Hydraulic piston pump with throttle control
US9062665B2 · kind B2 · utility
1Cited by
22References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 15, 2013 |
| Grant date | Jun 23, 2015 |
| Priority date | — |
| Expiry date | Sep 5, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B49/03
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A pump system has a piston pump. The piston pump has a cylinder block with an inlet port, an outlet port, and a plurality of cylinders. Each cylinder in the plurality of cylinders is connected to the inlet port by an inlet passage and to the outlet port by an outlet passage. The piston pump has a plurality of pistons disposed in the plurality of cylinders. A drive shaft drives the pistons within the cylinders. A throttle member independently throttles flow in each inlet passage. The pump system has an electrohydraulic actuator governing movement of the throttle member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.