Patent ID: 11958067
Assignee: NORDSON CORPORATION
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 0:
1. A spray gun comprising:
a gun body comprising a spray outlet and a powder inlet; and
a powder flow path comprising an inlet end and an outlet end,
wherein powder coating material can flow from said powder inlet to said powder flow path inlet end and from said powder flow path outlet end to said spray outlet,
wherein said powder flow path comprises a first portion with a first cross-sectional area, a second portion with a second cross-sectional area greater than the first cross-sectional area, and a transition portion having an expansion chamber that joins said first portion and said second portion, a first recess at a first end of the expansion chamber, and a second recess at a second end of the expansion chamber, and
wherein the first portion includes a first tube received in the first recess and a diffuser, and the second portion includes a second tube received in the second recess.