GB2541014A - Internal combustion engine element arrangement - Google Patents
Internal combustion engine element arrangement Download PDFInfo
- Publication number
- GB2541014A GB2541014A GB1513914.0A GB201513914A GB2541014A GB 2541014 A GB2541014 A GB 2541014A GB 201513914 A GB201513914 A GB 201513914A GB 2541014 A GB2541014 A GB 2541014A
- Authority
- GB
- United Kingdom
- Prior art keywords
- insert
- engine
- element body
- element arrangement
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0043—Arrangements of mechanical drive elements
- F02F7/0053—Crankshaft bearings fitted in the crankcase
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/02—Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
- F16C9/02—Crankshaft bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M1/00—Frames or casings of engines, machines or apparatus; Frames serving as machinery beds
- F16M1/02—Frames or casings of engines, machines or apparatus; Frames serving as machinery beds for reciprocating engines or similar machines
- F16M1/021—Frames or casings of engines, machines or apparatus; Frames serving as machinery beds for reciprocating engines or similar machines for housing crankshafts
- F16M1/025—Assembling bearings in casings, e.g. having anchor bolts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/006—Camshaft or pushrod housings
- F02F2007/0063—Head bolts; Arrangements of cylinder head bolts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2204/00—Metallic materials; Alloys
- F16C2204/20—Alloys based on aluminium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2204/00—Metallic materials; Alloys
- F16C2204/60—Ferrous alloys, e.g. steel alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/80—Shaping by separating parts, e.g. by severing, cracking
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/22—Internal combustion engines
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
An engine element arrangement for an i.c. engine comprises an element body, eg cylinder housing or case 2, made from a first material and an insert 10A/10B attached to the element body 2 and made from a different material and comprising at least part of a recess 30 for supporting a bearing 70A, 70B. The insert 10A/10B may comprise two connected insert parts 10A, 10B which together define a recess 30 for supporting the bearing, eg a crankshaft bearing 70A, 70B. Additionally or alternatively, a cylinder head may be attached to the element body 2 by cylinder head bolts 5 engaging with threads 6 in the insert 10A, 10B. The element body 2 may be made from aluminium and/or magnesium alloy; the insert may be made from an iron alloy, eg cast iron or steel. The insert parts 10A, 10B may be reconnected by cap bolts 8 along a common fracture surface 60 starting at predefined notches 50.
Description
Internal combustion engine element arrangement
Description
The present invention relates to an engine element arrangement for an internal combustion engine, a method for manufacturing the engine element arrangement, an internal combustion engine comprising the engine element arrangement and a vehicle, in particular a passenger car, comprising such internal combustion engine respectively. A bearing of a crankshaft of an internal combustion engine may be supported by a bearing cap with a recess part connected to an element body after arranging the bearing within a recess part in the element body, those two recess parts defining a common recess accommodating the bearing after connection. A cylinder head may be attached to an element body of an internal combustion engine by bolts engaging with the element body.
One object of the present invention is to improve an internal combustion engine and/or its manufacturing.
Said object is solved in particular by the feature combination of present claims 1 and 10 respectively. Claims 14,15 refer to an internal combustion engine comprising an engine element arrangement as described herein and a vehicle, in particular a passenger car, comprising such internal combustion engine respectively, sub-claims refer to advantageous embodiments.
According to one embodiment of the present invention an engine element arrangement for an internal combustion engine, in particular an engine element arrangement of an internal combustion engine, in particular for, in particular of, a vehicle, in particular a passenger car, comprises an element body, in particular a cylinder housing or block respectively, made from a first material and one or more inserts.
According to one embodiment the insert(s) is/are attached to the element body.
According to one embodiment the insert(s) is/are made from a second material which is different from the first material of the element body. Two inserts may be made from the second or different second materials.
According to one embodiment the insert(s) (each) comprise at least a part of a recess for supporting a bearing.
According to one aspect of the present invention at least one insert comprises, in particular consists of, two or more connected insert parts which together define a common recess for supporting said bearing. In other words said insert may be a split insert comprising a recess defined commonly by its connected insert parts. The recess may have an, at least essentially, closed and/or circular, circumference according to one embodiment.
According to one embodiment supporting the bearing by one or more such split inserts made from a different material then the element body may advantageously allow to improve support by the second material and/or reduce weight by the first material.
