EP0849465A2 - Schraubhülse zur Vorzentrierung - Google Patents
Schraubhülse zur Vorzentrierung Download PDFInfo
- Publication number
- EP0849465A2 EP0849465A2 EP97115780A EP97115780A EP0849465A2 EP 0849465 A2 EP0849465 A2 EP 0849465A2 EP 97115780 A EP97115780 A EP 97115780A EP 97115780 A EP97115780 A EP 97115780A EP 0849465 A2 EP0849465 A2 EP 0849465A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- section
- screw sleeve
- suction system
- centering
- cylinder head
- 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
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
- F02F1/4235—Shape or arrangement of intake or exhaust channels in cylinder heads of intake channels
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
- F02M35/10078—Connections of intake systems to the engine
-
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10314—Materials for intake systems
- F02M35/10321—Plastics; Composites; Rubbers
Definitions
- the present invention relates to a suction system with at least one device for attachment a cylinder head for cylinders of an internal combustion engine according to the preamble of the main claim.
- the attachment of suction systems to cylinder heads, motor vehicle engines in particular is known.
- the attachment is usually by means of conventional Sleeve screw systems.
- As a disadvantage turns out during assembly that the suction system as long as held on the cylinder head until screwing is done.
- the present invention relates to a suction system, especially for cylinders of an internal combustion engine with at least one device for attachment a cylinder head, the device being one in a screw sleeve arranged in a bore of the suction system has and wherein the screw sleeve on her the end facing the cylinder head a precentering section having.
- a suction system has the advantage that, for example Stud bolts of the cylinder head simply plugged on can be and by means of the pre-centering section pre-centering is carried out.
- the Suction system does not have to be extra when screwing on be held, but is already through that Place the pre-centering section on the bolt fixed. Then the suction system be screwed on quickly, being more advantageous Automated assembly is possible.
- the invention accordingly enables a particularly safe and easy installation of suction systems on the Cylinder head, in particular of motor vehicle engines.
- the invention relates in a particularly preferred Embodiment a suction system with a bore to accommodate the screw sleeve, the bore an annular step or narrowing or individual constrictions arranged in a ring, such as Knobs, on which an advantageously arranged on the outside of the screw sleeve Support the shoulder so that it can be pushed back the screw sleeve when plugged onto a bolt of the cylinder head, the screw sleeve but is secured against being pushed out.
- a suction system with a bore to accommodate the screw sleeve, the bore an annular step or narrowing or individual constrictions arranged in a ring, such as Knobs, on which an advantageously arranged on the outside of the screw sleeve Support the shoulder so that it can be pushed back the screw sleeve when plugged onto a bolt of the cylinder head, the screw sleeve but is secured against being pushed out.
- the inner diameter of the precentering section that is, the section of the screw sleeve that is attached to facing the cylinder head to be attached End of the screw sleeve is arranged larger than the inside diameter of the threaded section of the Screw sleeve.
- the threaded section of the screw sleeve is the area of the screw sleeve between the Pre-centering section and the screw sleeve middle section is arranged and has an internal thread, which is the inclusion of a the suction system with the cylinder head connecting bolt or the like serves.
- the invention also includes embodiments whose screw sleeves do not have a screw sleeve middle section have, but essentially only the pre-centering section, the threaded section and comprise a screw sleeve head.
- FIG. 1a shows part of an upper part 1 and a lower part 3 comprehensive suction system 5.
- Die Suction system 5 is on a stud 7 Cylinder head 9 attached.
- the suction system 5 points to their attachment to the cylinder head 9 inner bores 11, in each one Screw sleeve 13 is inserted captively.
- the Screw sleeve 13 has the cylinder head 9 on it facing end 15 a precentering section 17th on.
- the pre-centering section 17 has no thread on.
- Between the screw sleeve middle section 21 and the pre-centering section 17 is a molded one Threaded threaded portion 19 arranged.
