Title:
PUMP DEVICE AND PLANT PROTECTION UNMANNED AERIAL VEHICLE HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2019/061160
Kind Code:
A1
Abstract:
Disclosed are a pump device (500) and a plant protection unmanned aerial vehicle having same. The pump device (500) comprises a body (1), covers (2) respectively covering two sides of the body (1), two diaphragm sheets (3) provided in the body (1), and a drive mechanism respectively connected to the two diaphragm sheets (3), wherein the two diaphragm sheets (3) are respectively assembled on the corresponding cover (2) and enclose, with the corresponding cover (2), to form a first chamber (21a) and a second chamber (22a); the pump device (500) further comprises a first fluid inlet and a first fluid outlet respectively in communication with the first chamber (21a), and a second fluid inlet and a second fluid outlet respectively in communication with the second chamber (22a); the first fluid inlet and first fluid outlet, and the second fluid inlet and second fluid outlet are respectively provided on the same side of the corresponding cover (2); the first fluid inlet, the first fluid outlet, the second fluid inlet and the second fluid outlet can be in communication with a pipeline (300) of the plant protection unmanned aerial vehicle; and the drive mechanism drives the two diaphragm sheets (3) respectively to approach or move away from the corresponding cover (2), making the size of the first chamber (21a) and the second chamber (22a) change inversely. The pump device (500) is small in volume and low in power consumption.
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Inventors:
ZHOU LE (CN)
WANG JIADI (CN)
WU XIAOLONG (CN)
WANG JIADI (CN)
WU XIAOLONG (CN)
Application Number:
PCT/CN2017/104016
Publication Date:
April 04, 2019
Filing Date:
September 28, 2017
Export Citation:
Assignee:
SZ DJI TECHNOLOGY CO LTD (CN)
International Classes:
F04B45/00; B64D1/18
Foreign References:
| CN104791228A | 2015-07-22 | |||
| CN205044971U | 2016-02-24 | |||
| CN106394906A | 2017-02-15 | |||
| CN102687711A | 2012-09-26 | |||
| CN201184289Y | 2009-01-21 | |||
| US4768714A | 1988-09-06 |
Attorney, Agent or Firm:
BEIJING BESTIPR INTELLECTUAL PROPERTY LAW CORPORATION (CN)
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