IT7825076A0 - Combinazione di motore idraulico azionatore di valvole. - Google Patents
Combinazione di motore idraulico azionatore di valvole.Info
- Publication number
- IT7825076A0 IT7825076A0 IT7825076A IT2507678A IT7825076A0 IT 7825076 A0 IT7825076 A0 IT 7825076A0 IT 7825076 A IT7825076 A IT 7825076A IT 2507678 A IT2507678 A IT 2507678A IT 7825076 A0 IT7825076 A0 IT 7825076A0
- Authority
- IT
- Italy
- Prior art keywords
- combination
- hydraulic motor
- valve actuator
- motor valve
- actuator
- Prior art date
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
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
-
- 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
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20507—Type of prime mover
-
- 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
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
-
- 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
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
- F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
-
- 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
- F15B2211/30—Directional control
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3122—Special positions other than the pump port being connected to working ports or the working ports being connected to the return line
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/605—Load sensing circuits
- F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
- F15B2211/6054—Load sensing circuits having valve means between output member and the load sensing circuit using shuttle valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Details Of Reciprocating Pumps (AREA)
- Reciprocating Pumps (AREA)
- Fluid-Driven Valves (AREA)
- Pipeline Systems (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/812,140 US4102128A (en) | 1977-07-01 | 1977-07-01 | Hand pump system for hydraulic motor |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7825076A0 true IT7825076A0 (it) | 1978-06-28 |
IT1097130B IT1097130B (it) | 1985-08-26 |
Family
ID=25208634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT25076/78A IT1097130B (it) | 1977-07-01 | 1978-06-28 | Combinazione di motore idraulico azionatore di valvole |
Country Status (10)
Country | Link |
---|---|
US (1) | US4102128A (it) |
JP (1) | JPS5414006A (it) |
AU (1) | AU514647B2 (it) |
CA (1) | CA1077803A (it) |
DE (1) | DE2818223A1 (it) |
FR (1) | FR2396159A1 (it) |
GB (1) | GB1583420A (it) |
IT (1) | IT1097130B (it) |
MX (1) | MX146360A (it) |
NL (1) | NL189150C (it) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5831482B2 (ja) * | 1978-04-03 | 1983-07-06 | 株式会社神戸製鋼所 | 油圧アクチユエ−タにおけるガス圧↓−油圧変換回路 |
US4621496A (en) * | 1984-04-19 | 1986-11-11 | Teledyne Industries, Inc. | Actuator control system |
AT399130B (de) * | 1992-03-18 | 1995-03-27 | Hoerbiger Fluidtechnik Gmbh | Anordnung zur hydraulischen betätigung eines fahrzeugverdeckes |
US5577532A (en) * | 1994-07-11 | 1996-11-26 | Palmer; Thomas W. | Valve actuator |
DE20021297U1 (de) | 2000-12-15 | 2001-03-08 | Rötelmann GmbH, 58791 Werdohl | Speicher-Anschlußblock |
US6929237B2 (en) * | 2002-06-04 | 2005-08-16 | Flo-Tork, Inc. | Valve actuation system and methods for pipeline valves |
US7011051B2 (en) * | 2003-08-08 | 2006-03-14 | Grigoriy Epshteyn | Hybrid two cycle engine, compressor and pump, and method of operation |
DE602006011718D1 (de) * | 2006-05-25 | 2010-03-04 | Bosch Rexroth Oil Control S A | Handpumpe für hydraulische Leitungen |
CN103807233A (zh) * | 2014-01-24 | 2014-05-21 | 大连液压件有限公司 | 高低压手动动力源 |
CN104329567B (zh) * | 2014-10-29 | 2017-02-15 | 刘复合 | 长输管道泄压*** |
DK178959B1 (en) * | 2015-09-07 | 2017-07-03 | Thor-Lem As | Double acting hydraulic actuator |
GB2586412B (en) * | 2018-05-23 | 2022-08-03 | Halliburton Energy Services Inc | Dual line hydraulic control system to operate multiple downhole valves |
US11187060B2 (en) | 2018-05-23 | 2021-11-30 | Halliburton Energy Services, Inc. | Hydraulic control system for index downhole valves |
CN108691738A (zh) * | 2018-08-21 | 2018-10-23 | 许尚志 | 复合型双向手动液压泵 |
CN109630372B (zh) * | 2019-01-31 | 2024-01-19 | 浙江易普液压设备有限公司 | 一种新型超高压先导型液压手动泵 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2791093A (en) * | 1954-06-14 | 1957-05-07 | Shafer Valve Co | Hand pump and power system for hydraulic motor |
US3089430A (en) * | 1958-08-07 | 1963-05-14 | Shafer Valve Co | Safety shut-off for piston pump and valve unit |
US3911678A (en) * | 1974-11-07 | 1975-10-14 | Shafer Valve Co | Safety shut-off for pump |
-
1977
- 1977-07-01 US US05/812,140 patent/US4102128A/en not_active Expired - Lifetime
-
1978
- 1978-03-30 CA CA300,118A patent/CA1077803A/en not_active Expired
- 1978-04-17 NL NLAANVRAGE7804083,A patent/NL189150C/xx not_active IP Right Cessation
- 1978-04-26 DE DE19782818223 patent/DE2818223A1/de active Granted
- 1978-05-24 GB GB22203/78A patent/GB1583420A/en not_active Expired
- 1978-05-31 AU AU36748/78A patent/AU514647B2/en not_active Expired
- 1978-06-05 FR FR7816694A patent/FR2396159A1/fr active Granted
- 1978-06-20 JP JP7381478A patent/JPS5414006A/ja active Granted
- 1978-06-28 IT IT25076/78A patent/IT1097130B/it active
- 1978-06-30 MX MX174005A patent/MX146360A/es unknown
Also Published As
Publication number | Publication date |
---|---|
JPS6256352B2 (it) | 1987-11-25 |
CA1077803A (en) | 1980-05-20 |
GB1583420A (en) | 1981-01-28 |
NL7804083A (nl) | 1979-01-03 |
NL189150C (nl) | 1993-01-18 |
AU3674878A (en) | 1979-12-06 |
MX146360A (es) | 1982-06-16 |
AU514647B2 (en) | 1981-02-19 |
DE2818223C2 (it) | 1989-12-21 |
FR2396159B1 (it) | 1982-11-05 |
US4102128A (en) | 1978-07-25 |
JPS5414006A (en) | 1979-02-01 |
IT1097130B (it) | 1985-08-26 |
NL189150B (nl) | 1992-08-17 |
FR2396159A1 (fr) | 1979-01-26 |
DE2818223A1 (de) | 1979-02-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19940629 |