According to one embodiment the insert parts of an insert are reconnected to one another along a common fracture surface. In particular said insert parts may yield from cracking an initially one-piece insert, thus generating the common fracture surface at which the insert cracks or cracked respectively. In other words a common fracture surface of insert parts of a split insert may be a surface along which the initially one-piece insert is or has been cracked or broken respectively into said parts.
According to one embodiment the irregular common fracture surface may advantageously improve alignment and/or (re)connection of the insert parts with one another.
According to another aspect of the present invention which advantageously may be combined with the aforementioned aspect of the split insert, in particular with the fracture surface, the engine element arrangement comprises a cylinder head attached to the element body by one or more cylinder head bolts (each) engaging with a (respective) thread of or within the insert(s) of the engine element arrangement respectively.
According to one embodiment thus the insert comprising at least a part of the recess for, in particular with, the bearing, is used also to provide one or more threads for cylinder head bolts attaching the cylinder head to the element body and thus may advantageously integrate the functionalities of supporting the bearing and improving attachment of the cylinder head.
According to one embodiment at least two of the insert parts are connected, in particular reconnected along the common fracture surface, to one another by one or more bearing cap bolts. According to one embodiment this may improve mounting and/or dismounting of the bearing.
According to one embodiment an cylinder head bolt reaches through a through-hole within the element body. According to one embodiment the cylinder head and the insert(s) may be arranged on opposite sides of the element body which thus may advantageously serve as an abutment for the insert forced towards the cylinder head by the cylinder head bolt(s).
According to one embodiment the insert(s) is/are casted at least partially into the element body. According to one embodiment this may improve attachment to the element body and/or provide a compact engine element arrangement.
According to one embodiment the first material comprises, in particular is, a light metal, in particular an aluminum and/or magnesium alloy. According to one embodiment this may advantageously reduce the overall weight of the engine element arrangement.
According to one embodiment the second material comprises, in particular is, an iron alloy, in particular cast iron or steel. According to one embodiment this may advantageously improve support of the bearing and/or the cylinder head bolt(s).
According to one embodiment the common fracture surface starts at or connects to one or more predefined notches of the insert respectively. According to one embodiment this may advantageously improve generating of the fracture surface, in particular due to stress concentration and/or to predetermine its position within the element body.
According to one embodiment a bearing, in particular for, in particular of, a crankshaft of the internal combustion engine, is arranged within the recess. Accordingly a crankshaft of the internal combustion engine is supported by the bearing(s) arranged within the recess(es) of the insert(s) according to one embodiment.
As already explained both aspects, in particular combined with one another, may improve support of a crankshaft of the internal combustion engine according to one embodiment.
According to one aspect of the present invention a method for manufacturing an engine element arrangement as described herein comprises the step of connecting the (corresponding) insert parts of the split insert(s) so that the bearing(s) is/are arranged within the (respective) common recess defined together by the connected insert parts, in particular arranging the bearing within a part of the recess formed in at least one insert part and reconnecting the other insert part(s) of the respective insert so as to define the common recess of this insert.
According to one embodiment the method comprises the steps of cracking the, in particular initially one-piece, inserts) to generate the insert parts of the (respective) insert split by the (respective) common fracture surface(s) and reconnecting the respective insert parts after arranging a/the bearing so that it is (afterwards) arranged within the respective common recess defined together by the corresponding reconnected insert parts.
According to one embodiment an insert is cracked by (expanding) an expandable shaft arranged, in particular temporarily, within the recess. According to one embodiment this may improve cracking of the initially one-piece insert.
Additionally or alternatively an insert is cracked hydraulically, in particular by hydraulically expanding the expandable shaft. According to one embodiment this may improve cracking of the initially one-piece insert.
According to one embodiment the thread(s) for engaging the bearing cap bolt(s) is/are manufactured before cracking the insert. According to one embodiment this may improve (re)alignment of the insert parts after cracking.
According to another aspect of the present invention which advantageously may be combined with the aforementioned aspect of the split insert a method for manufacturing an engine element arrangement as described herein comprises the step of attaching the cylinder head to the element body by engaging or screwing respectively the cylinder head bolt(s) with or into the thread(s) of the insert respectively.
According to one embodiment an insert is integrated at least partially into the element body at or during molding or casting of the element body respectively. As already explained, casting the insert into the element body may improve attachment of the insert to the element body according to one embodiment. According to one embodiment an insert may be arranged at a bottom of a cast before filling in the first material. According to one embodiment this may improve fixing the insert during molding.
