US 12,473,872 B2
Combined sealing piece, volumetric machine and wide fuel engine
Zhiqiang Ding, Guangdong (CN); and Junhao Ding, Guangdong (CN)
Appl. No. 18/842,094
Filed by Zhiqiang Ding, Guangdong (CN); and Junhao Ding, Guangdong (CN)
PCT Filed Feb. 28, 2023, PCT No. PCT/CN2023/078671
§ 371(c)(1), (2) Date Aug. 28, 2024,
PCT Pub. No. WO2023/169254, PCT Pub. Date Sep. 14, 2023.
Claims priority of application No. 202210225328.8 (CN), filed on Mar. 9, 2022.
Prior Publication US 2025/0198363 A1, Jun. 19, 2025
Int. Cl. F02F 11/00 (2006.01); F01C 19/00 (2006.01); F01C 19/02 (2006.01); F01C 19/08 (2006.01); F02B 53/00 (2006.01); F02B 53/10 (2006.01); F02B 55/02 (2006.01); F02B 55/10 (2006.01)
CPC F02F 11/007 (2013.01) [F01C 19/005 (2013.01); F01C 19/025 (2013.01); F01C 19/08 (2013.01); F02B 53/10 (2013.01); F02B 55/02 (2013.01); F02B 55/10 (2013.01); F02B 2053/005 (2013.01)] 40 Claims
OG exemplary drawing
 
1. A combined sealing piece, comprising a slider with a main sealing piece, wherein the combined sealing piece further comprises at least one auxiliary sealing piece, a first auxiliary sealing piece of the at least one auxiliary sealing piece is backed against the slider or leans against the main sealing piece and the slider at the same time, an elastic member is disposed between the first auxiliary sealing piece and the main sealing piece, and the elastic member is disposed between the first auxiliary sealing piece and the slider.