US3418994A - Internal combustion engine with cylinders arranged in v-configuration - Google Patents

Internal combustion engine with cylinders arranged in v-configuration Download PDF

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Publication number
US3418994A
US3418994A US645678A US64567867A US3418994A US 3418994 A US3418994 A US 3418994A US 645678 A US645678 A US 645678A US 64567867 A US64567867 A US 64567867A US 3418994 A US3418994 A US 3418994A
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Prior art keywords
internal combustion
combustion engine
driven
space
gear wheel
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Expired - Lifetime
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US645678A
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English (en)
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Freyn Fritz
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Individual
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    • 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
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
    • 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
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/02—Gas passages between engine outlet and pump drive, e.g. reservoirs
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • ABSTRACT OF THE DISCLOSURE An internal combustion engine with cylinders arranged in V-configuration and having a plurality of auxiliary machines located in the V-space between the cylinders, with a first group of such machines forming a structural unit and driven by a belt from the front end of the crankshaft and a second group of auxiliary machines located in the V-space and driven by a gear drive from the rear end of the crankshaft.
  • the invention relates to an internal combustion engine with cylinders arranged in V-configuration and auxiliary machines located in the V-space between the cylinders, part of the said machines being designed for friction drive and part for positive drive.
  • the cooling-air blower of the internal combustion engine occupies the front portion of the V-space and the fuel-injection pump designed as a serial pump is concentrically arranged in the rear portion of the V-space.
  • the shaft of the cooling-air blower is located on a higher level than the shaft of the fuel-injection pump and carries a gear wheel on its end facing the injection pump, the said gear wheel being in gear with an idler located at the end of the pump shaft.
  • Another gear wheel provided at the shaft end of the injection pump is in gear with a driven gear wheel arranged on the camshaft in the proximity of one of the inner crankshaft bearings.
  • the object of the invention to provide a V-type internal combustion engine particularly suitable for incorporation in automotive vehicles and having a low overall height and a short overall length with all of its auxiliary machines included.
  • the friction-driven auxiliary machines form an assembly jointly driven from the front end of the crankshaft, and extending from the front end of the internal combustion engine over part of the V-space, whereas the positively driven auxiliary devices are located in the driven-side portion of the V-space and driven by the driven-side end of the crankshaft via a transmission gear, one intermediate shaft of which is the camshaft.
  • auxiliary machines make it possible for the auxiliary machines to be accommodated in a space-saving manner ensuring easy access thereto, practically entirely within the area of the internal combustion engine defined by the minimum space required for the driving gearing, cylinders and valve gear.
  • the separate grouping of the auxiliary machines providing two individually driven assemblies also offers the possibility of simplifying the design of the driving systems required for the two assemblies.
  • the invention is particularly suitable for application in connection with an automotive internal combustion engine comprising a brake-air compressor, a pump for the hydraulic system, a water pump, fan and dynamo.
  • the available V-space is most advantageously utilized by arranging thec ompressor at the front end of the internal combustion engine concentrically in front of the V-space and by providing a means for driving it jointly with the water pump located on the side of the cylinder block by means of the camshaft via a common V-belt drive, and by providing the compressor with a traversing shaft carrying the fan at its front end and a V-belt pulley at its rear end as a means for driving the dynamo located in the V-space behind the brake-air compressor and the adjacent pump of the hydraulic system via a common V-belt drive.
  • crankcase presenting a generally plane surface with few sections in the area of the V-space offers most convenient mounting possibilities for the auxiliary machines which can be individually attached to the crankcase by means of brackets so as to be readily removable and easily accessible from the top of the internal combustion engine.
  • an internal combustion engine comprising a fuel-injection pump located in the V-space can be provided with a separately arranged double gear wheel inserted in the transmission gearing between the crankshaft and the camshaft, the major Wheel of the said double gearing mating with the crankshaft driven gear of equal size, whereas the minor gear wheel meshes with the double-toothed camshaft timing gear in which the fuel-injection pump driving gear of equal size also engages.
  • This type of gearing makes it possible for the driving shaft of the fuel-injection pump to be located in the V-space at a rather low level, since due to the interpolation of the double gearing the diameter of the camshaft timing gear and consequently, the distance between the camshaft and the pump shaft can be very small.
