Douvrin engine
Encyclopedia
The Douvrin family was an all-aluminum straight-4
Straight-4
The inline-four engine or straight-four engine is an internal combustion engine with all four cylinders mounted in a straight line, or plane along the crankcase. The single bank of cylinders may be oriented in either a vertical or an inclined plane with all the pistons driving a common crankshaft....

 automobile
Automobile
An automobile, autocar, motor car or car is a wheeled motor vehicle used for transporting passengers, which also carries its own engine or motor...

 engine designed in the early 1970s and produced from 1977 to 1996 by Compagnie Française de Mécanique, a joint-venture between Peugeot
Peugeot
Peugeot is a major French car brand, part of PSA Peugeot Citroën, the second largest carmaker based in Europe.The family business that precedes the current Peugeot company was founded in 1810, and manufactured coffee mills and bicycles. On 20 November 1858, Emile Peugeot applied for the lion...

 and Renault
Renault
Renault S.A. is a French automaker producing cars, vans, and in the past, autorail vehicles, trucks, tractors, vans and also buses/coaches. Its alliance with Nissan makes it the world's third largest automaker...

 located in the town of Douvrin
Douvrin
Douvrin is a commune in the Pas-de-Calais department in the Nord-Pas-de-Calais region of France.-Geography:An ex-coalmining town some east of Béthune and southwest of Lille, at the junction of the D165, the D163 and the N47 roads...

 in northern France
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

. It was produced in the same factory as the PRV V6
PRV engine
The PRV engine is an automobile petrol V6 engine that was developed jointly by Peugeot, Renault and Volvo Cars – and sold from 1974 to 1998. It was gradually replaced after 1994 by another joint PSA-Renault design, known as the ES engine at PSA and the L engine at Renault.-Corporate history:The...

, which also is sometimes known outside France as the "Douvrin" V6.

Douvrin "Suitcase Engine"

Constructed from aluminium alloy, chain driven overhead camshaft
Overhead camshaft
Overhead cam valvetrain configurations place the engine camshaft within the cylinder heads, above the combustion chambers, and drive the valves or lifters in a more direct manner compared to overhead valves and pushrods...

, with gearbox in the sump
Sump
A sump is a low space that collects any often-undesirable liquids such as water or chemicals. A sump can also be an infiltration basin used to manage surface runoff water and recharge underground aquifers....

 sharing engine oil for lubrication, typically mounted almost on its side. It was available with versions from 954cc to 1360cc.

2.0

The 2.0 L (1995 cc) was an oversquare design with a single overhead camshaft
Overhead camshaft
Overhead cam valvetrain configurations place the engine camshaft within the cylinder heads, above the combustion chambers, and drive the valves or lifters in a more direct manner compared to overhead valves and pushrods...

, an 88 mm (3.5 in) bore, and an 82 mm (3.2 in) stroke
Stroke
A stroke, previously known medically as a cerebrovascular accident , is the rapidly developing loss of brain function due to disturbance in the blood supply to the brain. This can be due to ischemia caused by blockage , or a hemorrhage...

. It was produced in a variety of configurations:
  • normally aspirated 8-valve, single-barrel carburetor
    Carburetor
    A carburetor , carburettor, or carburetter is a device that blends air and fuel for an internal combustion engine. It is sometimes shortened to carb in North America and the United Kingdom....

    , 90 PS, from 1978 to 1993 (specific to Renault
    Renault
    Renault S.A. is a French automaker producing cars, vans, and in the past, autorail vehicles, trucks, tractors, vans and also buses/coaches. Its alliance with Nissan makes it the world's third largest automaker...

    )
  • normally aspirated 8-valve, double-barrel carburetor
    Carburetor
    A carburetor , carburettor, or carburetter is a device that blends air and fuel for an internal combustion engine. It is sometimes shortened to carb in North America and the United Kingdom....

