Hydrostatic transmission with fixed fluid capacity ratio between pump and motor
US4627237A · kind A · utility
99Cited by
7References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 30, 1984 |
| Grant date | Dec 9, 1986 |
| Priority date | — |
| Expiry date | Mar 30, 2004 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H39/04
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present invention is directed to a compact, lightweight and inexpensive hydrostatic transmission which in the preferred form has a variable displacement and reversible pump placed in side-by-side relationship with a fluid motor and wherein the transmission has a multisection housing with a uniform width center section forming both the pump chamber and the motor chamber. The fluid capacity of the pump and the fluid capacity of the motor are proportional to their widths and the ratio of the fluid capacity remains constant as various width center sections are used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.