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Class Information
Number: 123/458
Name: Internal-combustion engines > Charge forming device (e.g., pollution control) > Fuel injection system > Fuel pump flow regulation > Regulating means adjusts fuel pressure > Electric regulator
Description: Subject matter wherein the regulator means is electrically operated or electrically controlled to adjust the fuel pressure.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
8706382 Control device of spark-ignition gasoline engine Apr. 22, 2014
8676473 Method for the self-learning of the variation of a nominal functioning feature of a high pressure variable delivery pump in an internal combustion engine Mar. 18, 2014
8667986 Pressure-regulating valve for regulating the pressure in a high-pressure fuel accumulator of an internal combustion engine Mar. 11, 2014
8646439 Fuel injection apparatus for internal combustion engine Feb. 11, 2014
8640670 Fuel-pressure waveform detector Feb. 4, 2014
8622047 Cleaning a pressure control function valve Jan. 7, 2014
8616183 Fuel injection system for an internal combustion engine Dec. 31, 2013
8607764 Fluid accumulator arrangement for an internal combustion engine Dec. 17, 2013
8573185 Diagnostic device for internal-combustion engine Nov. 5, 2013
8539934 Injection abnormality detection method and common rail fuel injection control system Sep. 24, 2013
8538663 Method for adapting the performance of a fuel prefeed pump of a motor vehicle Sep. 17, 2013
8522751 Fuel pressure regulator for a motor vehicle Sep. 3, 2013
8516995 Control method for a common rail fuel pump and apparatus for performing the same Aug. 27, 2013
8511284 Fuel supply apparatus of internal combustion engine and control device of fuel supply apparatus Aug. 20, 2013
8511275 Method and system for a common rail fuel system Aug. 20, 2013
8474436 Silenced fuel pump for a direct injection system Jul. 2, 2013
8439016 Liquefied petroleum gas engine assembly with flow control May. 14, 2013
8424508 Fuel pressure regulating system Apr. 23, 2013
8418677 High pressure fuel pump control system for internal combustion engine Apr. 16, 2013
8413636 Fuel injection apparatus for internal combustion engine Apr. 9, 2013
8412440 Pressure sensor failure diagnosis method and common rail type fuel injection control apparatus Apr. 2, 2013
8333175 Fuel supply systems Dec. 18, 2012
8312862 Injection system for an internal combustion engine Nov. 20, 2012
8312864 Method and device for the volume flow control of an injection system Nov. 20, 2012
8291889 Pressure control in low static leak fuel system Oct. 23, 2012
8286611 Electronic pressure regulator Oct. 16, 2012
8281768 Method and apparatus for controlling fuel rail pressure using fuel pressure sensor error Oct. 9, 2012
8276566 Method for operating a fuel injection system of a motor vehicle in particular Oct. 2, 2012
8276568 Fuel supply apparatuses Oct. 2, 2012
8261755 Fuel injection system of compression ignition internal combustion engine Sep. 11, 2012
8245693 High pressure fuel pump control for idle tick reduction Aug. 21, 2012
8240291 Pressure relief valve Aug. 14, 2012
8240290 Control apparatus for internal combustion engine Aug. 14, 2012
8215287 Fuel supply apparatus for engine and injector for the same Jul. 10, 2012
8210156 Fuel system with electrically-controllable mechanical pressure regulator Jul. 3, 2012
8176897 Electronic pressure regulator May. 15, 2012
8171916 Fuel supply systems May. 8, 2012
8136506 Electronic pressure regulator Mar. 20, 2012
8127746 Pressure-controlling electromagnetic valve for distinct electromagnetic and hydraulic units Mar. 6, 2012
8108124 Method for determining an uncontrolled acceleration of an internal combustion engine Jan. 31, 2012
8100112 Fuel-supply quantity estimating apparatus and fuel injection system Jan. 24, 2012
8100109 Control device for in-cylinder injection internal combustion engine Jan. 24, 2012
8096284 Method for determining a rail pressure setpoint value Jan. 17, 2012
8091532 Diagnostic systems and methods for a pressure sensor during driving conditions Jan. 10, 2012
8065989 Fuel delivery device Nov. 29, 2011
8061331 Fuel injector for internal combustion engine Nov. 22, 2011
8042520 Engine startup fuel pressure control systems and methods Oct. 25, 2011
8006668 Electronic pressure regulator Aug. 30, 2011
7991538 Method for operating a fuel system Aug. 2, 2011
7921827 Accumulator fuel injection device Apr. 12, 2011

1 2 3 4 5 6 7 8 9 10 11










 
 
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