    , 103 PS, from 1977 to 1992 (used by Renault
    Renault
    Renault S.A. is a French automaker producing cars, vans, and in the past, autorail vehicles, trucks, tractors, vans and also buses/coaches. Its alliance with Nissan makes it the world's third largest automaker...

     and PSA
    PSA Peugeot Citroën
    PSA Peugeot Citroën is a French manufacturer of automobiles and motorcycles sold under the Peugeot and Citroën marques. Headquartered in the 16th arrondissement of Paris, PSA is the second largest automaker based in Europe and the number eight in the world.-History:In December 1974 Peugeot S.A....

    )
  • normally aspirated 8-valve, multipoint fuel injection
    Fuel injection
    Fuel injection is a system for admitting fuel into an internal combustion engine. It has become the primary fuel delivery system used in automotive petrol engines, having almost completely replaced carburetors in the late 1980s....

    , 120 PS (107 with catalytic converter
    Catalytic converter
    A catalytic converter is a device used to convert toxic exhaust emissions from an internal combustion engine into non-toxic substances. Inside a catalytic converter, a catalyst stimulates a chemical reaction in which noxious byproducts of combustion are converted to less toxic substances by dint...

    ), from 1986 to 1996 (specific to Renault
    Renault
    Renault S.A. is a French automaker producing cars, vans, and in the past, autorail vehicles, trucks, tractors, vans and also buses/coaches. Its alliance with Nissan makes it the world's third largest automaker...

    )
  • normally aspirated 12-valve
    Multi-valve
    In automotive engineering a multi-valve or multivalve engine is one where each cylinder has more than two valves. A multi-valve engine has better breathing and can operate at higher revolutions per minute than a two-valve engine, delivering more power.- Multi-valve rationale :A multi-valve design...

    , multipoint fuel injection
    Fuel injection
    Fuel injection is a system for admitting fuel into an internal combustion engine. It has become the primary fuel delivery system used in automotive petrol engines, having almost completely replaced carburetors in the late 1980s....

    , 140 PS, from 1989 to 1996 (specific to Renault
    Renault
    Renault S.A. is a French automaker producing cars, vans, and in the past, autorail vehicles, trucks, tractors, vans and also buses/coaches. Its alliance with Nissan makes it the world's third largest automaker...

    )
  • turbocharged
    Turbocharger
    A turbocharger, or turbo , from the Greek "τύρβη" is a centrifugal compressor powered by a turbine that is driven by an engine's exhaust gases. Its benefit lies with the compressor increasing the mass of air entering the engine , thereby resulting in greater performance...

     8-valve, multipoint fuel injection
    Fuel injection
    Fuel injection is a system for admitting fuel into an internal combustion engine. It has become the primary fuel delivery system used in automotive petrol engines, having almost completely replaced carburetors in the late 1980s....

    , 175 PS (162 with catalytic converter
    Catalytic converter
    A catalytic converter is a device used to convert toxic exhaust emissions from an internal combustion engine into non-toxic substances. Inside a catalytic converter, a catalyst stimulates a chemical reaction in which noxious byproducts of combustion are converted to less toxic substances by dint...

    ), from 1987 to 1993 (specific to Renault
    Renault
    Renault S.A. is a French automaker producing cars, vans, and in the past, autorail vehicles, trucks, tractors, vans and also buses/coaches. Its alliance with Nissan makes it the world's third largest automaker...

    )


Though somewhat dull (with a 6,000 rpm redline
Redline
Redline refers to the maximum engine speed at which an internal combustion engine or traction motor and its components are designed to operate without causing damage to the components themselves or other parts of the engine...

 only) and slow to throttle response, the normally aspirated 8-valve versions proved extremely reliable. Mileages of over 300000 km (186,411.8 mi) without major repairs are not uncommon. The 12-valvers are much livelier and also boast above-average reliability. The turbocharged versions have only average reliability.

Applications:
  • Citroën CX
    Citroën CX
    The Citroën CX is an automobile produced by the French automaker Citroën from 1974 to 1991. Citroën sold nearly 1.2 million CXs during its 16 years of production. The CX was voted European Car of the Year in 1975....

  • Renault 18
    Renault 18
    The Renault 18 is a large family car produced by French manufacturer Renault between 1978 and 1993 .-Development:...

