B01D53/9418

ELECTROSTATIC FLUID INJECTION SYSTEM
20170320014 · 2017-11-09 ·

A fluid injection system includes a mixing chamber locatable in an exhaust gas conduit upstream of a selective catalytic reduction device for providing an exhaust gas flow path and space for receiving injected fluid, an injector with a plurality of bundled capillary tubes each having an inlet configured to receive a fluid for injection into the chamber and an outlet wherein the injector is mounted on the chamber with the tube outlets in fluid communication with the chamber space, a base plate disposed in the chamber spaced from and aligned with the bundled tubes, a voltage supply connected to the tubes and to the base plate for providing a charge to the tubes and to the base plate to create an electric field to the fluid in the tubes, and a valve disposed on a wall of the chamber for at least one of priming and purging of the tubes.

BARE HEATING ELEMENTS FOR HEATING FLUID FLOWS

A heater for use in heating a fluid flow through a passageway is provided that includes a continuous resistive heating element having a predefined shape that is directly exposed to the fluid flow. The predefined shape includes a cross-sectional geometry that provides a required heat distribution, structural strength, and reduced back pressure within the passageway. The predefined shape may include airfoils, while the cross-sectional geometry provides a required heat distribution, structural strength, and reduced back pressure within the passageway.

SYSTEM AND METHOD FOR PLACESHIFTING MEDIA PLAYBACK

Systems and methods of placeshifting media playback between two or more devices are provided. For example, a method for placeshifting media may include downloading onto a first device an index of files accessed or modified on a second device via a data storage server, at least one of the files being a media file played on the second device. The first device may display a user selectable list of the files on the first device before issuing a request for the media file to the data storage server. The data storage server may send the media file to the first device from the data storage server, and the first device may play back the media file where the second device left off.

Exhaust gas aftertreatment device with injection section

An exhaust system injection section (10) includes an exhaust gas flow channel (19), a laterally arranged injector connection (21), with a fluid introducing injector (22) and an injection chamber (24) formed in the channel, which is delimited by a perforated first separating wall (25), arranged in the channel upstream of the injector connection, and a perforated second separating wall (26) arranged in the channel downstream of the injector connection. To provides intensive mixing of the injected fluid with the exhaust gas flow a perforation (29) of the first separating wall (25) is configured so that exhaust gas largely flows eccentrically through the first separating wall (25) with respect to a longitudinal center axis (23) of the channel and a perforation (31) of the second separating wall (26) is configured so that exhaust gas largely flows concentrically through the second separating wall (26) with respect to the longitudinal center axis (23).

ITQ-49 material, method for the production thereof and use of same

The present invention refers to a microporous crystalline material, to the method for the production thereof and to the use of same, the material having a composition:
xX.sub.2O.sub.3:zZO.sub.2:yYO.sub.2
in which: X is a trivalent element such as Al, B, Fe, In, Ga, Cr, or mixtures thereof, where (y+z)/x can have values of between 9 and infinity; Z corresponds to a tetravalent element selected from Si, Ge or mixtures thereof; and Y corresponds to a tetravalent element such as Ti, Sn, Zr, V or mixtures thereof, where z/y can have values of between 10 and infinity.

Molecular sieve catalyst compositions, catalyst composites, systems, and methods

Described is a selective catalytic reduction material comprising a spherical particle including an agglomeration of crystals of a molecular sieve. The catalyst is a crystalline material that is effective to catalyze the selective catalytic reduction of nitrogen oxides in the presence of a reductant at temperatures between 200° C. and 600° C. A method for selectively reducing nitrogen oxides and an exhaust gas treatment system are also described.

AEI TYPE ZEOLITE, METHOD FOR PRODUCING SAME, AND USES THEREOF

Provided is a method for producing an inexpensive, high-performance AEI type zeolite and an AEI type zeolite having a Si/Al ratio of 6.5 or less by using neither an expensive Y type zeolite as a raw material nor dangerous hydrofluoric acid. The method for producing an AEI type zeolite having a Si/Al ratio of 50 or less includes: preparing a mixture including a silicon atom material, an aluminum atom material, an alkali metal atom material, an organic structure-directing agent, and water; and performing hydrothermal synthesis of the obtained mixture, in which a compound having a Si content of 20% by weight or less and containing aluminum is used as the aluminum atom material; and the mixture includes a zeolite having a framework density of 14 T/1000 Å.sup.3 or more in an amount of 0.1% by weight or more with respect to SiO.sub.2 assuming that all Si atoms in the mixture are formed in SiO.sub.2.

Exhaust Gas Purifying Catalyst

This exhaust gas purifying catalyst is provided with a substrate and a catalyst layer formed on a surface of the substrate. The catalyst layer contains zeolite particles that support a metal, and a rare earth element-containing compound that contains a rare earth element. The rare earth element-containing compound is added in such an amount that the molar ratio of the rare earth element relative to Si contained in the zeolite is 0.001 to 0.014 in terms of oxides.

AN EXHAUST AFTERTREATMENT ARRANGEMENT FOR AN EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE
20220042433 · 2022-02-10 · ·

The invention relates to an exhaust aftertreatment arrangement (100) for an exhaust system of an internal combustion engine, said exhaust aftertreatment arrangement (100) comprising a fluid passage (30) for exhaust gases from said exhaust system, said fluid passage (30) defining an inner perimeter (32) and an exhaust aftertreatment unit (40) comprising an exhaust aftertreatment element (42) confined by an outer wall (44) defining an outer periphery (46) of the exhaust aftertreatment unit (40), the exhaust aftertreatment unit (40) being sealingly arranged in said fluid passage (30) for enabling flow of said exhaust gases through said exhaust aftertreatment element (42). A leakage treatment member (50) comprising an exhaust aftertreatment component is arranged between said inner perimeter (32) of the fluid passage (30) and said outer periphery (46) of said outer wall (44) of the exhaust aftertreatment unit (40), for aftertreatment of any leakage of said flow of exhaust gases past said aftertreatment unit (40) in said fluid passage (30).

Control techniques of exhaust purification system and exhaust purification system
09759111 · 2017-09-12 · ·

To provide an exhaust purifying system and a method for controlling the exhaust purifying system that avoid occurrence of clogging, breakage, or the like of a reducing agent injection valve caused by the solidification of a reducing agent and prevent reduction in the efficiency of reducing agent recovery processing and exhaust gas purification. An exhaust purifying system and a method for controlling the exhaust purifying system according to an aspect of the present invention is configured to detect the injection valve temperature of the reducing agent injection valve according to detection of turn-off of an ignition switch for stopping the internal combustion engine or detection of an injection stop of the reducing agent injection valve, whichever is earlier, calculate the waiting time until reducing agent recovery processing starts based on the injection valve temperature, and permits the reducing agent recovery processing under condition of the detection of turn-off of the ignition switch and an elapse of the waiting time.