With the rotary lobe pump in a cylinder ring space circumferential foerderkolben and a control piston

• 1. 旋转活塞泵、用于固定旋转活塞泵的旋转活塞的方法和用于拆卸旋转活塞泵的旋转活塞的方法 [P] . 中国专利： CN107002669A . 2017-08-01
• 2. 活塞单环及含有该活塞单环的汽油发动机活塞、气缸 [P] . 中国专利： CN205977448U . 2017.02.22
• 3. Device for keeping of the leakage losses at with rotary lobe pumps, in an annular space surrounding, foerderkolben [P] . 德国专利： DE708185C . 1941-07-14

  机译： 用于在旋转叶轮泵周围的环形空间中保持泄漏的装置，foerderkolben

• 4. With the rotary lobe pump piston that is displaceable in the circumferential plunger barrel [P] . 德国专利： DE605006C . 1934-11-02

  机译： 通过旋转活塞泵活塞，该活塞可在周向柱塞筒中移动

• 5. With the rotary lobe pump piston that is displaceable in the circumferential cabinet or box [P] . 德国专利： DE430454C . 1926-06-17

  机译： 旋转活塞泵活塞可在外围机柜或盒子中移动

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• 3. A prospective randomised controlled trial of femoral ring allograft versus a titanium cage in circumferential lumbar spinal fusion with minimum 2-year clinical results [O] . Patrick J. McKenna, Brian J. C. Freeman, Robert C. Mulholland, 2005
• 4. The Piston Ring-Cylinder Bore Interface Leakage of Bent-Axis Piston Pumps Based on Elastohydrodynamic Lubrication and Rotation Speed [O] . Lvjun Qing, Lichen Gu, Yan Wang, 2021
• 5. Effect of oil flow to piston on piston-ring sticking and oil consumption in a single-cylinder engine [R] . Meigs, John B 1945

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• 2. Analysis of Oil Consumption in Cylinder of Diesel Engine for Optimization of Piston Rings [J] . ZHANG Junhong ,ZHANG Guichang ,HE Zhenpeng . 中国机械工程学报 . 2013,第001期
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• 6. 活塞-活塞环-气缸套摩擦副的摩擦磨损及其对策 [C] . 任雪峰 ,张付军 ,黄千 . 第十四届全国大功率柴油机学术年会 . 2005
• 7. 对置活塞对置气缸发动机缸套-活塞环油膜厚度测量及润滑状态分析 [A] . 孙靖宇 . 2017