delphi ammonia sensor

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The Delphi Ammonia Sensor is intended for use in vehicles equipped with an SCR converter system including light duty, medium duty and heavy duty atc 185s owners manual ebooks free download pdf Atc 185s Owners Manual manual for HONDA ATC 185 185S 200 WORKSHOP MANUAL 19801983 Covers: Download Continental nox sensor ct122 manual Ct122 Manual Bobcat User Manual …

Delphi also offers an optional ammonia sensor and a sensor controller as an addition to the system. The Delphi SCR Dosing System provides precise and highly atomized dosing of liquid urea, minimizing the mixing length (between doser and catalyst). This enables the SCR catalyst to be placed closer to the engine for better thermallyaided NOx conversion to help manufacturers meet new and more ...

20140820· An ammonia sensor is under development by Delphi and is targeted for production in 2013. The ammonia sensor is not intended to replace the NOx sensor, but to work alongside it downstream from the SCR catalyst. According to Ward, Delphi’s chief engineer, exhaust sensors and air meters, “The NH3 sensor is complimentary to a NOx sensor. Directly measuring ammonia …

20100412· This paper describes how Delphi Powertrain Systems applied the Shainin proactive risk reduction methodology in advanced product development to focus resources on understanding and mitigating the risk associated with the development of a new Delphi ammonia sensor. Organizational and technical strategies to accelerate profound knowledge capture, along with corresponding test …

2 Delphi NH3 sensor SCR control sensor SCR control actuator Standard control sensor Air + urea Urea Air Urea pump on/off Compressor on/off SCR in T° [NH 3] out (Delphi) Dosing Unit Feedback for closed loop control Source of Ammonia: Urea through hydrolysis reaction (NH2)2CO + H2O > 2NH3 + CO2 DeNOx Reaction: At favored temperature 4NH3 + 2NO2 + 2NO > 4N2 + 6H2O • 4 Sensing principle …

20110727· Source: Delphi. The ammonia sensor is placed downstream of the SCR catalyst and NO X sensor; it detects the levels of ammonia in the exhaust stream over a range of 0100ppm. The sensor converts the ammonia into an electrical signal that the electronic control system uses to control the urea solution dosage. The ammonia sensor is the first technology that enables an SCR system to have a …

Test results using the Delphi ammonia sensor for control are compared with test results utilizing a commercially available NOx sensor for control. Crosscut view of NH 3 sensor structure ...

20080414· The ammonia sensor is based on a nonequilibrium electrochemical principle and outputs emf signals. The sensor performs well when tested in a diesel engine exhaust environment and has minimum cross interference with CO, HC, NO, NO 2, SO 2, H 2 O and O 2.

20070223· Delphi’s sensor has been developed based on the company’s expertise in oxygen sensors. A new ammonia sensitive material, developed at the Delphi Research Laboratories in Troy, MI, is deposited onto a thick film ceramic substrate similar to the one in oxygen sensors. The sensor is then mounted in a compact stainless steel package also based on Delphi’s oxygen sensor …

20070226· Delphi launches ammonia sensor for diesel engines. Luxembourg – Delphi Corporation says it has developed the world’s first automotive ammonia sensor, which will allow direct closedloop control of the Selective Catalytic Reduction (SCR) systems used on an increasing number of diesel vehicles to reduce NOx. By directly measuring tailpipe ammonia, the sensor allows for optimum …

20070223· Delphi has developed the world’s first automotive ammonia sensor. The new technology will allow direct closedloop control of the SCR (Selective Catalytic Reduction) systems used by an increasing number of diesel vehicles to reduce NO x.. By directly measuring tailpipe ammonia, the sensor allows the injection of urea (an ammoniarich compound required by the SCR system) to be …

20100420· Delphi’s ammonia sensor is intended for use in diesel vehicles equipped with an SCR system, including lightduty, mediumduty and heavyduty diesel vehicles. It helps enable the SCR system to work at greater NOx conversion efficiencies, which allows the engine to operate with higher fuel efficiency while helping the vehicle meet new tailpipe NOx standards. It also provides manufacturers …

20130523· Ammonia Sensor. May 23, 2013 Related To: Delphi Automotive LLP. Ammonia Sensor. View Image Gallery Related Product Guide Delphi Automotive LLP Feb. 25, 2008. Request More Information First Name * Last Name * Email Address * Phone Number . Company Name . Job ...

Delphi has developed the world’s first automotive ammonia sensor. The new technology will allow direct closedloop control of the SCR (Selective Catalytic Reduction) systems used by an increasing number of diesel vehicles to reduce NO x.. By directly measuring tailpipe ammonia, the sensor allows the injection of urea (an ammoniarich compound required by the SCR system) to be optimized and ...

20130115· An ammonia sensor is under development by Delphi and is targeted for production in 2013. The ammonia sensor is not intended to replace the NOx sensor, but to work alongside it downstream from the SCR catalyst. According to Ward, Delphi’s chief engineer, exhaust sensors and air meters, “The NH 3 sensor is complimentary to a NOx sensor ...

20140801· LUXEMBOURG — The world’s first automotive ammonia sensor has been developed by Delphi Corp. The new technology will allow direct closedloop control of the SCR (Selective Catalytic Reduction) systems used by an increasing number of diesel vehicles to reduce NOx. SCR is the emissionscontrol technology used in Europe to meet environmental regulations. Several heavy truck …

Ammonia sensor for bus Delphi 28491403 NH3 sensor. Delphi Ammonia sensor. Part no.: 28491403. Product Name：Ammonia sensor/ NH3 sensor. PMSCM 28668648 BARXH. Voltage: 24V.

20070223· The Delphi Ammonia Sensor is intended for use in vehicles equipped with an SCR converter system including lightduty, mediumduty and heavyduty diesel vehicles to help manufacturers meet increasingly stringent NOx emissions regulations. Availability. The Delphi Ammonia Sensor is currently in development and targeted for production in 2010.

The Ammonia (NH3) sensor is an exhaust sensor providing direct measurement of ammonia for Selective Catalytic Reduction (SCR) dosing control and OnBoard diagnostics. The sensor output can be used to provide feedback to the SCR system helping higher engineout NOx calibration for improved fuel economy. Features / Benefits . Enables closedloop urea closing control for optimized NOx reduction ...

The Delphi ammonia sensor operates based on a nonequilibrium electrochemical sensing principle with sensing and reference electrodes exposed to the exhaust gas. The sensing element utilizes cofired zirconia and alumina layers with NH 3 sensing, a Pt reference electrode and an integrated heater circuit. Figure 21. Schematic representation of Delphi ammonia sensor Heater circuit not shown ...