公开(公告)号：US20200131968A1

公开(公告)日：2020-04-30

申请号：US16176788

申请日：2018-10-31

Applicant: Caterpillar Inc.

Inventor： Ramakrishna V. Manda ,  Kevin L. Martin ,  Paul A. Zwart ,  Andrew M. Denis

IPC: F01N3/28 ,  F01N3/20 ,  F01N13/08

Abstract: An injection apparatus includes an injection mixing platform located within an exhaust pipe; wherein the injection mixing platform includes two or more mixing blades extending radially from a common central hub, at least one of the mixing blades being coupled to a DEF inlet to receive DEF from an external tank, wherein each of the two or more mixing blades includes at least one nozzle to eject the DEF into an exhaust stream, the two or more mixing blades being statically mounted to an inner surface of the exhaust pipe.

公开(公告)号：US10774718B2

公开(公告)日：2020-09-15

申请号：US16176788

申请日：2018-10-31

Applicant: Caterpillar Inc.

Inventor： Ramakrishna V. Manda ,  Kevin L. Martin ,  Paul A. Zwart ,  Andrew M. Denis

IPC: F01N3/20 ,  F01N3/28 ,  F01N13/08

Abstract: An injection apparatus includes an injection mixing platform located within an exhaust pipe; wherein the injection mixing platform includes two or more mixing blades extending radially from a common central hub, at least one of the mixing blades being coupled to a DEF inlet to receive DEF from an external tank, wherein each of the two or more mixing blades includes at least one nozzle to eject the DEF into an exhaust stream, the two or more mixing blades being statically mounted to an inner surface of the exhaust pipe.