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Reciprocating internal combustion engine From Wikipedia, the free encyclopedia
The K-Type is a family of inline-4 automobile engines developed and produced by Renault since 1995. This is an internal combustion engine, four-stroke, with 4 cylinders in line bored directly into the iron block, water cooled, with overhead camshaft(s) driven by a toothed timing belt and an aluminium cylinder head. This engine is available in petrol and diesel versions, with 8 or 16 valves.
| K-Type engine | |
|---|---|
| |
| Overview | |
| Manufacturer | Renault |
| Production | 1995–present |
| Layout | |
| Configuration | Inline-4 |
| Displacement | 1.4 L (1,390 cc) 1.5 L (1,461 cc) 1.6 L (1,598 cc) |
| Cylinder bore | 79.5 mm (3.13 in) 76 mm (2.99 in) |
| Piston stroke | 70 mm (2.76 in) 80.5 mm (3.17 in) |
| Cylinder block material | Cast iron |
| Cylinder head material | Aluminium |
| Valvetrain | SOHC 2 or DOHC 4 valves x cyl. |
| RPM range | |
| Idle speed | 850 rpm |
| Max. engine speed | 6750 rpm (max : 7000 rpm) |
| Combustion | |
| Turbocharger | BorgWarner Variable-geometry (on some versions) |
| Fuel system | Multi-point fuel injection Common rail Direct injection |
| Fuel type | Petrol, Diesel |
| Cooling system | Water-cooled |
| Output | |
| Power output | 55–99 kW (75–135 PS; 74–133 hp) |
| Torque output | 160–260 N⋅m (118–192 lb⋅ft) |
| Chronology | |
| Predecessor | Renault Energy engine |
The K-Type engine is an evolution of the Energy engine, itself derived from the Cléon-Fonte engine in which a hemispherical head incorporating a camshaft driven by a toothed timing belt was fitted. The K-Type engine is the ultimate evolution of the Cléon-Fonte engine. The main modification of the K-Type engine is the use of non-removable cylinder liners. The first K-Type appeared on the Mégane with a capacity of 1.6 L (1,598 cc).[1]
In 1998, a 16-valve derivative of the K7M engine appeared in the Renault Laguna Phase 2, named the K4M. This new engine replaced the 1.8 litre F-Type engine fitted to the Laguna Phase 1.
The specificity of K4J and K4M engines is that they have a 16-valve cylinder head, similar to the F4P and F4R versions of F-Type engine, over the K4J and K4M engines share the same distribution kit and even water pump that the F-Type engine 16 valves (F4P and F4R).
The K9K engine - diesel version with 1.5 L (1,461 cc) - appeared on the Clio 2 Phase 2, to replace the 1.9 D ("F-Type engine"). This engine is equipped with high-pressure direct injection common-rail.
The KxJ displaces 1.4 L (1,390 cc). It is an evolution from Renault Energy ExJ.
| Technical specifications | |
|---|---|
| Displacement | 1.4 L (1,390 cc) |
| Bore x Stroke | 79.5 mm × 70 mm (3.13 in × 2.76 in)[2] |
| Total number of valves | 8/16 |
| Compression ratio | 9.5:1 / 10:1 |
| Max. power | 55 kW (75 PS; 74 hp) / 72 kW (98 PS; 97 hp) |
| Type of fuel injection | MPi |
| Fuel type | petrol |
| Catalytic converter | present |
| Oil capacity | 3.5 L (3.7 US qt; 3.1 imp qt) |
| Recommended engine oil | 5w30[3] |
| Engine code | Power | Year(s) | Car(s) |
|---|---|---|---|
| K7J 700 | 55 kW (75 PS; 74 hp) 5500 rpm | 1997–2003 | Renault Clio Renault Kangoo |
| K7J 710 | 2004–2010 2008–2010 | Dacia Logan Dacia Sandero[4] | |
| K7J 714 (LPG E4) | 2007–2010 2008–2010 |
Starting 2011 Dacia replaced the old KxJ with Euro 5 1.0 (16 valves), 1.2 (16 valves) and 1.6-litre engines.[5]
| Engine code | Power | Year(s) | Car(s) |
|---|---|---|---|
| K4J 700/714/750 | 70 to 72 kW (95 to 98 PS; 94 to 97 hp) at 6000 rpm | 1999–2008 | Renault Clio II Renault Mégane Renault Scénic Renault Scénic II |
| K4J 730/732/740 | 60 to 72 kW (82 to 98 PS; 80 to 97 hp) at 6000 rpm | 2003–2010 | Renault Mégane II Renault Scénic II |
| K4J 712/713 | 70 kW (95 PS; 94 hp) at 6000 rpm | Renault Clio II Renault Thalia II | |
| K4J 770/780 | 72 kW (98 PS; 97 hp) at 6000 rpm | 2004–2010 | Renault Clio III Renault Modus Renault Grand Modus |
| K4J 730 | 1999–2003 | Renault Scénic (I) |
The KxM engine has a displacement of 1.6 L (1,598 cc) featuring multi-point fuel injection and EGR emission control system fitted.
