Title:
SEAMLESS SEAL PISTON
Document Type and Number:
WIPO Patent Application WO/2021/259116
Kind Code:
A1
Abstract:
A seamless seal piston. A seamless seal ring (2) is provided on the periphery of a piston head intermediate (1), and a separating groove and filling material (3) is provided between the seal ring (2) and the piston head intermediate (1).
Inventors:
LIU JINHONG (CN)
Application Number:
PCT/CN2021/100464
Publication Date:
December 30, 2021
Filing Date:
June 16, 2021
Export Citation:
Assignee:
DONGGUAN HONGDA POWER TECH CO LTD (CN)
International Classes:
F02F3/00; F02F3/02; F02F5/00; F16J9/00; F16J9/20
Foreign References:
| CN111594337A | 2020-08-28 | |||
| CN104929802A | 2015-09-23 | |||
| CN106286002A | 2017-01-04 | |||
| CN210240531U | 2020-04-03 | |||
| CN102116213A | 2011-07-06 | |||
| US5601010A | 1997-02-11 |
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