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Class Information
Number: 123/501
Name: Internal-combustion engines > Charge forming device (e.g., pollution control) > With fuel pump > Variable beginning of pumping stroke
Description: Subject matter wherein the pump has a working member having constant length strokes and a control means to vary the point during the travel of the working member pumping stroke where pumping action will begin.










Sub-classes under this class:

Class Number Class Name Patents
123/502 Fluid pressure control 308


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8677977 Direct injection pump control strategy for noise reduction Mar. 25, 2014
8656891 Horizontal control surface for a fuel injector Feb. 25, 2014
8516995 Control method for a common rail fuel pump and apparatus for performing the same Aug. 27, 2013
8469007 Controlling apparatus of variable capacity type fuel pump and fuel supply system Jun. 25, 2013
8418677 High pressure fuel pump control system for internal combustion engine Apr. 16, 2013
7980183 Altitude compensation system for controlling smoke emissions from a naturally aspirated railroad locomotive Jul. 19, 2011
7757668 Method of correcting flow rate in fuel supply unit of fuel cell system Jul. 20, 2010
7753657 Method of controlling a pumping assembly Jul. 13, 2010
7726284 Fuel supply system of internal combustion engine Jun. 1, 2010
7707994 Fuel injection controller May. 4, 2010
7559313 Controlling apparatus of variable capacity type fuel pump and fuel supply system Jul. 14, 2009
7546831 Fuel injection apparatus for engines and method of operating the engine equipped with the apparatus Jun. 16, 2009
7509947 Fuel injection pump Mar. 31, 2009
7406953 Fuel injection valve having a mechanical positive-control valve gear Aug. 5, 2008
7350508 Advance arrangements Apr. 1, 2008
7350503 Fuel injection pump Apr. 1, 2008
7322341 Control system for internal combustion engine Jan. 29, 2008
7316220 Actuator drive system and fuel injection system Jan. 8, 2008
7290530 Fuel injection device Nov. 6, 2007
7252073 Engine timer for cold-start advance Aug. 7, 2007
7249590 Control system for an internal combustion engine, in particular a diesel engine Jul. 31, 2007
7246605 Method and system for controlling fuel injection timing to maintain desired peak cylinder pressure for high altitude operation Jul. 24, 2007
7222608 Injector for high-pressure injection May. 29, 2007
7198033 Fuel supply system of internal combustion engine Apr. 3, 2007
7191766 Methods of retarding injection timing of mechanical unit injectors using a modified pump follower Mar. 20, 2007
7155330 Cam sensor elimination in compression-ignition engines Dec. 26, 2006
7146964 Engine control system Dec. 12, 2006
7133761 Method and apparatus for controlling an internal combustion engine using accelerometers Nov. 7, 2006
7093579 Method and apparatus for adjusting fuel injection timing Aug. 22, 2006
7073481 In-cylinder combustion recipe for meeting tier 2 locomotive emissions regulations Jul. 11, 2006
7055504 Barometric pressure diesel timing controller Jun. 6, 2006
7051715 Apparatus and method for suppressing diesel engine emissions May. 30, 2006
7044095 Roller tappet with cold advance May. 16, 2006
7000600 Fuel injection control apparatus for internal combustion engine Feb. 21, 2006
6994272 Injector for high-pressure fuel injection Feb. 7, 2006
6978766 Control module for a storage-type injection system injector Dec. 27, 2005
6968830 Apparatus and method for suppressing internal combustion ignition engine emissions Nov. 29, 2005
6935307 Diesel engine Aug. 30, 2005
6889663 Cam sensor elimination in compression-ignition engines May. 10, 2005
6866028 Emission reduction kit for EMD diesel engines Mar. 15, 2005
6865473 Method and device for controlling an internal combustion engine Mar. 8, 2005
6820596 Control system for plunger-type fuel pump Nov. 23, 2004
6814060 Engine emission control system and method Nov. 9, 2004
6799561 System and method of optimizing fuel injection timing in locomotive engine Oct. 5, 2004
6681744 Fuel injection control device for a diesel engine Jan. 27, 2004
6622692 Common rail fuel injection device Sep. 23, 2003
6612292 Fuel injection control for diesel engine Sep. 2, 2003
6571776 Cam sensor elimination in large four stroke compression-ignition engines Jun. 3, 2003
6526942 Common rail type fuel injecting device Mar. 4, 2003
6513488 Fuel injection control apparatus for direct injection type internal combustion engine Feb. 4, 2003

1 2 3 4 5 6 7










 
 
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