- the screw sleeve 13 has the cylinder head on it 9 opposite end 23 a screw sleeve head 25, which is designed as an external hexagon can be.
- the screw sleeve head 25 has one annular shoulder 27 on the support a wall 28 of a bore 26 of the upper part 1 of the Suction system 5 is used.
- the screw sleeve head 25 serves also the reception of a plastic stopper 29, which closes the screw sleeve 13 splashproof.
- the inner bore 11 has an annular constriction 31 or individual constrictions arranged in a ring, like pimples, on a pushing back the Screw sleeve 13 when plugging onto the stud bolt 7 due to a circumferential expansion of the threaded section 19 allows the extension of the But screw sleeve prevented, especially due to one in the transition area of the pre-centering section 17 to the threaded section 19 arranged shoulder 22 ( Figure 1b).
- the suction system 5 can be screwed on very quickly, with the particularly long screw sleeves 13 good accessibility when screwing is guaranteed.
- FIG. 2a shows a screw sleeve 13 with a Pre-centering section 17, a threaded section 19 a screw sleeve middle section 21 and one a screw sleeve head 25 having a shoulder 27.
- the length of the no pre-centering section with internal thread 17 approximately the length of an internal thread 20 Threaded section 19 corresponds.
- the Outside diameter of the pre-centering section 17 slightly larger than the outside diameter of the threaded section 19, which in turn is a larger one Outside diameter as the screw sleeve middle section 21 has.
- an annular step or shoulder 22 In the transition area from the threaded section 19 to the pre-centering section 17 an annular step or shoulder 22.
- the Screw sleeve head 25 has one opposite Screw sleeve middle section 21 enlarged inside and Outside diameter.
- Thread middle section 21 and screw sleeve head 25 is another ring-shaped Level 24 ( Figure 2b).
- the outer diameter in the pre-centering section 17 and between annular step 24 and shoulder 27 serves to guide the screw sleeve 13 in the plastic part. In these areas you can use the outer ring surfaces large lateral forces are transmitted safely.
- the shoulder 22 is arranged so that the Slip back screw sleeve 13 in bore 11 can.
- the screw sleeve 13 is in the inner bore 11th or 26 of the suction system 5, whereby slipping in the direction of the cylinder head 9 prevented by the formation of the shoulder 27 becomes.
- the screw sleeve 13 slips when plugging on the stud 7 is by the Formation of the annular step or shoulder 22 prevents that in positive engagement with the annular Constriction 31 of the inner bore 11 occurs and the Screw sleeve 13 fixed in position.
- FIG. 2 also clearly shows that when plugging the suction system 5 onto the cylinder head 9 the upper area 8 of the stud bolt 7 initially without any further manipulation in the Pre-centering section 17 can penetrate and so the Suction system 5 holds on the cylinder head 9. Subsequently the screw sleeve 13 is screwed tight, wherein the threaded portion 19 of the screw sleeve 13 is screwed onto the stud bolt 7.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
Description
- Figur 1a/b
- einen Längsschnitt durch einen Teil einer Sauganlage und eines Zylinderkopfes und
- Figur 2a/b
- einen Längsschnitt durch eine Schraubenhülse.
Claims (6)
- Sauganlage, insbesondere für einen Brennkraftmotor, mit mindestens einer Vorrichtung zur Befestigung an einem Zylinderkopf des Motors, wobei die Vorrichtung eine in einer Bohrung der Sauganlage angeordnete Schraubhülse umfaßt, dadurch gekennzeichnet, daß die Schraubhülse (13) an ihrem dem Zylinderkopf (9) zugewandten Ende (15) einen Vorzentrierabschnitt (17) aufweist.
- Sauganlage nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Vorzentrierabschnitt (17) der Aufnahme eines Bolzens (7) dient.
- Sauganlage nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß zwischen dem Vorzentrierabschnitt (17) und einem Schraubhülsenmittelabschnitt (21) ein Gewindeabschnitt (19) angeordnet ist.