According to one embodiment an insert which is integrated into the molded element body is cracked afterwards. According to one embodiment this may improve cracking, in particular by the insert being fixed by the element body.
Further features of the present invention are disclosed in the sub-claims and the following description of preferred embodiments. Thereto it is shown, partially schematically, in:
Fig. 1 a sectional view of an engine element arrangement of an internal combustion engine of a vehicle according to an embodiment of the present invention; and
Fig. 2 an enlarged view of a portion of said engine element arrangement indicated by a thick rectangle in Fig. 1.
Fig. 1 shows a sectional view of an engine element arrangement of an internal combustion engine of a vehicle according to an embodiment of the present invention.
The engine element arrangement comprises an element body in form of a cylinder housing or case 2 respectively, made from a first material and a plurality of split inserts which are, at least essentially, identical to one another and aligned in parallel along a common axis (perpendicular to the plane of Fig. 1) of a crankshaft (not shown).
The inserts each are attached to element body 2.
They are made from a second material which is different from the first material of element body 2.
Each insert consists of two insert parts 10A, 10B which together define a common recess 30 for supporting a two-part or split bearing 70A, 70B of or for the crankshaft respectively.
The insert parts 10A, 10B are reconnected to one another along a common fracture surface 60 which is a surface along which an initially one-piece insert has been cracked into said parts 10A, 10B. A cylinder head 1 is attached to the element body 2 by a plurality of cylinder head bolts 5 engaging with respective threads 6 within insert part(s) 10A.
The two insert parts 10A, 10B of each insert are reconnected to one another by two bearing cap bolts 8.
The inserts are partially casted into element body 2.
Cylinder head bolts 5 each reach through a respective through-hole 26 within element body 2.
The first material is an aluminum and/or magnesium alloy.
The second material is an iron alloy, In particular cast iron or steel.
The common fracture surfaces 60 of the inserts each start at predefined notches 50 of the insert (see also the enlarged view of Fig. 2). A method for manufacturing the engine element arrangement as described herein comprises the steps of cracking the initially one-piece inserts to generate the two insert parts 10A, 10B of the respective insert split by the respective common fracture surface 60 and reconnecting the respective insert parts 10A, 10B after arranging the respective bearing 70A, 70B so that it is afterwards arranged within the respective common recess 30 defined together by the corresponding reconnected insert parts 10A, 10B.
The initially one-piece inserts are cracked by hydraulically expanding an expandable shaft 40 which is temporarily arranged within the respective recess common 30. For purpose of compact illustration only said shaft 40 and bearing 70A, 70B are both depicted commonly in Fig. 1.
Threads 9 with which bearing cap bolts 8 engage for reconnecting insert parts 10A, 10B are manufactured before cracking the respective insert.
Cylinder head 1 is attached to element body 2 by engaging or screwing respectively cylinder head bolts 5 with or into threads 6 of insert part 10A respectively.
The inserts are partially integrated into element body 2 at or during molding or casting of element body 2 respectively and cracked afterwards, i.e. when being already integrated into molded element body 2.
While at least one exemplary embodiment has been presented in the foregoing summary and detailed description, it should be appreciated that a vast number of variations exist.
In particular insert part 10B may be manufactured separately, in particular from a different material, thus being connected to insert part 10A not along a common fracture surface 60 as explained above.
It should also be appreciated that the exemplary embodiment or exemplary embodiments are only examples, and are not intended to limit the scope, applicability, or configuration in any way. Rather, the foregoing summary and detailed description will provide those skilled in the art with a convenient road map for implementing at least one exemplary embodiment, it being understood that various changes may be made in the function and arrangement of elements described in an exemplary embodiment without departing from the scope as set forth in the appended claims and their legal equivalents.
REFERENCE NUMBERS
Claims (15)
1. An engine element arrangement for an internal combustion engine, comprising: an element body (2) made from a first material and at least one insert (10A, 10B) being attached to said element body (2), made from a different second material and comprising at least a part of a recess (30) for supporting a bearing (70A, 70B); wherein said insert comprises at least two connected insert parts (10A, 10B) which together define a common recess (30) for supporting the bearing (70A, 70B); and/or wherein said engine element arrangement comprises a cylinder head (1) attached to said element body (2) by at least one cylinder head bolt (5) engaging with a thread (6) of said insert (10A, 10B).