  • the camshaft timing gear were in direct mesh with the driven gear wheel of the crankshaft, it would be difficult, in view of the required 1:2 gear ratio, to mount the comparatively small-sized driven gear wheel on the crankshaft because of the large flywheel flange which has to be installed in that place.
  • the large camshaft timing gear would neces sitate an excessive distance between the camshaft and the pump shaft.
  • the fuelinjection pump of the internal combustion machine of the type hereabove described is preferably V-shaped.
  • Such a fuel-injection pump closely follows the form of the V-space and is moreover, of a very short overall length so that the arrangement of the auxiliary machines according to the invention is readily applicable also to internal combustion engines comprising only four cylinders arranged in V-configuration.
  • a distributor injection pump can be driven by'the same gear wheel resulting in an equally space-saving design.
  • Fuel-injection pumps of this type are usually designed as flanged-on pumps which can be mounted on the crankcase in a particularly simple manner.
  • FIG. 1 is a side elevation of an internal combustion engine comprising six cylinders arranged in V-configuration with several details shown in transverse section,
  • FIG. 2 is a front view and FIG. 3 a rear view of the internal combustion engine shown in FIG. 1 on an enlarged scale.
  • the internal combustion engine shown is an automotive engine equipped with a brake-air compressor and a pump for the operation of hydraulic servo-mechanisms such as a servo-valve gear.
  • auxiliary machines are accommodated in the V-space between the two cylinder blocks 2 and 3 mounted on the crankcase 1 side by side in V-configuration in such a manner that all friction driven units are so arranged as to form a single assembly extending from the front end of the internal combustion engine over part of the V space 4.
  • This assembly includes a brake-air compressor 5 preferably comprising two air-cooled cylinders arranged in V-configuration and concentrically flanged to the front end of the crankcase 1 and partly located in the V-space.
  • the brake-air compressor 5 also comprises a traversing shaft 6 the front end of which carries a V-belt pulley 7 and the impeller 8 of the cooling blower of the internal combustion engine preceding the former.
  • Another V-belt "pulley 9 is located at the other end of the shaft 6 of the compressor 5.
  • the brake-air compressor 5 is driven jointly with the water pump mounted on the side of the crankcase 1 on a rocker arm 14 via V-belts 10, 11 by means of a V-belt pulley 13 secured by a wedge to the front end of the crankshaft 12 of the engine.
  • a bracket 18 Mounted side by side in the V-space 4 behind the brakeair compressor 5 by means of a bracket 18 are the dynamo 16 and the pump 17 of the hydraulic system with their axes extending in parallel relation to the longitudinal axis of the engine.
  • These two auxiliary machines each of which carries a V-belt pulley 20 and 21 respectively, at the front end of its shaft, are driven by means of the pulley 9 mounted at the end of the shaft 6 via a V-belt 19.
  • the dynamo 16 is orientable and can be fixed by means of a tightening screw 23 located in a guiding slot 22.
  • the positively driven auxiliary machines including in the present instance a fuelinjection pump 24 designed as a flanged-on pump comprising pump elements arranged in V-configuration, are driven jointly with the camshaft 25 by the driven-side end of the crankshaft 12.
  • the spur gear system provided for that purpose and accommodated in the gearbox 26 differs from conventional types of valve gears insofar as an intermediate shaft 27 with a double gear wheel 28, 29 is provided between the crankshaft 12 and the camshaft 25,
  • the major wheel 28 of this double gear wheel meshes with the driven gear wheel 30 of the crankshaft 12 of equal size, whereas the minor wheel 29 meshes with the driving gear wheel 31 of the camshaft 25 having twice as many teeth, the latter Wheel 31 being in mesh with the driving gear wheel 32 of the injection pump 24 having the same number of teeth.
  • the diameter of the driven gear Wheel 30 is of adequate size in view of the connection flange of the flywheel 33 on the one hand, and it is possible to keep the diameters of the driving gear wheels 31 and 32 of equal size, and consequently, the distance between the camshaft 25 and the shaft of the injection pump 24 very small, on the other hand.
  • the gear wheels 28, 30, 31 and 32 it is possible for the gear wheels 28, 30, 31 and 32 to have the same diameter, which is a considerable advantage productionwise.
  • the injection pump 24 can be sunk very deeply in the V-space as shown in FIG. 1.
  • a water-cooled internal combustion engine with cylinders arranged in and defining a space of V-configuration and having a common camshaft located at an equal distance from the cylinders comprising a plurality of auxiliary machines located in the V-space between the cylinders, a first group of the said auxiliary machines forming a structural unit extending from the front end of the internal combustion engine over part of the V-space and driven by a V-shaped belt drive from the front end of the crankshaft, a second group of auxiliary machines located at the driven end of the V-space and driven by means of a gear drive from the rear end of the crankshaft, the said camshaft defining an intermediate shaft of the said gear drive, the said first group of auxiliary machines comprising a brake-air compressor located at the front end of the internal combustion engine centrally in front of the V-space, a water pump located on the side of the cylinder block, the brake-air compressor and the water pump being driven by a V-belt drive, the brake-air compressor having a traversing shaft,

