DE7501456U - CAMSHAFT DRIVE FOR A COMBUSTION ENGINE - Google Patents
CAMSHAFT DRIVE FOR A COMBUSTION ENGINEInfo
- Publication number
- DE7501456U DE7501456U DE19757501456 DE7501456U DE7501456U DE 7501456 U DE7501456 U DE 7501456U DE 19757501456 DE19757501456 DE 19757501456 DE 7501456 U DE7501456 U DE 7501456U DE 7501456 U DE7501456 U DE 7501456U
- Authority
- DE
- Germany
- Prior art keywords
- gear
- drive
- camshaft
- wheel
- crankshaft
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/026—Gear drive
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Gear Transmission (AREA)
- Rotary Pumps (AREA)
- Fuel-Injection Apparatus (AREA)
Description
Bei bekannten derartigen Antrieben wird durch ein Zahnrad auf der Kurbelwelle ein Zahnradpaar auf der Nockenwelle angetrieben, das euch mit einem Rad der Einspritzpumpe zusammenwirkt. Vom Rad der Einspritzpumpe wird noch der Ventilator angetrieben. Nachteilig bei diesem Antrieb ist der große Durchmesser des Nockenwellenrades und seine Verdoppelung, was eine unerwünschte Belastung und eine Herabsetzung der Lebensdauer der Nockenwellenlager herbeiführt. "Sin weiterer wesentlicher Nachteil besteht darin, daß für den Antrieb der Servopumpn und des Kompressors ein weiteres spezielles Getriebe von der Kurbelwelle abgeleitet werden muß.In known drives of this type, a gearwheel is used the crankshaft is driven by a pair of gears on the camshaft, the cooperates with a wheel of the injection pump. The fan is also driven by the wheel of the injection pump. Disadvantageous with this drive is the large diameter of the camshaft gear and its doubling, which causes an undesirable load and a reduction in the life of the camshaft bearings. "Sin more The main disadvantage is that another special gear unit is used to drive the servo pumps and the compressor must be derived from the crankshaft.
233~tS 8489-J 3946)-Sd-r (9)233 ~ tS 8489-J 3946) -Sd-r (9)
750H56 26.02.76750H56 02/26/76
Aufgabe der Erfindung ist eine Verringerung der Belastung der Nockenwellenlager durch kleinere Zahnräder des Nocken Wellenantriebes.The object of the invention is to reduce the load on the camshaft bearings through smaller gear wheels of the cam shaft drive.
Diese Aufgabe wird gelöst durch einen Zwischenzaiintrieb, dessen größeres Rad mit dem Kurbelwellen-Zahnrad und dessen kleirT^es Rad mit dem Nockenwellen-Zahnrad in Eingriff steht.This object is achieved by an intermediate drive whose larger wheel with the crankshaft gear and its smaller wheel meshes with the camshaft gear.
Eine Ausführung nach der Erfindung wird im folgenden anhand der Zeichnung näher beschrieben. Es zeigen:An embodiment according to the invention is described below with reference to FIG Drawing described in more detail. Show it:
Fig. 1 eine Stirnansicht des Antriebes,Fig. 1 is an end view of the drive,
Fig. 2 eine schematische Seitenansicht der Anordnung nach Fig. 1.FIG. 2 shows a schematic side view of the arrangement according to FIG. 1.
Auf der Kurbelwelle 1 ist ein ι Zahnrad 4, auf der Nockenwelle 2 ein Zahnrad 6 und auf der (nicht dargestellten) V/elle der Einspritzpumpe ein Zahnrad 7 angeordnet. Zwischen den Zahnrädern 4 und 6 ist ein Zwischenzahntrieb angeordnet, dessen größeres Rad 3 im Eingriff mit dem Kurbelwellenrad 4 steht und dessen kleineres Rad 5 mit dem Nockenwellenrad ο kämmt.On the crankshaft 1 is a gear 4, on the camshaft 2 a gear 6 and on the (not shown) V / elle of the injection pump a gear 7 is arranged. An intermediate gear drive is arranged between the gears 4 and 6, the larger gear 3 of which is in mesh with the crankshaft wheel 4 and its smaller wheel 5 meshes with the camshaft wheel ο.
