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Class Information
Number: 123/467
Name: Internal-combustion engines > Charge forming device (e.g., pollution control) > Fuel injection system > Drip prevention means at injector nozzle
Description: Subject matter wherein the system includes means to prevent drip or drool at the nozzle when injection is not occurring.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7610902 |
Low noise fuel injection pump |
Nov. 3, 2009 |
| 7603984 |
Accumulator injection system for an internal combustion engine |
Oct. 20, 2009 |
| 7591247 |
Fuel injector |
Sep. 22, 2009 |
| 7549410 |
Fuel injection system suitable for low-viscosity fuels |
Jun. 23, 2009 |
| 7527036 |
Servo valve for controlling an internal combustion engine injection |
May. 5, 2009 |
| 7520269 |
Fuel injector nozzle assembly |
Apr. 21, 2009 |
| 7516734 |
Common rail having orifice |
Apr. 14, 2009 |
| 7513240 |
High pressure fuel pump provided with damper |
Apr. 7, 2009 |
| 7513241 |
Fuel injection valve with pressure gain |
Apr. 7, 2009 |
| 7506635 |
Fuel injection system |
Mar. 24, 2009 |
| 7500472 |
Fuel injection valve |
Mar. 10, 2009 |
| 7497202 |
Hydraulic damper element |
Mar. 3, 2009 |
| 7497203 |
Avoidance of spark damage on valve members |
Mar. 3, 2009 |
| 7493892 |
Self-damping fuel rail |
Feb. 24, 2009 |
| 7488161 |
High pressure pump having downsized structure |
Feb. 10, 2009 |
| 7472691 |
Fuel injection valve |
Jan. 6, 2009 |
| 7448362 |
Conduit arrangement in a control valve module for a fuel injector assembly |
Nov. 11, 2008 |
| 7444991 |
Fuel injector including an orifice disc, and a method of forming the orifice disc including punching and shaving |
Nov. 4, 2008 |
| 7441545 |
Fuel pressure relief valve |
Oct. 28, 2008 |
| 7438053 |
Fuel delivery pipe |
Oct. 21, 2008 |
| 7438054 |
Fuel injector for a direct injection internal combustion engine |
Oct. 21, 2008 |
| 7415969 |
Fuel injector having recessed check top |
Aug. 26, 2008 |
| 7412969 |
Direct needle control fuel injectors and methods |
Aug. 19, 2008 |
| 7406945 |
Common rail system with pressure amplification |
Aug. 5, 2008 |
| 7404389 |
Direct injection internal combustion engine |
Jul. 29, 2008 |
| 7404393 |
Fuel injection system |
Jul. 29, 2008 |
| 7401593 |
High-pressure fuel pump with a pressure relief valve |
Jul. 22, 2008 |
| 7401594 |
Damper mechanism and high pressure fuel pump |
Jul. 22, 2008 |
| 7398765 |
Fuel injection device of internal combustion engine |
Jul. 15, 2008 |
| 7387110 |
Common rail injector |
Jun. 17, 2008 |
| 7383794 |
Injection nozzle for internal combustion machines |
Jun. 10, 2008 |
| 7377264 |
Fuel injector |
May. 27, 2008 |
| 7373925 |
Compensating element for a fuel injector |
May. 20, 2008 |
| 7370638 |
Fuel injection control system ensuring steady balance in pressure in accumulator |
May. 13, 2008 |
| 7370636 |
Fuel injection system |
May. 13, 2008 |
| 7370637 |
Arrangement in fuel injection apparatus |
May. 13, 2008 |
| 7363914 |
Solenoid actuated fuel injector having a pressure balanced pintle |
Apr. 29, 2008 |
| 7357116 |
Direct injection internal combustion engine |
Apr. 15, 2008 |
| 7347182 |
Injector double row cluster configuration for reduced soot emissions |
Mar. 25, 2008 |
| 7341045 |
Hydraulic damper element |
Mar. 11, 2008 |
| 7334570 |
Common rail fuel injection system with accumulator injectors |
Feb. 26, 2008 |
| 7331329 |
Fuel injector with directly controlled highly efficient nozzle assembly and fuel system using same |
Feb. 19, 2008 |
| 7320310 |
Fuel injector provided with provided with a pressure transmitter controlled by a servo valve |
Jan. 22, 2008 |
| 7320441 |
Injection nozzle |
Jan. 22, 2008 |
| 7318417 |
Injection unit and injection method for an internal combustion engine |
Jan. 15, 2008 |
| 7316220 |
Actuator drive system and fuel injection system |
Jan. 8, 2008 |
| 7290530 |
Fuel injection device |
Nov. 6, 2007 |
| 7284539 |
Fuel pressure controller for direct injection internal combustion engine |
Oct. 23, 2007 |
| 7281520 |
Arrangement for supplying fuel to the fuel injectors of an internal combustion engine |
Oct. 16, 2007 |
| 7278398 |
Control valve for a fuel injector that contains a pressure intensifier |
Oct. 9, 2007 |
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