2. An engine element arrangement according to the preceding claim, wherein said insert parts (10A, 10B) are reconnected to one another along a common fracture surface (60).
3. An engine element arrangement according to the preceding claim, wherein said common fracture surface (60) starts at at least one predefined notch (50) of the insert (10A, 10B).
4. An engine element arrangement according to one of the preceding claims, wherein at least two of said insert parts (10A, 10B) are connected to one another by at least one bearing cap bolt (8).
5. An engine element arrangement according to one of the preceding claims, wherein the insert (10A, 10B) is casted at least partially into the element body (2).
6. An engine element arrangement according to one of the preceding claims, wherein the cylinder head bolt (5) reaches through a through-hole (26) within the element body (2).
7. An engine element arrangement according to one of the preceding claims, wherein said first material comprises a light metal, in particular an aluminum and/or magnesium alloy and/or said second material comprises an iron alloy, in particular cast iron or steel.
8. An engine element arrangement according to one of the preceding claims, comprising a bearing (70A, 70B) arranged within the recess (30).
9. An engine element arrangement according to the preceding claim, comprising a crankshaft of the internal combustion engine supported by said bearing (70A, 70B).
10. A method for manufacturing an engine element arrangement according to one of the preceding claims, comprising at least one of the following steps: connecting the insert parts (10A, 10B) of the insert so that the bearing (70A, 70B) is arranged within the common recess (30) defined together by the connected insert parts (10A, 10B); and/or attaching the cylinder head (1) to the element body (2) by engaging the cylinder head bolt (5) with the thread (6) of the insert (10A, 10B).
11. A method according to the preceding claim, comprising the steps of cracking the insert, in particular hydraulically and/or by an expandable shaft (40) arranged within the recess (30), to generate the insert parts (10A, 10B) split by the common fracture surface (60) and reconnecting these insert parts (10A, 10B) after arranging the bearing (70A, 70B) so that it is arranged within the common recess (30) defined together by the reconnected insert parts (10A, 10B).
12. A method according to one of the preceding claims, wherein the insert (10A, 10B) is integrated at least partially into the element body at molding of the element body (2).
13. A method according to the preceding claim, wherein the insert (10A, 10B) integrated into the molded element body (2) is cracked.
14. An internal combustion engine comprising an engine element arrangement according to one of the preceding claims.
15. A vehicle, in particular a passenger car, comprising an internal combustion engine according to the preceding claim.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1513914.0A GB2541014A (en) | 2015-08-06 | 2015-08-06 | Internal combustion engine element arrangement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1513914.0A GB2541014A (en) | 2015-08-06 | 2015-08-06 | Internal combustion engine element arrangement |
Publications (2)
Publication Number | Publication Date |
---|---|
GB201513914D0 GB201513914D0 (en) | 2015-09-23 |
GB2541014A true GB2541014A (en) | 2017-02-08 |
Family
ID=54200345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1513914.0A Withdrawn GB2541014A (en) | 2015-08-06 | 2015-08-06 | Internal combustion engine element arrangement |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2541014A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3943211A1 (en) * | 2020-07-22 | 2022-01-26 | DEUTZ Aktiengesellschaft | Cylinder crankcase with foreign bodies for cast reduction and for better cleanliness of the component |
WO2023027878A1 (en) * | 2021-08-26 | 2023-03-02 | Cummins Inc. | Rib structure on cylinder block |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5769546A (en) * | 1995-10-06 | 1998-06-23 | Dr. Ing. H.C.F. Porsche Ag | Crankshaft bearing for an internal combustion engine |
US6076971A (en) * | 1997-07-01 | 2000-06-20 | Cummins Engine Company, Inc. | Engine block bearing saddle reinforcing inserts |
EP1039118A2 (en) * | 1999-03-20 | 2000-09-27 | Honsel GmbH & Co. KG | Cylinder block for a piston engine |
