FR2343173A1 - Hydraulic transmission with variable speed reduction - uses two identical machines as pump and motor, each with variable eccentricity rotor for sliding vanes - Google Patents
Hydraulic transmission with variable speed reduction - uses two identical machines as pump and motor, each with variable eccentricity rotor for sliding vanesInfo
- Publication number
- FR2343173A1 FR2343173A1 FR7606615A FR7606615A FR2343173A1 FR 2343173 A1 FR2343173 A1 FR 2343173A1 FR 7606615 A FR7606615 A FR 7606615A FR 7606615 A FR7606615 A FR 7606615A FR 2343173 A1 FR2343173 A1 FR 2343173A1
- Authority
- FR
- France
- Prior art keywords
- pump
- motor
- rotor
- variable
- speed reduction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H43/00—Other fluid gearing, e.g. with oscillating input or output
Abstract
A hydraulic transmission system uses two identical machines. One machine operates as a pump and supplies fluid at pressure to the second machine which operates as a motor. Each machine consists of a cylindrical casing with end cover plates. A rotor of variable eccentricity runs in bearings mounted in the cover plate. The rotor has three sliding vanes (5,6,7) which are kept in contact with the bore of the casing by a central shaft. By varying the eccentricity of the rotor, the volume of fluid flowing through the machine per revolution can be controlled. The ratio of speed reduction between the pump and the motor is thus a function of the eccentricities of the rotors of both machines.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7606615A FR2343173A1 (en) | 1976-03-05 | 1976-03-05 | Hydraulic transmission with variable speed reduction - uses two identical machines as pump and motor, each with variable eccentricity rotor for sliding vanes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7606615A FR2343173A1 (en) | 1976-03-05 | 1976-03-05 | Hydraulic transmission with variable speed reduction - uses two identical machines as pump and motor, each with variable eccentricity rotor for sliding vanes |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2343173A1 true FR2343173A1 (en) | 1977-09-30 |
FR2343173B3 FR2343173B3 (en) | 1980-05-23 |
Family
ID=9170125
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7606615A Granted FR2343173A1 (en) | 1976-03-05 | 1976-03-05 | Hydraulic transmission with variable speed reduction - uses two identical machines as pump and motor, each with variable eccentricity rotor for sliding vanes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2343173A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5042252A (en) * | 1990-02-22 | 1991-08-27 | Unipat Ag | Neutral shifting mechanism for hydrostatic transmission |
-
1976
- 1976-03-05 FR FR7606615A patent/FR2343173A1/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5042252A (en) * | 1990-02-22 | 1991-08-27 | Unipat Ag | Neutral shifting mechanism for hydrostatic transmission |
Also Published As
Publication number | Publication date |
---|---|
FR2343173B3 (en) | 1980-05-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
DR | Decision of the appeal court due to an appeal at law against decisions of the director of the inpi, except decision of lapse |