Title:
反応剤を計量分配するためのポンプアッセンブリ
Document Type and Number:
Japanese Patent JP5789336
Kind Code:
B2
Abstract:
A pump assembly (100) having improved cooling for use in a selective catalytic reduction system is disclosed. The pump assembly comprises a pump housing (104) having a body portion (106) and a nozzle portion (108) extending from the body portion (106), a jacket (130) including a cavity (132) for receiving the pump housing (104), first and second ports (232, 230) for cooling fluid, and a flow guide (200) disposed between the jacket (130) and the pump housing (104). The cavity (132) includes a first compartment (220) for cooling fluid defined in part by the flow guide (200) and in part by the pump housing (104) and being in fluid communication with the first port (230); and a second compartment (224) for cooling fluid defined in part by the flow guide (200) and in part by the jacket (130). The first compartment (220) is in fluid communication with the second port (232) by way of the second compartment (224).
Inventors:
Wright, Keith E
Cook, michael pee
Needham, David W
Hardy, Martin Pea
Cook, michael pee
Needham, David W
Hardy, Martin Pea
Application Number:
JP2014500397A
Publication Date:
October 07, 2015
Filing Date:
March 22, 2012
Export Citation:
Assignee:
Delphi International Operations Luxembourg S.A.Y.L.El
International Classes:
F04B17/04; F01N3/08
Domestic Patent References:
| JP2008019866A | ||||
| JP6510583A |
Attorney, Agent or Firm:
Shinjiro Ono
Yasushi Kobayashi
Shigeo Takeuchi
Osamu Yamamoto
Osamu Hoshino
Yasushi Kobayashi
Shigeo Takeuchi
Osamu Yamamoto
Osamu Hoshino