About 47 results
https://drivepatents.com/patents/1085774 · 7 Jul 2004
The invention relates to an internal combustion engine comprising a fuel injector (2) for each cylinder; a fuel injection control unit (4) for controlling fuel injection quantity and a piston (5) in each cylinder whose compression action causes a mixture o...
https://drivepatents.com/patents/1085775 · 7 Jul 2004
The device has a nozzle body (2) protruding into the combustion chamber, two coaxial nozzle needles (5,7), the outer being guided in the nozzle body, a second nozzle needle seat in the body for the outer nozzle needle and a first seat (21) for the inner ne...
https://drivepatents.com/patents/1090528 · 7 Jan 2004
The technique of the present invention produces a first fuel-air mixture containing a first fuel and the air at a specific ratio, which does not allow for auto ignition of the first fuel-air mixture by simple compression, in a combustion chamber. The techn...
https://drivepatents.com/patents/1091944 · 12 Nov 2003
Described herein is a microgenerator of electrical energy with a high power density, which uses an internal-combustion micromotor with two combustion chambers (3, 4) set opposite to one another, within which a piston (2) is displaced with reciprocating mot...
https://drivepatents.com/patents/1092285 · 29 Oct 2003
The engine has an insert (1) engaged with a cylinder head (5), a main combustion space (7) in the cylinder, and a pre chamber (4) in the insert to mix a fuel gas and air into an atomized fuel. A nozzle (10) in the insert is coupled to a high-pressure fuel ...
https://drivepatents.com/patents/1092875 · 1 Oct 2003
To suppress deposition of fuel injected at an early timing on a wall surface for preventing the degradation in fuel efficiency and the increase in the amount of harmful components in exhaust gas, in a direct-injection diesel engine which controls the injec...
https://drivepatents.com/patents/1092867 · 1 Oct 2003
The top face of the piston (22) has a bowl (26) with a central projection (28). The fuel jet angle (a1) is equal or less than 2Arctg(CD/2F) where CD is the cylinder diameter and F is the distance from the jet origin to the piston for a crankshaft angle of ...
https://drivepatents.com/patents/1092885 · 1 Oct 2003
To optimize an ignition timing of premixture for improving fuel efficiency regardless of significant change in EGR ratio or fluctuation in temperature of recirculated exhaust gas and temperature in a combustion chamber, in a diesel engine which controls an...
https://drivepatents.com/patents/1093210 · 17 Sep 2003
The engine, having at least one cylinder (10) with a head containing valves, has a fuel injector for each cylinder which delivers multiple jets (30) of fuel towards a concave annular cavity (34) in the piston face. The angle between the axes (32) of adjace...
https://drivepatents.com/patents/1093515 · 3 Sep 2003
The method is for charge mixing in a motor vehicle internal combustion engine cylinder (10) with a piston (22) having a bowl recess (28) formed in the piston crown. The fuel is injected (24) over an angle (a1) smaller than or equal to a set formula at a de...