公开(公告)号：US20200003104A1

公开(公告)日：2020-01-02

申请号：US16088399

申请日：2017-07-27

Applicant: MAZDA MOTOR CORPORATION

Inventor： Keishi KITABATAKE ,  Taku KURAMASHI ,  Tamotsu TAKAMURE ,  Takeshi NAKAHIRA ,  Yuji KOJIMA ,  Amane TSUDA

IPC: F01N13/10 ,  B62D25/14 ,  B62D25/20 ,  B60K5/04 ,  F01N3/10 ,  B60K13/04 ,  F02M26/15 ,  F02M26/06 ,  F02M26/12 ,  F02M26/24 ,  F02M26/28

Abstract: A vehicle engine 2 comprises an exhaust system having an exhaust manifold 12 and an exhaust purification device 18. The exhaust manifold 12 is disposed at a predetermined distance from a dash panel 106 constituting a body of the vehicle 100, the exhaust purification device 18 is disposed in a position overlapping a floor tunnel region 114, formed by a floor tunnel of the body, and is disposed below the exhaust manifold 12 and to one side of the center of the engine 2 in the cylinder-array direction, as viewed from the longitudinal direction of the vehicle 100. An exhaust purification device introduction passage 17 connecting the exhaust manifold 12 and the exhaust purification device 18 is disposed on the other side of the center of the exhaust manifold 12 in the cylinder-array direction, and extends below the exhaust manifold 12 to be connected to the exhaust purification device 18.

公开(公告)号：US20200095923A1

公开(公告)日：2020-03-26

申请号：US16088402

申请日：2017-07-27

Applicant: MAZDA MOTOR CORPORATION

Inventor： Hirokazu HASEGAWA ,  Keishi KITABATAKE ,  Taku KURAMASHI ,  Ryotaro NISHIDA ,  Mitsunori WASADA ,  Takeshi NAKAHIRA ,  Yuji KOJIMA ,  Amane TSUDA

IPC: F02B39/04 ,  F02B39/02 ,  F02B39/10 ,  F02B37/00 ,  F02D23/00 ,  F02M26/06 ,  F01N3/033

Abstract: An intake and exhaust device (1) for a vehicle engine is capable to perform a compression self-ignition operation, the device comprising on an intake passage a supercharger (9) driven by a force other than an exhaust gas, wherein an exhaust purification device (18) disposed on an exhaust passage is disposed adjacent to an outer surface of the engine (2).

公开(公告)号：US20200025158A1

公开(公告)日：2020-01-23

申请号：US16088395

申请日：2017-07-27

Applicant: MAZDA MOTOR CORPORATION

Inventor： Takeshi NAKAHIRA ,  Yuji KOJIMA ,  Amane TSUDA

IPC: F02M26/15 ,  F01N3/10 ,  F01N13/08 ,  F02M26/06 ,  F02M26/24 ,  F02M26/27 ,  F02M26/28 ,  F02M26/21 ,  F02M26/50 ,  B60K13/04

Abstract: An exhaust system device (1) for a vehicle (100) comprises an exhaust purification device (18) and a first exhaust gas recreation (EGR) cooler (24). The exhaust purification device (18) is disposed with a central axis of a downstream-side end inclined downwardly toward a rear side of the vehicle (100). The EGR cooler (24) is provided so as to introduce exhaust from a downstream side of the exhaust purification device (18), is adjacent to the exhaust purification device (18) and fixed to the exhaust purification device (18), and is disposed such that a central axis of the EGR cooler (24) is inclined downwardly toward the rear side of the vehicle.