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Supercharger (AREA)
US645678A 1966-06-23 1967-06-13 Internal combustion engine with cylinders arranged in v-configuration Expired - Lifetime US3418994A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT601466A AT285246B (de) 1966-06-23 1966-06-23 Flüssigkeitsgekühlte Brennkrafmaschine mit in V-Form angeordneten Zylindern

Publications (1)

Publication Number Publication Date
US3418994A true US3418994A (en) 1968-12-31

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US (1) US3418994A (de)
AT (1) AT285246B (de)
DE (1) DE1576389A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4448159A (en) * 1981-02-16 1984-05-15 Honda Giken Kogyo Kabushiki Kaisha V-Type internal combustion engine
US4944264A (en) * 1988-11-15 1990-07-31 Nissan Motor Co., Ltd. Chain casing for engine
US5094203A (en) * 1990-10-13 1992-03-10 Dr. Ing. H.C.F. Porsche Ag Reciprocating engine for a motor vehicle
US20080066710A1 (en) * 2004-10-08 2008-03-20 Audi Ag Arrangement Of A Timing Case Cover
US8905801B1 (en) 2007-12-31 2014-12-09 Brp Us Inc. Marine outboard motor

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3012080A1 (de) * 1980-03-28 1981-10-08 Wabco Fahrzeugbremsen Gmbh, 3000 Hannover Aggregat, insbesondere verdichter fuer druckluftanlagen
DE102006039681B4 (de) * 2006-08-24 2010-08-05 Audi Ag V-Hubkolben-Verbrennungsmotor mit Trockensumpfbehälter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB688069A (en) * 1950-10-16 1953-02-25 List Hans An improved two-stroke diesel engine
GB689660A (en) * 1950-10-25 1953-04-01 Graef & Stift Automobilfabrik Improvements in and relating to driving gear for accessories mounted on internal-combustion engines
GB714236A (en) * 1951-12-06 1954-08-25 Hovalwerk Ag Ospelt Two-stroke internal combustion engine with rows of cylinders in v-formation
US2926643A (en) * 1954-06-28 1960-03-01 Gen Motors Corp Engine distributor and cylinder arrangement
DE1079888B (de) * 1956-06-07 1960-04-14 Kloeckner Humboldt Deutz Ag Schlitzgesteuerte Zweitakt-Einspritzbrennkraftmaschine mit in V-Form angeordneten Zylinderreihen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB688069A (en) * 1950-10-16 1953-02-25 List Hans An improved two-stroke diesel engine
GB689660A (en) * 1950-10-25 1953-04-01 Graef & Stift Automobilfabrik Improvements in and relating to driving gear for accessories mounted on internal-combustion engines
GB714236A (en) * 1951-12-06 1954-08-25 Hovalwerk Ag Ospelt Two-stroke internal combustion engine with rows of cylinders in v-formation
US2926643A (en) * 1954-06-28 1960-03-01 Gen Motors Corp Engine distributor and cylinder arrangement
DE1079888B (de) * 1956-06-07 1960-04-14 Kloeckner Humboldt Deutz Ag Schlitzgesteuerte Zweitakt-Einspritzbrennkraftmaschine mit in V-Form angeordneten Zylinderreihen

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4448159A (en) * 1981-02-16 1984-05-15 Honda Giken Kogyo Kabushiki Kaisha V-Type internal combustion engine
US4944264A (en) * 1988-11-15 1990-07-31 Nissan Motor Co., Ltd. Chain casing for engine
US5094203A (en) * 1990-10-13 1992-03-10 Dr. Ing. H.C.F. Porsche Ag Reciprocating engine for a motor vehicle
DE4032591A1 (de) * 1990-10-13 1992-04-16 Porsche Ag Hubkolbenmotor fuer ein kraftfahrzeug
US20080066710A1 (en) * 2004-10-08 2008-03-20 Audi Ag Arrangement Of A Timing Case Cover
US7597082B2 (en) * 2004-10-08 2009-10-06 Audi Ag Arrangement of a timing case cover
US8905801B1 (en) 2007-12-31 2014-12-09 Brp Us Inc. Marine outboard motor

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Publication number Publication date
DE1576389A1 (de) 1970-03-19
AT285246B (de) 1970-10-27

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