  • Renault 20
  • Renault 21
    Renault 21
    The Renault 21 is a large family car produced by French automaker Renault between 1986 and 1994. It was also sold in North America through American Motors dealers as the Renault Medallion and the Eagle Medallion...

  • Renault 25
    Renault 25
    The Renault 25 is an executive car produced by the French automaker Renault from 1983 to 1992. During its time, the 25 was Renault's flagship, the most expensive, prestigious, and largest vehicle in the company's line-up. It placed second in the 1985 European Car of the Year contest...

  • Renault Safrane
    Renault Safrane
    The Renault Safrane was an executive car designed and built by the French manufacturer Renault from 1992 to 2000. Throughout its lifespan it remained the most expensive and most luxurious Renault available...

  • Renault Espace
    Renault Espace
    The Renault Espace is a large MPV from French car-maker Renault. Generations 1-3 were sold under the Renault brand but manufactured by Matra. The current fourth generation model, which seats seven passengers, is an all-Renault product; the Renault Grand Espace is a long-wheelbase version with...

  • Renault Fuego
    Renault Fuego
    The Renault Fuego is a four-seater, three-door hatchback produced by French automaker Renault from 1980 to 1992, replacing the Renault 15 and 17 coupés of the 1970s.- Development :...

  • Renault Trafic
    Renault Trafic
    The current Trafic resulted from a joint venture between German Opel, Japanese Nissan and French Renault. It is also sold as an Opel Vivaro, Vauxhall Vivaro and by Nissan as the Primastar....

  • Peugeot 505
    Peugeot 505
    The Peugeot 505 is a large family car produced by the French manufacturer Peugeot from 1979 to 1992 in Sochaux, France. The 505 was Peugeot's last rear-wheel drive car...


2.2

The 2.2 L (2165 cc) version was derived from the 2.0 L by a simple stroke
Stroke
A stroke, previously known medically as a cerebrovascular accident , is the rapidly developing loss of brain function due to disturbance in the blood supply to the brain. This can be due to ischemia caused by blockage , or a hemorrhage...

 extension from 82 to 89 mm (3.5 in), making it an undersquare design. Most parts, including the cylinder head
Cylinder head
In an internal combustion engine, the cylinder head sits above the cylinders on top of the cylinder block. It closes in the top of the cylinder, forming the combustion chamber. This joint is sealed by a head gasket...

, were identical to the 2.0 L's. It was produced in fewer configurations than the smaller version:
  • normally aspirated 8-valve, double-barrel carburetor
    Carburetor
    A carburetor , carburettor, or carburetter is a device that blends air and fuel for an internal combustion engine. It is sometimes shortened to carb in North America and the United Kingdom....

    , 110 PS, from 1977 to 1992 (used by Renault
    Renault
    Renault S.A. is a French automaker producing cars, vans, and in the past, autorail vehicles, trucks, tractors, vans and also buses/coaches. Its alliance with Nissan makes it the world's third largest automaker...

     and PSA
    PSA Peugeot Citroën
    PSA Peugeot Citroën is a French manufacturer of automobiles and motorcycles sold under the Peugeot and Citroën marques. Headquartered in the 16th arrondissement of Paris, PSA is the second largest automaker based in Europe and the number eight in the world.-History:In December 1974 Peugeot S.A....

    )
  • normally aspirated 8-valve, multipoint fuel injection
    Fuel injection
    Fuel injection is a system for admitting fuel into an internal combustion engine. It has become the primary fuel delivery system used in automotive petrol engines, having almost completely replaced carburetors in the late 1980s....

    , 123 PS (110 with catalytic converter
    Catalytic converter
    A catalytic converter is a device used to convert toxic exhaust emissions from an internal combustion engine into non-toxic substances. Inside a catalytic converter, a catalyst stimulates a chemical reaction in which noxious byproducts of combustion are converted to less toxic substances by dint...

    ), from 1983 to 1996 (specific to Renault
    Renault
    Renault S.A. is a French automaker producing cars, vans, and in the past, autorail vehicles, trucks, tractors, vans and also buses/coaches. Its alliance with Nissan makes it the world's third largest automaker...

