JPS5618810B2 - - Google Patents
Info
- Publication number
- JPS5618810B2 JPS5618810B2 JP3513174A JP3513174A JPS5618810B2 JP S5618810 B2 JPS5618810 B2 JP S5618810B2 JP 3513174 A JP3513174 A JP 3513174A JP 3513174 A JP3513174 A JP 3513174A JP S5618810 B2 JPS5618810 B2 JP S5618810B2
- Authority
- JP
- Japan
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/22—Hydraulic devices or systems
-
- 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
- F15B15/1433—End caps
-
- 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
- F15B15/1447—Pistons; Piston to piston rod assemblies
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50563—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
- F15B2211/5153—Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a directional control valve
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/52—Pressure control characterised by the type of actuation
- F15B2211/528—Pressure control characterised by the type of actuation actuated by fluid pressure
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/57—Control of a differential pressure
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/575—Pilot pressure control
- F15B2211/5753—Pilot pressure control for closing a valve
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7053—Double-acting output members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Combustion & Propulsion (AREA)
- Civil Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Fluid-Pressure Circuits (AREA)
- Actuator (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US345826A US3898915A (en) | 1973-03-28 | 1973-03-28 | Piston cylinder assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5025983A JPS5025983A (cg-RX-API-DMAC7.html) | 1975-03-18 |
| JPS5618810B2 true JPS5618810B2 (cg-RX-API-DMAC7.html) | 1981-05-01 |
Family
ID=23356653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3513174A Expired JPS5618810B2 (cg-RX-API-DMAC7.html) | 1973-03-28 | 1974-03-28 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3898915A (cg-RX-API-DMAC7.html) |
| JP (1) | JPS5618810B2 (cg-RX-API-DMAC7.html) |
| DE (1) | DE2414873A1 (cg-RX-API-DMAC7.html) |
| FR (2) | FR2223578B1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1404117A (cg-RX-API-DMAC7.html) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3616234A1 (de) * | 1986-05-14 | 1987-11-19 | Bayerische Motoren Werke Ag | Vorrichtung zur relativen drehlagenaenderung zweier in antriebsverbindung stehender wellen, insbesondere zwischen in einem maschinengehaeuse einer brennkraftmaschine gelagerten kurbelwelle und nockenwelle |
| GB8818518D0 (en) * | 1988-08-04 | 1988-09-07 | Robinson L K | Improvements in/relating to ram units in transmission of toroidal race rolling traction type |
| SE509901C2 (sv) * | 1994-06-15 | 1999-03-22 | Multidoc Hydraulic Ab | Hydraulisk kolvcylinder |
| DE102004003653A1 (de) * | 2004-01-24 | 2005-08-18 | Bosch Rexroth Teknik Ab | Dämpfungselement, Dämpfungsanordnung und Druckmittelzylinder |
| JP5429830B2 (ja) * | 2012-03-26 | 2014-02-26 | 株式会社伊丹精機 | リフトシリンダ及びそれを備えたフォークリフト |
| US9194491B2 (en) * | 2012-10-09 | 2015-11-24 | Hamilton Sundstrand Corporation | Multi-part piston |
| JP2020143738A (ja) * | 2019-03-06 | 2020-09-10 | 株式会社ショーワ | ピストン構造体及び船舶用推進装置の昇降装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2321079A (en) * | 1940-01-30 | 1943-06-08 | Harold A Greenwald | Hydraulic door operator |
| US2319608A (en) * | 1941-11-07 | 1943-05-18 | Southwestern Eng Co | Fluid motor |
| US2556698A (en) * | 1945-02-05 | 1951-06-12 | G F Goodson | Piston construction |
| US2642845A (en) * | 1950-12-20 | 1953-06-23 | Westinghouse Air Brake Co | Piston cushioning apparatus |
| US2984529A (en) * | 1959-01-26 | 1961-05-16 | Baldwin Rubber Co | Unitary sealed piston |
| US3072108A (en) * | 1961-10-02 | 1963-01-08 | Bendix Corp | Multi-position vacuum motor |
| US3143933A (en) * | 1962-12-03 | 1964-08-11 | Norton Engineering Inc | Cylinder and sealing ring combination |
| US3329068A (en) * | 1966-04-15 | 1967-07-04 | Signode Corp | Pneumatic piston return system for impact tools |
-
1973
- 1973-03-28 US US345826A patent/US3898915A/en not_active Expired - Lifetime
-
1974
- 1974-03-19 FR FR7409193A patent/FR2223578B1/fr not_active Expired
- 1974-03-19 FR FR7409192A patent/FR2223579B1/fr not_active Expired
- 1974-03-26 GB GB1346074A patent/GB1404117A/en not_active Expired
- 1974-03-27 DE DE2414873A patent/DE2414873A1/de active Pending
- 1974-03-28 JP JP3513174A patent/JPS5618810B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2414873A1 (de) | 1974-10-10 |
| GB1404117A (en) | 1975-08-28 |
| FR2223579A1 (cg-RX-API-DMAC7.html) | 1974-10-25 |
| JPS5025983A (cg-RX-API-DMAC7.html) | 1975-03-18 |
| FR2223579B1 (cg-RX-API-DMAC7.html) | 1979-09-28 |
| FR2223578A1 (cg-RX-API-DMAC7.html) | 1974-10-25 |
| US3898915A (en) | 1975-08-12 |
| FR2223578B1 (cg-RX-API-DMAC7.html) | 1978-01-13 |