Patent · US Active

Spray-head assembly and spray-head apparatus

US11338307B2 · kind B2 · utility

0Cited by

4References

17Claims

0Family size

Assignee

SZ DJI TECHNOLOGY CO., LTD. · CN

Inventors

Zhiliang Jin · Suzhou, CN
Xumin Wu · Cupertino, US
Xiaolong Wu · Tianjin, CN
Chuoying LU · Nanhu, CN
Le Zhou · Hangzhou City, CN

Key dates

Filing date	Oct 16, 2018
Grant date	May 24, 2022
Priority date	—
Expiry date	Feb 1, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB05B1/30
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A spray-head assembly includes a pipe structure and a valve-spool. The pipe structure includes a liquid inlet, a flow pathway, and a valve-port. The flow pathway includes an air-flow pathway arranged obliquely with respect to a central axis of the liquid inlet. A bottom end of the air-flow pathway communicates with the liquid inlet. The valve-port is arranged at a top end of the air-flow pathway. The valve-spool is arranged in the flow pathway and configured to control opening and closing of the valve-port.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.