-
1.发明公开公开(公告)号：US20240091745A1
公开(公告)日：2024-03-21
申请号：US18493835
申请日：2023-10-25
发明人： Andrew CHIFFEY , Kieran COLE , Oliver COOPER , Christopher DALY , Lee GILBERT , Robert HANLEY , David MICALLEF , Francois MOREAU , Paul PHILLIPS , George PLATT
CPC分类号： B01J23/44 , B01J21/08 , B01J23/42 , B01J37/0215 , F01N3/0231 , F01N3/10 , F01N2570/10 , F01N2570/12 , F01N2570/14
摘要： A composite oxidation catalyst for use in an exhaust system for treating an exhaust gas produced by a vehicular compression ignition internal combustion engine is disclosed. The composite oxidation catalyst comprises a honeycomb flow-through substrate monolith and two catalyst washcoat zones arranged axially in series on and along the substrate surface.
-
2.发明申请公开(公告)号：US20220152589A1
公开(公告)日：2022-05-19
申请号：US17594694
申请日：2020-06-26
发明人： Andrew CHIFFEY , Kieran John COLE , Oliver COOPER , Christopher DALY , Lee GILBERT , Robert HANLEY , David MICALLEF , Francois MOREAU , Paul PHILLIPS , George PLATT
摘要： A composite oxidation catalyst (18, 20) for use in an exhaust system for treating an exhaust gas produced by a vehicular compression ignition internal combustion engine (30) and upstream of a particulate matter filter (44, 50) in the exhaust system comprises a substrate (5) having a total length L and a longitudinal axis and having a substrate surface extending axially between a first substrate end (I) and a second substrate end (O); and three or more catalyst washcoat zones (1, 2, 3; or 1, 2, 3, 4) arranged axially in series on and along the substrate surface, wherein a first catalyst washcoat zone (1) having a length L1, wherein L1
-
3.发明公开公开(公告)号：US20230278018A1
公开(公告)日：2023-09-07
申请号：US17754813
申请日：2020-10-13
发明人： Andrew Francis CHIFFEY , Kieran COLE , Oliver COOPER , Christopher DALY , Lee Alexander GILBERT , Robert HANLEY , David MICALLEF , Francois MOREAU , Paul PHILLIPS , George PLATT
IPC分类号： B01J35/00 , B01J23/44 , B01J23/58 , B01J21/12 , B01J23/34 , B01J23/10 , B01J29/76 , B01J35/04 , B01J35/10 , F01N3/10 , F01N3/021 , F01N3/28 , B01D53/94 , B01D46/84
CPC分类号： B01J35/0006 , B01J23/44 , B01J23/58 , B01J21/12 , B01J23/34 , B01J23/10 , B01J29/76 , B01J35/04 , B01J35/1061 , B01J35/0066 , F01N3/103 , F01N3/021 , F01N3/2828 , B01D53/944 , B01D53/9472 , B01D46/84 , F01N2370/04 , F01N2510/063 , F01N2330/48 , B01D2255/9155 , B01D2255/9032 , B01D2255/1021 , B01D2255/1023 , B01D2255/2042 , B01D2258/012 , B01D2255/9202 , B01D2255/2073 , B01D2255/9207
摘要： A compression ignition internal combustion engine (30) for a heavy-duty diesel vehicle comprising an exhaust system (32) comprising a composite oxidation catalyst (12, 42) and a soot filter substrate (44, 50) disposed downstream from the composite oxidation catalyst comprising: a substrate (5), preferably a honeycomb flow-through substrate monolith, having a total length L and a longitudinal axis and having a substrate surface extending axially between a first substrate end (I) and a second substrate end (O); two catalyst washcoat zones (1, 2) arranged axially in series on and along the substrate surface, wherein a first catalyst washcoat zone (1) having a length L1 and comprising a first catalyst washcoat layer (9), wherein L1 48.8 g/l (>0.8 g/in3), wherein a total platinum group metal loading in the first catalyst washcoat zone (1) defined in grams of platinum group metal per litre of substrate volume (g/l) is greater than a total platinum group metal loading in the second catalyst washcoat zone (2) and wherein the first catalyst washcoat zone (1) comprises one or more first alkaline earth metal components, preferably barium, supported on the first refractory metal oxide support material.
-
公开(公告)号：US20230211323A1
公开(公告)日：2023-07-06
申请号：US17754778
申请日：2020-10-16
发明人： Andrew Francis CHIFFEY , Kieran COLE , Oliver COOPER , Christopher DALY , Jonas EDVARDSSON , Lee GILLBERT , Alexander GREEN , Neil GREENHAM , Robert HANLEY , Caitlin Lucy JENKINS , Per MARSH , David MICALLEF , Francois MOREAU , George PLATT , Paul Richard PHILLIPS , James WYLIE
IPC分类号： B01J23/58 , B01J23/44 , B01J21/12 , B01J29/76 , B01J35/00 , B01J35/10 , F01N3/28 , B01D53/94
CPC分类号： B01J23/58 , B01J23/44 , B01J21/12 , B01J29/763 , B01J35/0006 , B01J35/1061 , F01N3/2828 , B01D53/9436 , B01D53/9472 , B01D53/9418 , F01N2370/04 , F01N2330/30 , F01N2510/0684 , B01D2255/9035 , B01D2258/012 , B01D2255/9155 , B01D2255/50 , B01D2255/20761 , B01D2255/20738 , B01D2255/2073 , B01D2255/1021 , B01D2255/1023 , B01D2255/2065 , B01D2255/9202 , B01D2251/2062
摘要： A composite, zone-coated, dual-use ammonia (AMOX) and nitric oxide oxidation catalyst (12) comprises: a substrate (5) having a total length L and a longitudinal axis and having a substrate surface extending axially between a first substrate end (I) and a second substrate end (O); two or more catalyst washcoat zones (1; 2) comprised of a first catalyst washcoat layer (9) comprising a refractory metal oxide support material and one or more platinum group metal components supported thereon and a second catalyst washcoat layer (11) different from the first catalyst washcoat layer (9) and comprising a refractory metal oxide support material and one or more platinum group metal components supported thereon, which two or more catalyst washcoat zones (1; 2) being arranged axially in series on and along the substrate surface, wherein a first catalyst washcoat zone (1) having a length L1, wherein L1 48.8 g/l (>0.8 g/in3), wherein the particulate metal oxide is an aluminosilicate zeolite including at least one of copper, iron and manganese, wherein a total platinum group metal loading in the first catalyst washcoat zone (1) defined in grams of platinum group metal per litre of substrate volume (g/l) is different from the total platinum group metal loading in the second catalyst washcoat zone (2).
-
-
-
搜索结果
4 条记录 (耗时 0.014 秒)
