Hydraulic jet pump
US6685439B1 · kind B1 · utility
Inventors
Key dates
| Filing date | May 15, 2002 |
| Grant date | Feb 3, 2004 |
| Priority date | — |
| Expiry date | May 15, 2022 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/124
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A hydraulic jet pump comprising: a nozzle housing; a nozzle member disposed within said nozzle housing and including an inlet aperture communicating through a jet nozzle with a mixing chamber along a power fluid inlet flow path; a deflector member including an axial bore formed partially therethrough from an input aperture at a first end thereof towards a second end thereof, said input aperture communicating with said mixing chamber, said deflector member further including a plurality of radially-disposed deflector outlet ports communicating with said axial bore and disposed at an acute angle with respect to said input aperture to form a flow path having an output flow direction disposed at an acute angle with respect to an input flow direction from said input aperture, said deflector member further including a plurality of axially-aligned vacuum inlet ports formed therethrough from said first end to said second end and in communication with said mixing chamber but not with said deflector outlet ports.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.