    )
  • normally aspirated 12-valve
    Multi-valve
    In automotive engineering a multi-valve or multivalve engine is one where each cylinder has more than two valves. A multi-valve engine has better breathing and can operate at higher revolutions per minute than a two-valve engine, delivering more power.- Multi-valve rationale :A multi-valve design...

    , multipoint fuel injection
    Fuel injection
    Fuel injection is a system for admitting fuel into an internal combustion engine. It has become the primary fuel delivery system used in automotive petrol engines, having almost completely replaced carburetors in the late 1980s....

    , 140 PS, from 1989 to 1996 (specific to Renault
    Renault
    Renault S.A. is a French automaker producing cars, vans, and in the past, autorail vehicles, trucks, tractors, vans and also buses/coaches. Its alliance with Nissan makes it the world's third largest automaker...

    )


This engine proved as reliable as its 2.0 L counterpart. It is often confused with the somewhat similar Simca Type 180
Simca Type 180
The Type 180 is an automobile straight-4 engine produced in the 1970s. It was an OHC design.-1.6/1.8:These engines were used in the Chrysler 160/180, a car also sold under a multiplicity of other names.Applications:...

, which displaced 2155 cc.

Applications:
  • Citroën CX
    Citroën CX
    The Citroën CX is an automobile produced by the French automaker Citroën from 1974 to 1991. Citroën sold nearly 1.2 million CXs during its 16 years of production. The CX was voted European Car of the Year in 1975....

  • Renault Medallion
  • Eagle Medallion
    Eagle Medallion
    The Eagle Medallion was a rebadged and re-engineered North American version of the French Renault 21. While the cars were built on the same platform, the French market 21 and the American market Medallion differed in features, powertrain availability, frontal styling, and trims...

  • Renault Fuego
    Renault Fuego
    The Renault Fuego is a four-seater, three-door hatchback produced by French automaker Renault from 1980 to 1992, replacing the Renault 15 and 17 coupés of the 1970s.- Development :...

  • Renault 20
  • Renault 25
    Renault 25
    The Renault 25 is an executive car produced by the French automaker Renault from 1983 to 1992. During its time, the 25 was Renault's flagship, the most expensive, prestigious, and largest vehicle in the company's line-up. It placed second in the 1985 European Car of the Year contest...

  • Renault Safrane
    Renault Safrane
    The Renault Safrane was an executive car designed and built by the French manufacturer Renault from 1992 to 2000. Throughout its lifespan it remained the most expensive and most luxurious Renault available...

  • Renault Master
    Renault Master
    Renault Master is the name used by French vehicle manufacturer Renault for its upper-medium size van — similar in size to the largest models of the more common Ford Transit....

  • Peugeot 505
    Peugeot 505
    The Peugeot 505 is a large family car produced by the French manufacturer Peugeot from 1979 to 1992 in Sochaux, France. The 505 was Peugeot's last rear-wheel drive car...

  • Winnebago LeSharo (built on Trafic chassis and cab)
  • Itasca Phasar (built on Trafic chassis and cab)

2.1 Diesel

The 2.1 L (2068 cc) Diesel
Diesel engine
A diesel engine is an internal combustion engine that uses the heat of compression to initiate ignition to burn the fuel, which is injected into the combustion chamber...

 version was derived from the 2.0 L petrol version by a bore reduction from 88 to 86 mm (3.4 in) and a stroke
Stroke
A stroke, previously known medically as a cerebrovascular accident , is the rapidly developing loss of brain function due to disturbance in the blood supply to the brain. This can be due to ischemia caused by blockage , or a hemorrhage...

 extension from 82 to 89 mm (3.5 in). Cast-iron cylinder liners were used to withstand the higher cylinder pressure of Diesel combustion. The cylinder head
Cylinder head
In an internal combustion engine, the cylinder head sits above the cylinders on top of the cylinder block. It closes in the top of the cylinder, forming the combustion chamber. This joint is sealed by a head gasket...

