Title:
AN AIR COMPRESSOR, AND A SELF-AIR-INTAKE PISTON
Document Type and Number:
WIPO Patent Application WO/2017/173715
Kind Code:
A1
Abstract:
A self-air-intake piston comprises: a piston connecting rod(11), one end of the piston connecting rod(11) being provided with a drive axle hole(2), another end of the piston connecting rod(11) being provided with a piston head(3), the piston head(3) being formed with an annular groove(31), the annular groove(31) being connected with a bowl-shaped piston sealing member(32). The bowl-shaped piston sealing member(32) is disposed obliquely relative to a central axis of the piston connecting rod(11). The piston head(3) has an air intake therein, and a top of the piston head(3) is provided with a one-way valve plate(34) for opening or closing the air intake. When the piston is pulled back, the piston is pulled until one side of the bowl-shaped piston sealing member(13) disengages from a cylinder for the air to enter the cylinder therefrom. Besides, the air also can enter the cylinder through the air intake. Through the dual-air-intake way, the air inflow of the cylinder is stable so as to get a stable air inflation speed. The self-air-intake piston can be applied to a cylinder. This ensures a stable air inflow for the cylinder to get a stable air inflation speed.
Inventors:
KEN YANG (CN)
Application Number:
PCT/CN2016/083133
Publication Date:
October 12, 2017
Filing Date:
May 24, 2016
Export Citation:
Assignee:
DONGGUAN RICHTEK ELECTRONICS CO LTD (CN)
International Classes:
F04B39/00
Foreign References:
| CN103410704A | 2013-11-27 | |||
| CN203453007U | 2014-02-26 | |||
| CN101737296A | 2010-06-16 | |||
| CN102619727A | 2012-08-01 | |||
| US6280163B1 | 2001-08-28 | |||
| US20030017067A1 | 2003-01-23 |
Attorney, Agent or Firm:
DONG GUAN HUA NAN PATENT &TRADEMARK OFFICE CO., LTD (CN)
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