DE19949965A1 (en) * | 1999-10-16 | 2001-04-19 | Volkswagen Ag | Internal combustion engine, for vehicle; has bearing cover screwed to bearing seat with reinforcement part cast into area of bearing seat and reinforcement extension extending axially to each holder |
DE19949928A1 (en) * | 1999-10-16 | 2001-04-26 | Daimler Chrysler Ag | Shaft bearing for IC engines with bearing parts such as bearing top parts and bearing cover which are arranged connectable with each other in housing across bearing screws |
DE10246522B3 (en) * | 2002-10-05 | 2004-04-08 | Audi Ag | Cylinder-crankcase block for internal combustion engine has further cast-in part in form of cylinder liner |
WO2006032822A1 (en) * | 2004-09-23 | 2006-03-30 | Renault S.A.S. | Crankshaft bearing equipped with an insert and corresponding insert |
EP1843029A2 (en) * | 2006-04-07 | 2007-10-10 | KS Aluminium-Technologie AG | Composite cylinder case |
DE102008014022A1 (en) * | 2008-03-13 | 2009-09-17 | Honsel Ag | Cylinder block manufacturing method for diesel engine of e.g. lorry, involves providing half shells against each other along common breaking surface, and screwing half shells with one another, during mounting of cylinder block |
DE102012024968A1 (en) * | 2012-12-20 | 2014-06-26 | Daimler Ag | Crankshaft bearing for wear-resistant internal combustion engine of motor car, has cylinder head screws arranged in bearing block screws through contact surface that is provided at region around block screws inclined to cylinder head screws |
DE202013011394U1 (en) * | 2013-12-20 | 2015-03-23 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Engine block and vehicle with an engine block |
-
2015
- 2015-08-06 GB GB1513914.0A patent/GB2541014A/en not_active Withdrawn
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5769546A (en) * | 1995-10-06 | 1998-06-23 | Dr. Ing. H.C.F. Porsche Ag | Crankshaft bearing for an internal combustion engine |
US6076971A (en) * | 1997-07-01 | 2000-06-20 | Cummins Engine Company, Inc. | Engine block bearing saddle reinforcing inserts |
EP1039118A2 (en) * | 1999-03-20 | 2000-09-27 | Honsel GmbH & Co. KG | Cylinder block for a piston engine |
DE19949965A1 (en) * | 1999-10-16 | 2001-04-19 | Volkswagen Ag | Internal combustion engine, for vehicle; has bearing cover screwed to bearing seat with reinforcement part cast into area of bearing seat and reinforcement extension extending axially to each holder |
DE19949928A1 (en) * | 1999-10-16 | 2001-04-26 | Daimler Chrysler Ag | Shaft bearing for IC engines with bearing parts such as bearing top parts and bearing cover which are arranged connectable with each other in housing across bearing screws |
DE10246522B3 (en) * | 2002-10-05 | 2004-04-08 | Audi Ag | Cylinder-crankcase block for internal combustion engine has further cast-in part in form of cylinder liner |
WO2006032822A1 (en) * | 2004-09-23 | 2006-03-30 | Renault S.A.S. | Crankshaft bearing equipped with an insert and corresponding insert |
EP1843029A2 (en) * | 2006-04-07 | 2007-10-10 | KS Aluminium-Technologie AG | Composite cylinder case |
DE102008014022A1 (en) * | 2008-03-13 | 2009-09-17 | Honsel Ag | Cylinder block manufacturing method for diesel engine of e.g. lorry, involves providing half shells against each other along common breaking surface, and screwing half shells with one another, during mounting of cylinder block |
DE102012024968A1 (en) * | 2012-12-20 | 2014-06-26 | Daimler Ag | Crankshaft bearing for wear-resistant internal combustion engine of motor car, has cylinder head screws arranged in bearing block screws through contact surface that is provided at region around block screws inclined to cylinder head screws |
DE202013011394U1 (en) * | 2013-12-20 | 2015-03-23 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Engine block and vehicle with an engine block |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3943211A1 (en) * | 2020-07-22 | 2022-01-26 | DEUTZ Aktiengesellschaft | Cylinder crankcase with foreign bodies for cast reduction and for better cleanliness of the component |
US11473523B2 (en) | 2020-07-22 | 2022-10-18 | Deutz Aktiengesellschaft | Cylinder crankcase including a foreign object inclusion for cast reduction and for improved cleanliness of the component |
WO2023027878A1 (en) * | 2021-08-26 | 2023-03-02 | Cummins Inc. | Rib structure on cylinder block |
GB2621078A (en) * | 2021-08-26 | 2024-01-31 | Cummins Inc | Rib structure on cylinder block |
Also Published As
Publication number | Publication date |
---|---|
GB201513914D0 (en) | 2015-09-23 |
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