JPS57129959A - Oil hydraulic circuit driven by inertial mass - Google Patents
Oil hydraulic circuit driven by inertial massInfo
- Publication number
- JPS57129959A JPS57129959A JP1374081A JP1374081A JPS57129959A JP S57129959 A JPS57129959 A JP S57129959A JP 1374081 A JP1374081 A JP 1374081A JP 1374081 A JP1374081 A JP 1374081A JP S57129959 A JPS57129959 A JP S57129959A
- Authority
- JP
- Japan
- Prior art keywords
- cam
- displacement
- set pressure
- oil hydraulic
- inertial mass
- 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.)
- Pending
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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Fluid Gearings (AREA)
Abstract
PURPOSE:To smoothly start and stop inertial mass, by switching a cutoff valve so as to be a low value of selectively set pressure when the displacement of a variable displacement oil hydraulic pump is detected in a prescribed range approximate to zero. CONSTITUTION:When the displacement of a variable delivery pump 3 is 0, a cam follower 28 is located in the central part of a hollowed part 29 in a cam 29, accordingly the cam 27 is placed in an upper position to lift a sleeve 25 of a cut off valve 24, then selective set pressure is a lower value than a normal level. When the displacement of the variable delivery pump 3 is in a prescribed range approximate to 0, the cam follower 28 is laterally moved along a slope of the hollowed part 29 in the cam 27 in accordance with increase of the displacement to depress the cam 27, then the sleeve 25 of the cut off valve 24 is lowered, thus the selective set pressure is linearly increased to become the normal value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1374081A JPS57129959A (en) | 1981-02-03 | 1981-02-03 | Oil hydraulic circuit driven by inertial mass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1374081A JPS57129959A (en) | 1981-02-03 | 1981-02-03 | Oil hydraulic circuit driven by inertial mass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57129959A true JPS57129959A (en) | 1982-08-12 |
Family
ID=11841655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1374081A Pending JPS57129959A (en) | 1981-02-03 | 1981-02-03 | Oil hydraulic circuit driven by inertial mass |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57129959A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5916138A (en) * | 1996-11-06 | 1999-06-29 | Sms Schloemann-Siemag Aktiengesellschaft | Hydrostatic transmission |
| WO2011027760A1 (en) * | 2009-09-03 | 2011-03-10 | 株式会社小松製作所 | Work vehicle |
-
1981
- 1981-02-03 JP JP1374081A patent/JPS57129959A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5916138A (en) * | 1996-11-06 | 1999-06-29 | Sms Schloemann-Siemag Aktiengesellschaft | Hydrostatic transmission |
| WO2011027760A1 (en) * | 2009-09-03 | 2011-03-10 | 株式会社小松製作所 | Work vehicle |
| JP2011052794A (en) * | 2009-09-03 | 2011-03-17 | Komatsu Ltd | Work vehicle |
| US8342284B2 (en) | 2009-09-03 | 2013-01-01 | Komatsu Ltd. | Work vehicle |
| DE112010003533B4 (en) * | 2009-09-03 | 2013-02-21 | Komatsu Ltd. | working vehicle |
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