Das Zahnrad 6 treibt das Zahnrad 7 zum Antrieb der Einspritzpumpe und dieses ein Zahnrad 8 zum Antrieb der Servopumpe, ein Zahnrad 9 zum Antrieb eines Kompressors und ein Zahnrad 10 zum Antrieb eines Gebläses (Fig. i).The gear 6 drives the gear 7 to drive the injection pump and this one gear 8 to drive the servo pump Gear 9 for driving a compressor and a gear 10 for driving a fan (Fig. I).
Die Vorteile des erfindungsgemäßen Antriebes bestehen darin, daß auf der Nockenwelle ein einziges Rad von kleinen Abmessungen sitzt,The advantages of the drive according to the invention are that a single wheel of small dimensions sits on the camshaft,
das keine unerwünschten Belastungen des Nockenwellenlagers hervorruft, wodurch deren Lebensdauer gesteigert wird. Es ist nicht nötig, fUr den Antrieb der Servopumpe und des Kompressors besondere Ge» triebe vorzusehen, sondern zu deren Antrieb wird das Zahnrad der Einspritzpumpe benutzt.that does not cause any undesirable loads on the camshaft bearing, which increases its service life. It is not necessary, Special gears are to be provided for driving the servo pump and the compressor, but the gearwheel is used to drive them Injection pump used.
7501456 26.81767501456 26.8176
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CS46674A CS169211B1 (en) | 1974-01-24 | 1974-01-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE7501456U true DE7501456U (en) | 1976-02-26 |
Family
ID=5336780
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19752502033 Pending DE2502033A1 (en) | 1974-01-24 | 1975-01-20 | CAMSHAFT DRIVE FOR A COMBUSTION ENGINE |
DE19757501456 Expired DE7501456U (en) | 1974-01-24 | 1975-01-20 | CAMSHAFT DRIVE FOR A COMBUSTION ENGINE |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19752502033 Pending DE2502033A1 (en) | 1974-01-24 | 1975-01-20 | CAMSHAFT DRIVE FOR A COMBUSTION ENGINE |
Country Status (3)
Country | Link |
---|---|
CS (1) | CS169211B1 (en) |
DE (2) | DE2502033A1 (en) |
GB (1) | GB1474672A (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4563985A (en) * | 1983-03-15 | 1986-01-14 | Dr. Ing. H.C.F. Porsche Aktiengesellschaft | Cam shaft drive of an internal combustion engine |
DE3309376C1 (en) * | 1983-03-16 | 1984-11-08 | Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart | Camshaft drive of an internal combustion engine |
DE3804575A1 (en) * | 1988-02-13 | 1989-08-24 | Man Nutzfahrzeuge Gmbh | PTO OF AN INTERNAL COMBUSTION ENGINE FOR AN AIR PRESSER |
DE4032593A1 (en) * | 1990-10-13 | 1992-04-16 | Porsche Ag | PISTON PISTON ENGINE WITH WHEEL DRIVE |
DE19853635A1 (en) * | 1998-11-20 | 2000-05-25 | Volkswagen Ag | Spur gear camshaft drive for an internal combustion engine |
JP3965062B2 (en) * | 2002-03-06 | 2007-08-22 | 日野自動車株式会社 | Fuel pump drive structure |
CN101424214A (en) * | 2007-10-31 | 2009-05-06 | 郑凌 | Internal combustion engine power distribution system |
US20090133653A1 (en) | 2007-11-26 | 2009-05-28 | Thomas Duzzie | Spur gear drive for an internal combustion engine |
GB2522850A (en) | 2014-02-05 | 2015-08-12 | Gm Global Tech Operations Inc | Timing drive of an internal combustion engine |
-
1974
- 1974-01-24 CS CS46674A patent/CS169211B1/cs unknown
-
1975
- 1975-01-20 DE DE19752502033 patent/DE2502033A1/en active Pending
- 1975-01-20 DE DE19757501456 patent/DE7501456U/en not_active Expired
- 1975-01-22 GB GB280575A patent/GB1474672A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1474672A (en) | 1977-05-25 |
DE2502033A1 (en) | 1975-07-31 |
CS169211B1 (en) | 1976-07-29 |
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