Dual stage pump having intermittent mid-shift load supports
US8636487B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 26, 2007 |
| Grant date | Jan 28, 2014 |
| Priority date | — |
| Expiry date | Dec 23, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C2240/601
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A hydraulic pump is disclosed. The hydraulic pump may have a first fluid section (12), a second fluid section (14), and an input shaft (16) extending through the first fluid section and the second fluid section. The input shaft may have a first end (44), a second end (46), and a mid-portion (48) located between the first and second ends. The hydraulic pump may also have a first bearing (30) configured to continuously support the first end of the input shaft, and a second bearing (32) configured to continuously support the second end of the input shaft. The hydraulic pump may further have a third bearing (56) configured to intermittently support the mid-portion (58) of the input shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.