About 19 results
https://drivepatents.com/patents/1395173 · 13 Aug 2025
A catalyst device includes a catalyst, a heating element 31 and a case 20. The case includes a end portion 22 protruding on an upstream side in the gas discharging direction and which is an insulating portion that insulates electricity. The heating element...
https://drivepatents.com/patents/943678 · 4 May 2016
A work vehicle according is provided with an engine, a variable displacement hydraulic pump, a hydraulic motor, a traveling apparatus, an exhaust treatment device, a reductant supply route, a controller, and an operation member. The variable displacement h...
https://drivepatents.com/patents/961746 · 15 Apr 2015
An engine system includes: an exhaust path through which an exhaust gas of an engine passes; an urea injection valve that injects urea into the exhaust path; a catalyst that is provided in the exhaust path on a downstream of the urea injection valve, and t...
https://drivepatents.com/patents/966836 · 3 Dec 2014
A post-processing system apparatus and a control method according to the present disclosure include: an exhaust pipe which has one end that is connected with an engine so as to allow exhaust gas to flow thereinto, and the other end that is opened to discha...
https://drivepatents.com/patents/972546 · 16 Jul 2014
[OBJECT] To provide an exhaust gas emission purifying device in a more compact size, and to prevent a decrease in catalytic performance due to the adsorption of intermediates such as ammonium sulfate even if the fuel contains a large quantity of sulfur com...
https://drivepatents.com/patents/978631 · 12 Feb 2014
An exhaust gas purification device includes an oxidation catalyst for oxidizing and purifying particulate matter contained in exhaust gas from an internal combustion engine, wherein the oxidation catalyst is provided with a support constituted by at least ...
https://drivepatents.com/patents/989208 · 3 Jul 2013
With the invention, electrical energy required when producing ammonia for use as a reducing agent in denitration is supplied with low energy consumption. Provided are an ammonia producing device (2) that includes a hydrogen producing unit (81) for producin...
https://drivepatents.com/patents/989165 · 3 Jul 2013
Provided is a marine vessel denitration system capable of supplying electric power to an ammonia producing device that produces ammonia for use in denitration, while keeping energy consumption low. The system includes an ammonia producing device (2) suppli...
https://drivepatents.com/patents/985130 · 17 Apr 2013
An exhaust purification system of an internal combustion engine is provided with an exhaust purification catalyst where NO x which is contained in exhaust gas and modified hydrocarbons react. The exhaust purification catalyst carries precious metal catalys...
https://drivepatents.com/patents/995945 · 21 Nov 2012
An exhaust gas denitration system is provided to prevent clogging of a urea water injection nozzle and an exhaust tube and avoid poisoning of an exhaust gas denitration catalyst. The exhaust gas denitration system includes: an exhaust gas turbocharger (5) ...