- Sauganlage nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Länge (G) des Gewindeabschnitts (19) größer oder gleich der Länge (Z) des Vorzentrierabschnitts (17) ist.
- Sauganlage nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Schraubhülse (13) im Übergangsbereich zwischen Vorzentrierabschnitt (17) und Gewindeabschnitt (19) eine ringförmige Schulter (22) aufweist.
- Sauganlage nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Bohrung (11) der Sauganlage (5) eine ringförmige Verengung oder einzelne Noppen (31) aufweist, an der oder an denen sich die ringförmige Schulter (22) der Schraubhülse (13) so abstützt, daß ein Zurückschieben der Schraubhülse (13) beim Aufstecken auf den Bolzen (7) möglich ist, die Schraubhülse aber gegen Ausschieben gesichert ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19652748 | 1996-12-18 | ||
DE19652748A DE19652748C1 (de) | 1996-12-18 | 1996-12-18 | Schraubhülse zur Vorzentrierung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0849465A2 true EP0849465A2 (de) | 1998-06-24 |
EP0849465A3 EP0849465A3 (de) | 1998-10-28 |
EP0849465B1 EP0849465B1 (de) | 2003-09-10 |
Family
ID=7815182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97115780A Expired - Lifetime EP0849465B1 (de) | 1996-12-18 | 1997-09-11 | Schraubhülse zur Vorzentrierung |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0849465B1 (de) |
CZ (1) | CZ289160B6 (de) |
DE (2) | DE19652748C1 (de) |
HU (1) | HU221291B1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021130725A1 (en) * | 2019-12-24 | 2021-07-01 | Fleetguard Filters Private Limited | Cylinder cover for internal combustion engine |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4372120A (en) * | 1979-10-26 | 1983-02-08 | General Motors Corporation | V-Type engine intake with vibration isolated manifold connector |
US4428331A (en) * | 1981-09-04 | 1984-01-31 | General Motors Corporation | V-Type engine intake with vibration isolated manifold |
US4470378A (en) * | 1982-09-29 | 1984-09-11 | General Motors Corporation | Engine with side wall mounted vibration isolated manifold |
DE4221913C1 (de) * | 1992-07-03 | 1994-01-27 | Freudenberg Carl Fa | Ansaugkrümmer für eine Verbrennungskraftmaschine mit einem Zylinderkopf |
JPH0874677A (ja) * | 1994-08-31 | 1996-03-19 | Nissan Motor Co Ltd | 内燃機関のegrバルブ取付構造 |
DE9416059U1 (de) * | 1994-10-05 | 1994-12-01 | Hahn, Karlheinz, 94315 Straubing | Vergasergehäuse |
JPH08246951A (ja) * | 1995-03-09 | 1996-09-24 | Nissan Motor Co Ltd | 吸気マニホルド一体型ロッカカバー付内燃機関 |
-
1996
- 1996-12-18 DE DE19652748A patent/DE19652748C1/de not_active Expired - Fee Related
-
1997
- 1997-09-11 EP EP97115780A patent/EP0849465B1/de not_active Expired - Lifetime
- 1997-09-11 DE DE59710729T patent/DE59710729D1/de not_active Expired - Lifetime
- 1997-12-16 CZ CZ19974045A patent/CZ289160B6/cs not_active IP Right Cessation
- 1997-12-17 HU HU9702483A patent/HU221291B1/hu not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
None |
Also Published As
Publication number | Publication date |
---|---|
HUP9702483A2 (hu) | 1999-11-29 |
HUP9702483A3 (en) | 2000-07-28 |
EP0849465A3 (de) | 1998-10-28 |
HU9702483D0 (en) | 1998-03-02 |
DE59710729D1 (de) | 2003-10-16 |
CZ404597A3 (cs) | 1998-09-16 |
EP0849465B1 (de) | 2003-09-10 |
CZ289160B6 (cs) | 2001-11-14 |
DE19652748C1 (de) | 1997-12-18 |
HU221291B1 (en) | 2002-09-28 |
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