FR2270456B3 - - Google Patents
Info
- Publication number
- FR2270456B3 FR2270456B3 FR7514201A FR7514201A FR2270456B3 FR 2270456 B3 FR2270456 B3 FR 2270456B3 FR 7514201 A FR7514201 A FR 7514201A FR 7514201 A FR7514201 A FR 7514201A FR 2270456 B3 FR2270456 B3 FR 2270456B3
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J10/00—Engine or like cylinders; Features of hollow, e.g. cylindrical, bodies in general
- F16J10/02—Cylinders designed to receive moving pistons or plungers
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J12/00—Pressure vessels in general
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0272—Construction of housing; Use of materials therefor of lift valves valves provided with a lining
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Reciprocating Pumps (AREA)
- Actuator (AREA)
- Hydraulic Motors (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1974974A GB1464434A (en) | 1974-05-06 | 1974-05-06 | Assemblies which comprise slidable pistons/spools |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2270456A1 FR2270456A1 (US06623731-20030923-C00012.png) | 1975-12-05 |
| FR2270456B3 true FR2270456B3 (US06623731-20030923-C00012.png) | 1978-11-17 |
Family
ID=10134568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7514201A Expired FR2270456B3 (US06623731-20030923-C00012.png) | 1974-05-06 | 1975-05-06 |
Country Status (11)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2557931B1 (fr) * | 1984-01-06 | 1988-10-14 | Benhaim Albert | Dispositif et son procede pour la lubrification et le refroidissement pour les chemises et pistons equipant des pompes a pistons pour fluides |
| CN103148047B (zh) * | 2013-03-21 | 2016-03-02 | 肖志权 | 一种内反馈数字伺服液压缸 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1245643A (en) * | 1916-08-02 | 1917-11-06 | Gen Electric | Air-compressor. |
| US2282502A (en) * | 1941-01-31 | 1942-05-12 | Suth Jack | Pump liner |
| US2282254A (en) * | 1941-07-08 | 1942-05-05 | Oil Well Supply Co | Securing means for pump liners |
| US2345370A (en) * | 1942-05-11 | 1944-03-28 | Emsco Derrick & Equip Co | Replaceable liner construction for mud pumps |
| US2981575A (en) * | 1959-04-24 | 1961-04-25 | Southwest Oilfield Products In | Reciprocating pump cylinder head and liner retainer |
| CH476919A (de) * | 1967-06-07 | 1969-08-15 | Burckhardt Ag Maschf | Zylinderanordnung für Hochdruck-Kompressoren und -Pumpen |
-
1974
- 1974-05-06 GB GB1974974A patent/GB1464434A/en not_active Expired
-
1975
- 1975-04-28 ZA ZA00752726A patent/ZA752726B/xx unknown
- 1975-04-29 SE SE7505014A patent/SE7505014L/xx unknown
- 1975-04-30 US US05/573,047 patent/US4012995A/en not_active Expired - Lifetime
- 1975-05-02 NL NL7505216A patent/NL7505216A/xx unknown
- 1975-05-03 JP JP50053814A patent/JPS50152167A/ja active Pending
- 1975-05-05 BE BE156056A patent/BE828728A/xx unknown
- 1975-05-06 IT IT23028/75A patent/IT1037866B/it active
- 1975-05-06 DE DE19752520140 patent/DE2520140A1/de active Pending
- 1975-05-06 CA CA226,372A patent/CA1018845A/en not_active Expired
- 1975-05-06 FR FR7514201A patent/FR2270456B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7505216A (nl) | 1975-11-10 |
| CA1018845A (en) | 1977-10-11 |
| IT1037866B (it) | 1979-11-20 |
| FR2270456A1 (US06623731-20030923-C00012.png) | 1975-12-05 |
| SE7505014L (sv) | 1975-11-07 |
| DE2520140A1 (de) | 1975-11-27 |
| US4012995A (en) | 1977-03-22 |
| GB1464434A (en) | 1977-02-16 |
| BE828728A (fr) | 1975-09-01 |
| ZA752726B (en) | 1976-04-28 |
| JPS50152167A (US06623731-20030923-C00012.png) | 1975-12-06 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |