel injection valve and method of operating a liquid cooled fuel injection valve |
AT414157B (de) * | 2004-07-08 | 2006-09-15 | Avl List Gmbh | Zylinderkopf für eine brennkraftmaschine |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4592577B2 (ja) * | 2005-12-13 | 2010-12-01 | 三菱重工業株式会社 | 水冷式燃料噴射弁 |
US8794545B2 (en) | 2009-09-25 | 2014-08-05 | General Electric Company | Internal baffling for fuel injector |
US8276385B2 (en) | 2009-10-08 | 2012-10-02 | General Electric Company | Staged multi-tube premixing injector |
GB2504517A (en) * | 2012-08-01 | 2014-02-05 | Perkins Engines Co Ltd | A sleeve with integrated heat pipes for seating engine components in a cylinder head |
JP6954101B2 (ja) | 2017-12-25 | 2021-10-27 | 株式会社デンソー | 添加剤噴射弁の冷却装置 |
JP6954103B2 (ja) | 2017-12-25 | 2021-10-27 | 株式会社デンソー | 添加剤噴射弁の冷却装置 |
JP6954102B2 (ja) | 2017-12-25 | 2021-10-27 | 株式会社デンソー | 添加剤噴射弁の冷却装置、及び冷却システム |
CN108661835A (zh) * | 2018-06-20 | 2018-10-16 | 潍柴重机股份有限公司 | 喷油器衬套 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL43901C (de) * | ||||
CH152348A (de) * | 1930-12-20 | 1932-01-31 | Dinner Heinrich | Brennstoffeinspritzvorrichtung mit gekühltem Einspritzorgan. |
CH167276A (de) * | 1933-02-25 | 1934-02-15 | Sulzer Ag | Brennstoffeinspritzvorrichtung. |
DE717883C (de) * | 1937-07-13 | 1942-02-25 | Sulzer Ag | Brennstoffventil fuer Einspritzbrennkraftmaschinen |
DE2110004A1 (de) * | 1970-03-12 | 1971-09-23 | A/S Burmeister & Wams Motor og Maskinfabnk af 1971, Kopenhagen | Brennstoffeinspritzventil fur Brenn kraftmaschinen |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US152348A (en) * | 1874-06-23 | Improvement in wheelwright-machines | ||
JPS5856373Y2 (ja) * | 1977-07-28 | 1983-12-26 | ヤンマーディーゼル株式会社 | ディ−ゼル機関の燃料噴射弁 |
JPS54122215U (de) * | 1978-02-17 | 1979-08-27 | ||
JPS5851412Y2 (ja) * | 1978-09-22 | 1983-11-22 | 株式会社小松製作所 | デイ−ゼルエンジン用燃料噴射弁装置 |
JPS57150262U (de) * | 1981-03-16 | 1982-09-21 | ||
JPS58165255U (ja) * | 1982-04-30 | 1983-11-02 | いすゞ自動車株式会社 | 内燃機関のシリンダヘツド冷却装置 |
JPS6112970U (ja) * | 1984-06-28 | 1986-01-25 | 株式会社小松製作所 | デイ−ゼルエンジンの噴射ノズル冷却装置 |
DK0845592T3 (da) * | 1996-12-02 | 2003-09-08 | Waertsilae Nsd Schweiz Ag | Køleelement og indsprøjtningsdyse med køleelement til en stempelforbrændingsmotor |
DE102013100899B4 (de) * | 2013-01-29 | 2015-02-26 | Schenck Rotec Gmbh | Verfahren und Vorichtung zum Bestimmen einer Bearbeitungsachse |
-
1996
- 1996-12-02 DK DK96810841T patent/DK0845592T3/da active
- 1996-12-02 DE DE59610663T patent/DE59610663D1/de not_active Expired - Fee Related
- 1996-12-02 EP EP96810841A patent/EP0845592B1/de not_active Expired - Lifetime
-
1997
- 1997-10-23 KR KR1019970054444A patent/KR100481931B1/ko not_active IP Right Cessation
- 1997-11-25 JP JP9323161A patent/JPH10159559A/ja active Pending
- 1997-12-01 CN CN97123078A patent/CN1104550C/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL43901C (de) * | ||||
CH152348A (de) * | 1930-12-20 | 1932-01-31 | Dinner Heinrich | Brennstoffeinspritzvorrichtung mit gekühltem Einspritzorgan. |
CH167276A (de) * | 1933-02-25 | 1934-02-15 | Sulzer Ag | Brennstoffeinspritzvorrichtung. |
DE717883C (de) * | 1937-07-13 | 1942-02-25 | Sulzer Ag | Brennstoffventil fuer Einspritzbrennkraftmaschinen |
DE2110004A1 (de) * | 1970-03-12 | 1971-09-23 | A/S Burmeister & Wams Motor og Maskinfabnk af 1971, Kopenhagen | Brennstoffeinspritzventil fur Brenn kraftmaschinen |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100481931B1 (ko) * | 1996-12-02 | 2005-07-18 | 베르트질레 슈바이츠 악티엔게젤샤프트 | 왕복피스톤연소엔진용냉각부재및그냉각부재를구비한분사노즐 |
US7090145B2 (en) | 2002-09-26 | 2006-08-15 | Westport Research Inc. | Liquid cooled fuel injection valve and method of operating a liquid cooled fuel injection valve |
DE10324985A1 (de) * | 2003-06-03 | 2004-12-30 | Man B & W Diesel Ag | Kraftstoffeinspritzdüse |
DE10324985B4 (de) * | 2003-06-03 | 2005-06-16 | Man B & W Diesel Ag | Kraftstoffeinspritzdüse |
NO20060008L (no) * | 2003-06-03 | 2006-01-02 | Man B & W Diesel Ag | Brennstoffinnsproytningsdyse |
US7963461B2 (en) | 2003-06-03 | 2011-06-21 | Man B&W Diesel Ag | Fuel injection nozzle |
NO343237B1 (no) * | 2003-06-03 | 2018-12-17 | Man Energy Solutions Se | Brennstoffinnsprøytningsdyse |
AT414157B (de) * | 2004-07-08 | 2006-09-15 | Avl List Gmbh | Zylinderkopf für eine brennkraftmaschine |
DE102005031243B4 (de) * | 2004-07-08 | 2017-03-16 | Avl List Gmbh | Kühleinsatz für einen Zylinderkopf einer Brennkraftmaschine |
Also Published As
Publication number | Publication date |
---|---|
KR19980063537A (ko) | 1998-10-07 |
KR100481931B1 (ko) | 2005-07-18 |
JPH10159559A (ja) | 1998-06-16 |
DK0845592T3 (da) | 2003-09-08 |
EP0845592B1 (de) | 2003-08-13 |
CN1188844A (zh) | 1998-07-29 |
CN1104550C (zh) | 2003-04-02 |
DE59610663D1 (de) | 2003-09-18 |
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