 was of course specific and was a Ricardo-type prechamber design fed by a mechanically controlled fuel pump. This engine was only used by Renault
Renault
Renault S.A. is a French automaker producing cars, vans, and in the past, autorail vehicles, trucks, tractors, vans and also buses/coaches. Its alliance with Nissan makes it the world's third largest automaker...

 in three versions:
  • normally aspirated 8-valve, 65 PS, from 1980 to 1992
  • turbocharged
    Turbocharger
    A turbocharger, or turbo , from the Greek "τύρβη" is a centrifugal compressor powered by a turbine that is driven by an engine's exhaust gases. Its benefit lies with the compressor increasing the mass of air entering the engine , thereby resulting in greater performance...

     8-valve, 88 PS, from 1982 to 1992
  • turbocharged
    Turbocharger
    A turbocharger, or turbo , from the Greek "τύρβη" is a centrifugal compressor powered by a turbine that is driven by an engine's exhaust gases. Its benefit lies with the compressor increasing the mass of air entering the engine , thereby resulting in greater performance...

     8-valve with variable-nozzle turbocharger
    Turbocharger
    A turbocharger, or turbo , from the Greek "τύρβη" is a centrifugal compressor powered by a turbine that is driven by an engine's exhaust gases. Its benefit lies with the compressor increasing the mass of air entering the engine , thereby resulting in greater performance...

    , 92 PS, from 1990 to 1996


Reliability of all Diesel versions has been outstanding, surpassing even that of the 2.0 L petrol version.

Applications:
  • Renault 18
    Renault 18
    The Renault 18 is a large family car produced by French manufacturer Renault between 1978 and 1993 .-Development:...

  • Renault 20
  • Renault 21
    Renault 21
    The Renault 21 is a large family car produced by French automaker Renault between 1986 and 1994. It was also sold in North America through American Motors dealers as the Renault Medallion and the Eagle Medallion...

  • Renault 25
    Renault 25
    The Renault 25 is an executive car produced by the French automaker Renault from 1983 to 1992. During its time, the 25 was Renault's flagship, the most expensive, prestigious, and largest vehicle in the company's line-up. It placed second in the 1985 European Car of the Year contest...

  • Renault 30
  • Renault Fuego
    Renault Fuego
    The Renault Fuego is a four-seater, three-door hatchback produced by French automaker Renault from 1980 to 1992, replacing the Renault 15 and 17 coupés of the 1970s.- Development :...

  • Renault Safrane
    Renault Safrane
    The Renault Safrane was an executive car designed and built by the French manufacturer Renault from 1992 to 2000. Throughout its lifespan it remained the most expensive and most luxurious Renault available...

  • Renault Espace
    Renault Espace
    The Renault Espace is a large MPV from French car-maker Renault. Generations 1-3 were sold under the Renault brand but manufactured by Matra. The current fourth generation model, which seats seven passengers, is an all-Renault product; the Renault Grand Espace is a long-wheelbase version with...

  • Renault Trafic
    Renault Trafic
    The current Trafic resulted from a joint venture between German Opel, Japanese Nissan and French Renault. It is also sold as an Opel Vivaro, Vauxhall Vivaro and by Nissan as the Primastar....

  • Renault Master
    Renault Master
    Renault Master is the name used by French vehicle manufacturer Renault for its upper-medium size van — similar in size to the largest models of the more common Ford Transit....

  • Winnebago Lesharo (built on Trafic chassis and cab)
  • Itasca Phasar (built on Trafic chassis and cab)
  • Jeep Cherokee
    Jeep Cherokee (XJ)
    The Jeep Cherokee is a unibody compact SUV. It shared the name of the original full-size SJ model, but without a body-on-frame chassis, it set the stage for the modern SUV. Its innovative appearance and sales popularity spawned important imitators as other automakers began to notice that this...

  • Jeep Comanche
    Jeep Comanche
    The Jeep Comanche is a pickup truck version of the Cherokee compact SUV that was produced from 1985 to 1992. Rear wheel and four-wheel drive models were available, as well as two cargo box lengths of six-feet or seven-feet .-Introduction:During the mid-1980s, according to AMC Chairman W...

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK