Transverse internal gear pump
US10221851B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2015 |
| Grant date | Mar 5, 2019 |
| Priority date | — |
| Expiry date | Apr 6, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05C2225/00
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A transverse internal gear pump 1 having a trochoid 4, in which an inner rotor 3 having a plurality of outer teeth is rotatably accommodated within an outer rotor 2 having a plurality of inner teeth, the inner rotor being rotatably accommodated within the outer rotor in an eccentric state and with the outer teeth and the inner teeth meshing, and in which an intake-side volume chamber for taking in a liquid and an ejection-side volume chamber for ejecting liquid taken into the intake-side volume chamber are formed between the inner teeth and the outer teeth; a liquid intake nozzle 9 extending in a non-perpendicular direction with respect to the trochoid rotation surfaces and having a distal end immersed in a liquid reservoir 18; a pump casing 5 in which a recessed portion 5a for accommodating the trochoid is formed; and a pump cover 6.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.