| Technical specifications | |
|---|---|
| Displacement | 1.6 L (1,598 cc) |
| Bore x Stroke | 79.5 mm × 80.5 mm (3.13 in × 3.17 in)[3] |
| Total number of valves | 8/16 |
| Max. power | 55–66 kW (75–90 PS; 74–89 hp)/ 70–85 kW (95–116 PS; 94–114 hp) |
| Type of fuel injection | MPi |
| Fuel type | petrol |
| Catalytic converter | present |
| Oil capacity | 4.5 L (4.8 US qt; 4.0 imp qt) |
| Recommended engine oil | 5w30[3] |
| Engine code | Power | Year(s) | Car(s) |
|---|---|---|---|
| K7M 410 (E4) | 64 kW (87 PS; 86 hp) 5500 rpm | 2012– | Lada Largus |
| K7M 702/703 | 66 kW (90 PS; 89 hp) 5000 rpm | 1995–1999 | Renault Mégane Renault Scénic |
| K7M 720 | 55 kW (75 PS; 74 hp) 5000 rpm | 1995–1999 | Renault Mégane Renault Scénic |
| K7M 790 | 66 kW (90 PS; 89 hp) 5000 rpm | 1996–1999 | Renault Mégane |
| K7M 744/745 | 66 kW (90 PS; 89 hp) 5250 rpm | 1998–2003 | Renault Clio II |
| K7M 710 | 64 kW (87 PS; 86 hp) 5500 rpm | 2004–2010 2008–2010 | Dacia Logan Dacia Sandero[4] |
| K7M 718 (LPG E4) | 64 kW (87 PS; 86 hp) 5500 rpm | 2007–2010 2008–2010 | Dacia Logan Dacia Sandero |
| K7M 764 (Flex-fuel) | 73 kW (99 PS; 98 hp) 5500 rpm | 2013– | Dacia Logan Dacia Sandero |
| K7M 800 | 62 kW (84 PS; 83 hp) 5250 rpm | 2011– | Dacia Logan Dacia Sandero |
| K7M 812 | 60 kW (82 PS; 80 hp) 5000 rpm | 2012– | Dacia Lodgy Dacia Dokker |
| K7M 818 (LPG E5) | 64 kW (87 PS; 86 hp) 5500 rpm | 2011–2012 | Dacia Logan Dacia Sandero |
| K7M 828 (LPG E5b) | 60 kW (82 PS; 80 hp) 5000 rpm | 2014– | Dacia Lodgy Dacia Dokker |
| Engine code | Power | Year(s) | Car(s) |
|---|---|---|---|
| K4M 490 | 77 kW (105 PS; 103 hp) 5750 rpm | 2012– | Lada Largus |
| K4M 69x | 66 to 77 kW (90 to 105 PS; 89 to 103 hp) at 5750 rpm | 2006– | Renault Kangoo II Dacia Logan Secma F16 |
| K4M 606 (4x4) | 77 kW (105 PS; 103 hp) at 5750 rpm | 2010–2013 | Dacia Duster |
| K4M 616 (LPG E5) | 2011–2013 | ||
| K4M 642 (LPG E5b) | 2014– | ||
| K4M 646 (4x4) | |||
| K4M 696 (Hi-flex) | 2010–2012 | Dacia Duster Dacia Logan Dacia Sandero | |
| K4M 70x | 71 to 81 kW (97 to 110 PS; 95 to 109 hp) at 5750 rpm | 1999– | Renault Mégane Renault Scénic Renault Clio II Renault Kangoo Renault Kangoo II Renault Laguna I |
| K4M 710 | 81 kW (110 PS; 109 hp) at 5750 rpm | 2001–2005 | Renault Laguna (II) |
| K4M 716 | 86 kW (117 PS; 115 hp) at 5750 rpm | 2006–2007 | Renault Laguna (II) |
| K4M 72x | 81 kW (110 PS; 109 hp) at 5750 rpm | 1998–2001 | Renault Laguna |
| K4M 782 | 90 kW (122 PS; 121 hp) at 5500 rpm | 2003–2009 | Renault Scénic (II)[6] |
| K4M 788 | 79 kW (107 PS; 106 hp) at 5750 rpm | 2002–2008 | Renault Mégane (II)[7] |
| K4M 812/813/858 | 86 kW (117 PS; 115 hp) at 6000 rpm | 2001– | Renault Mégane (II) (III)[8] |
| K4M 856 (flexfuel) | 77 kW (105 PS; 103 hp) at 5750 rpm | 2001–2009 | Renault Mégane Eco 2 (flexfuel) (II) |
| K4M 824 | 81 kW (110 PS; 109 hp) at 6000 rpm | 2007–2010 | Renault Laguna (III) |
| K4M 838 | 82 kW (111 PS; 110 hp) at 6000 rpm | 2010–2016 | Renault Fluence |
| K4M 848 | 74 kW (101 PS; 99 hp) at 5500 rpm | 2008– | Renault Mégane (III) |
| K4M RS (or 854) | 99 kW (135 PS; 133 hp) at 6750 rpm | Renault Twingo RS Renault Wind | |
