Dual pump transmission
US7566207B1 · kind B1 · utility
2Cited by
74References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2007 |
| Grant date | Jul 28, 2009 |
| Priority date | — |
| Expiry date | Jun 19, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B23/106
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A dual pump apparatus for use on a vehicle or industrial application and having a pair of hydraulic pumps that are disposed in separate chambers within a housing. A pair of input shafts are disposed within the housing to drive the respective hydraulic pumps and one of the input shafts engages a prime mover. A charge pump may be mounted on an end cap, and trunnion arms for controlling the hydraulic pumps may extend out of opposite sides of the housing. An auxiliary pump may also be mounted on one of the input shafts and may be located either at the input end thereof or on the opposite side of the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.