A high-speed plunger pump for new energy engineering machinery and a cylinder body thereof
By employing copper plating, stepped silencing chambers, and annular damping grooves in the axial piston pump, the problems of lubrication failure and noise vibration at low speeds are solved, achieving wide speed range and stable operation, thus meeting the electrification needs of engineering machinery.
Patent Information
- Application Number
- CN202610807396.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-06-05
- Publication Date
- 2026-07-17
AI Technical Summary
Existing axial piston pumps suffer from lubrication failure at low speeds, severe noise and vibration, and vibration coupling, making it difficult to meet the wide speed range and stable operation requirements of electrified engineering machinery.
A copper-plated layer is used to form a distribution pair with the distribution plate. Combined with a stepped silencing cavity, annular damping groove and vibration damping ring, the lubrication characteristics are improved and vibration and noise are suppressed through dynamic and static pressure mixed lubrication and damping silencing and noise reduction.
It achieves stable lubrication at low speeds, reduces noise and vibration, adapts to the wide speed range requirements of engineering machinery, and improves operational stability and service life.
Smart Images

Figure CN122407537A_ABST