JPS5754673B2 - - Google Patents
Info
- Publication number
- JPS5754673B2 JPS5754673B2 JP48087202A JP8720273A JPS5754673B2 JP S5754673 B2 JPS5754673 B2 JP S5754673B2 JP 48087202 A JP48087202 A JP 48087202A JP 8720273 A JP8720273 A JP 8720273A JP S5754673 B2 JPS5754673 B2 JP S5754673B2
- 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
- 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
-
- 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
- F04B49/22—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 means of valves
- F04B49/24—Bypassing
-
- 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
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main 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
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20546—Type of pump variable capacity
- F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
-
- 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
- F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
- F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
-
- 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
- F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
- F15B2211/50536—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid 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
- F15B2211/50—Pressure control
- F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
- F15B2211/5151—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source 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
- F15B2211/565—Control of a downstream 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
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/86—Control during or prevention of abnormal conditions
- F15B2211/8606—Control during or prevention of abnormal conditions the abnormal condition being a shock
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7762—Fluid pressure type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7781—With separate connected fluid reactor surface
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Safety Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27891972A | 1972-08-09 | 1972-08-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4952331A JPS4952331A (US06811534-20041102-M00003.png) | 1974-05-21 |
| JPS5754673B2 true JPS5754673B2 (US06811534-20041102-M00003.png) | 1982-11-19 |
Family
ID=23066947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48087202A Expired JPS5754673B2 (US06811534-20041102-M00003.png) | 1972-08-09 | 1973-08-01 |
Country Status (10)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0259258U (US06811534-20041102-M00003.png) * | 1988-10-21 | 1990-04-27 |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3923075A (en) * | 1974-05-16 | 1975-12-02 | Sperry Rand Corp | Power transmission |
| DE4221213A1 (de) * | 1992-06-27 | 1994-01-05 | Rexroth Mannesmann Gmbh | Druckbegrenzungsventil für hydraulische Anlagen |
| DE4225698A1 (de) * | 1992-08-04 | 1994-02-10 | Walter Dipl Ing Schneider | Dämpfungsventil kleinster Bauart |
| US7270145B2 (en) * | 2002-08-30 | 2007-09-18 | Haldex Brake Corporation | unloading/venting valve having integrated therewith a high-pressure protection valve |
| US7163253B2 (en) * | 2003-12-30 | 2007-01-16 | Durakon Industries, Inc. | Method of manufacturing composite vehicle panels |
| US7066710B2 (en) | 2004-05-27 | 2006-06-27 | Honeywell International, Inc. | Pneumatic valve control having improved opening characteristics and an air turbine starter incorporating the same |
| US7147430B2 (en) * | 2004-06-10 | 2006-12-12 | Honeywell International, Inc. | Pneumatic valve control using downstream pressure feedback and an air turbine starter incorporating the same |
| US7757703B2 (en) * | 2006-07-12 | 2010-07-20 | Cameron International Corporation | Device for regulating pressure |
| US9879799B2 (en) | 2015-09-16 | 2018-01-30 | Cameron International Corporation | Pressure regulator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS479648U (US06811534-20041102-M00003.png) * | 1971-03-08 | 1972-10-05 | ||
| JPS4884316A (US06811534-20041102-M00003.png) * | 1972-02-10 | 1973-11-09 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2890715A (en) * | 1955-08-26 | 1959-06-16 | Warner Swasey Co | Multi-pressure relief valve |
| US3101738A (en) * | 1961-04-17 | 1963-08-27 | Cincinnati Milling Machine Co | Combined sequence and check valve |
| AT245891B (de) * | 1963-02-09 | 1966-03-25 | Festo Maschf Stoll G | Bremsvorrichtung zur Regulierung der Vorlaufgeschwindigkeit des Kolbens von pneumatischen Arbeitszylindern |
| US3424061A (en) * | 1965-08-26 | 1969-01-28 | Alan C Brooks | Hydraulic control cylinder and air piston assembly |
| US3444689A (en) * | 1967-02-02 | 1969-05-20 | Weatherhead Co | Differential pressure compensator control |
| GB1176590A (en) * | 1968-08-29 | 1970-01-07 | Amadyne Inc | Improvements in or relating to Cushion Relief Valves |
| US3625246A (en) * | 1969-09-22 | 1971-12-07 | Matrix Corp | Nonbleed high-pressure positioner |
| DE2104362B2 (de) * | 1971-01-30 | 1974-01-31 | Friedrich Dipl.-Ing. 4680 Wanne-Eickel Schwing | Druckbegrenzungsventil zur Einstellung der Druckanstiegsgeschwindigkeit in hydraulischen Anlagen |
-
1972
- 1972-08-09 US US00278919A patent/US3785398A/en not_active Expired - Lifetime
-
1973
- 1973-06-21 AU AU57168/73A patent/AU467489B2/en not_active Expired
- 1973-06-21 CA CA174,609A patent/CA982018A/en not_active Expired
- 1973-06-29 GB GB3102173A patent/GB1434082A/en not_active Expired
- 1973-07-13 IT IT51463/73A patent/IT996087B/it active
- 1973-07-18 DE DE2336512A patent/DE2336512C2/de not_active Expired
- 1973-07-31 FR FR7327972A patent/FR2195763B1/fr not_active Expired
- 1973-08-01 JP JP48087202A patent/JPS5754673B2/ja not_active Expired
- 1973-08-02 SE SE7310643A patent/SE393666B/xx unknown
- 1973-11-29 IN IN2629/CAL/1973A patent/IN140924B/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS479648U (US06811534-20041102-M00003.png) * | 1971-03-08 | 1972-10-05 | ||
| JPS4884316A (US06811534-20041102-M00003.png) * | 1972-02-10 | 1973-11-09 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0259258U (US06811534-20041102-M00003.png) * | 1988-10-21 | 1990-04-27 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA982018A (en) | 1976-01-20 |
| AU5716873A (en) | 1975-01-09 |
| JPS4952331A (US06811534-20041102-M00003.png) | 1974-05-21 |
| IT996087B (it) | 1975-12-10 |
| AU467489B2 (en) | 1975-12-04 |
| DE2336512A1 (de) | 1974-02-28 |
| SE393666B (sv) | 1977-05-16 |
| GB1434082A (en) | 1976-04-28 |
| US3785398A (en) | 1974-01-15 |
| IN140924B (US06811534-20041102-M00003.png) | 1977-01-01 |
| DE2336512C2 (de) | 1985-04-11 |
| FR2195763B1 (US06811534-20041102-M00003.png) | 1977-05-13 |
| FR2195763A1 (US06811534-20041102-M00003.png) | 1974-03-08 |
