ClassID:

139695

F02D41/1451 - CPC Classification

Classification description:

Electrical control of supply of combustible mixture or its constituents; Circuit arrangements for generating control signals; Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the sensor being an optical sensor

Recent Application in this class:
#1
20220205404
2022-06-30

Engine control system

#2
20220010740
2022-01-13

Method, apparatus, and system for controlling natural gas engine operation based on fuel properties

#3
20190271254
2019-09-05

On-board vehicle emissions measurement system with a sensor and a computer system

#4
20180052097
2018-02-22

Sensor for spectrometric analysis of a variable-pressure gaseous fuel for automotive vehicle

#5
20170363513
2017-12-21

Combustion gas sensor assembly for engine control

#6
20170276655
2017-09-28

Systems and methods using a gas quality sensor

#7
20170234734
2017-08-17

Optical apparatus and sight tube for inspecting turbine engine components

#8
20150315992
2015-11-05

Methods and sensor module for controlling combustion emission parameters in a combustion system

#9
20150219000
2015-08-06

Contact-type infrared temperature sensor for high temperature measurement, thermal apparatus, and exhaust system

#10
20150176513
2015-06-25

Control of internal combustion engines in response to exhaust gas recirculation system conditions

#11
20120154813
2012-06-21

System and method for real-time measurement of equivalence ratio of gas fuel mixture

#12
20110313635
2011-12-22

Automotive-vehicle-borne miniature spectrometer having a single measurement and reference detector

#13
20110010075
2011-01-13

METHOD, APPARATUS, AND SYSTEM TO MEASURE, RECORD, AND CONTROL EXHAUST PRODUCTS FROM AN ICE

#14
20100313572
2010-12-16

Optical interrogation sensors for combustion control

#15
20070132988
2007-06-14

Collimated light method and system for detecting defects in honeycombs

#16
20060256330
2006-11-16

Method and device for comprehensive characterization and monitoring of exhaust gas and control of engines, and components for aftertreatment of exhaust gases

#17
20060192563
2006-08-31

Measurement of CN emissions from engine spark igniter for characterization of spark igniter energy

#18
20060059895
2006-03-23

Method for operating an internal combustion engine

#19
20050120707
2005-06-09

System for controlling noxious emissions in exhaust gases of an internal-combustion engine of a motor vehicle by means of an IR spectrophotometer on board the motor vehicle