Piston pump group for brake system and control method therefor
US12263818B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2020 |
| Grant date | Apr 1, 2025 |
| Priority date | — |
| Expiry date | Oct 14, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2025/2087
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A piston pump group for a brake system and a control method thereof are provided, and the piston pump group includes: a piston, a pump body provided with an operating chamber, and a transmission mechanism used for driving the piston to move in the operating chamber, where the transmission mechanism includes a lead screw transmission assembly, a follower, and a planetary gear assembly used for transmitting power to the lead screw transmission assembly, the follower is fixedly connected to the piston, the lead screw transmission assembly is used for driving the follower to move relative to the operating chamber, and a limiting member used for limiting the movement of the follower is disposed between the lead screw transmission assembly and the follower.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.