FR2268171B1 - - Google Patents
Info
- Publication number
- FR2268171B1 FR2268171B1 FR7413532A FR7413532A FR2268171B1 FR 2268171 B1 FR2268171 B1 FR 2268171B1 FR 7413532 A FR7413532 A FR 7413532A FR 7413532 A FR7413532 A FR 7413532A FR 2268171 B1 FR2268171 B1 FR 2268171B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
- B62B3/06—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment for simply clearing the load from the ground
- B62B3/0618—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment for simply clearing the load from the ground using fluid lifting mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/18—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by changing the effective cross-section of the working surface of the piston
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Forklifts And Lifting Vehicles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7413532A FR2268171A1 (en) | 1974-04-18 | 1974-04-18 | Double pump with high and low delivery - has valve between main and auxiliary pistons opened by change of load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7413532A FR2268171A1 (en) | 1974-04-18 | 1974-04-18 | Double pump with high and low delivery - has valve between main and auxiliary pistons opened by change of load |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2268171A1 FR2268171A1 (en) | 1975-11-14 |
| FR2268171B1 true FR2268171B1 (US08197722-20120612-C00042.png) | 1976-10-08 |
Family
ID=9137796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7413532A Granted FR2268171A1 (en) | 1974-04-18 | 1974-04-18 | Double pump with high and low delivery - has valve between main and auxiliary pistons opened by change of load |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2268171A1 (US08197722-20120612-C00042.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2551336B2 (de) * | 1975-11-15 | 1979-08-30 | Jungheinrich Unternehmensverwaltung Kg, 2000 Hamburg | Hydraulische Hubeinrichtung mit einer Lasthub-Zylinder-Kolbeneinheit |
| CN108317112B (zh) * | 2018-03-21 | 2023-08-04 | 安徽合力股份有限公司 | 一种叉车双联泵转向停车制动解除液压系统 |
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1974
- 1974-04-18 FR FR7413532A patent/FR2268171A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2268171A1 (en) | 1975-11-14 |
