Piston pump and piston motor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11661928
APP PUB NO 20210180576A1
SERIAL NO

17263184

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A piston pump and a piston motor are provided. The piston pump includes a cylinder body, a piston, a main shaft, an end cover, and an oil dispensing mechanism. The oil dispensing mechanism includes an oil suction mechanism and an oil discharging mechanism. A roller is mounted on the piston, and the roller is rotatablely connected to the piston. A driving wheel is arranged on the main shaft, and the driving wheel is mounted in cooperation with the main shaft or is integrally formed with the main shaft. A driving groove is formed on the driving wheel, and a roller-path surface of the driving groove is a curved surface. The size of the driving groove is adapted to the size of an outer circle of the roller. The main shaft rotates to drive the driving wheel to rotate to further drive the piston to move along the cylinder bore.

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First Claim

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Patent Owner(s)

  • QINGDAO ACME INNOVATION TECHNOLOGY CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Zhu, Dewei Qingdao, CN 13 5

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