| K4M 862 | 94 kW (128 PS; 126 hp) at 6750 rpm | 2009–2011 | Renault Clio GT (III) |
| Renault K-Type dCi | |
|---|---|
 | |
| Overview | |
| Manufacturer | Mercedes-Benz & Renault–Nissan–Mitsubishi Alliance |
| Also called | 1.5 dCi, 1.5 BluedCi (blue has lower emissions than K9K dCi), Mercedes-Benz OM607, Mercedes-Benz OM608 engine |
| Production | 2001–present |
| Layout | |
| Configuration | Inline-4 |
| Displacement | 1.5 L; 89.2 cu in (1,461 cc) |
| Cylinder bore | 76 mm (2.99 in) |
| Piston stroke | 80.5 mm (3.17 in) |
| Valvetrain | SOHC/2 valves x cyl. |
| Compression ratio | 15.2:1 |
| Combustion | |
| Turbocharger | Yes |
| Fuel system | Common rail direct injection |
| Management | Delphi Continental (ex Siemens) Bosch |
| Fuel type | Diesel |
| Cooling system | Water-cooled |
| Output | |
| Power output | 65–115 PS (48–85 kW; 64–113 hp) |
| Torque output | 160–260 N⋅m (118–192 lb⋅ft) |
| Chronology | |
| Predecessor | Renault F-Type engine |
| Successor | Renault R-Type engine |
The K9K is an automobile engine family – a group of straight-4 8-valve turbocharged Diesel engines co-developed by Nissan and/or Renault, and also Daimler AG (where it is called OM607). The turbochargers used with this engine are provided by Garrett and BorgWarner.[10] It has a displacement of 1461 cc and is called 1.5 dCi (direct Common-rail injection). Fuel injection systems were supplied by Delphi on the lower power level versions (up to 66 kW (90 PS; 89 hp) and by Continental (ex Siemens) on the higher power level versions (70 kW (95 PS; 94 hp) and higher). The Delphi injection systems have been replaced with Bosch ones in the Euro 5 versions.[citation needed]
There are three versions of this engine: a low power version, a high power version and a high power version with variable-geometry turbocharger.[11] Their maximum power output varies depending on the emission standards they meet.
In Euro 3 standards, their power levels are 65 PS (48 kW); 80 PS (59 kW); 100 PS (74 kW).
In Euro 4 standards, their power levels are 70 PS (51 kW); 85 PS (63 kW); 106 PS (78 kW).
In Euro 5 standards, their power levels are 75 PS (55 kW); 90 PS (66 kW); 110 PS (81 kW).[11] Torque outputs range from 160 to 260 N⋅m (118 to 192 lb⋅ft) at 1,750 rpm.
The engine has been in production since 2001, with over 10 million units sold as of April 2013. Improvements over this period have included coating the tappets to reduce friction by 40%; redesigning the injector spray angle, resulting in a 15% reduction of NOx during combustion and a small improvement in torque; and fitting new piston rings, reducing the tension on the belt-driving engine accessories and optimizing the dimensions of the base engine. The injection pattern has been altered to have two pilot injections over a wide operating range, reducing combustion noise by up to 3 decibels. Still newer technology also includes using a variable-pressure oil pump, and adding stop/start battery technology and low-pressure exhaust-gas recirculation. The K9K engine is produced in Bursa, Turkey; Chennai, India; and Valladolid, Spain. Emissions-wise, it emits as little 90 g (3.2 oz)/km of carbon dioxide.[12]
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